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Optima MR450w Preinstallation Manual

1. 138 4 2 Purpose of Test 88 138 4 3 Reference 138 4 4 Test Set Up for RF Shielded Room sss 138 4 5 Shielding Effectiveness SE re rt rite nan aer ket ur ERI RR RE Rue 139 4 6 Reference Level and Dynamic 139 4 7 Test Equipmiehl tte ette 139 4 6 S t 140 4 9 Measurement Procedure rtr tek Ra eee et tne 140 4 9 1 Shielding Effectiveness 140 4 9 2 Reference Level 1 21 1241 eene tnter 141 4 9 3 Attenuated Level 22 224 4411 4 142 4 9 4 Shielding Effectiveness calculation eene 143 Table of Contents 17 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 10 RF Screen Room Ground Isolation Resistance Measurement Guideline 144 4 11 Data Recording Test Report uai ee een et easel 144 5 Acoustic Background and Design 146
2. servisno uputstvo je dostupno samo engleskom jeziku Ako klijentov serviser zahteva neki drugi jezik klijent je duzan da obezbedi prevodi la ke usluge Ne poku avajte da opravite ure aj ako niste pro itali i razumeli ovo servisno uputstvo Zanemarivanje ovog upozorenja mo e dovesti do povre ivanja servisera rukovaoca ili pacijenta usled strujnog udara ili mehani kih i drugih opasnosti Tento n vod na obsluhu je k dispoz cii len v angli tine Ak z kazn kov poskytovatel slu ieb vy aduje in jazyk ako angli tinu poskytnutie prekladatelsk ch slu ieb je zodpovednos ou z kazn ka Nepok ajte sa o obsluhu zariadenia k m si nepre tate n vod na obluhu a neporo zumiete mu Zanedbanie tohto upozornenia m e sp sobi zranenie poskytovate a slu ieb obslu huj cej osoby alebo pacienta elektrick m pr dom mechanick alebo in ohrozenie Este manual de servicio s lo existe en ingl s Si el encargado de mantenimiento de un cliente necesita un idioma que no sea el ingl s el cliente deber encargarse de la traducci n del manual No se deber dar servicio t cnico al equipo sin haber consultado y comprendido este manual de servicio La no observancia del presente aviso puede dar lugar a que el proveedor de servicios el operador o el paciente sufran lesiones provocadas por causas el ctricas mec ni cas o de otra naturaleza Important
3. Eye t ntn cod 40 9 1 Temperature and Humidity Requirements essen 40 9 2 Equipment Heat Output 40 Table of Contents 13 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 10 Facility Coolant See EH ated iot et eset ct aset Geant 42 10 1 Heat Exchanger Cabinet HEC Coolant 42 10 2 Emergency Facility Coolant 45 11 MR Suite Electrical Requirements esses 47 12 MR System Shipping Recelvirig siii Pt ee eot e poete eso REG 50 12 1 Receiving Requirermerits onec etude epa 50 12 2 Facility Delivery Route 2 1 1 21 2 2 1 1 1 4 4 nennen inn 50 12 3 MR System Component Shipping 50 Chapter 3 MAGNET RO OM eee as tiene EHE neus 53 1 Magnet Room Introductiori uoce Fato ke 53 2 Magnet Room Structural 54 2 1 OSE VOW at cU Salis Mer 54 2 2 Environmental Steel Limits
4. PPS 76 9 6 20 1 76 8 7 Vent Requirements Outside the Magnet 76 8 7 1 Vent SUpport o n e p a e hg ri 76 8 7 2 Vent COnstt Gs Mee t 77 Nent 71 9 Magnet Room Electrical and Grounding 81 9 1 Electrical Line and Filter 81 9 2 Erghitifig Requiere tss eoe 81 9 3 Grounding FR SGU SITS o oc us ee a ebd 81 Ghapter4 EQUIPMENT 83 1 Equipment Room nne nnne nnn nne 83 2 Main Disconnect Panel MDP Specifications ecce 84 3 Power Gradient RF Cabinet PGR 1 1 12 1 44000000 0 300000000000 85 4 Heat Exchanger Cabinet HEC 1 2 404 42 86 Table of Contents 15 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 Penet
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8. 114 2 4 Equipment Room 115 3 MR System Cable SpeoificatlOris einer nni ore RE PH ERR RR ERU RERUM ser rupe 116 4 Facility Supplied System Interconnects 125 Ghapter 7 APPENDIGIES 5 eret ts octo gere Hand 127 EERE 127 2 MR Site Vibration Test 5 130 2 1 Test Port bt E erbe 130 2 2 Equipment Spectral Analyzer 130 2 3 Collection me n 131 2 3 1 Ambient Baseline 22 222 2 4 11 44144411 1 000 131 2 3 2 Normal eee 131 2 4 Presentation Interpretation of 6 131 3 RF Shielding REX Hu Hx 137 3 1 Discrete Interfererice e denny Ene IRAE ED 137 3 2 Broadband 137 4 RF Shielded Enclosure Test Guidelines 138
9. 54 2 3 Vibration 6 5 82 55 3 Magnetic Shielded Room 57 4 Acoustic Room aa 58 5 RF Shielded Room 41 4401 60000 59 5 1 Noise 2 POM Eu Ru Lune 59 5 2 Ambient Radio Frequency Interference RFI 60 5 3 Customer 61 54 Requirements persi cts ten dete etu de ve WEE RR ER 61 5 4 1 RF Shield 5 nennen nennen nennen 61 5 4 2 Magnet Mounting 12 22 12221 41 2 220 62 5 4 3 Dock Anchor Mounting 63 5 4 4 RF Shielding Integrity Reliability Requirement 5 64 6 Finished Room 1 0 000000000000 65 AWallS ack HC E Od M 65 6 2 Doors and Magnet Access Openings eerie rte Fer eap get EUR 65 6 3 Finished 66 6 4 Magn
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11. eter ule hioc brc 100 Ved Host eT 100 TA Host inse mE 101 1 5 Pneumatic Patient Alert eire ha Io FUHR e RR 101 2 Oxygen Monitor OXY 103 2 1 Oxygen Monitor OXY 2 00 11 nennen nenne nce denne 103 2 2 Oxygen bU p YI Ee c Fede modus ten dava i Bets 105 Chapter 6 MR SYSTEM nennen 107 1 MR System Interconnects SpecifIGatlonis ta Cot pr bo eed de afe Fete pep pe tet i e ge c 107 1 1 Component Designator DerTinitlOris coe 107 1 2 Usable Cable Lerigllis etr tto ne UR ER a aep 108 1 3 Brainwave lt lt 109 1 4 Magnetic Resonance Elastography MRE 109 2 MR System Interconnects Routing Requirements sss 110 2 1 General 110 2 2 Magnet Room Requirements tte Rte p ipae nale beer utere ei done 112 16 Table of Contents Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 3 Penetration Panel Closet
12. 5 sec age variations on power supply input lines IEC 61000 4 11 Power Frequency 50 60Hz magnetic 3 3 field 61000 4 8 Conducted RF IEC 610004 3 Vrms 150 KHz to 80 MHz Radiated RF IEC 6100 43 3 Vim 80 MHz to 25 GHz 4 IEC EMC Compliance Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 MR System Seismic Requirements Contact the Project Manager of Installation with any questions 1 The customer is responsible for seismic anchoring of GE components 2 Center of gravity weight physical dimensions and attachment points are provided for seismic calculations Refer to the specifications or illustrations for each component Chapter 2 General System Level 27 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 6 MR Suite Acoustic Specifications 6 1 Acoustic Specifications The following table lists the acoustic output of GE Healthcare equipment Table 2 4 Acoustic Specifications Equipment Room 80 dBA The 80 dBA level is for GE equipment only The Equipment room acoustic level must not exceed 85 dBA Magnet Room See Chapter 3 Acoustic Room Specifications Refer to Chapter 7 Acoustic Background and Design Guidelines NOTE All GE equipment acoustic output values are for base equipment configuration in each room 6 2 Structureborne Vibration Control Specifications Structureborne acoustic issues tend to occur at MR
13. Ground Ground Bus Bar Neutral Bus Bar Power PGR Cabinet Terminal Ground Bus Bar Neutral UV Trip Additional customer supplied cable if needed Facility Circuit Power Distribution Breaker Unit PDU Run E0009 Cryocooler Compressor Cabinet Emergency Off HEC Cabinet DC Safety Circuit with Battery Backup 120VAC i Auto Restart Module Equipment Room Chapter 2 General System Level 49 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 12 MR System Shipping and Receiving NOTICE All shipping dimensions and weights are approximate and may vary based on ship to location required rigging or other requirements Some shipping or access routes may have requirements in addition to those listed in this section Contact the GE Healthcare Project Manager of Installation PMI to verify magnet shipping rigging and access 12 1 Receiving Requirements 1 The customer must provide an area for unloading system components from the truck and delivering to the MR suite NOTE Contact the GE Healthcare Project Manager of Installation PMI for a list of experienced rigging companies 2 The customer is responsible for ensuring a Allfloors along the route will support the weight of the magnet GE Healthcare recommends a structural analysis b Doors or other openings are sufficiently wide
14. 236 in 6000 mm 276 in 7000 mm 315 in 8000 mm 354 in 9000 mm 197 in 157in 118in 79in 39in 0 39in 79 118 157in 197 236in 5000 mm 4000 mm 3000 mm 2000 mm 1000 mm 1000 mm 2000 mm 3000 mm 4000 mm 5000 mm 6000 mm Chapter 2 General System Level 31 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 6 Magnetic Fringe Field Front View Magnet Y 236 in Isocenter 20006 4006 2006 1006 6000 197 in 5000 mm 157 in 4000 mm 118 in 3000 mm 79 in 2000 mm 39 in 1000 mm 0 39 in 1000 mm 79 in 2000 mm 118 in 3000 mm 157 in 4000 mm 197 in 5000 mm 236 in 6000 mm 197 in 157 118in 79in 39in 0 39in 79in 118 157 1971 2361 5000 mm 4000 mm 3000 mm 2000 mm 1000 mm 1000 mm 2000 mm 3000 mm 4000 mm 5000 mm 6000 mm 7 2 Interference from Changing Magnetic Fields Metal objects moving within the magnet sensitivity lines can produce a field disturbance during clinical imaging If the metal object is moving it will produce a fluctuating dipole type of field which cause image artifacts As an example a car driven inside the moving metal line will act as a dipole and produce a time varying field which change the magnet s main fi
15. 5 4 Requirements 5 4 1 RF Shield Requirements 1 The RF shielding must provide 100 dB up to and including 100 MHz 10 MHz planewave attenuation for the entire room including all shield penetration points Note 100 dB up to and including 145 MHz x10 MHz is recommended for new construction to accommodate future upgrades NOTE When measuring planewave attenuation in the RF shield room Penetration Panel blanking plates must be installed The RF Shield vendor installs wave guides including the Cryogen Vent See Magnet Room Venting Requirements The customer must work with the RF shielding enclosure vendor to install any waveguides for optional GE Healthcare e g an MRE air hose or Non GE options functional imaging signal cables The RF shielded room must be isolated from earth ground by more than 1000 ohms DC resistance during construction before electrical installation The RF shielded room must be grounded to the RF common ground stud which is grounded back to the Power Distribution Unit in the Power Gradient RF cabinet a Primary Ground All RF Shield components walls floor ceiling etc must be electrically bonded together to form one common ground plane which is connected to the Facility Grounding Conductor b Secondary Ground Other grounds that connect the outside of the RF Shield room to earth grounds are called secondary grounds See Grounding Requirements for RF Shield room grounding details Facility pow
16. QN9 5VMW 0 GNLS GND WOO dY SOOTIN un REM vem QN9 39d 9 GNLS GND WOO lt 00 3 uns ballad 9 anis GND WOO uns TE nsa MO 92024 uny ballad d 01 MO 92024 un 000 1 8 0 21 5 22023 UNY 0002 1 ZLf N3d 0 22 02064 und 26962618 00001 1 93 22 9 02024 un 440002 UL 97261615 9r N3d oi 001 UNY 400021 8 6 926 618 Apog st Nad 9i 0043 4440000 2 926 618 peeH 9f ued oi t0043 0000 7261615 1 pog sr N3d 01 0013 UNY wuu0001 LZr Bew 0024 ung 1061615 HHH Lzr Dew oi 0024 ung prm 02 0 81 60024 UNY 2 1061615 00021 8 34 01 12 62023 umd 9021615 00001 8 34 0 12 62023 6 90216 9 ul 1110004 L 6LF N3d 01 1 20023 pueg Jorio 123 Chapter 6 MR System Interconnects Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 GE Healthcare Illustration 6 14 System Cable List Page 8 uogejnsu 5 E SOH 5 2 01 5
17. 6 Install cable trays in equipment room see Chapter 6 MR System Interconnects Routing Requirements 7 Cryogen vent must be relocated to align with the Magnet Cryogen Vent opening see Chapter 3 Magnet Room Venting Requirements Chapter 2 General System Level 21 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 System Components The Optima MR450w system consists of the following components 2 1 Magnet Room 1 2 3 4 5 1 5T Magnet and Magnet Enclosure Rear Pedestal PED Patient Transport Table PT Optional Surgical suite table Magnet Rundown Unit MRU Note An optional remote MRU may be located outside the magnet room 2 2 Equipment Room 1 0 go 048 0 RA o Main Disconnect Panel MDP Power Gradient RF Cabinet PGR Heat Exchanger Cabinet HEC Penetration Panel Cabinet PEN Secondary Penetration Wall SPW Cryocooler Compressor Cabinet CRY Magnet Monitor MON Optional Brainwave Lite BW Optional CADstream 10 Optional MR Guided Focus Ultrasound FUS 11 Optional Magnetic Resonance Elastography MRE 2 3 Control Room 1 2 3 Operator Workspace equipment OW Pneumatic Patient Alert System PA1 Optional Oxygen Monitor OXY 2 4 Accessories 1 2 22 Patient accessories including phantoms cushions sponges straps and wedges Gating accessories including patient cardiac leads peripheral gatin
18. Dock Clamp Bracket Finished Floor x te ee Filler Board c 7 Grout ee 2 2 1 4 1 2 Conductive Fiberous Washer RF Seal Concrete Female Anchor Insert Female Anchor Method Cutaway Side View Bolted Method Cutaway Side View 1 The RF Shield vendor must design and install the dock anchor bolt 2 The dock anchor hole must be drilled after the Magnet is installed 3 The dock anchor must not contact floor rebar or other structural steel 4 The dock anchor must electrically contact the RF shield at point of entry 5 The dock anchors must have the following properties a Anchors must be two part assembly male female b Female side must be expansion or epoxy type c Male side must be a bolt or threaded rod with appropriate sized nut bolt or rod must be removable not epoxied or cemented in place Chapter 3 Magnet Room 63 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 d Anchors must be electrically conductive e Anchors must be non magnetic f Anchors must not induce galvanic corrosion with the RF shield Anchors must be commercially procured o The anchor rod hole clearance in the dock anchor base is 0 43 in 11 The anchor rod diameter must be sized appropriately i Anchors must meet the following clamping force 700
19. THE IMPLEMENTATION OF ALL REQUIREMENTS AND ADHERENCE TO ALL SPECIFICATIONS IN THIS MANUAL IS THE RESPONSIBILITY OF THE CUSTOMER OR THEIR ARCHITECT AND ENGINEERS REFER ANY QUESTIONS TO THE GE HEALTHCARE PROJECT MANAGER OF INSTALLATION PMI NOTICE The customer is responsible for compliance with all local and National codes and regulations 1 1 Document Purpose This preinstallation manual provides the necessary information to prepare a site for system installation Specifically this manual provides information 1 2 For the site to meet system requirements For the effective arrangement and interconnection of system components 1 2 Intended User The primary user of this manual is the customer s installation or architectural planner who has knowledge of the following 1 2 3 4 Any special architectural requirements e g seismic codes MR nomenclature system functions and general characteristics National and local building codes Customer site procedures medical MR safety etc 1 3 Document Overview This manual describes requirements and specifications for the following 1 2 General System Requirements Shipping and Delivery 3 Magnet Room Chapter 1 Introduction 19 GE Healthcare 4 Equipment Room 5 Control Room 6 Interconnects 20 Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 7 Preinstall Manual Introduction Optima MR450w Preinstallation Manual
20. 11 3 286 6 5 6 142 1 Mounting Pattern 1 8 45 9 1 025 26 Dia Cable Access 4 72 119 8 2 11 53 6 EE 0 275 7 Dia Mounting He 4 14 gt 1 6 40 7 V dl 00051 8 28 210 3 60 1524 Finished Floor 7 4 Oxygen Monitor Sensor Specifications See Chapter 5 Oxygen Monitor OXY 72 7 Magnet Room Equipment Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 8 Magnet Room Venting Requirements 8 1 Overall Requirements All vent components must be accessible for inspection cleaning or maintenance 8 2 HVAC Vent Requirements 1 2 3 4 All components of the system are supplied by the customer RF Shield vendor must install open pipe or honeycomb HVAC waveguides Waveguides must be nonmagnetic and electrically isolated Incoming air must contain at least 596 air from outside the Magnet room inside or outside the facility 8 3 Emergency Exhaust Vent Requirements 1 2 3 All components of exhaust vent system are supplied by the customer The exhaust vent system must be operational before the magnet is installed The exhaust intake vent must be located near the magnet cryogenic vent at the highest point on the ceiling The Magnet room exhaust fan and exhaust intake vent must have a capacity of at least 1200 CFM 34 m minute with a minimum 12 room air exchanges per hour
21. 3 Measurements are taken with horizontal and vertical antenna polarizations Both Transmit TX and Receive RX antennas must be aligned with the same polarization the measured polarization shall be part of the test report 4 Forlocalized testing of screen room items such as doors windows filters penetration areas etc the transmitting antenna as well as receiving antenna will be positioned in front of the items under test 4 9 1 Shielding Effectiveness Measurement Three main steps are required to complete the Shielding Effectiveness measurement at each test position 1 Take reference level measurement 2 Take attenuated level measurement 140 4 RF Shielded Enclosure Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 3 Calculate Shielding Effectiveness as shown below Illustration 7 6 Shielding Effectiveness Measurement Procedure Shielding Effectiveness Measurement Procedure 1 2 3 Reference Level Attenuated Level Shielding Measurement Measurement Effectiveness 4 92 Reference Level Measurement 1 The reference level is the value of signal measured by the receiver equipment with the receiving antenna located at a prescribed distance from the transmit antenna and located outside of the shielded enclosure 2 Measurement setup for the reference level is in accordance with the illustration below Illustration 7 7 Reference Level Measurement Reference Leve
22. 4 1 2 3120 6080 3870 6770 4610 7470 4800 7470 114 13 9 27 0 17 2 30 1 20 5 33 2 21 4 33 2 1 25 4 Chapter 7 Appendicies 153 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 7 12 Allowable Anchor Loads in Concrete Metric Units ANCHOR 13 8 MPa 2000 psi 20 7 MPa 3000 psi 27 6 MPa 4000 psi 41 4 MPa 6000 psi DEPTH DIAMETER mm in TENSION TENSION TENSION TENSION See Note 1 kN Ib kN Ib kN Ib kN Ib 450 507 469 4 1 8 2500 5650 4705 8965 5450 45 0 30 7 46 9 130 25 1 52 9 30 7 58 7 36 4 14490 10005 14490 5 1 8 5650 11900 6910 13195 8175 64 5 44 5 64 5 155 30 0 61 2 36 9 70 5 43 9 29 8 57 7 95 6 6 1 8 6735 13760 8300 15855 9860 17950 12980 21490 Note 1 All shaded values fail to meet the clamping force tension therefore are not acceptable anchors 154 7 Selecting Magnet Anchor Size Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 8 Magnet Cryogenic Venting Pressure Drop Reference Tables Use the following tables to calculate the cryogenic vent pressure drop through the pipe used Table 7 2 1 5T Magnet Cryogenic Vent System Pressure Drop Matrix Distance of vent system Pressure drop for Pressure Drop Per Elbow Used Anywhere Within A 20 Ft 6 1 M Vent Segment smooth inside sur Standard Sweep Long Sweep face Std swee
23. The exhaust fan must be placed above RF shielding located outside 10 gauss 1mT and with appropriate waveguide The system must have a manual exhaust fan switch near the Operator Workspace OW and in the Magnet room near the door the switches must be connected in parallel NOTE Ifthe Magnet room contains an optional oxygen monitor the Magnet room switch is not required All system components must be accessible for customer inspection cleaning and maintenance Chapter 3 Magnet Room 73 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 3 12 Magnet Room Exhaust Fan Schematic NOTE All items shown are supplied and installed by Customer or Contractors Vent to outside environment Dielectric Isolator Exhaust Intake Vent AC Power Waveguide rated as required for ide To Facility operation of Motorized 72 Air Handler Damper and Exhaust Fan Ground secondary of low Coling voltage transformer to RF EM Motorized Damper Room Common Ground Stud Manual ON OFF fan switches in parallel RF Filter 87 CONTROL ROOM Illustration 3 13 Magnet Room Exhaust Fan Schematic with Optional Oxygen Monitor NOTE GE Option supplied and installed equipment All other items supplied and installed by Customer or Contractors ent to outside environment 4 AC Power iride
24. 5 205 kg Rear Pedestal weight 212 Ibs 96 kg Illustration 3 8 Magnet MAG and Rear Pedestal Magnet and Rear Pedestal 67 09 1704 All Dimensions in inches Bracketed dimensions are in milimeters Note Center of gravity is approximate and includes the GE Healthcare supplied VibroAcoustic Dampening option but does not include 92 78 cryogens gradient assembly side mount electronics or enclosures 2356 5 Center of gravity without the GE Healthcare supplied VibroAcoustic Dampening option is 41 61 1057 Center of Center of Gravity Gravity See Note See Note 9376 2381 6 37 625 10 25 95 568 6 35 38 15 gt 969 1132 6 7 2 Patient Table PT Specifications Weight empty 418 Ibs 190 kg Weight with maximum patient weight of 500 Ibs 227 kg 850 Ibs 386 kg Chapter 3 Magnet Room 69 Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 GE Healthcare Illustration 3 9 Patient Table PT Patient Table All Dimensions in inches Bracketed dimensions are in milimeters 40 35 27 7 1025 676 eee Sa TOP VIEW Side Rail extended xu MCI d 1 954 Table 30 5 am Elevation 775 27 44 Maximum 697 a Ez Maximum NM 40 0 Table Lera 1017 Elevation AR _ M Maximum
25. 9S0H 01 888625 ka 4 SHON 40128uu02 00006 punoo 55709815 615 X QN9 H9d ONE JOE 80073 3 MR System Cable Specifications 124 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 Facility Supplied System Interconnects Specifications The following table lists the required facility supplied system interconnects Refer to Illustration 6 15 for additional information Table 6 6 Facility Supplied System Interconnects Between Units Comments Requirements Facility Power Facility Power and Ground Power and Ground Chapter 2 MR Suite Electri cal Requirements Facility Cooling HEC Cooling Water Supply Chapter 2 MR System Facili Water ty Water Requirements Facility Cooling Cooling Water Return Water Facility Network Facility must provide network tele Chapter 4 Magnet Monitor phone access for the Magnet Moni MON Requirements and tor MON and Global Operator Cab 5 inet The MON connection Facility Network must be available at all times E Off Switch Facility must supply cable from MDP 2 MR Suite Electri to E Off Switch in Equipment Room cal Requirements Facility Power Outlet near MON outlet MON power Chapter 4 Magnet Monitor MON Requirements and Specifi
26. Battery chargers Outlets 4 Ducting for HVAC and cable routing 5 RF Shield seals walls doors windows etc Chapter 7 Appendicies 137 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 RF Shielded Enclosure Test Guidelines 4 1 Introduction This document describes guidelines for performing an RF shielding Effectiveness SE verification test on the RF Shielded Room that will house GE Healthcare Magnetic Resonance Imaging MRI equipment MRI equipment is sensitive to RF energy from sources outside of the RF shielded room To ensure proper operation of the MRI equipment the RF shielded room must attenuate local RF electromagnetic energy to levels that do not cause interference NOTE Shielding Performance is based on plane wave measurements Hand field tests are not required but are allowed as needed for diagnostic purposes 4 2 Purpose of Test Guideline The purpose of this test guideline is to describe the recommended test procedure for RF shielding effectiveness SE to demonstrate the MRI RF shielded room is in compliance with GE Healthcare requirements The test guideline is based on IEEE Std 299 2006 This guideline provides a thorough evaluation of the RF shielding integrity at the frequency ies of interest of interest showing any RF leakage that may cause a degradation to the MR System performance for the image quality i e induced image artifacts These testing guide
27. C Hr when averaged over 1 hour 2 Operating humidity gradient limits shall be between 5 RH hour and 5 RH hour when averaged over 1 hour 3 Maximum ambient temperature is derated by 1 degree C per 300 m above 2000 m 1 The customer is responsible for HVAC system design purchase and installation 2 Thetemperature requirements must not be exceeded at any point during the day both working or non working hours 3 Aseparate thermostat must be provided for the Magnet room 9 2 Equipment Heat Output Specifications This section details the heat output for specific components These heat outputs define the minimum maximum and an assumed average condition Actual heat output and room temperature may vary due to environmental factors room insulation actual usage and any non GE Healthcare equipment used in the MR suite Also due to large variations in heat loads the HVAC system may require unloaders hot gas bypass and reheat to maintain humidity levels 40 9 MR Suite Temperature and Humidity Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 NOTE Air cooling load for components in the Equipment room is averaged over a 12 hour working day is approximately 1 2 of the maximum value Table 2 8 System Heat Output for Air Cooling Component Magnet Room Equipment Room Control Room BTU hr W BTU hr W BTU hr W imum Average Maximum Metrum M
28. Facility Supplied Cable customer Facility to Facility Supplied Supplied Network Phone Power Connection Receptacle H OW Facility H GOC Supplied H Power GE Healtcare H G Supplied Cable MRU Switch Magnet Room PEN Panel SPW LORE ERE Facility Supplied Receptacle Power Healtcare Supplied Cable to Facility Supplied Network Phone Connection NOTE 126 PEN Cabinet 06 Facility Cable HEC Facility Cooling Water Supply Return GE Healtcare Supplied Cable 05 Facility Cable Equipment Room C01 Facility Power GE Healthcare recommends installing the RF Door switch on the outside wall of the Magnet room 4 Facility Supplied System Interconnects Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Chapter 7 Appendicies 1 Glossary BB Abbreviation for Broadband Cryogen A substance for producing low temperatures Liquid helium is the cryogen used to cool the magnet to approximately 4 Kelvin 269 C or 452 F Cryostat An apparatus maintaining a very low constant temperature The cryostat consists of one concentric cylindrical container housed in an outer vacuum tight vessel The magnet and shim coils are mounted in the inner container The container is filled with liquid helium Th
29. configuration kg 3rd Party 10 5 equipment 267 with 75 Ibs 34 kg 3rd A Party equipment Keyboard on pullout shelf 71 0 1803 Rear Interconnects 30 0 Access 762 19 0 483 60 0 1524 58 9 for GE gt Party provided 23 18 equipment configuration 589 425 fifi 2 with 75 Ibs 34 kg 108 2 25 3rd Party equipment 57 All mounting holes are 3 8 16 threads 96 10 Brainwave Lite BW Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 11 Magnetic Resonance Elastography MRE Specifications 11 1 Requirements 1 Customer must work with the RF shield vendor to provide a waveguide for the 1 in 25 4 mm 2 MRE Resoundant Acoustic Driver location is limited to the length of the 1 in 25 4 mm tube see the usable cable lengths in Chapter 6 Section 1 4 Magnetic Resonance Elastography MRE Option 3 The MRE Resoundant Acoustic Driver module requires a 110 220 VAC 50 60 Hz 2 0 A facility supplied outlet Power at the outlet must be continuously available 11 2 Specifications 1 Weight 53 4 Ibs 24 22 kg 2 Gauss Limit 50 gauss 3 Power Cord Length o 60 Hz 240 in 6096 mm o 50 Hz 300 in 7620 mm Illustration 4 11 Magnetic Resonance Elastography MRE Resoundant Acoustic Driver Magnetic Resonance Elastography MRE Resoundant Acoustic Driver All Dimensions are in i
30. x 65 in 610 mm x 1651 mm for each pad to calculate floor loading 7 RF shield seams joints or overlaps must not be located under the VibroAcoustic mats Illustration 3 6 Magnet Room Floor Levelness Area Magnet Room Floor Levelness All Dimensions in inches Bracketed dimensions are in milimeters 245 6223 99 2515 EE Floor levelness must 0 3125 in 8 mm between high and low spots over any 120 in 3048 mm distance Magnet Room Magnet Geometric Top View Isocenter Chapter 3 Magnet Room 67 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 3 7 Magnet Mounting Detail Magnet Mounting Detail 24 21 93 3 with VibroAcoustic Mat Option Dus 610 557 All Dimensions are in inches Bracketed dimensions are in milimeters 1225 65 L 1651 Rebar Free Area Magnet 4 in 102 mm sq Geometric Table dock hole Isocenter Rebar Free Area drilled only after Y Magnet installation 2 Note Rebar is not allowed VibroAcoustic VibroAcoustic a 3 in 76 2 mm square area Mat Mat under Magnet mounting holes and a 4 in 102 mm area 24 used for the table dock anchor 4 610 68 6 Finished Room Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 7 Magnet Room Equipment Specifications 71 Magnet MAG Specifications Magnet weight installed 11 475 Ibs
31. 661 tld g favo H 5 E 2 2 2 5 gt 5 N o 000 1 60 OVW O1 ZZI N3d Und 5 6192115 00001 6 0 21 OLEIN Une p6zozzis __ 5200 570 WWOOOPL Zr 6 6 92118 BAH OVM 01 vf N3d ZLELIN E 0 2 ZLELIN uns 000 6LT OVW 01 SZ N3d ZPELIN UNY 21 6292219 100001 6L DVW 0 SZ N3d uns kias 01 64 LeELIN UNY 51 6 92 15 8LP DVW 0 FRE LIN UNY 6292215 mmn WIN tld 9 2 OMVZ 2 9 WMY 10 9MVOL 2 9 0052 SILL Jewod 2 2062 18 2 10715 8 01 9 90 IN uns Snipey vipjozis puag 5 121 Chapter 6 MR System Interconnects 3 0 vision reinstallation Manual Direction 5670001 Re Optima MR450w GE Healthcare System Cable List Page 6 Illustration 6 12 pue VIN 2 87 8 1 uo 8 xajduuis z 5 90 jeondo ee TT iH 19 tld SND HWO tld HWO vid HWO tld YWO 9 51 0 2 Div SMW 9 2 1 0 2 Div SMW 9 2 1 SM
32. 9 1 Acouslic Background aere etie E 146 Jul T enrenar LS Alo epa oue a ea 146 Ds T 2 StrictirebOrtie sooo na dee IERI desde eie deae sies spass 146 5 2 Acoustic Design Guidellnes iit einen ite n ex HAC 147 252 T Malgrielb ROOM 147 5 2 211 eee ERR E ERE EAR E ER EUER 147 522 1 Wall Constructo M e elder acabo ed eec ntu to catia an cuts e 147 5 2 2 2 High Bay Root co e a eT i uetus 149 5 2 2 3 Miscellaneous Plumbing RF Windows and RF 149 6 Sample Calculation AC Power Equipment Minimum 151 7 Selecting Magnet Anchor duce E 153 8 Magnet Cryogenic Venting Pressure Drop Reference 155 78 Table of Contents Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Chapter 1 Introduction 1 Preinstall Manual Introduction EQUIPMENT FAILURE OR PERSONNEL INJURY FAILURE TO IMPLEMENT ALL REQUIREMENTS AND ADHERE TO ALL SPECIFICATIONS IN THIS MANUAL MAY RESULT IN PERSONAL INJURY EQUIPMENT DAMAGE SCAN FAILURE OR WARRANTY VOID
33. AL 6061 T6 Minimum 0 083 in 2 11 mm Maximum 0 125 in 3 18 mm c CUDWV M or L Minimum 0 083 in 2 11 mm Maximum 0 140 in 3 56 mm Chapter 3 Magnet Room 75 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 3 4 5 6 Either tubes or pipes may be used and must be seamless or have welded seams Corrugated pipe or spiral duct must not be used A bellows pipe less than 1 ft 30 cm in length may be used as a thermal expansion joint The vent pipe must withstand a maximum pressure of 35 psi 241 4 kPa Waveguide vent material must match the outside diameter of the magnet vent 8 6 4 Support 1 3 The vent support assemblies must support the entire vent system and 1850 Ibs 8229 N helium flow reaction force at vent elbows Any vent support between the magnet interface and the isolation joint at the waveguide must be electrically isolated to ensure the integrity of the RF shield The Ventglas joint must not be used as a vent system support 8 6 5 Construction 1 A single dielectric break in the vent system i e Ventglas is required in the Magnet room to ensure the integrity of the RF shield for the Magnet Room a Ensure the gap between the pipes is 1 0 50 25 inch 25 4 6 mm b The outside diameter of the waveguide must match the outside diameter of the GE vent tube within 0 125 in 3 mm c The Ventglas joint must be accessible for annual inspection or maintenance
34. Added 0 25 in tolerance to vent location Updated system cable list Added optional surgical suite table illustration Added recommendations not to use ferrous material compo nents in the Magnet room 12 Revision History Updated Emergency Coolant Requirements for clarity Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Table of Contents Chapter 1 INTRODUCTION ns 19 1 Preinstall Manual tei en n eue ceed RA 19 1 1 Document 19 12 Intended WSC m deere 19 1 3 Document OVervieW 3 3 xoc Satins Ses dett de ene nid esu laut tmt E 19 Chapter 2 GENERAL SYSTEM LEVEL 4 entend nne opo E ER cR 21 1 Upgrade Requirements cesto tee Le Rr o RP a e aere Ee CE e ae 21 2 System 22 2 1 Magnet ROOM 22 2 2 Equipment ROOIT A RN 22 2 3 GOD OL IROOM game 22 nt co ead dta dotada epit vd idunt edo aeae e
35. Cable Part number Resoundant Active Driver PEN Cabinet J6 600 15 240 Resoundant Active Ethernet Hub in Ethernet Driver PGR 600 15 240 Resoundant Active Customer Sup 60 Hz 240 6096 Power Driver plied Outlet 50 Hz 300 7620 Chapter 6 MR System Interconnects 109 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 MR System Interconnects Routing Requirements 2 1 General Requirements 1 The customer is responsible for the purchase and installation of all cable support mechanisms 2 Anytype of cable support may be used such as Ladder or Channel style cable trays or Unistruts provided the cable trays meets all MR system requirements including all local and national codes All cable support must be nonferrous e g composites or aluminum The distance between cable supports must be less than 12 in 305 mm For example the distance between rungs on a ladder tray or the distance from the end of a cable tray to a final non ferrous Unistrut must be 12 in 305 mm or less Two cable supports must be used each at least 18 in 457 mm wide The cable supports must have a minimum cable bend radius of 13 in 330 mm to accommodate gradient cables vertical or horizontal bends 7 Cable supports may be stacked or side to side 8 Air water and gas lines must be run in the lower support if stacked see lllustration 6 1 9 The following cable groups must be routed in separate sectio
36. Configuration Equipment Room Magnet Room Control Room Total Sys See the illustrations below for specific tem Area dimensions ft Area Ceiling WxD Area Finished WxD Area ft m Height in mm ft m ing Height mm ft m in mm in mm Minimum Room Size Option 1 105 2667 116 68 20 67 60 X04 369 85 ange 114 2896 3620x 20 87 Minimum 1524 35 32 218 72 2500 20 32 With MR Guided Fo Contact Project Manager of Installation PMI for FUS site planning details cused Ultrasound With CADStream _ With Brainwave Add 13 25 1 25 NOTE Lowceiling kit is required if the ceiling height is 105 in 2667 or less Chapter 2 General System Level 23 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 1 Minimum Magnet Service Area Minimum Magnet Service Area All Dimensions are in inches Bracketed dimensions are in milimeters 8 137 3480 4 97 2464 279 10 37 254 940 275 699 143 5 91 3620 2311 Magnet Isocenter 45 5 1156 34 5 25 635 876 Notes 1 Solid lines enclose service area option 1 2 Service area may be modified per dashed lines if necessary option 2 245 6223 Illustration 2 2 Minimum Magnet Ceiling Height
37. Detail Equipment Room i EN 1 S 25 76 i 8 1 dus mm Top View 10 0 78 Mounting Holes E E 20 Same for each Service rj corner Clearance lt LJ LJ 8 Cabinet Front 8 Cabinet Top E 5 o 2 Service Clearance Equipment Room Magnet Room 5 5 T T a 9 c c ur 20 15 381 lt 23 62 600 lt 508 15 381 1 Service Clearance t 36 39 4 6 152 914 1000 Service Clearance Service Clearance Front View Side View Cabinet Front 75 6 17 3 1920 440 Center of Gravity Penetration Panel Refer to Wall Opening Requirements for mounting Airflow Clearance Installation Clearance Installation Clearance Mounting Hole Detail 1577 6 54 10 63 10 63 1 400 5 166 2 gt le 270 gt 270 3 94 100 Floor M12 x 1 75 mm 15004 Mounting Holes 4 Cabinet Side Cabinet Front Same both sides Chapter 4 Equipment Room 89 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 6 Secondary Penetration Wall SPW Specifications The Secondary Penetration Wall SPW provides interconnects from the Equipment Room through the Magnet Room RF Shield 1 Maximum Magnetic Field 200 Gauss 20mT 2 See PEN and SPW Wall Opening Requirements mounting and location requirements 90 6 Secondary Penetration Wall SPW Specifications Optima M
38. Ductwork gt E rated as required for SOMOS operation of Motorized 4 EXHAUST Damper and Exhaust Fan Exhaust FAN Ground secondary of low Intake Vent 4 voltage transformer to RF Waveguides To Facility Room Common Ground Stud 7 Air Handler RF Shield 22 Room Ceiling menm 9 Motorized Damper Contactor energized during normal OXYGEN operation fan off MONITOR At alarm or loss of OM1 contactor power K1 CONTACTS contacts close as REMOTE 5 Wr 5 m Contains Audio 77 SENSER Light Indicators for SENSO EL Manual CONTROL VOLTAGE Alarms 4 1 Fan Switch 20 30 TB3 in series FUSE AS REQUIRED Internal Contacts PENETRATION open on alarm PANEL PP1 break connection MAGNET ROOM CONTROL ROOM 74 8 Magnet Room Venting Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 8 4 Pressure Equalization Vent Requirement An additional pressure equalizing waveguide vent in the magnet room ceiling or in the wall with waveguide top edge located at ceiling to prevent air pressure from restricting movement of the Magnet room door The vent minimum size must be 576 sq in 372 100 sq mm 8 5 Cryogenic Venting The MR System requires an outside vent to allow helium gas to escape during magnet quench The vent must be properly installed to ensure the gas does not escape into the building The vent must be connected to th
39. Illustration 2 9 Actual Axial Shielding Performance Actual Axial Shielding Performance 100 99 5 23 49 15 66 5 8 8 9 8 96 5 CE MIENNE NE Wet Percent Shielding 3 amp 95 5 95 Constant Miligauss to produce 1 Hz Shift 94 5 p l 1 i A 94 60 70 80 90 100 Time Seconds 100 99 5 8 8 8 96 5 Percent Shielding 3 95 5 95 Constant Miligauss to produce 1 Hz Shift 94 5 94 Time Seconds Chapter 2 General System Level 35 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 T 3 Electrical Current 1 Electrical current in high voltage power lines transformers motors or generators near the magnet may affect magnetic field homogeneity 2 Magnetic field interference at 50 or 60 Hz must not exceed 40 milligauss RMS respectively at the magnet location refer to Illustration 2 10 3 The following equation can be used as a general guide in determining allowable current in feeder lines at a given distance from the magnet isocenter a For 1 5T Magnet I 20X S b I Maximum allowable RMS single phase current in amps or maximum allowable RMS line current in amps in three phase feeder lines 5
40. Illustration 5 2 Global Operator Cabinet GOC 14 86 377 5 NOTE ALL DIMENSIONS ARE IN INCHES ALL BRACKETED DIMENSIONS ARE IN MILLIMETERS ANCHOR SIZE IS M12 4 13 4 1105 1 89 48 29 72 755 15 79 401 27 56 700 LU 23 35 593 11 73 298 o o i 5 1 i 7 68 195 1 12 83 326 SIDE VIEW VIEW 1 3 Host Display 1 Weight 26 Ibs 11 8 kg 2 Magnetic Field Limit 50 Gauss 5 mT 100 7 Operator Workspace Equipment Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 5 3 Host Display 12 306 NOTE 22 ALL DIMENSIONS ARE IN INCHES 554 ALL BRACKETED DIMENSIONS ARE IN MILLIMETERS 17 432 FRONT VIEW SIDE VIEW 1 4 Host Keyboard Illustration 5 4 Host Keyboard 17 88 454 15 NOTE All dimensions in inches All bracketed dimensions are in millimeters e Graphic not to scale 5 25 133 35 HH 6 25 158 75 MOCC FRONT VIEW SIDE VIEW 1 5 Pneumatic Patient Alert The Pneumatic Patient Alert system allows the patient to contact the operator The Control Box audible and visual alarm will be activated by the patient squeeze bulb which is located on the Magnet Enclosure and connected by pneumatic tubing through
41. Information GE Healthcare VARNING SV OPOZORILO SL DIKKAT TR Important Information Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Den har servicehandboken finns bara tillganglig engelska Om en kunds servicetekniker har behov av ett annat spr k n engelska ansvarar kunden f r att tillhandah lla 6versattningstjanster F rs k inte utf ra service p utrustningen om du inte har l st och f rst r den h r servicehandboken Om du inte tar h nsyn till den h r varningen kan det resultera i skador p servicete knikern operat ren eller patienten till f ljd av elektriska st tar mekaniska faror eller andra faror Ta servisni priro nik je na voljo samo v angle kem jeziku e ponudnik storitve stranke potrebuje priro nik v drugem jeziku mora stranka za gotoviti prevod Ne posku ajte servisirati opreme e tega priro nika niste v celoti prebrali in razumeli e tega opozorila ne upo tevate se lahko zaradi elektri nega udara mehanskih ali drugih nevarnosti po koduje ponudnik storitev operater ali bolnik Bu servis k lavuzunun sadece ingilizcesi mevcuttur E er m teri teknisyeni bu k lavuzu ingilizce d nda bir ba ka lisandan talep ederse bunu terc me ettirmek m teriye d er Servis k lavuzunu okuyup anlamadan ekipmanlara m dahale etmeyiniz Bu uyar ya uyulmamas elektrik mekanik veya di er tehlikelerden dolay teknisyen operat r ve
42. Installation Detail Exhaust Area 20 ft 6 1 m long 15 ft 4 6 m wide 20 ft 6 1m Note Vent Caps screens lo Vent Cap Contractor Supplied vent pipe Ground to bottom of Vent Cap 12 ft 3 7 mm Outside NASASSASSSASSSSASSSASS Cryogenic Exhaust Vent RF Scan Room Wall or Ceiling Must provide support for entire vent with no weight transferred to Scan Room Isolation Joint Minimum RF Screen to Finished Floor Ceiling Height 120 in 3048 mm Finished Floor Chapter 3 Magnet Room to keep out anything that could block the M M M a M M a M M M La Vent Exhaust Area 20 ft 6 1 m long e 15 ft 4 6 m wide must have uvers etc 36 in 914 mm Roof 2222222222222272222222227722 Outside Exterior Detail Additional Pipe Tubing Contractor Supplied Must be at least 4 in 100 mm 1in 0 25 Dielectric Break oe ate electric Brea Either Contractor Supplied or GEHC Supplied Ventglas Connector Must be at least 4 in 100 mm Pipe must extend from ceiling to 1 in from GE supplied pipe below isolation joint 4 in 100 mm minimum Additional Pipe Tubing Contractor Supplied Isolation Joint 1in 0 25 25 6 Ventglas Connector GEHC Supplied 24 in 610 mm supplied May be cut to 4 in 100 mm Vent Pipe GEHC Supplied Pipe to fi
43. Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 8 Multiple MR System Requirements 8 1 Multiple Magnets When installing multiple magnets the 3 gauss lines must not intersect or the magnets will be interactive Contact the GE Healthcare Project Manager of Installation PMI for any questions regarding magnetic field interaction Illustration 2 11 Two Magnet Installation 0 3 mT NO INTERACTION MAGNET INTERACTION 8 2 Shared Equipment Rooms When installing multiple MR systems in a shared equipment room the following conditions must be met 1 RF cabinets must be separated by at least 79 in 2000 mm Refer to Illustration 2 12 for cabinet location examples 2 Cables from different MR systems must not be routed together 3 Penetration panels must be separated by at least 118 in 3000 mm 38 8 Multiple MR System Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 12 Equipment Room Cabinet Separations Shared Equipment Room Minimum Separation Distances All Dimensions are in inches Bracketed dimensions are in milimeters T 4 4 1 PGR Cabinet 1 PGRCabinet2 1 1 1 RFSide binet 2 RF Side IO Led PGR Cabinet 2 Note Discovery MR system Power Gradient RF PGR cabinets shown Distances shown must still be maintained between RF cabinets for systems with the same field strength for other GE
44. RF coil and gradient coil generates acoustic noise similar to an intense loud speaker The airborne noise passes through walls via any openings i e small holes cracks HVAC ducts and waveguides into surrounding spaces within and possibly beyond the confinements of the building Acoustic energy can transmit across distances of significant length Examples of airborne acoustics issues may include the following not limited to only these MR Operator exposure at Operator Workstation i e Operator viewing in line with the patient inside the magnet may require a higher acoustic attenuation window Image reading rooms adjacent to Magnet Room may be separated by hallways e Secretarial offices meeting rooms patient rooms ICU exam primary care etc Adjacent residential areas spaces In house library facilities 5 1 2 Sfructureborne 146 The structureborne transmission path is the result of mechanical excitation of the floor building structure causing the building to vibrate The vibration of the surfaces at surrounding spaces then radiates as acoustic noise Acoustic energy can transmit across distances of significant length NOTE Less than 5 of installed base sites have experienced structureborne acoustic issues Examples of structureborne acoustics issues may include the following not limited to only these e Areas directly above or below the Magnet Room may not always be an issue Image reading rooms adjac
45. Suite NOT TO SCALE 148 5 Acoustic Background and Design Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 7 10 Example Of Wall Construction For Airborne Noise Control Option 2 Exterior Wall to MR Suite Option 2 16 inch off center studs location Na Double Layer of 5 8 inch drywall both walls 2224 Steel Wall Studs double wall E RF Shield MR Suite Finished Wall 16 inch off center studs location Interior Wall to MR Suite NOT TO SCALE 5 2 2 2 High Bay RF Room A high bay RF Room is a self contained RF Room which has open air space between the RF Room ceiling and the building floor above The air space is an acoustic transmission path Acoustic energy must be reduced to minimize this transmission of energy through this path In cases where the Magnet is to be installed in a high bay it may be most effective to enclose the RF Room with its own drywall and steel stud room The key difference being a ceiling assembly that mimics the sidewall construction to contain noise e Normal high STC stud walls from above would be used to support a ceiling assembly constructed of structural C channel with two layers of drywall on each side total of 4 layers with fiberglass batt in the cavity e Penetrations should be avoided via the use of surface mounted lights HVAC and ducts passing through the ceiling p
46. The Ventglas joint may also serve as a thermal expansion joint All joints except the single Ventglas joint must be welded or brazed All isolation thermal expansion joints except the Ventglas joint must be rated to 4 5 K 451 F or 268 C and 35 psi 241 4 kPa The vent system must be insulated with 1 5 inch 38 mm thick flexible unicellular insulation to prevent condensation during magnet ramping Exposed insulation must be covered with a white PVC jacket The installation of the vent pipe section between the waveguide and the supplied magnet vent pipe must not result in any vertical or side load to the waveguide and the magnet vent pipe e g Lorenz clamps must not be used because the rigid connection will transfer load to the magnet vent pipe 8 7 Vent Requirements Outside the Magnet Room The customer is responsible for design installation and maintenance of all cryogenic venting materials outside the Magnet room except as noted in the following requirements 8 7 1 Vent Support 1 76 The vent support assemblies must be able to support the entire vent system and 1850 Ibs 8229 N helium flow reaction force at vent elbows 8 Magnet Room Venting Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 The dielectric break must not be used as a vent system support 8 7 2 Vent Construction 1 The vent must be routed as directly as possible to the outside If used elbows must be
47. analyzer b RF preamplifier if required c In line attenuator if required d DC power supply if required e Tuned A 2 Dipole antenna 100 MHz The transmit and receive antenna must be of the same type for each measurement Chapter 7 Appendicies 139 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 8 Test Frequency The standard frequency for shielding effectiveness SE measurement will be 100 MHz 1 MHz This allows the frequency to be adjusted slightly to avoid interference from local active transmitters and or RF noise from other sources Test frequency used will be noted in the test report 4 9 Measurement Procedure NOTE Except when specified antenna distances are measured at the center of the antenna 1 Each wall of the RF shielded room that is accessible for the measurement will be tested For areas that are inaccessible for the direct location of the transmitting antenna the inside of that area will still be scanned using the receiving antenna with the transmitting antenna positioned as close as possible to the intended test position that position shall be noted on the test report 2 Each accessible plane of the wall is subdivided so that the horizontal spacing is no more than 1 3 m 4 ft 3 in for the Transmit Antenna TX and Receive Antenna RX horizontal positions See the illustration below Illustration 7 5 Antenna Positioning Antenna Positioning RF Screen Room
48. antennas the receive antenna shall be moved vertically up 1 0 m from the initial position and then move it down from the initial position to 0 3 m above the floor Then starting 1 m to the right of the initial position move slowly vertically up 1 m and then down to 0 3 m above the floor Repeat this at 1 m to the left of the original position Record the maximum measurement reading in this plane b Reference Level at Vertical Polarization The reference level measurement is taken over a plane area covered as described below With vertical polarization for both antennas the receive antenna shall be moved horizontally right 1 0 m from the initial position and then move it left from the initial position to 1 0 m Then starting 1 m above the initial position move slowly horizontally right 1 m and then horizontally left 1 m from initial position Repeat this at 0 3 m above the floor measure 0 3 m from the floor to the bottom of the antenna move slowly horizontally right 1 m and then horizontally left 1 m Record the maximum measurement reading in this plane 4 9 3 Attenuated Level Measurement 1 142 The basic measurement procedure consists of positioning the transmit antenna outside the RF shielded room and the receive antenna inside the RF shielded room and measuring the magnitude of the largest received signal The Transmit Power for the Screen Room Measurement is the same as the power used to determine the Reference Level I
49. etli tento provozn n vod a pochopili jeho obsah V p pad nedodr ov n t to v strahy m e doj t k poran n pracovn ka prodejn ho servisu obslu n ho person lu nebo pacient vlivem elektrick ho proudu respektive vlivem mechanick ch i jin ch rizik Denne servicemanual findes kun p engelsk Hvis en kundes tekniker har brug for et andet sprog end engelsk er det kundens ansvar at s rge for overs ttelse Fors g ikke at servicere udstyret uden at l se og forst denne servicemanual Manglende overholdelse af denne advarsel kan medf re skade p grund af elektrisk st d mekanisk eller anden fare for teknikeren operat ren eller patienten Deze onderhoudshandleiding is enkel in het Engels verkrijgbaar Als het onderhoudspersoneel een andere taal vereist dan is de klant verantwoordelijk voor de vertaling ervan Probeer de apparatuur niet te onderhouden alvorens deze onderhoudshandleiding werd geraadpleegd en begrepen is Indien deze waarschuwing niet wordt opgevolgd zou het onderhoudspersoneel de operator of een pati nt gewond kunnen raken als gevolg van een elektrische schok mechanische of andere gevaren This service manual is available in English only If a customer s service provider requires a language other than English it is the cus tomer s responsibility to provide translation services Do not attempt to service the equipment unless this service manual has been con sulted and is under
50. in 673 mm from geometric isocenter 6 Cable supports must have a minimum height of 104 in 2642 mm at the back of the magnet Chapter 6 MR System Interconnects 113 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 NOTE Supports may be lower at other points along the route to clear obstructions as long as all other requirements are met T Ceiling grid work medical gas lines lighting fixtures etc must not touch MR system cabling or cable supports 8 Excess cable length in the Magnet room must be stored in either a Penetration Panel closet b Magnet room cable supports excess cable must be at least 36 in 914 mm from the magnet end of the support 2 3 Penetration Panel Closet Requirements 1 The end of the cable support must be contained within the Penetration Panel closet see Illustration 6 6 2 The end of the gradient cable support must be parallel to the Secondary Pen Wall SPW 3 The gradient cable support height and distance from the SPW must support a minimum cable bend radius of 13 in 330 mm to accommodate gradient cables Illustration 6 6 Penetration Closet Cable support Penetration Closet Equipment Room Cable Support Notes 1 All dimensions are in inches Penetration Gradient 2 Bracketed dimensions are in mm 3 End of tray or Unistrut must be parallel to SPW Panel Closet 4 Cables must drop through the bottom or from the end of the tray 5 The end
51. must be separated by at least 0 5 12 mm 6 Gradient cables must align to x 26 5 673 for all 128 3251 Maximum height Isocenter from finished floor 7 Signal and data cables must other interconnects gt lt ff n to top tray run on the left side of the cable i 31 5 800 tray so they do not cross over Gradient the gradient cables when dropping WA Siete haa 104 2642 into the electronics interface See notes Minimum on the magnet 6 and 7 height to 8 Minimum height is required at gt back of Magnet May lower to ig f at other points to avoid f ISDN obstructions les 2 System Interconnects Routing Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 6 4 Stacked Cable Trays Stacked Configuration Detail aA 10 254 Minimum distance from top of Notes 1 All dimensions in inches 2 Bracketed dimensions are in mm 3 In the stacked configuration electrical must run in the top tray and air gas and water must run in the lower tray 4 Minimum upper tray height of 104 2642 required to maintain minimum bend radius of 13 330 for gradient cables cable tray to ceiling or other obstruction 10 254 Minimum distance from top of cable tray to tray 13 330 5 4 128 3251 Height from finished floor to top o
52. must meet all RF Shielded Room and RF Grounding requirements e g track lighting is not recommended due to possible RF noise All lighting must use direct current DC must have less than 5 ripple 300 lux must be provided at the front of the magnet for patient access and above the magnet for servicing Fluorescent lighting must not be used in the Magnet Room Lighting must be adjusted using a discrete switch or a variable DC lighting controller SCR dimmers or rheostats must not be used DC LED lighting may be used if the power source is located outside the Magnet Room RF Shield Battery chargers e g used for emergency lighting must be located outside the Magnet Room Short filament length bulbs are recommended 10 Linear lamps are not recommended due to the high burnout rate 9 3 Grounding Requirements T The Penetration Panel Pen Wall and Secondary Pen Wall SPW are connected to the RF Common Ground Stud with the GE Healthcare supplied ground cable refer to Illustration 3 16Chapter 4 PEN and SPW Wall Opening Requirements RF Power Filters over 30 volts must be located within 40 in 1016 mm of the RF Common Ground Stud RF Power Filters of 30 volts or less may be located anywhere on the RF Shield All electrical devices e g outlets light fixtures etc must have a ground wire from device power source and be grounded to the RF Shield at the RF Common Ground Stud Resistance between any two grounded devices must
53. of the cable tray must be contained in the PEN closet cables must not rest directly on the wall opening 6 Length of any cable from end of cable tray to Unistrut must not exceed 12 305 Pen Closet 330 EN Min bend radius Gradient Cable Clamp SPW Side View End of Cable Support Cable Tray See note 3 Magnet Room Top View Equipment Room 13 330 9 End of Cable Min bend radius B Gradient Cables 2 Penetration Support Unistrut Panel Closet See notes 3 and 6 Magnet Room Top View 2 MR System Interconnects Routing Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 4 Equipment Room Requirements 1 2 All equipment interconnects must route overhead except helium hoses Cables hoses must drop through the bottom or off the end of the cable support directly to the top of the cabinets see individual components in Chapter 4 for height requirements Cable supports do not have minimum height restrictions except above Equipment room components to maintain the 13 in 330 mm bend radius drop to the cabinet The end of the gradient cable support must be parallel to the Secondary Pen Wall SPW The gradient cable support height and distance from the SPW must support a minimum cable bend radius of 13 in 330 mm to accommodate the gradient cable bend radius Excess cable length must be stored in the Equipment room F
54. operatoram vai pacientam Important Information GE Healthcare ISP JIMAS LT ADVARSEL NO OSTRZEZENIE PL Important Information Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Sis eksploatavimo vadovas yra tik anglu kalba e Jei kliento paslaug tiek jas reikalauja vadovo kita kalba ne angl suteikti vertimo paslaugas privalo klientas Nem ginkite atlikti jrangos technin s prie i ros jei neperskait te ar nesupratote io eksploatavimo vadovo e Jei nepaisysite io sp jimo galimi paslaug tiek jo operatoriaus ar paciento su a lojimai d l elektros oko mechanini ar kit pavoj Denne serviceh ndboken finnes bare p engelsk e Hvis kundens serviceleverand r har bruk for et annet spr k er det kundens ansvar s rge for oversettelse Ikke fors k reparere utstyret uten at denne servicehandboken er lest og forst tt e Manglende hensyn til denne advarselen kan f re til at serviceleverand ren oper at ren eller pasienten skades p grunn av elektrisk st t mekaniske eller andre farer Niniejszy podr cznik serwisowy dost pny jest jedynie w j zyku angielskim e Je li serwisant klienta wymaga j zyka innego ni angielski zapewnienie us ugi t u maczenia jest obowi zkiem klienta Nie pr bowa serwisowa urz dzenia bez zapoznania si z niniejszym podr cznikiem serwisowym
55. standard or long sweep 2 Expansion contraction joints must be provided for temperature decrease from ambient to 4 5 K 451 F or 268 C 3 A dielectric break must be installed above the waveguide a The dielectric break gap must be 1 0 0 25 inch 25 6 mm b Acustomer supplied wrap or clamp or the GE Healthcare supplied Ventglas may be used to connect the dielectric break If used the GE Healthcare supplied Ventglas and clamps 8 203 mm pipe only d The dielectric break must be accessible for inspection or maintenance 4 Allcomponents must be rated to withstand the helium flow reaction force at temperatures from ambient to 4 5 K 451 F or 268 C 5 Electromechanical fire dampers must not be used Fusible link fire dampers may be used with annual inspection 6 Exit of vent must be covered to prevent ingress of weather elements i e rain snow hail sand etc and foreign material debris i e leaves bird nests etc 7 Condensate must be prevented from pooling inside any section of the venting system 8 7 3 Vent Exit Cryogenic Burns or Asphyxiation During a quench extremely cold gas or particles are released from the cryogenic venting system A Quench may occur at any time Ensure access to cryogen vent exhaust area is restricted and the released gas does not reenter the building Refer to the specifications below 1 An exhaust area in front of the vent 20 feet 6 1 m long b
56. systems such as aircraft control Special care must be used when installing all fixtures penetrating the RF shield e g vents electrical conduit penetration panels to ensure the integrity of the RF shield is maintained 4 The Finished room includes the wall coverings ceiling tile ceiling grid other fixtures Magnet MAG and Patient Table PT When planning the finished room ensure the following a All building codes are met such as maintaining egress routes b Items which may cause RF interference such as fluorescent lighting are not used c Ferrous or metallic items which could become projectiles when the magnet is installed including wall coverings ceiling tile ceiling grid or other fixtures are not used or properly secured Illustration 3 1 Magnet Room Layers Chapter 3 Magnet Room 53 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 Magnet Room Structural Requirements This section lists the structural requirements that must be considered when performing site evaluation and planning of the Magnet room 2 1 Overview 1 When preparing a building plan or evaluating a potential site for an MR system care should be taken to so the MR suite will not interact with the surrounding environment i e magnetic acoustic and vibration 2 The customer is responsible for vibration testing required to verify suitability of a proposed site All test results and any questions regard
57. the SE performance of the RF shielded room 4 6 Reference Level and Dynamic Range 1 The reference level is the value of signal measured by the receiver equipment with the receiving antenna located at a prescribed distance from the transmit antenna and located outside of the shielded enclosure The dynamic range DR is the range of amplitudes over which the receive system operates linearly The dynamic range shall be at least 6dB greater than the SE to be measured For SE measurement the dynamic range is the difference of the reference level to the noise floor 4 7 Test Equipment Test equipment shall be selected to provide measuring capabilities as described in this test guideline The equipment used for the SE measurement shall be in calibration before any measurement is begun Dates of latest calibration shall be provided and shall be within the calibration cycle of the equipment Equipment calibration is required to be traceable to the National Institute of Standards and Technology NIST All equipment will be verified for proper operation between and after each series of tests by repeating the reference readings at the specified frequency Required equipment for transmit chain of measurement system a Frequency Synthesizer or Signal Generator b RF Power Amplifier if required c DC Power Supply if required d Tuned A 2 Dipole antenna 100 MHz Required equipment for receive chain of measurement system a Spectrum
58. traffic subway trains etc do not exist A vibration measurement must also be made during periods without traffic or during periods of light traffic Measurements must define the lowest levels of vibration possible at the site The source of any steady state vibration whose level exceeds the magnet specifications found in Chapter 3 Magnet Room Structural Requirements must be identified A second measurement should be made with all of the identified contributors powered down if possible In situations where it is not possible to power down equipment vibration data must be collected to identify the specific source of the vibration concern The majority of steady state vibration problems can be negated by isolating the vibration source 2 3 2 Normal Condition 1 All of the vibration measurements listed above must be repeated during periods of normal environmental conditions including the FFTs and time histories The transient measurements must be provided to define the dynamic disturbances the MR system may be exposed to Transient analysis is required for a true assessment of the site Special attention must be paid to the site assessment during the entire analysis Since transient vibration is not easily addressed once the MR suite is fully constructed the test consultant must fully understand the needs for this analysis The source of any transient vibration must be identified and supported with vibration plots If the source of any transie
59. 0 49 5 peo1 pd 80LC MdS 0 01 S1013 UNY 0001 Buuoyuoy YS inna 20L MdS 91 6 90013 uns 00521 44 2 885691 6 vF ZLLOT1S 80H Q3d 0 Se N3d OLEEIN UNY WWOOSEL JY tld E19 2 1075 8 0 OLEEIN uni vv 521 OLF UOW oi ELf Uad 02063 7 0 6915 X E 00011 11094 OF 601 20063 Und 6 70969 8 vid 812 00091 jewog Q2 1 zr bew oi Zpr ued LEEN tld tld 00006 22758 tld 19 1 4 0 8 063 uns ix 00021 094 0 8 60063 unu 2 896915 x 00001 0 8 60063 8926915 x HHHH 0098 4 01 pS U d SLEEW UNY LL 22606 S Snipey 216 puag 5 vis tld tld 3 SHOA uogeoyyag jn Chapter 6 MR System Interconnects 3 0 vision installati Tel Direction 5670001 Re Optima MR450w GE Healthcare System Cable List Page 4 Illustration 6 10 X tld 972 OMVZ 2 9 WMY 10 9MVOL 2 9 WWOOSEL 75221 17 2052414 2 10715
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61. 1 OZLC MdS 902 LIN un WWCOEP PWSUEIL 14 0122 5 SOELIN 81201 dM Ld PLOV 01 ZZLC MdS SOELIN un 00071 uogejueuingsu OLEP MdS 01 27 22063 uns E 0092 103009 YMS juiSuEJ 6f 2 6260869 LL 101S 80H Q3d N 22 5 BOEEN UNY WUJO0S 04009 USUEL 6 62606698 LV 1016 80 034 01 22 5 GOEEW uns 000 1 6 01 22 3 OLELIN und 9 2660669 00001 6f OvlW 01 2 OLELIN uny BAH OVIN 0 2 ZLELIN UNY BAH OVIN 0 PZP U8d MAG ZLELIN UNY unuio00tL OLC DVIW 01 9 0 N3d LLELIN 2 692418 S9 qe jeixeoo 009 71 i bid 14 SIND 14 SIO EE 3391333 1 eige jexeoo 961 4 00 000 _ 13 HWO ages exeo 66 1 00 000 tia MO ena jeixeoo GEANT Eod jeixeoo 561 ka Lm S qe2 GEANT 5661 00 000 _ eigeojexeoo 00 000 bla HO _ 661 bis WO Jeixeoo 56 1 VIN BIGED jeixeoo G61 3W 1 661 1 tld WIN Jeixeoo 61 VIN eixeoo
62. 20 VAC 50 60 Hz Connection type Hard wired in unit Chapter 5 Control Room 103 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 5 6 Oxygen Monitor OXY NOTE All dimensions are in inches All bracketed dimensions are in millimeters Graphic not to scale Maximum magnetic field can be located 100 Gauss 10mT Approximate Weight 9 Ibs 4 1 kg 0 50 7 25 12 7 184 2 j WARNING AUDIBLE MEANS OXYGEN LEVEL IS LOW IN MAGNET ROOM EVACUATE ALL PERSONNEL FROM AGNET ROOM UNTIL SAFE OXYGEN LEVEL 18 RESTORED Please RELAY RELEASE To Reset Featuring O2 ALARM Lamp FRONT VIEW SIDE VIEW 8 5 216 1 25 15 75 4425 1 1 0 25 4 25 108 0 875 22 12 0 10 75 304 8 DIA HOLES 273 MOUNTING PATTERN 0 375 9 5 LES 4 0 250 6 35 CIRCUIT IA HOLES BREAKERS 704 2 Oxygen Monitor OXY Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 2 Oxygen Monitor Sensor The Remote Oxygen Sensor Module must be mounted approximately 60 in 1524 mm above the Magnet Room floor near the front of the Magnet Enclosure Chapter 5 Control Room 105 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 5 7 Oxygen Monitor Sensor NOTE All dimensions are in inch
63. 26 38 59 0 670 1500 FRONT VIEW SIDE VIEW 70 7 Magnet Room Equipment Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 3 10 Optional Surgical Suite Transmobile Table m m Top View 25 82 in Side View Surgical Suite TransMobile Table Weight 850 Ibs 386 kg 7 3 Magnet Rundown Unit MRU Specifications and Requirements 1 Location The bottom edge of the MRU must be mounted 60 in 1524 mm above the Magnet room floor near the front of the magnet enclosure Weight 7 Ibs 3 2 kg 2 3 Magnetic field limit 200 gauss 20 mT 4 The MRU is installed by the facility contractor 5 The MRU requires the following facility supplied power NOTE Note An optional remote MRU may be installed outside the magnet room The remote MRU does not require facility power For more information refer to MRU vendor manual Table 3 4 MRU Facility Power Requirements Voltage Frequency 100 120 VAC 50 60 Hz 200 220 VAC 50 60 Hz Chapter 3 Magnet Room 71 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 3 11 Magnet Rundown Unit MRU Magnet Rundown Unit MRU All Dimensions are in inches Bracketed dimensions are in millimeters Front View Side View Power Access Cable Access me 1 4 35 9 1 2 30 46 117 9 Cable Access 0 2 2 7 5 6 68 8
64. 29 4 102 Scan Room Side Note 6 15 102 2027 Ground 9 H Y H RF Shield Material Stud 5 2 75 5 70 18 4 0 2 18 4 0 2 5 468 5 468 5 5 2 4 60 minimum a Exposed RF shield Equipment Room material all around 2 4 60 Side Minimum PEN SPW Wall Detail Opening Opening Wall See Notes 4 amp 5 Finished 61 3 0 2 61 3 10 2 Wall 1558 5 1558 5 Notes 1 Service Clearance Area extends 79 in 2007 mm above floor 2 PEN and SPW openings are the same size and the PEN SPW may be swapped to accommodate equipment room layout 3 Side view is from Equipment Room side 4 RF Shield Material must wrap around wall opening as shown 5 The Wall Detail cross section is not drawn to scale SPW Ground 6 Bolts are provided by screen room vendor and bolt holes are drilled at installation Bolt length varies by wall thickness Side View 7 PEN and SPW service area include area See Notes 2 amp 3 75in 05 42 214 required for blower box installation 190 mm 12 Equipment Room Floor 92 7 PEN and SPW Wall Opening Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 8 Cryocooler Compressor CRY Specifications Water cooling for the Cryocooler Compressor CRY is provided from the Heat Exchanger Cabinet HEC or facility supplied emergency backup water supply 1 Weig
65. 3 uns 215 10128uu02 117 Chapter 6 MR System Interconnects reinstallation Manual Direction 5670001 Revision 3 0 Optima MR450w GE Healthcare System Cable List Page 2 Illustration 6 8 9 qeo 006 T E e wuo0Sr jeubis 311 038 93 5 SLEEN 0092 L OLf orem HLOTS 80H Q3d 01 v r ued 9LECIN UNY xueiqur YL OLf 9 7260665 LLLOTS 80H G3d 9 FEC N3d 9LECIN und X tld v13 1 00021 1 494 0 5 90063 6 2 26915 x tld 00006 2 26915 dojs 3 9 4 01 OLC N3d 41063 uns x 00006 2 22269 5 x tld dois 3 9 4 01 41 91063 UNY tld x 00091 Ord D VW 01 9L LC MdS 2206 UNY rs PLC N3d 91 9 90063 uns 0066 Jewog 2 0666225 Lp MLW G3d 01 LLEEIW e e M o tld OWS 2 0 tld 2 6 9MVvI 0095 Jewog e ug 0666265 1 034 01 LLEEW 9 0 3 ZLEEIN un 9 01 ZLEEIN uns a weed LAMO 01 8 1 1 48 16063 uns rags Sjosuo 01 8LLC MdS LED
66. 4 9 Magnet Monitor MON 6 0 6 0 152 25 152 25 4 0 20 5 2 DIA 10 75 273 1 11 25 286 0 39 0 20 10 5 2 DIA DIA Y 11 1 0 94 el 282 2 24 0 MOUNTING PATTERN SSS icis 05 Service Air Flow 12 13 Access 305 Requirement Y RIGHT SIDE VIEW 1 10 25 260 Chapter 4 Equipment Room 0 5 3 12 305 77 Modem Option 150 12 381 305 FRONT VIEW All dimensions are in inches all bracketed dimensions are in millimeters 95 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 10 Brainwave Lite BW Specifications Illustration 4 10 Brainwave Lite Cabinet BW waa sw 1 24 0 All dimensions are in inches all bracketed 610 dimensions are in millimeters e Graphic not to scale Maximum magnetic field can be located 50 Gauss 5mT e Approximate weight 257 Ibs 117 kg GE provided configuration Up to approximately 75 LBS 34 KG OF 3rd Party provided audio visual equipment may be added to the cabinet e Indicates air flow e Indicates Center of Gravity e TOP VIEW Keyboard 36 0 Pullout Shelf amp 914 Service Access Requirement 22 0 559 10 0 23 25 254 12 0 for GE provieded 305 configuration amp for GE provieded with 75 Ibs 34
67. 6 2 Cable Bends and Obstructions Cable Bend Detail Obstruction Detail Notes 1 All dimensions are in inches 2 Bracketed dimensions are in mm 3 Only one tray shown for clarity 4 Obstructions must be less than 10 254 wide 5 Obstructions must have at 13 least 10 254 clearance on each side 6 Obstructions must be at least 1 25 above the top of the tray 7 Bend radius must be maintained at all track or gradient cable bends 8 Minimum height is required at back of Magnet May be lower to at other points to avoid obstructions 9 HVAC vents shown other obstuctions may include water pipes gas pipes lighting 7 fixtures etc 10 10 10 254 254 254 13 330 See 7 104 2642 Minimum Obstruction Detail gt height to finished floor S tes 4 5 and 6 5 nois 8 See notes 4 5 and 6 Chapter 6 MR System Interconnects 111 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 2 Magnet Room Requirements 112 Illustration 6 3 Cable Track Requirements Magnet Interface Detail Side by Side Cable Trays 0 5 12 See note 6 10 3251 Minimum distance from top of cable tray to ceiling or other obstruction Notes 1 All dimensions are in inches 2 Bracketed dimensions are in mm 3 Two 18 457 ladder trays shown 4 Maximum spacing between rungs or to Unistrut must be 12 305 5 Side by side trays
68. 8 C with 40 propylene glycol water 3730 J kg K specific heat 1021 kg m density 49 kW heat 87 psi 6 bar Minimum 49 KW Facility Plumbing to the HEC must be properly routed and insulated to prevent equipment damage or safety hazards 7 5 KW 44 6 to 50 F 7 to 10 C measured at the inlet to the HEC 1 5 inch 38 1 mm minimum hose inside diameter 1 5 inch 38 1 mm male NPT 10 Facility Coolant Requirements GE Healthcare Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Illustration 2 13 Allowable Facility Water Temperature and Flow Allowable Facility Water Temperature and Flow Temperature C Flow gpm 44 45 44 6 0 40 Propylene Glycol 46 47 48 Temperature F 49 Illustration 2 14 Pressure Drop through HEC 110 5 115 5 Pressure psig 28 30 Chapter 2 General System Level Pressure Drop Through HEC Data for 40 PGW 1021kg m 3 Flowrate L min 120 6 125 5 31 32 33 34 Flowrate gpm 130 5 132 Flow L min r 114 50 135 5 HEC ___ Cooling 3 255 C 28 HEC Min Cooling 158 2 1 4 0 5 0 35 36 43 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 15 Temperature Rise through HEC 4096 PGW Temperature Rise Through HEC MR450w 40 PGW 3730J kg K 1021kg m 3 Flowrate L min 110 5 115 5 120 5 125 5 130 5 135 5 140 5 _ Heat Load 49k
69. 93 9 4 90 CIN uns WWOOSLE PvMLZ qnH3H 91 2 1 22165 211075 01 09 Z0 IN uns WWOOSEL PvMLZ Sr 17216 X x LLOTS 8nH Q3d 0 05 Z0 IN un v9vZ 22 10 9MVOL tld 972 22 x 10 9MVOL tld 9 2 22 WMY 10 9MVOL OMVCC WMY 00561 726 qnd Of 86821419 211075 01 BOEEN uns 008 1 SMEL eod QNHIY 26991119 2 211018 80 034 01 4 vOEEIN uns v9vz 22 2 9 10 2 9 tld v9vc 2 9 IN 9MVOL 2 9 WWOOSEL IMEL QNHIY 68691118 x 2 211018 801 03 0 89 34 FOEEIN UNY 0024 ZMvZ t OE60tts OLF IWGO L D VW 0 25 LOCEN und H 002 LM pz OLF WO L O VIN 01 29 LOEEIN tld C10 22 2 21 OMVZL 2 2 2 2 x OMYZ 2 2 212 9MVec 2 21 0 9 4Mrz x x OMWZL 2 2 WAL 6f WOL OVW 01 LSt N3d 00EeN tld 219 22 9 44 94 0021 LMpZ x x OMVZL 2 2 WAL 6P WOL DVW 01 0 IE mem 10 90L MdS 91 6LELIN NO 1
70. EN 9108000 LOVIN 01 8L 1448 LEOEIN uad Lf USd 0 91 94 0003 und 0 91 9 0003 una MdS 01 5 JjO 3 06063 UNY ST 0015 3 MS 2000 0 02 1063 UNY 3 MS HO 3 91 SLLE MdS 06063 mM f M9d 0 ZEZSH O 1d O3H 82063 uns wm 01 201 0003 bis WIN 24 preius WWEZSIL 9 6020665 91 90 5 0 6 10013 EIE IL 4 snipey 10 0 9216 puag 5 22 M ei x ej o L e M NJI N WM E u g 5 3 MR System Cable Specifications 118 3 0 Manual reinstallation Direction 5670001 Revision Optima MR450w System Cable List Page 3 Illustration 6 9 119 iin 01 OECIN UNY Bis eT HS tf OVIW 01 ZOEEIN UNY Na 45 01 ZOEEIN un VIN 0068
71. GE Optima MR450w Preinstallation Manual OPERATING DOCUMENTATION 5670001 Revision 3 0 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 005 20 STRONG MAGNETIC FIELD NO PACEMAKERS NO METALLIC IMPLANTS Persons with pacemakers neurostimulators or metalic implants must not enter the magnet area Serious injury may result NO LOOSE METAL OBJECTS Iron and steel materials must not be taken into the magent area Serious injury or property damage may result Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Important Information LANGUAGE e BG H e ce AR GEE FE A
72. GE Healthcare Direction 5670001 Revision 3 0 Chapter 2 General System Level 1 Upgrade Requirements When planning for the installation the Optima MR450w system in an existing GE Healthcare MR suite all requirements in this manual must be met Ensure the following NOTE When planning installation in a non GE Healthcare MR suite all requirements in this manual must be met 1 Forthe vibration environmental assessment the magnetic field stability tests HSS tool can be used for GE cylindrical magnets only 2 Remove cover or fill in abandoned ducts or troughs and remove access computer room flooring from the Equipment and Magnet rooms The VibroAcoustic dampening kit must be surface mounted Cable trays must have a clear path in the Magnet Room see Chapter 6 MR System Interconnects Routing Requirements Move HVAC duct sprinkler pipe lights etc if necessary 5 RF vendor responsibilities a Dock anchor placement anchor is located after magnet installation b The RF shield ceiling must support the cable routing mechanism and cables Reinforce RF shield ceiling see Chapter 6 MR System Interconnects Routing Requirements c Dielectric breaks are required to support the cable trays d Two penetration panel openings are required and must meet the requirements in Chapter 4 PEN and SPW Wall Opening Requirements includes PEN and SPW panels e RF shield attenuation must comply with Chapter 3 RF Shielded Room Requirements
73. Healthcare or non GE Healthcare MR systems RFSide Shared Equipment Room Top View PEN Panel 118 3000 s eee PEN Panel 2 m Shared Equipment Room Top View Chapter 2 General System Level 39 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 9 MR Suite Temperature and Humidity Equipment Failure Failure to maintain the required temperature or humidity at all times i e both working and non working hours may result in equipment failure scanning failure or warranty void Ensure the HVAC system has the correct capacity for the room size equipment heat output and environmental conditions to maintain proper temperature and humidity This section provides temperature and humidity requirements for the MR suite Specific construction requirements for each room can be found in the following sections e Magnet Room e Equipment Room Control Room 9 1 Temperature and Humidity Requirements Table 2 7 Room Temperature and Humidity Requirements Range F C Change F Hr Change RH Hr 5 Equipment Room Inlet to Equipment 59 89 6 15 32 5 3 5 Magnet Room 59 69 8 15 21 5 3 Operator Room 59 89 6 15 32 5 3 30 70 Notes 1 Operating temperature gradient limits shall be between 5 F Hr 3 C Hr and 5 F Hr 3
74. Ibs 3 150 j The anchor rod must not extend less than 1 75 50 mm above the finished floor k The anchor rod must not extend more than 2 75 in 70 mm above the finished floor The RF shield vendor must perform a pull test on each anchor equal to the clamping force the following tests Results must be provided to the GE Healthcare Project Manager of Installation PMI 5 4 4 RF Shielding Integrity Reliability Requirements 1 Ensure joints and mechanical connections remain secure a All solder joints clean and properly prepared b All mechanical fasteners sufficiently tightened and secured c Donotuse rivets or self tapping screws as these tend to loosen over time due to vibration Prevent RF shield corrosion a Avoid contact between dissimilar metals b Ensure all joints and seams are properly dressed using proper materials NOTE Sacrificial anodes are recommended Doors and door frames must be structurally stiff to prevent physical changes to the RF shield 5 RF Shielded Room Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 6 Finished Room Requirements Personnel Injury or Equipment Damage Metallic objects may become projectiles if not properly secured Remove or properly secure any metallic objects within the finished room 1 Non ferrous non metallic materials or components should be used in the Magnet room 2 Ferrous components or material in the Magnet room th
75. K 15 F 90 standard sweep elbow K 30 F 45 long sweep elbow K 7 5 F 90 long sweep elbow K 15 F 156 8 Magnet Cryogenic Venting Pressure Drop Reference Tables 2010 General Electric Company GE Medical Systems a General Electric Company going to market as GE Healthcare 3200 N Grandview Boulevard Waukesha Wisconsin 53188 USA www gehealthcare com
76. Minimum Ceiling Height Dimensions in inches Bracketed dimensions are in milimeters 48 137 3480 97 2464 10 41 33 5 254 1041 m 851 gt 1 Floor to Ceiling Minimum Height in Shaded Area 105 2667 91 2311 Isocenter 45 5 1156 33 5 103 5 851 24 3 MR Suite Minimum Room Size Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 3 Surgical Suite Optional Area Additional Service Area for Surgical Suite Option All Dimensions in inches Bracketed dimensions are in milimeters Additional space required for docking the surgical suite option TransMobile table to the Patient All other Minimum Magnet Service Areas remain the same NOTE Contact the GE Healthcare Project Manager of Installation for additional information or to request designs Chapter 2 General System Level 25 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 EMC Compliance 26 Per IEC 60601 1 2 Edition 2 1 Medical Electrical Equipment requires special precautions regarding Electromagnetic Compatibility EMC and must be installed and put into service according to the EMC information provided in the following tables Full declaration is stored on site in the user manual delivered with the system The MR system is designed and tested to the fol
77. Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 3 RF Shielding Guidelines RF sources which can adversely affect image quality may be generated by discrete frequency or broadband noise RF sources 3 1 Discrete RF Interference Discrete RF interferences are narrowband and are fixed frequency in nature The Magnet Room must be RF shielded from RFI sources so external RF energy does not degrade the MR system RF receivers at the system imaging frequencies Some potential sources for discrete frequency signals are radio station transmitters mobile or hand held RF transmitting devices in general any intended RF transmitter or non intended transmitters but with clocked digital electronic circuits 3 2 Broadband RF Interference Broadband RF noise is a single transient or continuous series of transient disturbances caused by an electrical discharge Low humidity environmental conditions will have higher probability of electrical discharge The electrical discharge can occur due to electrical arcing micro arcing or merely a static discharge Some potential sources capable of producing electrical discharge include 1 Loose hardware fasteners vibration or movement electrical continuity must always be maintained 2 Flooring material including raised access flooring panels amp support hardware and carpeting 3 Electrical fixtures including a b C d e Lighting fixtures Track lighting Emergency lighting
78. R450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 4 Magnetic Fringe Field Side View Magnet Y Isocenter 20006 400G 200 G 100 G G 306 106 56 236 in 6000 197 in 5000 157 4000 118 3000 79 in 2000 mm 39 in 1000 mm 0 39 in 1000 mm 79 in 2000 mm 118 in 3000 mm 157 in 4000 mm 197 in 5000 mm 354 315in 276in 236in 197 157in 118in 79in 39 0 39in 79 118 157in 197 236in 276in 315in 354in 9000 mm 8000 mm 7000 mm 6000 mm 5000 mm 4000 mm 3000 mm 2000 mm 1000 mm 1000 mm 2000 mm 3000 mm 4000 mm 5000 mm 6000 mm 7000 mm 8000 mm 9000 mm 30 7 MR Suite Magnetic Field Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 5 Magnetic Fringe Field Top View Magnet Isocenter Z 20006 4006 200G 1006 354 in 9000 y 50G 315 in 8000 mm 306 216 in 7000 106 236 in 6000 mm 56 197 in 5000 mm 157 in 4000 mm 118 in 3000 mm T9 in 2000 mm 39 in 1000 mm 0 39 in 1000 mm ik 19 2000 118 in 3000 mm 157 in 4000 mm 197 in 5000 mm
79. R450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 4 6 Secondary Penetration Wall SPW 182 48 mm 1 9 61 in 244 mm Equipment Room Scan Room 9 28 in 235 6 mm 5 95 in 6 7 in 151 2mm 77222777 1703 mm 1 12 17 in 309 mm t i 57 2 in 60 53 in 1452 9 mm 1537 5 mm 56 49 in 1434 8 mm 54 37 in 1381 mm Y i 1 1 1 8420 T ja 30in 213 8 mm Ground 12 64 7 78 in 3183 in 76 1 mm I Point 321 mm 197 6 mm 12 53 mm e X 20 31 in 20 31 in sss ER 5159 mm 5159 mm 2mm Cable Clearance Cable Clearance Chapter 4 Equipment Room 91 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 7 PEN and SPW Wall Opening Requirements 1 The Equipment Room and the Magnet Room must share at least one common wall to mount the PEN panel and SPW 2 The penetration panel opening requirements are shown in Illustration 4 7 Illustration 4 7 PEN and SPW Panel Openings PEN and SPW Panel Openings Dimensions in inches Bracketed dimensions are in millimeters Potential obstruction Potential obstruction such as soffit column etc 2 75 70 such as soffit column etc Maximum wall thickness in the Service Clearance area 15 0 102 Magnet Room 227222722 22222 Equipment Room Finished 15 0 102 Service Clearance Area 15 0 102 Wall See Notes 1 7 Top View gt 72 18
80. RERR XC BUTS ZH CN DEIR 5 7625 9837 811888 EE RS RI BEN AE NUUS S SCR RES Bo AB BRAS F RBS NC BUS ZH HK EUR ERE RIECSHARBSRRAARAA 0T QUSE RAS BMA wie We eu ZH TW BSP HHS BREL 5 ERE XE MES TF TS BARABARS BH su ms UPOZORENJE Ovaj servisni priru nik dostupan je na engleskom jeziku HR Ako davatelj usluge klijenta treba neki drugi jezik klijent je du an osigurati prijevod e poku avajte servisirati opremu ako niste u potpunosti pro itali i razumjeli ovaj ser visni priru nik e Zanemarite li ovo upozorenje mo e do i do ozljede davatelja usluge operatera ili pacijenta uslijed strujnog udara mehani kih ili drugih rizika Important Information 3 GE Healthcare VYSTRAHA CS ADVARSEL DA WAARSCHUWING NL WARNING EN HOIATUS ET Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Tento provozn n vod existuje pouze v anglick m jazyce V p pad Ze extern slu ba z kazn k m pot ebuje n vod v jin m jazyce je zaji t n p ekladu do odpov daj c ho jazyka kolem z kazn ka Nesna te se o dr bu tohoto za zen ani byste si p e
81. Separation in meters between single phase conductors or greatest separation between three phase conductors d Minimum distance in meters from the feeder lines to isocenter of the magnet Illustration 2 10 Magnet Allowable Milligauss vs Line Frequency for AC Equipment AC Field EMI Limits 25 20 15 Miligauss 10 Excitation Frequency Hz Refer to Chapter 7 Sample Calculation AC Power Equipment Minimum Distance for additional examples 36 7 MR Suite Magnetic Field Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 7 4 Non MR System Equipment Sensitivity to Magnetic Fields This section lists equipment known to be sensitive to high magnetic fields Recommended limits given are based on general MR site planning guidelines Actual susceptibility of specific devices may vary significantly depending on electrical design orientation of the device relative to the magnetic field and the degree of interference considered unacceptable The table is provided as a guide only Actual Gauss limits are equipment specific refer to the OEM manuals Site plans must include consideration for magnetic field interaction with customer equipment NOTE Gauss limits for MR system equipment is provided with the specifications for each component Table 2 6 Magnetic Proximity Limits wmm E hmm E Chapter 2 General System Level 37 Optima MR450w
82. The vendor instructions and torque to the maximum recommended level for the anchor selected in Step 2 must be provided to the RF Shield Room vendor for proper installation of the anchor and equipment Illustration 7 11 Allowable Anchor Loads in Concrete English Units ANCHOR 2000 psi 13 8 MPa 3000 psi 20 7 MPa 4000 psi 27 6 MPa 6000 psi 41 4 MPa DIAMETER DEPTH in mm TENSION TENSION TENSION TENSION See Note 1 in mm Ib kN Ib kN Ib kN Ib kN 23 4 1250 2800 1600 3070 1810 3330 1920 3330 70 5 6 12 5 7 1 13 7 8 1 14 8 8 5 12 5 5 8 4 1870 3330 2400 3330 2930 3330 3200 3330 15 9 102 8 3 14 8 10 7 14 8 13 0 14 8 14 2 12 5 7 2500 3330 3010 3330 3650 3330 3650 3330 178 11 2 14 8 13 4 14 8 16 2 14 8 16 2 12 5 3 1 4 1550 2880 1950 3310 2350 3730 2610 4800 83 6 9 12 8 8 7 14 7 10 5 16 6 11 6 21 4 3 4 43 4 2510 4510 3250 4650 3870 4800 4670 4800 191 121 11 2 20 1 14 5 20 7 17 2 21 4 20 8 21 4 8 2930 4800 3870 4800 4530 4800 5120 4800 203 13 0 21 4 17 2 21 4 20 2 21 4 22 8 214 6 4400 7470 6400 7470 7200 7470 7330 7470 152 19 6 33 2 28 5 33 2 32 0 33 2 32 6 33 2 9 5600 7470 8000 7470 9390 7470 9390 7470 229 24 9 33 2 35 59 33 2 41 77 33 2 41 8 33 2 Note 1 All shaded values fail to meet the clamping force tension therefore not acceptable anchors
83. V 0 2 SMW 9 2 1 SMV 0 2 SMW 951 0 2 9 SMW 0 2 OMY 9 SMV 0 2 SMW 9 0 2 SMV 9 OI 0 2 SMV 9 OI 0 2 Sir SMV 9 OI 0 2 SMV 9 OI 0 2 Sir 00001 6 01 20023 und RA zorgus 4 8217 5 20013 UNY JY 817 9 01 821 5 20013 UNY dinb3 77 61263 moneam __ dinb3 gLeg3 UNY 55 55 dinb3 11223 ung wooy dinb3 7 juerpeio 6 263 UNY wooy dinb3 aigeo APLI 81263 uns wooy dinb3 3uerpeJ 11263 uns UEIS 2 GLEEN UNY vont UEIS BIGED APELIO BLES uns __ _ UEIS X QL un 26 77 GED 1USIpEJO 6LEEIA UNY UEIS A 10 BLESW UNY UEIS X WeIPEID 7 Lec emer ir 01 OWI SZOZIN uns ondo seqy NYO o1 920234 und seocaum 3
84. W Temperature Rise F Temperature Rise C Min Heat Load 7 5KW T 1 29 30 31 32 33 34 35 36 37 38 Flowrate gpm Illustration 2 16 Temperature Rise through HEC 0 PGW Table 2 11 Water Quality 44 10 Facility Coolant Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 6 0 to 7 0 10 ppm 100 micron with field changeable filter Illustration 2 17 MR System Water Cooling Block Diagram Flow Meter Customer Supplied RF Shield Suppy Secondary Penetration Retum Filter 4 Wall SPW Customer Supplied Air Cooling Run Hose Through Waveguide Facility Chilled Water Customer Supplied Piping Air Cooling __ 7 4 Water Cooling Backup Supply Connections Gradient Coil Water XRM Cooling Water Cooling Power Heat Gradient Exchanger RF Cabinet Cabinet PGR HEC Cryocooler Compressor CRY Magnet MAG SN Equipment Room Magnet Room 10 2 Emergency Facility Coolant Requirements The facility may provide an optional backup coolant supply in one of the following configurations 1 Full system functionality Backup coolant is routed through the HEC and meets all HEC coolant requirements above 2 Cryocooler operation only Backup coolant is routed through the HEC and meets all HEC coolant requirements except temperature Temperature must meet t
85. a reasonable degree of certainty the maximum field strength To ensure that RF noise peaks outside the bandwidths specified above do not actually extend into these bandwidths and exceed the 100 millivolt per meter limit adjust the resolution of the test equipment spectrum analyzer according to the equation BW resolution fy 50 where BW Bandwidth resolution fy Center frequency for 1H at 1 5 Tesla 63 86 MHz 5 RF Shielded Room Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 3 Customer Responsibilities 1 The customer is responsible for contracting with a RF Shielding Enclosure vendor to design install test the RF shielded room including installation of dock anchor and magnet anchors if required On request the GE Healthcare Project Manager of Installation PMI can supply a list of RF Shielding enclosure vendors NOTE RF shield not be in a temperature or humidity controlled environment Shielding shield support and associated components must be installed to prevent degradation over the life of the MR system The customer is responsible for maintenance and repair of RF shielded room to include but not limited to shielding effectiveness SE doorthreshold and door seal pressure equalization vent operation for the life of the MR System All RF shield designs must be provided to the GE Healthcare Project Manager of Installation PMI
86. agnet MAG and Patient Transport 8 189 4 095 Table _ 2 400 1 200 17913 1561 Blower Box Box 1 535 450 1 535 450 1 535 1 535 450 Penetration Panel Cabinet PEN 1 024 300 512 150 10 697 5 349 5 349 3 135 1 568 1 568 Penetration Wall SPW Main Disconnect Panel Main Disconnect Panel MDP 901 264 264 450 132 450 132 Power Gradient RF Cabinet PGR 20 940 10 470 8 530 pere 137 3 068 2500 Compressor CRY Compressor CRY 706 1 706 500 1 706 500 1 706 eo oS Heat Exchanger Cabinet HEC 3 412 Magnet Monitor MON Monitor MON 819 819 240 819 240 819 Table 2 9 System Options Heat Output for Air Cooling Component Magnet Room Equipment Room Control Room BTU hr W BTU hr W BTU hr W sime aima sarum BrainWave HW Lite Cabinet BW 2337 685 base 2781 815 with op tions Chapter 2 General System Level 41 GE Healthcare Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 10 Facility Coolant Requirements NOTICE Equipment Failure A continuous supply of facility liquid coolant to the Heat Exchanger Cabinet HEC is required at all times for proper system operation Failure to provide liquid coolant with the requirements listed in this section may cause equipment failure 10 1 Heat Exchanger Cabinet HEC Cool
87. anel and not brought to the Power Gradient Reconstruction cabinet PGR or the Heat Exchanger Cabinet HEC A 3 phase DELTA with Ground 4 wire Phase Balance Difference between the highest phase line to line voltage and the lowest phase line to line voltage must not exceed 296 Regulation 296 maximum at system maximum power demand averaged over 5 seconds from Source to PDU input i e includes all feeders and transformer to utility Facility Zero Voltage The facility ground for the MR system must originate at the system power source Reference Ground i e transformer or first access point of power into the facility and be continuous to the MR system Main Disconnect Panel MDP in the room Main facility ground conductor to Main Disconnect Panel MDP must be appro priately sized insulated copper wire Ground impedance to earth at power source to be 2 ohms or less Power Demand Maximum Momentary 123 5 sec consisting of 103 kVA for PDU and 20 kVA for HEC Maximum Continuous while 99 kVA consisting of 79 kVA for PDU and 20 kVA for HEC scanning Standby no scan No more than 17 Power Availability Continuous Facility power is required at all times for operation of the Heat Exchanger Cabinet HEC and Cryocooler CRY MDP Circuit Breaker CB 1 200 Amps 2 150 Amps CB 3 50 Amps MDP Short Circuit Cur 25 000 Amps rent Rating Chapter 2 General System Level 47 48 Optima MR450w Preinsta
88. ansmitters and mobile RF transmitting devices Magnet room RF shielding prevents external RF energy from entering the room and degrading the MR system RF receivers Electromagnetic Environment The totality of electromagnetic phenomena existing at a given location Plane Wave An electromagnetic wave which predominates in the far field region from an antenna or source and with a wave front which is essentially a flat plane Penetration The passage through a partition or wall of an equipment or enclosure by a wire cable pipe waveguide or other conductive object Shield A housing screen or cover which substantially reduces the coupling of electric and magnetic fields into or out of circuits or prevents the accidental contact of objects or persons with parts or components operating at hazardous voltage levels Shielding Enclosure Faraday Cage An area box room or building specifically designed to attenuate electromagnetic radiation or electromagnetic radiation and acoustical emanations originating either inside or outside the area Chapter 3 Magnet Room 59 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Shielding Effectiveness SE A measure of the reduction or attenuation in the electromagnetic field strength at a point in space caused by the insertion of a shield between the source and that point 5 2 Ambient Radio Frequency Interference RFI Requirements 60 The MR Syste
89. ant Requirements 1 The facility must provide liquid coolant to the Heat Exchanger Cabinet HEC The facility must provide pipe hose filter and connectors to the HEC 2 3 The facility must provide an uninterrupted supply of liquid coolant to the HEC at magnet delivery 4 The vertical distance between the coolant connection points of the HEC and the Gradient Coil must be less than 196 8 in 5 meters 5 customer must provide and install an in line flow meter on either the supply or return facility coolant hose The flow meter must be capable of visually displaying volumetric flow between 20 and 50 gpm 76 and 189 L min and configured for the properties of the cooling fluid in use Table 2 10 Facility Liquid Coolant Requirements Parameter Availability Antifreeze Minimum Flow Maximum Flow Maximum Pressure Drop in HEC at Mini mum Flow 34 8 psi 2 4 bar with 40 propylene glycol water 1021 kg m density Maximum Pressure Drop in HEC at Max 47 8 psi 3 3 bar with 40 propylene glycol water 1021 kg m density Temperature rise at Minimum Flow Temperature rise at Maximum Flow Maximum Inlet Pressure to HEC Chiller Size Condensation Protection Minimum Continuous Heat Load Inlet Temperature Customer supplied feeder hose from main water supply to HEC Hose connections to the HEC 42 12 2 F 6 8 C with 4096 propylene glycol water 3730 J kg K specific heat 1021 kg m density 49 kW heat 10 4 F 5
90. arty wall or side walls would require acoustic noise attenuation in the form of inline silencers Gaps and cracks would be sealed between the ceiling party wall or vertical side walls and the cryogen vent plumbing In essence the Magnet would be enclosed in a drywall doghouse 5 2 2 3 Miscellaneous Plumbing RF Windows and RF Doors Other construction details are equally important to mitigate noise transmission to meet the intended goal e Pipes gas or water and electrical conduit or Magnet Room signal cables must be sealed where they penetrate the walls or ceiling A heavy mastic material such as Duxseal is appropriate Chapter 7 Appendicies 149 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 RF windows should be purchased as window frame units with an STC rating obtained from laboratory testing per ASTM standards STC 50 to 60 windows are needed The installation must include proper sealing to avoid sound leaks RF doors should be selected to provide an STC 50 to 60 to quell the noise Contact RF Shield Room supplier for selection of RF doors that meet the local acoustic codes and site acoustic requirements RF door seals must be selected to prevent small gaps around the door perimeter and at the door threshold RF door seals would either require periodic replacement or a door seal that would last the life of the Magnet Room 150 5 Acoustic Background and Design Guidelines Optima MR450
91. at could be removed for servicing cleaning or replacement must be secured to prevent the ferrous material from becoming a projectile ferrous components or material must also be identified as ferrous to prevent untrained personnel from working on the ferrous material while the magnet is energized 6 1 Walls 1 GE Healthcare recommends wall coverings to protect the RF shielding wall coverings may be removable if required to access the RF shield 2 Metallic electrical conduit inside walls and ceilings may be used Conduit for receptacles must be metallic 3 enclosure i e PEN closet must be provided to restrict access to the PEN wall and for storage of excess interconnections a The PEN closet must have a mechanical locking mechanism to restrict access to the PEN panels b The PEN closet must enclose the minimum service area in the Magnet room as shown in Chapter 4 PEN and SPW Wall Opening Requirements The PEN closet may be expanded to provide an area for excess cable storage with the following requirements i Excess cable must not be stored within the minimum service area ii Excess cable must not interfere with access or servicing of the PEN panel SPW iii The area within the PEN closet to store the cable should be sized to accept a 22 in 559 mm cable loop 2x the minimum bend radius of the largest cable d PEN closet must allow free air exchange of 400cfm 680 m hour between the Magnet room and PEN clos
92. c 22 3 MR Suite Minimum Room Size 1 23 4 26 5 MR System Seismic 27 6 MR Suite Acoustic 5 28 6 1 Acoustic Specifications i at ER ER ER D REEL YR REX RE XXE RR RR 28 6 2 Structureborne Vibration Control 28 7 MR Suite Magnetic Field 2 2 2 2 1 1 1 1 1 1 1 01 44 rhe reete 29 751 Magnetic Fririge Eleld cite cA Hetero esu E E E dees 29 7 2 Interference from Changing Magnetic 32 T Electrical Curente a a bo oct AG opu 36 7 4 Non MR System Equipment Sensitivity to Magnetic 37 8 Multiple MR System nnne r rer h nenn Enne 38 8 1 Multiple Magn els rtt aen en i ER RR DIR REIR RA RUN E VEENA aa DR DIT MM 38 8 2 Shared Equipment 38 9 MR Suite Temperature and
93. c51081 Ch 2 Sec 3 Updated Ch 2 Sec 3 2 2 to remove 11 optional ceiling height requirement MRIhc47102 Ch 4 Sec 11 Changed input power requirements to MDP 415 400 380 VAC MRIhc47103 50 Hz MRIhc49467 Ch Sec 5 5 5 6 Updated Illustration 3 3 Magnet or Dock Anchor Mounting De tails to show magnet feet flush with the floor MRIhc50449 Ch 3 Sec 5 5 5 6 Added maximum bolt length to both sections MRIhc51083 Ch 3 Sec 4 Clarified text MRIhc51455 Ch 3 Sec 7 3 Added remote MRU note MRIhc51974 Ch 3 Sec 6 1 Added air flow rate of 400CFM into the PEN closet MRIhc48846 Ch 2 Sec 5 Ch 7 RF Shielded room requirements updated RF shielded room Sec 3 and 4 testing guidelines updated MRIhc50268 Ch 6 Sec 2 Cable tray requirements updated MRIhc51454 Multiple A Pen Panels should be 118 3000 in illustration 2 11 B 5 127 should be 2 5 64 in ill 3 6 C Illustration titles 2 7 and 2 8 are reversed top side views MRIhc51746 Ch 2 Sec 10 icum uii MRIhc51080 Ch 6 Sec 3 MRIhc51082 Ch 4 Sec 2 Clarified cable strain relief dimensions on PGR cabinet MRIhc51352 Ch 2 Sec 11 Ill Clarified that E Off location and wiring is determined by cus 2 14 Ch 6 Sec 4 III tomer 6 11 MRIhc51413 Ch Sec 2 III 2 1 Ch 3 Sec 7 2 MRIhc49328 Ch 3 Sec 6 MRIhc51413 MRIhc49327 Ch 2 Sec 10 2 Added charts for coolant specifications for clarity Removed Ventglas requirement for dielectric break outside Magnet room
94. cations Facility Power Facility power to MRU Chapter 3 Magnet Room Equipment Specifications GE Healthcare E Off Switch in Con Facility must supply additional wiring Chapter 2 MR Suite Electri Supplied Cable trol room or Equip between the GE Healthcare sup cal Requirements from SPW ment room plied cable and the E Off switch if the length needed is greater than the usable length listed in MR System Interconnects Specifications Table 6 7 Optional Facility Supplied System Interconnects Facility Power Outlet near MRE Facility outlet for MRE power option Chapter 4 Magnetic Resonance al not shown Elastography MRE Specifica tions Chapter 6 MR System Interconnects 125 GE Healthcare Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Illustration 6 15 Facility Supplied System Interconnects Notes 1 Illustration is not to scale and component positioning interconnect runs are typical 2 Solid lines are facility required interconnects dashed lines are GE Healthcare supplied interconnects shown for clarity 3 Only GE Healthcare equipment interconnects are shown Additional facility interconnects are required for non GE Healthcare equipment e g Magnet room DC Lighting 4 E Off button placement and cable routing shown indicates one possible configuration Final E Off button placement and cable routing is the responsibility of the Facility Supplied System Interconnects C04
95. cifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 3 Power Gradient RF Cabinet PGR Specifications 1 Weight 3144 Ibs 1426 kg 2 Magnetic Field Limit 50 Gauss 5 mT Illustration 4 3 Power Gradient RF PGR Cabinet Power Gradient RF Cabinet PGR Top View All Dimensions are in inches 4 102 Bracketed dimensions are in milimeters Service Clearance 8 8 47 3 7 5 5 119 lt i Detail 5 5 2 51 5 Cabinet Front 5 incoming Poser 5 S From MDP 5 5 2 2 1 t Cabinet Front 47 15 Service Clearance 119 38 15 381 9 587 40 ley 15 381 15 381 31 75 806 5 Clearance _____________________ 8 203 Cable Strain Relief 6 152 Service Clearance t 36 34 33 914 872 8 8 S I Service Clearance I c 8 Front View 9 Side View 8 c 5 5 Cabinet 5 448 E 8 Front 5 a 2 1895 2 2 lt Center of Gravity 28 38 720 8 Mounting Hole Detail 3 94 26 77 788 15 75 651 1063 1063 100 880 2001 400 165 4 gt M 270 lt 270 4 3 4 Front Floor All M12 x 1 75 mm Mounting Holes 1 6 40 6 Cabinet Front Cabinet Side Same both sides Chapter 4 Equipment Room 85 Optima MR450w Prei
96. ctrical resistance essentially disappears at temperatures near zero Kelvin A commonly used superconductor in magnetic resonance imaging system magnets is niobium titanium embedded in a copper matrix Tesla The internationally accepted unit of magnetic flux density One tesla is equal to 10 000 gauss One milli Tesla is equal to 10 gauss Chapter 7 Appendicies 129 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 MRSite Vibration Test Guidelines 2 1 Test Measurements 1 Vibration measurements must be in the range of 10 g Test equipment must have the required sensitivity to these levels Instrumentation must have a low tolerance to temperature effects since many times the low frequency thermal drift may influence the measurements All measured data must be acquired real time Recording of vibration data will not allow for a proper site survey specifically when studying transient vibration and when searching for specific vibration sources All analyses must be narrow band Fast Fourier Transforms FFT over the frequency bands listed in Table 7 1 Time histories of the vibration must be recorded as acceleration levels vs time The resolution of the time history must be adjusted to clearly capture the transient event The analyzer set up will be site dependent and in special cases vibration response dependent It is the responsibility of the vibration consultant to study the transient environm
97. decorative materials used to cover the wall panels must be porous so that sound waves can pass through with ease In principle a person should be able to breath through the material with ease Fire retardant cloth should be used The NRC Noise Reduction Coefficient of the panels should be 0 95 or better when mounted against a hard surface such as drywall or concrete 5 2 2 Inter Spacial Areas Acoustic Noise Control to mitigate noise from being transmitted to other spaces often amounts to paying attention to small details while working with ordinary construction materials The key objectives are to eliminate all cracks and gaps in the wall construction while making sure that the doors walls floor and ceiling have adequate transmission loss via mass or special double wall construction along with good fitting massive doors The entire Magnet must be surrounded by walls with substantial mass and or double wall construction so that noise is contained in the room and not allowed to pass through into nearby spaces Wall junctions must be sealed with acoustical sealant so that noise waves to do not escape from the room In principle if the room were filled with smoke and under a positive pressure no smoke would leak from the room 5 2 2 1 Wall Construction Wall Construction will entail ordinary building materials in a careful configuration The preferred wall would have an ASTM STC 50 construction which entails the use of standard wall const
98. e il manuale in una lingua diversa il cliente tenuto a provvedere direttamente alla traduzione e Procedere alla manutenzione dell apparecchiatura solo dopo aver consultato il pre sente manuale ed averne compreso il contenuto mancato rispetto della presente avvertenza potrebbe causare lesioni all addetto alla manutenzione all operatore o ai pazienti provocate da scosse elettriche urti mecca nici o altri rischi COY EANIAP U 7d V UA EA amp IHBAXeneS4 ARD NOAA SF OX BORBETTSENESUETULEEZET COY EAYIAS CARL BRET IC RBOY EASTDBEUC lt KES Uo CAM MET 0348 0378 KWABIS 01 57 Xul Soler ogi UAL 2 4 0104 0 9 9 Hols OTS SP HA HAHAE ASAE 7 2 9010 nim es 21256104 SES OlA HS SHS 24 Asal x RASHI 47 4a JHAY 9184 EE 7 01 HIA LE SAA FAS ele VA ict apkopes rokasgr mata ir pieejama tikai ang u valoda e klienta apkopes sniedz jam nepiecie ama inform cija cit valod klienta pien kums ir nodro in t tulkojumu e Neveiciet apr kojuma apkopi bez apkopes rokasgr matas izlas anas un sapra anas e br din juma neiev ro anas rezult t var rasties elektrisk s str vas trieciena me h nisku vai citu faktoru izrais tu traumu risks apkopes sniedz jam
99. e magnet within 24 hours of installation in the magnet room Note the following 1 All pipe or tube dimensions specified in this document are outside diameters unless otherwise noted 2 See Chapter 7 Magnet Cryogenic Venting Pressure Drop Reference Tables to calculate pressure drop for a specific system Table 3 5 Magnet Cryogen Specifications Magnet Types Helium Volume gallons liters Peak Helium Flow During Magnet Vent Pipe OD inches Quench ft min m per DVw 1 5T Magnet 468 1770 2737 77 5 Gas 8 203 80032 8 6 Vent Requirements Inside the Magnet Room 8 6 1 General 1 Do not remove or modify the vent adaptor bolted to the magnet 2 The GE Healthcare supplied vent tube must be bolted directly to the magnet vent adaptor bolt flange The vent tube may be cut to a minimum of 4 inches 10 6 cm from the top of the flange The vent must be located within 0 25 in 6 35 mm of the location in relation to isocenter shown in Illustration 3 15 8 6 2 Vent Size The total pressure drop of the cryogenic vent system from the magnet vent interface to the termination point outside the building must be less than 17 psi 117 2 kPa The pressure drop of the RF shield waveguide must be included in the overall calculation 8 6 3 Vent Materials 1 The vent material must be one of the following materials with the wall thickness indicated a SS 304 Minimum 0 035 in 0 89 mm Maximum 0 125 in 3 18 mm b
100. e shields surrounding the inner container are kept cold by a refrigeration device Dewar A container with an evacuated space between two highly reflective walls used to keep low temperature substances at near constant temperatures Liquid helium is usually stored and shipped in dewars Exclusion Zone Area where the magnetic flux density is greater than five gauss Personnel with cardiac pacemakers neurostimulators and other biostimulation devices must NOT enter this zone Signs are posted outside the five gauss line alerting personnel of this requirement Since the magnetic field is three dimensional signs are also posted on floors above and below the Magnet Room in which the five gauss line exists Ferrous Material Any substance containing iron which is strongly attracted by a magnetic field Gauss G A unit of magnetic flux density The earth s magnetic field strength is approximately one half gauss to one gauss depending on location The internationally accepted unit is the tesla 1 Tesla 10 000G and 1 milli Tesla 106 Gradient The amount and direction of the rate of change in space of the magnetic field strength In the magnetic resonance system gradient amplifiers and coils are used to vary the magnetic field strength in the x y and z planes Chapter 7 Appendicies 127 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 128 Homogeneity Uniformity The homogeneity of the static
101. e to be properly grounded 4 The ground isolation resistance measurement is performed by the following procedure a C All power to the enclosure is removed For safety reasons an AC voltage measurement will be made to verify that no power is connected With electrical power and intentional ground disconnected connect the test instrument between the shielded enclosure and AC power ground Take a reading and record the value 4 11 Data Recording Test Report Afinal test report must be generated for the Shielding Effectiveness test This test report will include all recorded data necessary for the evaluation of the RF shielded room 144 1 Healthcare requires the test report include as a minimum the following information a b C d of the owner organization or hospital Name of testing organization Identification name for the RF screen room being tested Name of test personnel Date of test Frequency ies tested SE measured for each test point location each test point location must be identified in the test report 4 RF Shielded Enclosure Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 h List any changes pertinent to the test set up or SE i Pass Fail conclusion 2 Recommended additional information a RF screen room drawing showing each test point location b Location of RF shielded room relative to the whole building where it is ins
102. ec 5 Updated gauss limits for PEN and HEC cabinets to 50 Gauss MRIhc45707 Ch 2 Sec 4 Updated EMC declaration per 60601 1 2 Edition 2 1 MRIhc45708 Ch Sec 7 2 Updated Table Illustration to show DV table minor dimension changes MRIhc45709 Ch 2 Sec 9 Ch 6 Sec4 Added updated Facility cooling requirements and hose hose in sulation specifications MRIhc45714 Ch 3 Sec 9 3 Updated Common Ground Stud requirement to increase allow able filter and pipe distances MRIhc45715 Ch 2 Sec 11 Changed MDP Regulation specification to 296 MRIhc45718 Ch 3 Sec 6 4 Added Vibromat dimensions to allow floor loading calculations MRIhc46104 Ch 2 Sec 12 3 PEN HEC PGR SPW cabinet shipping dimensions updated MRIhc46124 Ch 3 Sec 6 3 1 Added ceiling interface drawing and requirements Ch 2 Sec 10 Illustration 2 15 changed Top of HEC to Terminal Strip and remove E3027 ECO 2076814 Ch 3 Sec 7 3 New MRU specifications and requirements added Ch 4 Sec2 New MDP Updates 11 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Ch 2 Sec 2 2 Ch 3 Added MRE requirements and specifications Sec 5 2 6 Ch 4 Ch 6 Sec 2 Ch 6 Sec 4 Ch 4 Sec 7 Updated PEN Panel mounting drawing Nov2010 Document review and approval per DOC0675763 R3 V4 MRIhc52309 Ch 6 Sec2 Updated distance from magnet isocenter to end of cable tray to 31 5 in for Gradient cables 26 5 in for all other interconnects MRIh
103. eld during the imaging time The same vehicle may park within the moving metal line and remain parked during clinical scanning without impact to the main field See Illustration 2 7 and Illustration 2 8 32 7 MR Suite Magnetic Field Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 7 Magnet Moving Metal Sensitivity Line Plot Side View Moving Metal Side View Cars Pickups 6 Vans Ambulances m te n T NS 2m 3m 4 5m fi I Magnet Room Floor 7 NOS 7 gt SS ge oe s ee si Ba um d 4 Floor Below Illustration 2 8 Magnet Moving Metal Sensitivity Line Plot Top View Moving Metal Trucks Top View Busses Cars Pickups Vans Ambulances if e lt P ad wy N 4 2 N x NN X om Bm fm 6m 5 4 3m 2m 2m 3m 4m 5m 6m 9m H 1 7 4 Pd 2 N NG gt lt 4 4 n P d zt Center of Driving Lane 6m Table 2 5 Magnet Moving Metal Requirements Metal Objects Category Definition Of Distance Location Objects 100 400 Ibs Distance from isocenter radial x axial Cars Minivans Vans Distance from isocenter measured to center of driving or 15 5 x 24 6 4 72 x 7 5 Pickup Trucks Ambu pa
104. ent capture data to confirm that transient activity exceeds the trigger level then expand the time history data to exhibit the structural response Table 7 1 Frequency Bands for FFT Frequency Band Frequency Resolution 0 2 to 50 Hz Af 0 125 Hz 2 2 Equipment Spectral Analyzer Set Up 1 130 Frequency average should be a minimum of 20 linear averages Do not use peak hold or 1 3 octave analysis Average and store should be a minimum of 20 plots steady state and 20 plots transient to support the consistency of the site vibrations Hanning windows must be applied to the entire spectra Spectrum analyzers capable of these measurements are readily available for purchase or rental Models such as the HP 3560A Nicolet Phaszer B amp K Pulse and HP 35670 are all capable of making the site vibration measurements Accelerometers must have the capability to measure from 0 2 Hz beyond 50 Hz Time histories can be recorded using any of the analyzers listed above NOTE The equipment mentioned is for example only It is the responsibility of the Engineering Test Firm to provide equipment that will allow measurements compliant with this guideline 2 MR Site Vibration Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 3 Data Collection 23 1 Ambient Baseline Condition T All of the measurements listed above must be made a quiet environment i e areas where excessive
105. ent to Magnet Room may be separated by hallways e Secretarial offices meeting rooms patient rooms ICU exam primary care etc e Adjacent residential areas spaces e In house library facilities 5 Acoustic Background and Design Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 2 Acoustic Design Guidelines 5 2 1 Magnet Room Noise generated by the MR system is inherent to the operation of the system The sound quality human perception within the Magnet Room can be modified by including sound absorbing materials to make the room sound more subdued and less harsh The measured sound levels via a sound level meter will not change However the measured sound levels can be reduced only when the sound level generated by the MR System is reduced Sound quality improvements can be achieved by the following Use ceiling tiles with fiberglass panels having 2 inch 51mm thickness set into the standard T bar grid system e Adding fiberglass panels to the side walls covering approximately 20 of the side wall surface area The panels should focus on covering the top half of the side walls Panels could take many different and decorative shapes to improve the sterile look of the rooms Typically panels might be on the order of 4 ft x 6 1 2 m x 1 8 m with a thickness of 4 inches 102 mm equivalent Panels shape could vary to produce mosaic effects to meet the customer preference Any
106. er to the Magnet room must not compromise the RF Shield primary ground RF shielded room installation materials must meet steel mass limits listed in Magnet Room Structural Requirements to keep magnetic field homogeneity Chapter 3 Magnet Room 61 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 8 Any moving part such as doors must not contain magnetic materials 9 Shielding Effectiveness SE and DC ground isolation resistance testing are performed by the customer with a report provided to the GE Healthcare Project Manager of Installation PMI 5 4 2 Magnet Mounting Requirements 62 The following requirements are applicable only if the VibroAcoustic dampening option is not included with the MR system Illustration 3 3 Magnet Anchor Mounting Options Magnet Anchor Foot Aluminum Spacer Block Finished Floor a DON Filler Board DONNA or Grout 2 gt fos ty Non git Compressible x Material RF Shield Conductive Fiberous Washer RF Seal Concrete Female Anchor Bolted Method Insert Female Anchor Method Cutaway Side View Cutaway Side View 1 The RF Shield vendor must design and install magnet anchor bolts All four Magnet feet must be anchored to the floor Magnet anchors must be installed before the Magnet is delivered Refer to RF Shielded Room Requirements for Magnet Feet mounting hole locations Magne
107. erature F Cooling Water Flow Rate Pressure Drop and Temperature Rise 0 10 40 0 09 35 0 08 30 0 07 0 06 0 05 0 04 0 03 0 02 0 01 0 00 Pressure Drop MPa Cooling Water Inlet Outlet Temperature C 4 5 6 7 8 9 10 Water Flow L m Water Flow L m 46 10 Facility Coolant Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 11 MR Suite Electrical Requirements 1 An MDP is provided with the system and is delivered prior to system delivery 2 The facility must provide system power and cabling to the Main Disconnect Panel MDP 3 All associated transformers and cables must be correctly sized for system power requirements 4 Facility power is required at magnet delivery and must be available continuously thereafter Table 2 12 Facility Power Requirements At Main Dis Voltage Frequency 480 VAC 60 3 Hz connect 415 50 3 Hz 400 VAC 50 3 Hz 380 VAC 50 3 Hz Daily Voltage Variation 1096 from nominal under worst case line and load regulation Voltage Transients Maximum allowable transient voltage above or below nominal waveshape not to exceed 200 V at a maximum duration of 1 cycle and frequency of 10 times per hour Phase Input power to the MDP may use one of the following configurations A 3 phase solidly grounded WYE with Neutral and Ground 5 wire system Neutral must be terminated prior to or inside the Main Disconnect P
108. es All bracketed dimensions are in millimeters Graphic not to scale Maximum magnetic field can be located a a 200 Gauss 20mT Approximate Weight 1 5 Ibs 0 68 kg AUDIBLE ALARM MEANS OXYGEN LEVEL IS LOW ALL PERSONNEL MUST EVACUATE THE ROOM UNTIL SAFE OXYGEN LEVEL 15 RESTORED 133 4 70 4 2 ____ 19 Ls 25 6 35 DIA HOLES 8 15 207 MOUNTING PATTERN 2 16 2 o5 99 M 5 509 B 80 CABLE ACCESS 962 0 5 12 7 DIA FRONT VIEW SIDE VIEW 106 2 Oxygen Monitor OXY Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Chapter 6 MR System Interconnects 1 MR System Interconnects Specifications 1 1 Component Designator Definitions GE Healthcare uses Component Designators to identify system components All subsystem cabinets and other components are referred to by their component designators in the Interconnect Data diagrams and tables Table 6 1 MR System Component Designators Table 6 2 MR System Options Component Designators Brainwave Lite Cabinet RY DP EC AG ON RU Ww 1 DU ED EN R PW W Chapter 6 MR System Interconnects 107 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 1 2 Usable Cable Lengths Table 6 3 Usable Cable Lengths CRY 370 1 9400 SPW bottom edge 551 2 14000 E off switch Control room or SPW bottom ed
109. es the entire magnet room Resonance A large amplitude vibration caused by a relative small periodic stimulus of the same or nearly the same period as the natural vibration period of the system In magnetic resonance imaging the 7 Glossary Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 radio frequency pulses are the periodic stimuli which are at the same vibration period as the hydrogen nuclei being imaged Security Zone Area within the Magnet Room where the magnet is located Signs are posted outside the Magnet Room warning personnel of the high magnetic field existing in the Magnet Room and the possibility of ferrous objects becoming dangerous projectiles within this zone Shield Cooler Coldhead An external refrigeration device which maintains the shields inside the cryostat at a constant temperature Shim Coils Shim coils are used to provide auxiliary magnetic fields in order to compensate for inhomogeneities in the main magnetic field due to imperfections in the manufacturing of the magnet or affects of steel in the surrounding environment Shimming Correction of inhomogeneity of the main magnetic field due to imperfections in the magnet or to the presence of external ferromagnetic objects Superconducting Magnet A magnet whose magnetic field originates from current flowing through a superconductor Such a magnet is enclosed in a cryostat Superconductor A substance whose ele
110. et ROOM 66 74 Table of Contents Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Magnet Room Equipment 69 7 1 Magnet MAG Specifications aus aie eS Seed Se tien oo dc don feti deiode ace nodes ect 69 7 2 Patient Table PT Speciflcatlons nere ERR SERERE HE X ERR HERE n 69 7 3 Magnet Rundown Unit MRU Specifications and 71 7 4 Oxygen Monitor Sensor 1 ee enete 72 8 Magnet Room Venting Requirements eese enne nennt eb acea denn dena inn 73 8 1 Overall 73 8 2 HVAC Vent 73 8 3 Emergency Exhaust Vent 2 1 73 8 4 Pressure Equalization Vent 75 8 5 Cryogenic qiigo 75 8 6 Vent Requirements Inside the Magnet Room 75 8 0 1 General cT NIME 75 60 2 VOnt 16 22 552 T 75 8 6 3 Vent Materials t e o RD EE OD EE EDO tM 15 9 0 4 55
111. et for MR system blowers Airflow may be achieved through door louvers or other openings in the PEN closet that meet all other PEN closet requirements NOTE The primary source of airflow must be from the Magnet room Openings into the area above a false ceiling or other storage areas should be minimized 6 2 Doors and Magnet Access Openings 1 The finished opening of the main door must be at least 43 in 1092 mm to allow for helium dewars and patient tables Chapter 3 Magnet Room 65 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 The finished opening of the main door must be positioned to allow the Gradient Cart to move into the room 3 Threshold height must not exceed 1 in 25 mm on both sides of the door with a maximum 10 degree threshold inclination 4 Patient viewing windows recommended dimensions are 48 in wide by 42 in high 1219 mm x 1067 mm and 72 in 1829 mm above the finished floor NOTE requires the patient while in the bore be in full view of the operator GE Healthcare recommends using a window although other means e g camera and video display may be used as long as all IEC requirements are met 5 The magnet delivery requires opening into the room to allow access for the magnet and any rigging 6 3 Finished Ceiling 1 The customer is responsible for the finished ceiling including any cable enclosures 2 The illustration below shows the maximum dimensions o
112. f a customer supplied enclosure at the magnet opening the ceiling opening size can vary based on customer requirements Illustration 3 5 Ceiling Interface Ceiling Interface All Dimensions are in inches Bracketed dimensions are in milimeters 13 76 0 25 349 5 6 4 0 8 Ceiling 9 21 Interface 1 25 9 33 5 6579 16 0 25 592 7 u 406 4 6 4 Y 1 12 78 3246 250 5 Y Magnet 33 24 Geometric 844 3 Opening Isocenter Magnet Top View For Reference Only 6 4 Magnet Room Floors 1 The finished floor must support the weight of all components e g patient table gradient coil replacement cart throughout operation and service life 66 6 Finished Room Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 The finished floor must be water resistant to protect the subfloor and shielding from water damage 3 The customer is responsible for providing flooring to meet the maximum 8 kV ESD requirement for GE Healthcare equipment 4 Magnet Enclosure and Patient Table areas shown below must be flat and level to 0 3125 in 8 mm between high and low spots over any 120 in 3048 mm distance 5 If the Magnet is mounted directly to the floor see RF Shielded Room Requirements for mounting bolt requirements 6 When using the GE Healthcare supplied VibroAccoustic Dampening option use 24 in
113. f an attenuator was used in the Reference measurement it would be taken out for the Screen Room measurement and the attenuator value added to the SE in the datasheet Measurement setup for the attenuated level is in accordance with the illustration below 4 RF Shielded Enclosure Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 7 8 Attenuation Level Measurement Attenuation Level Measurement Measurement Volume 0 30 m 5 Attenuated Level measurement is taken at each test location with antenna at both polarizations horizontal and vertical a Attenuated Level at Horizontal Polarization i Both tuned Receive and Transmit Antennas are in Horizontal Polarization ii In all the following measurements the Receive Antenna is held in Horizontal Polarization and kept at a distance of 0 3 m from the inside screen room wall iii Starting with the Receive Antenna directly parallel to the Transmit Antenna begin to slowly move the Receive Antenna in a Volume Parallel to the screen room wall 1 m above initial position and 0 3 m above the floor and 1m to the left and right of the initial position see figure x iv Measure and record the highest power in this volume b Attenuated Level at Vertical Polarization i Both tuned Receive and Transmit Antennas are in Vertical Polarization ii In all the following measurements the Receive Antenna is held in Vertical Polarization and ke
114. f tray Anywhere in Magnet To Magnet Interface Room 104 2642 Minimum height to finished floor See note 4 1 Installation and routing of cable supports must be coordinated with the RF shield vendor 2 Side to side supports in the Magnet room must be separated by at least 0 5 in 12 mm to prevent RF broadband noise caused by metal to metal sidewall contact 3 Each cable support mechanism must support a weight of at least 50 Ibs ft 74 8 kg m NOTE If stacked each cable support mechanism must support the weight of both cable trays i e 100 Ibs ft 149 6 kg m 4 Cable supports must not be routed within the exclusion zone over the magnet see Chapter 2 MR Suite Minimum Room Size Requirements for ceiling exclusion area 5 Supports for all other cables and hoses must end at the back of the magnet 31 5 in 800 mm from geometric isocenter Illustration 6 5 90 Degree Magnet Interface 90 Degree Cable Tray Detail Notes 1 All dimensions are in inches 2 Bracketed dimensions are in mm 3 Cable drops must be parallel to back of magnet 4 Unistruts may be used to provide cable drop into the magnet 5 Bend radius must be maintained at all track or gradient 13 330 cable bends See note 5 6 Gradient cables must still align To Magnet Interface to Magnet isocenter 31 5 800 from Unistrut 7 to isocenter See note 4 Supports for all other cables must end at the back of the magnet 26 5
115. g installation cart weighs 855 Ibs 389 kg The coil assembly outside diameter x length dimensions are 35 7 x 57 2 in 908 x 1452 mm Illustration 2 20 Gradient Coil Cart Gradient Coil Cart All Dimensions in inches Bracketed dimensions are in milimeters 991 s 99 84 2536 52 12 MR System Shipping and Receiving Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Chapter 3 Magnet Room 1 Magnet Room Introduction The Magnet Room is best understood as a series of layers or rooms within a room Each of these rooms has a specific function and associated requirements All requirements in this chapter must be followed to ensure safe and proper operation of the MR system 1 The Magnetic shielded room contains the MR Magnet fringe field within a confined space A site survey is required to determine magnet shield requirements not all sites require magnetic shielding Because of the added cost of magnetic shielding room location should be carefully considered 2 The Acoustic room is a layer used to help attenuate the noise produced during a scan An acoustic engineer is strongly recommended to assess the environment 3 The RF Shielded room is critical to the proper MR system operation RF shielding prevents interaction of external RF radiation with MR system operation and it also prevents MR system RF radiation from interfering with external
116. g probe and respiratory bellows 2 System Components Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 3 MR Suite Minimum Room Size Requirements Room dimensions shown in the table below lists the minimum finished room space requirements to properly and safely operate and service the MR system This space must be kept clear of permanent or installed cabinetry fixtures etc that would interfere with the service access area The items listed below are not included in the minimum area dimensions Building code requirements e g exit routes door placement local and national electrical codes etc NOTE customer must provide Equipment and Magnet Room evacuation routes to comply with facility emergency procedures System requirements including cable run locations cryogen venting patient observation requirements and penetration panel placements e g the Equipment room and Magnet room must share a common wall to allow penetration panel installation Penetration closet must be outside the minimum finished room dimensions Non GEHC equipment options such as additional AC or water cooling equipment in the Equipment room Accessory storage Refer to the Customer Site Storage Requirements manual document number 5182674 or contact the GE Healthcare Project Manager of Installation PMI for any additional accessory storage requirements Table 2 1 Minimum Finished Room Dimensions
117. ge Equipment room 385 8 9800 661 4 16800 SPW bottom edge GOC rear panel 1149 6 29200 HEC top panel SPW bottom edge 244 6200 677 17200 Magnet Room MAG gradient cable clamp PEN panel bottom edge block 354 3 9000 511 8 13000 MAG gradient cable clamp SPW bottom edge block 354 3 9000 511 8 13000 SPW bottom edge E off switch Magnet Room 1173 2 29800 MAG gradient cable clamp GOC rear panel block 1496 1 38000 1653 5 42000 MAG gradient cable clamp U block 972 4 24700 MAG gradient cable clamp RF common ground stud block 393 7 10000 551 2 14000 3 108 7 MR System Interconnects Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 1 3 Brainwave Option Table 6 4 Brainwave Option Usable Cable Lengths Site Option A Site Option B Long Site Option C Short ER Short SR ER Short SR Short ER ORE SR Point A Point B in ny OERS Brainwavew Cabi PEN Wall Cabinet net LG408 Empty 9 pin D sub Lumina Controller 720 18 288 LU001 60 J16in PEN Cabinet Lumina Controller 720 18 288 1 4 Magnetic Resonance Elastography MRE Option Table 6 5 MRE Option Usable Cable Lengths Site Option A Site Option B Long Site Option C Short ER Short SR ER Short SR Short ER Long SR Cable Part number in mm 1 in 2 ee Tub Resoundant Active Nominal 288 7315 Driver Magnet Isoceter Maximum 396 10058
118. gn Magnet Room 127 dBA 20 to 20k Hz Note Hearing protection must be provided to the patient to reduce the sound pressure level below 99 dBA Refer to Chapter 7 Acoustic Background and Design Guidelines for acoustic design information 4 Acoustic Room Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 RF Shielded Room Requirements The RF Shielded room is critical to the proper MR system operation RF shielding reduces the interaction of external RF electromagnetic fields with MR system operation it also prevents MR system RF radiation from interfering with external RF systems such as aircraft control Special care must be used when installing all fixtures penetrating the RF shield e g vents electrical conduit penetration panels etc to ensure the integrity of the RF shield is maintained The RF shielded room can be either a free standing shielded enclosure or a shielded room within an existing room 5 1 RF Noise Definitions Broadband Interference Broadband interference is caused by electrical discharge within the Magnet room Potential sources of interference can be reduced by limiting static discharge ensuring all metal to metal contact is tight and secure and ensuring all electrical and grounding requirements are met Discrete Interference Discrete interference is fixed frequency narrowband RF noise Potential sources of discrete interference are radio station tr
119. he requirements listed in Illustration 2 18 Note Full HEC flow requirements must still be met The HEC will split off 6 L min to the cryocooler compressor 3 Cryocooler operation only Coolant may be routed directly to the Cryocooler compressor at the location indicated in Illustration 2 17 with the following requirements a The facility is responsible for coolant pipe hose filters and connectors to supply the coolant to the CRY b The emergency coolant supply must isolate the Cryocooler Compressor and not back feed the HEC c Coolant must meet all other HEC coolant specifications listed in Table 2 10 and Table 2 11 Chapter 2 General System Level 45 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 d The supplied water cooling hoses between the HEC and CRY are Parker Push lok 801 8 0 5 in I D e The charts below shows the coolant flow rate and temperature requirements for the Cryocooler Compressor Illustration 2 18 Cryocooler Water Cooling requirements for Emergency Water Supply For Water 2 5 5 5 5 o o 8 3 9 0 4 8 12 16 20 24 28 32 30 40 50 60 70 80 90 Cooling Water Inlet Temperature C Cooling Water Inlet Temperature F For Antifreeze 50 5096 mixture of water and ethylene glycol Cooling Water Flow Rate g m 30 40 50 60 70 80 90 Cooling Water Inlet Temperature C Cooling Water Inlet Temp
120. ht 264 Ibs 120 kg 2 Magnetic Field Limit 100 Gauss 10 mT 60 153 Illustration 4 8 Cryocooler Compressor F 50 17 72 450 NOTE ALL DIMENSIONS ARE IN INCHES ALL BRACKETED DIMENSIONS ARE IN MILLIMETERS 315 800 MAINTENANCE SPACE CLEARANCE Soke INSTALLATION 103 INPUT 984 12 103 POWER 250 TERMINAL 276 As MAINTENANCE SPACE Center of Gravity Chapter 4 Equipment Room 93 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 9 Magnet Monitor MON Requirements and Specifications 9 1 Requirements 1 Customer must supply T100 network connection with RJ45 connector to the Magnet Monitor MON 2 The network connection must not be routed through the Ethernet switch in the Global Operator Cabinet GOC 3 The Magnet Monitor requires a 110 220 VAC 50 60 Hz 2 0 A facility supplied outlet Power at the outlet must be continuously available 9 2 Specifications 1 Mounting location On either side of the Heat Exchanger Cabinet HEC 2 Weight 10 Ibs 4 5 kg 3 Maximum gauss limit 200 gauss 20 mT 4 Power cord length 72 in 1829 mm 94 9 Magnet Monitor MON Requirements and Specifications GE Healthcare LEFT SIDE VIEW lt 3 00 76 5 00 127 Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Illustration
121. i zrozumienia go e Niezastosowanie sie do tego ostrze enia mo e doprowadzi do obra e serwisanta operatora lub pacjenta w wyniku pora enia pr dem elektrycznym zagro enia me chanicznego b d innego Este manual de assist ncia t cnica encontra se dispon vel unicamente em ingl s e Se outro servi o de assist ncia t cnica solicitar a tradu o deste manual caber ao cliente fornecer os servi os de tradu o e Nao tente reparar o equipamento sem ter consultado e compreendido este manual de assist ncia t cnica observ ncia deste aviso pode ocasionar ferimentos no t cnico operador ou paciente decorrentes de choques el tricos mec nicos ou outros Este manual de assist ncia t cnica s se encontra dispon vel em ingl s e Se qualquer outro servi o de assist ncia t cnica solicitar este manual noutro idioma da responsabilidade do cliente fornecer os servicos de traduc o e tente reparar o equipamento sem ter consultado e compreendido este manual de assist ncia t cnica cumprimento deste aviso pode colocar em perigo a seguran a do t cnico do operador ou do paciente devido a choques el ctricos mec nicos ou outros GE Healthcare Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 ATENTIE RO 5 2 SK ATENCION ES Acest manual de service este disponibi
122. ing testing results or analysis must be forwarded to the GE Healthcare Project Manager of Installation PMI 2 2 Environmental Steel Limits A static magnetic field extends in a three dimensional space around the magnet isocenter Environmental steel within the static magnetic field affects the uniformity or homogeneity of the field Field uniformity is critical to both image quality and chemical shift analysis spectroscopy An analysis of the environmental steel is required in within a 9 84 feet 3 meters spherical radius of the magnet isocenter Environmental steel includes pipes beams concrete rebar or any other structural steel in the floors walls or ceiling The following items must be limited perTable 3 1 1 Non movable steel construction material such as wall studs or HVAC components 2 Metallic pipes and drains 3 Steel in the floor in a 10 ft x 10 ft 3 1 m x 3 1 m area under the Magnet MAG 54 2 Magnet Room Structural Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Table 3 1 Steel Mass Limits to Magnet Isocenter 10 x 10 Area Under Magnet 3 14 7 47 52 1194 1321 5 10 127 254 8 39 2 52 55 1321 1397 10 13 254 330 20 98 0 55 1397 13 330 2 3 Vibration Requirements Excessive vibration can affect MR image quality Vibration testing must be performed early in the site planning process to ensure vibration is minimized Both steady sta
123. installations above the ground floor of the facility Two options to mitigate structureborne acoustic transmission are 1 Healthcare provides a VibroAcoustic Dampening kit which must be surface mounted Contact the GE Healthcare Project Manager of Installation for information 2 The customer may design and implement a custom solution in addition to the VibroAcoustic Dampening kit NOTE The amount of vibration attenuation provided by the VibroAcoustic Dampening kit will be site dependent 28 6 MR Suite Acoustic Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 7 MR Suite Magnetic Field Specifications 71 Magnetic Fringe Field The following illustrations show the static magnet isogauss plot lines for a 1 5T magnet This information must be used to evaluate potential site interaction of GE Healthcare equipment with other non GE Healthcare equipment interaction with magnetic materials on the site and to locate personnel and equipment within the site The 5 gauss line can expand to 14 27 ft 4 35 m axially and 9 35 ft 2 85 m radially for up to 1 second in the rare event of a quench These isogauss plots show an idealized magnetic field relative to magnet isocenter The actual field strength can be affected by any of the following e Magnetic shielding e Earth s magnetic field e Other magnetic fields e Stationary moving metal Chapter 2 General System Level 29 Optima M
124. ion 3 0 3 Magnetic Shielded Room Requirements NOTICE All sites including upgrade sites must be evaluated for magnetic shielding requirements Existing magnetic shielding at an upgrade site may not be sufficient for the new system Contact the GE Healthcare Project Manager of Installation PMI to request a site evaluation Magnetic shielding prevents interaction between the magnet and nearby sensitive devices Because of the added cost of magnetic shielding room location should be carefully considered not all sites require magnetic shielding See Chapter 2 MR Suite Magnetic Field Specifications for detailed magnetic proximity limit information 1 The GE Healthcare Project Manager of Installation PMI works with the customer to coordinate the magnetic shielding site evaluation 2 If required the GE Healthcare Project Manager of Installation PMI coordinates the delivery of the magnetic shielding design 3 The customer is responsible for installation of all magnetic shielding Chapter 3 Magnet Room 57 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 Acoustic Room Specifications 58 The Acoustic room is a layer used to help contain the noise produced during a scan The following information is provided as a guide for the acoustic engineer to design acoustic noise containment in the Magnet room Table 3 2 Acoustic Specifications Maximum Sound Pressure Level for Frequency Room Desi
125. l Measurement Measurement Spectrum Preamplifie Attenuator 1 20m Analyzer if used if used 3 The antennas shall be separated by a distance of 2 m minimum unless physical spacing limitations for either the reference level or SE readings preclude maintaining that spacing In that event maximum available separation shall be used but shall not be less than 1 m and that separation shall be noted on the test report 4 The coaxial cable from the receive antenna shall be kept perpendicular to the axis of the antenna for a distance of at least 1 m 5 The cable from the receive antenna is preferably routed through the wall of the shield via a bulkhead type of coaxial connector If this is not possible it may be routed through a shield door that is opened only far enough to pass the cable If the open door method is used a check for direct coupling to the receiving equipment shall be made by putting a dummy load in place of the receive antenna and verifying that any signal present is at least 10 dB below the reference reading Chapter 7 Appendicies 141 GE Healthcare Direction 5670001 Revision 3 0 Optima MR450w Preinstallation Manual 6 Reference Level measurement is taken at each test location with antenna at both polarizations horizontal and vertical a Reference Level at Horizontal Polarization The reference level measurement is taken over a plane area covered as described below With horizontal polarization for both
126. l doar in limba englez Daca un furnizor de servicii pentru clienti necesita o alta limba decat cea englez este de datoria clientului s furnizeze o traducere Nu ncerca i sa reparati echipamentul dec t ulterior consult rii si n elegerii acestui manual de service Ignorarea acestui avertisment ar putea duce la r nirea depanatorului operatorului sau pacientului n urma pericolelor de electrocutare mecanice sau de alt natur B
127. lines ensure that the electromagnetic environment inside of the enclosure will meet the requirements of GE Healthcare 4 3 Reference Document IEEE Std 299 2006 IEEE STANDARD METHOD FOR MEASURING THE EFFECTIVENESS OF ELECTROMAGNETIC SHIELDING ENCLOSURES 29 December 2006 4 4 Test Set Up for RF Shielded Room 138 The shielded enclosure under testing will be set up in a normal configuration that consists of 1 Magnet installed including all floor mounting bolts including dock anchor bolt RF shielded door s Waveguide penetrations HVAC vents medical gas lines etc AC power supplied through low pass filters Patient view window skylights windows hatches etc 9 gv d ox Blank penetration panel installed dimensionally equivalent to the GE panel and the same mounting hardware to be used with the GE penetration panel NOTE AGE Field Engineer is responsible for disconnecting cryocooler lines For safety reasons the enclosure will be electrically grounded during the shielding effectiveness test Any variances from the normal configuration will be noted in the certification report 4 RF Shielded Enclosure Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 5 Shielding Effectiveness SE This test procedure determines the worst case shielding effectiveness based on the lowest test point reading obtained The lowest reading obtained will be the reading to indicate
128. llation Clearance 74 6 1895 Airflow Clearance Center of Gravity Installation Clearance Mounting Hole Detail 3 94 15 75 654 1063 1063 100 400 166 2 gt M 270 gt lt 270 2 1 All M12 x 1 75 mm Mounting Holes 1 6 40 6 Cabinet Side Cabinet Front Same both sides Chapter 4 Equipment Room 87 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 Penetration Panel Cabinet PEN Specifications The Penetration Cabinet Penetration Panel provides interconnects from the PEN Cabinet through the Magnet Room RF Shield 1 Weight 639 Ibs 290 kg 2 PEN Panel Magnetic Field Limit 200 Gauss 20 mT for the entire PEN Panel i e the blower box must be outside the 200 Gauss line PEN Cabinet Magnetic Field Limit 50 Gauss 5 mT 3 The PEN cabinet must be positioned directly in front of the PEN Panel See PEN and SPW Wall Opening Requirements for PEN panel mounting and location requirements 68 5 Penetration Panel Cabinet PEN Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 4 5 Penetration Panel Cabinet PEN Service gt Clearance 914 5 Penetration Panel Cabinet PEN 12 16 75 12 All Dimensions in inches 305 426 305 Bracketed dimensions are in milimeters 14 53 389 Magnet Room 1 i 1 Mounting Hole
129. llation Manual GE Healthcare Direction 5670001 Revision 3 0 Facility Supplied Wiring Facility supplied wiring is required for facility input power to MDP from MDP to PGR and from MDP to HEC MDP phase input 1 Accommodates 3 0 AWG maximum wire size MDP Input Ground PE termi BAWG to 350KCMIL nal MDP Input Neutral Terminal Accommodates 3 0 AWG maximum wire size PGR Input phase amp ground 1 0 AWG wire size HEC Input phase amp ground 18 AWG wire size or equivalent Provided strain relief accepts non metallic jacketed cord with outside diameter range 0 875 in 22 0 mm min to 1 26 in 32 0 mm max Emergency Remote flush wall mounted E Off buttons are supplied with the MDP E Off buttons and associated wiring Off Buttons are located per customer requirements Service re Voltage Frequency 100 120 VAC 50 60 Hz Receptacle required for small power tools Local voltage ceptacle in and portable transformers for voltage values Magnet 71 MR Suite Electrical Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 2 19 MR System Main Disconnect Panel MDP Set Up Main Disconnect Panel MDP Note Illustration is not to scale and component positioning Magnet Room OW interconnect runs E Off locations are typical GOC Magnet Run M3030 Facility Common Control acili Power Ground Stud 4002 Run E3030
130. lowing standards Table 2 2 Guidance And Manufacturer s Declaration Electromagnetic Emissions The system is intended for use in the electromagnetic environment specified below The customer or the user of the system should assure that it is used in such an environment RF Emissions CISPR 11 Group 2 The system must emit electromagnetic energy in order to perform its in tended function Nearby electronic equipment may be affected RF Emissions CISPR 11 Class A The system is suitable for use in all establishments other than domestic and those directly connected to the public low voltage power supply net work that supplies buildings used for domestic purposes Table 2 3 Guidance And Manufacturer s Declaration Electromagnetic Immunity The system is intended for use in the electromagnetic environment specified below The customer or the user of the system should assure that it is used in such an environment Immunity test IEC 60601 test level Compliance Level Electrostatic discharge ESD IEC 6 kV contact 6 kV contact 61000 4 2 Electrical fast transient burst IEC 2 kV for power supply lines 2 kV for power supply lines 61000 4 4 1 kV for input output lines 1 kV for input output lines Surge IEC 61000 4 5 1 kV line s to line s 1 kV differential mode 2 kV line s to earth 2 kV common mode Voltage dips short interruptions and volt 5 gt 95 96 dip for 5 sec lt 5 gt 95 dip
131. m operates with a highly sensitive RF receiving front end to be able to capture the signal of an object scanned The RF Shielded Room is used to provide a degree of RF isolation to reduce the interference potential from external RF electromagnetic fields A Limited level of RF interference RFI at the installation site is required for the proper operation for the MR System The RFI level will depend on the electromagnetic environment the equipments installed or at the vicinity of the installation site some examples are radio stations land mobile radio transmitter stations 1 When RFI site survey is required it is recommended to be completed before the purchase and installation of the RF shielded room 2 The ambient RF noise measured should be less than 100 millivolt per meter 100 dB microvolt per meter 3 Listed in the table below are the recommended centerband and bandwidth frequencies to be used when measuring RFI This table includes frequency bands important for both imaging and spectroscopy Table 3 3 Radio Frequency Survey Specifications RFI site surveys are to be performed by cycling through the preceding frequency bands and a broad band range up to 100MHz 10 MHz up to 145 MHz 10 MHz is recommended for new sites to accommodate upgrades Special emphasis however should be placed on the 1H band since this is used in proton imaging The RFI site survey should be performed for a length of time necessary to determine within
132. magnetic field is an important quality of the magnet Isocenter Center of the imaging volume ideally located at the magnet center Isogauss Line An imaginary line or a line on a field plot connecting identical magnetic field strength points Magnetic Field B A condition in a region of space established by the presence of a magnet and characterized by the presence of a detectable magnetic force at every point in the region A magnetic field exists in the space around a magnet or current carrying conductor and can produce a magnetizing force on a body within it Magnetic Resonance MR The absorption or emission of electromagnetic energy by nuclei in a static magnetic field after excitation by a suitable radio frequency field Magnetic Sheilding Using material e g steel to redistribute a magnetic field usually to reduce fringe fields NB Abbreviation for Narrow Band Quench Condition when a superconducting magnet becomes resistive thus rapidly boiling off liquid helium The magnetic field reduces rapidly after a quench Radio Frequency RF Frequency intermediate between audio frequency and infrared frequencies Used in magnetic resonance systems to excite nuclei to resonance Typical frequency range for magnetic resonance systems is 5 130 Mhz Radio Frequency Shielding Using material e g copper aluminium or steel to reduce interference from external radio frequencies A radio frequency shielded room usually enclos
133. nches Bracketed dimensions are in millimeters 508 955 406 Top View Rear View Chapter 4 Equipment Room 97 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 This page left intentionally blank 98 11 Magnetic Resonance Elastography MRE Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Chapter 5 Control Room 1 Operator Workspace Equipment Specifications The operator seated at the Operator Workspace must have an unobstructed view of the patient on the Patient Table docked to the Magnet 1 1 Operator Workspace OW NOTE Operator Workspace table is optional Illustration 5 1 Operator Workspace OW 51 06 gt 1297 NOTE All dimensions are in inches All bracketed dimensions in millimeters co 12 7 323 13 6 345 4 5 8 15 9 mm thru mounting holes for 3 8 in 9 5mm anchors ue 43 877 3 Host Display 48 6 1234 1 EHI ee eres Y FRONT VIEW Alternate GOC Location SIDE VIEW Chapter 5 Control Room 99 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 1 2 Global Operator Cabinet GOC 1 Weight 141 75 Ibs 64 3 kg 2 Magnetic Field Limit 50 Gauss 5 mT
134. nd that if this is an existing condition you should request an study to quantify the magnitude and direction of the AC disturbances The calculation is worse Chapter 7 Appendicies 151 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 case and does not take into account the vector direction of the AC interference The magnet is only sensitive to AC disturbances that are directed horizontally magnet z axis Also the calculation does not account for any magnetic shielding effect of steel conduit 152 6 Sample Calculation AC Power Equipment Minimum Distance Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 7 Selecting Magnet Anchor Size The following is an example to illustrate the selection of proper anchors to install a Magnet in a building with 2000 psi 13 8 MPa concrete For this example the area is not under seismic requirements 1 Determine magnet clamping force for the Magnet 2500 Ibs 200 Ibs 2700 Ibs 11 100 N 900 N 12 000 N 2 Referto the examples of anchor vendor catalogs below to select anchor diameter and embedment which meets the clamping force tension determined in Step 1 Diameter Min 0 625 inch Max 1 25 inch For 8 inch embedment select 3 4 inch diameter For 4 5 inch embedment select 1 inch diameter Diameter Min M16 Max M32 For 130 mm embedment select M20 diameter For 114 mm embedment select M24 diameter 3
135. nished floor Maximum 127 in 3226 mm Magnet Vent Adaptor Flange Magnet Vent Adaptor Do not remove or modify Finished Floor to top of Magnet as delivered Magnet Vent Adaptor Flange 91 62 in 2327 mm Magnet Magnet Room Detail 79 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 80 Magnet Front Illustration 3 15 Magnet Cryogenic Vent Location Magnet Cryogenic Vent Location All Dimensions are in inches Bracketed dimensions are in milimeters 13 76 30 25 349 5 6 4 16 0 25 op 406 4 6 4 Vent 8 203 2 Geometric Isocenter Magnet 1 Magnet Top View 8 Magnet Room Venting Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 9 Magnet Room Electrical and Grounding Requirements 9 1 Electrical Line and Filter Requirements 1 3 RF Shielded Room vendor and electrical contractor must coordinate installation of all electrical lines through the RF shielding The RF Shielded Room vendor must supply electrical line filters for all lines through the RF shielding excluding electrical lines through the GE supplied Penetration panels to ensure compliance with the RF Shielded Room attenuation requirements Electrical line filters must be located outside the 200 gauss 20 mT line 9 2 Lighting Requirements 1 gt gt Do d 8 9 All lighting fixtures and associated components
136. not exceed 0 1 ohm to ensure equal potential ground system within the Magnet Room e g MGD to PDU Do not ground non MR equipment to the MR ground system Chapter 3 Magnet Room 81 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 7 All metallic pipes including water medical gas sprinklers etc entering the RF Shield excluding the Cryogenic Vent and floor drains must be located within 56 inches 1422 mm of the RF Common Ground Stud 8 The illustration below shows a typical ground layout Illustration 3 16 Typical Magnet Room Grounding Pipe Water Medical Gas Sprinkler etc RF Shield QQ RF Power Filter 56 Inch E 1422 7 i Hot m 40 Inch Metal Conduit 2 Neutral 1016 mm Electrically Connected to RF Filter 2 Ground Maximum Hot No Isolation 2 fover30V 7 Electrical Ground Ground Wire 2 Device One per Filter 7 z Common Ground Stud 2 Hm El PM IA 4 1 L Common Ground Stud al 2 L3 2 1 2 4010 2800 mm Cable Length Run E4005 1 0 AWG Ground Wire 38 0 AWG Ground Wire To Magnet Power Distribution Unit Run M4005 1 0 AWG Ground Wire in PGR Cabinet Run E4009 Magnet Room 2800 mm Cable Length WOAWG Ground Wie NOTE See MR System Interconnects Specifications for usable cable lengths 82 9 Magne
137. ns a Gradient and RF common ground cables b Coax RF and AC power cables with jacket rating of 600V and above c Data and fiber optic and 300V coax or RF clock cables d 300V signal 300V power and 300V power signal cables e Air water and cryogen lines Illustration 6 1 Cable Groupings Cable Locations Notes 1 Cable groups must not touch however implementation dividers channeling bundling etc is determined by code 2 In the stacked configuration the air water and cryogen lines must be in the lower tray 3 The gradient cable group must align to the magnet isocenter 4 The grouping order shown is recommended to prevent the signal data cables from crossing over the gradient cables when dropping to the magnet 10 The top of the cable support must be less than 128 in 3251 mm above the finished floor 110 2 MR System Interconnects Routing Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 11 Cables must be accessible on at least one side and require a minimum of 10 in 254 mm from the top of the support to any object above the support obstructions except as noted in the following requirement 12 Obstructions up to 10 in 254 mm wide are allowed 1 in 25 4 mm above the top of the cable support with 10 in 254 mm of clear space on either side of the obstruction see Illustration 6 2for an obstruction example in the Magnet room Illustration
138. nstallation Manual GE Healthcare Direction 5670001 Revision 3 0 4 Heat Exchanger Cabinet HEC Specifications Facility coolant is supplied to the Heat Exchanger Cabinet HEC The HEC provides closed loop chilled water circuits for the Power Gradient RF PGR Cabinet in the equipment room and the Gradient Coil inside the Magnet Enclosure The HEC also routes facility chilled coolant to the Cryocooler Compressor CRY 1 Weight approximate a Dry shipping no fluid 950 Ibs 431 kg b Wet with cooling fluid 1350 Ibs 612 kg 2 Magnetic Field Limit 50 Gauss 5 mT 86 4 Heat Exchanger Cabinet HEC Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 4 4 Heat Exchanger Cabinet HEC Heat Exchanger Cabinet HEC 1 All Dimensions are in inches Bracketed dimensions are in milimeters Airflow Clearance 4 102 Lifting Hole Detail y 14 078 20 4 o AIL M12 x 1 75 mm 0 78 Mounting Holes 20 Same for each corner Top View Service Clearance Cabinet Front Installation Clearance Installation Clearance Cabinet Top Service Clearance Cable 15 381 3465 880 e 15 381 13 330 Ciearance 36 34 33 gt 6 152 914 872 Service Clearance Service Clearance Front View Side View Cabinet Front Center of 17 3 Gravity 440 Dry Insta
139. nt a besoin de ce manuel dans une langue autre que l anglais il incombe au client de le faire traduire Ne pas tenter d intervenir sur les quipements tant que ce manuel d installation et de maintenance n a pas t consult et compris Le non respect de cet avertissement peut entrainer chez le technicien l op rateur ou le patient des blessures dues des dangers lectriques m caniques ou autres Diese Serviceanleitung existiert nur in englischer Sprache Falls ein fremder Kundendienst eine andere Sprache ben tigt ist es Aufgabe des Kunden f r eine entsprechende Ubersetzung zu sorgen Versuchen Sie nicht diese Anlage zu warten ohne diese Serviceanleitung gelesen und verstanden zu haben Wird diese Warnung nicht beachtet so kann es zu Verletzungen des Kundendienst technikers des Bedieners oder des Patienten durch Stromschl ge mechanische oder sonstige Gefahren kommen o arraire EYXEIPIOIO GE EKT G TWV 0 0 TOU UTTNPEGIES rrixeiprjoere EPYACIWV av cupBouAeure KAI karavorjozi EYXEIPIOIO o pic TIPOGEEETE
140. nt vibration is not locatable it is recommended that the customer have an alternate location identified and the vibration studied Transient vibration can be difficult to assess if the details are not understood The 0 0005g zero to peak trigger level is a starting point to understanding the vibration stability The transient vibration peak amplitude structural time variant response decay rate and an estimate of the number of events per unit of time would constitute a complete transient analysis All transient failures must be supported by time history plots The plots must clearly show the structural response the frequency of the signature and the decay rate From this data GE Heatlhcare can help determine compliance with the vibration guidelines The test consultant must provide site data to show the design recommendations for all sites building structures meet the Magnet specifications found in Chapter 3 Magnet Room Structural Requirements 2 4 Presentation Interpretation of Results 1 The recommended format site vibration data collection presentation and analysis is demonstrated in the examples in Illustration 7 1 Illustration 7 2 Illustration 7 3 and Illustration 7 4 Presentation of the data in any other format linear units only may result in incorrect interpretation and diagnosis of the site Additional data collection or presentation methods are at the option of the vibration testing service 2 All plots must be prope
141. or multiple MR system installations cables from different MR systems must not share the same cable support Chapter 6 MR System Interconnects 115 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 3 MR System Cable Specifications MR450w cables are marked with an X in the column titled 450w The other cables are not used with the MR450w system 116 3 MR System Cable Specifications Manual 3 0 vision installati Tel Direction 5670001 Re Optima MR450w GE Healthcare System Cable List Page 1 Illustration 6 7 9 qe 006 1 tld jeixeoo 006 71 PES bid VIN jexeoo 006 bis INO WIN 006 tld BIGED 006 471 bid 4 2 006 41 tld VIN jeixeoo 006 471 Fall adi vid WIN WIN VIN 2 io o bis 210 02 2 1 2327 22111154 cit a 19 tld 219 tld uondo Jepuo JeuBiH TE via 19 tla WO UNPUOD OMYZL 3004 2 dwa Snipey joyoueig puag plenus preaq Jor 1260 Wusue 5 6220666 38 18 1 9017 MdS 01 6 10013 rens preva 2 102 769
142. p 45 el Std sweep 90 el Long sweep 45 el Long sweep 907 el bow K 15 bow 30F bow K 7 5F bow K 15 component from magnet straight pipe with om oem uum m m ee om 8 21 4 41 laln SJS in a 4 76 4 ola N aloju A Chapter 7 Appendicies 155 Co A Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Distance of vent system Pressure drop for Pressure Drop Per Elbow Used Anywhere Within A 20 Ft 6 1 M Vent Segment component from magnet straight pipe with smooth inside sur Standard Sweep Long Sweep face Std sweep 45 el Std sweep 90 el Long sweep 45 el Long sweep 90 el bow K 15 bow 30F bow 7 5F bow K 15 F o mm pe om ue o em om o 180 200 54 9 61 0 0 084 0 987 11 31 0 490 0 826 1 Elbows with angles greater than 90 must not be used Notes 2 The table data is based on the followings Initial flow conditions at magnet interface Gas temperature starting at 4 5 Kelvin 452 F or 268 Helium gas flow rate of 2 737 cubic feet per minute 77 5 cubic meters per minute 45 standard sweep elbow
143. pt at a distance of 0 3 m from the wall ii Starting with the Receive Antenna directly parallel to the Transmit Antenna begin to slowly move the Receive Antenna in a Volume Parallel to the screen room wall 1 m above the initial position and 0 3 m above the floor measure 0 3 m from the floor to the bottom of the antenna and 1 m to the left and right of the initial position iv Measure and record the highest power in this volume 4 94 Shielding Effectiveness calculation The shielding effectiveness is calculated with the reference level measurement and the attenuated level measurement as defined in Equation 1 Chapter 7 Appendicies 143 GE Healthcare or Where Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 SE db gt M Att max SE db P Att max SE Shielding Effectiveness in dB Vnet max max Reference measurement in dBuV Pret Patt max Reference measurement in dBm 4 10 RF Screen Room Ground Isolation Resistance Measurement Guideline 1 This section does not apply to upgrades 2 This test must be made using either an isolated current limited high voltage gt 150 VDC DC source and DMM to read drop across the limiting resistor or a Megger instrument capable of reading values less than 1000 ohms Conventional resistance meters employing test sources of 9 VDC or less must not be used 3 To prevent personal hazard it is necessary for the enclosur
144. ration Panel Cabinet PEN 444110000 nnns 88 6 Secondary Penetration Wall SPW 90 7 PEN SPW Wall Opening 2 2 7 2 2 2 2 000000000000 030004002 92 8 Cryocooler Compressor CRY 93 9 Magnet Monitor MON Requirements and 94 91 Requirements 5 rnc da gud 94 9 2 Specifications isis ec cem en eI Ree HE IO HARI LS EECERR ENTRE 94 10 Brainwave Lite BW 5 2 22 2244 4 2 2 2 14444 40440 innen bnt ren 96 11 Magnetic Resonance Elastography MRE 97 11 17 oo er reete etc ere 97 11 2 SpecifiCatioris ce t ER RE REEF ERR FR REGE HERR SERERE FARE nd 97 Chapter 5 CONTROL ROOM tite ette ctn pied huerto bed nee te Cb 99 1 Operator Workspace Equipment 99 1 1 Operator Workspace tenen bene een cen SER ARR E RELIER NUS 99 1 2 Global Operator Cabinet scissa ee Re ins die
145. rking lane radial x axial lances Chapter 2 General System Level 33 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Metal Objects Category Definition Of Distance Location Magnet Minimum Distance Radial X Axial ft m See Note 1 Bus Trucks Utility Distance from isocenter measured to center of driving 18 1 x 28 75 5 52 x 8 76 Dump Semi parking lane radial x axial Objects gt 400 Ibs Eleva Place a directional probe e g flux gate sensor at iso Refer to Illustration 2 9 and notes below tors Trains Subways center of proposed magnet location aligned along the Z axis Measure peak to peak magnetic field change DC Notes 1 Radial distances are magnet X and Y axis Axial distances are magnet Z axis 2 EXAMPLE For Moving Metal Requirements of objects gt 400 Ibs category you can use the time history of the occurrence to determine what milligauss level to use a Ifthe site has elevators counter weights near the magnet and the elevator can stop on the floors for longer than 20 seconds which is usually the case peak to peak milligauss reading must be less than 5 87 If the site has a subway nearby and the field disturbance is less than 2 seconds the peak to peak milligauss reading must be less than 5 87 Use 5 87 milligauss peak to peak 34 7 MR Suite Magnetic Field Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0
146. rly annotated with a Instrumentation setup including number of averages frequency resolution etc Chapter 7 Appendicies 131 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 132 b Test location c Test conditions i Steady state ii Transient iii Heel drop iv Normal environment v Typical traffic vi Any other conditions necessary to demonstrate understanding of potential sources of vibration The customer s vibration testing service is responsible for interpreting the results and determine if that site meets GE Healthcare specifications If the vibration levels are too high additional data acquisition may be necessary to a Determine the source of the vibration b Propose a solution to the problem c Find an alternate site location Any questions regarding test equipment requirements test parameters or general questions should be discussed with the GE Healthcare Project Manager of Installation PMI 2 MR Site Vibration Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 7 1 Example of Site Environmental Vibration Levels Site Environmental Vibration Levels 20 Lin Ave HANN 0 125 Hz Site Steady State Ambient Vibration Levels LIN Acceleration g s 10 6 0 4 7 9 11 13 15 17 19 21 24 26 29 31 34 37 40 42 44 45 47 50 Frequency Hz Chapter 7 Appendicies 133 Optima MR450w Preinstallation Man
147. ruction of steel studs typically 3 5 8 inch 92 mm with 2 layers of Type X drywall typically 5 8 16 mm on each side totaling 4 layers and fiberglass batt in the stud cavity All drywall must be overlapped by 6 inches 152 mm or more Beads of USG Acoustical Caulking non hardening would be used around the entire perimeter of the drywall Any form of wall penetration should be avoided Any necessary wall penetrations must be sealed using Chapter 7 Appendicies 147 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 combination of Acoustical Caulking non hardening and fiberglass batt material See examples of wall construction shown in Illustration 7 9 and Illustration 7 10 The top of the wall must join the ceiling floor above so that no cracks or gaps occur If metal panis used onthe ceiling floor above then flute seals would be used to seal the gaps between the drywall and the pan Alternately drywall can be cut out to fit into the flutes Acoustical caulking non hardening will be used to seal the remaining cracks and gaps Illustration 7 9 Example Of Wall Construction For Airborne Noise Control Option 1 Exterior Wall to MR Suite Option 1 16 inch off center studs location Double Layer of 5 8 inch drywall both walls Steel Wall Studs double wall RF Shield MR Suite Finished Wall 16 inch off center studs location Interior Wall to MR
148. ryocooler Compressor 26x28x42 660x711x 2 1067 Rear Pedestal Assembly 34 58x48 864 x 1473 x with Rear Split Bridge As 1219 sembly Low Profile Car riage Cover MR Component International International Add 2 200 for Add 998 for Cra Crating ting Pallet with box cover 00 310 Box on pallet Enclosure Top 48x36x36 1219 914 30 Box 914 Enclosure Skirts 40x24x24 11016 610 30 Box 610 Patient Table 94x29x38 12377 722 618 2 Pallet 952 Power Gradient RF Cabi 67 25 x 41x 1708 x 1041 3654 1657 Pallet net PGR Domestic 88 x 2235 Power Gradient RF Cabi 68 25 x42x 1734 x 1067 3654 1657 Pallet net PGR International 92 x 2337 Penetration Panel Cabinet 43 75 x 35 25 1111 x 895 x 710 Pallet PEN Domestic x 80 75 2051 Penetration Panel Cabinet 44 75 x 35 25 11137 x 895 x 770 Pallet PEN International x 84 75 2153 101 350 43 125 100 80 Pallet Pallet with cardboard cover Heat Exchanger Cabinet 46x45 75x 1168 x 1162 1150 HEC International 84 x 2134 On cart casters with box cover Secondary Penetration 21x24x64 533 x 610 x Wall 1626 SPT Phantom Set 34 x 32 5 x 60 864 x 826 x 1524 Operator Workspace Cab 24 x 35 31 600 x 900 x 2 Wood pallet with cardboard cover inet 780 Operator Workspace Dis 27 x 33x27 686 x 838 x play 686 Operator Workspace 32 x 32x23 813 x 813 x Box equipment 584 x 940 1 1 3 3 5 4 1 1 4 25 32 14 14 80 22 50 HEC Dome
149. stic x 2032 22 5 59 10 57 5 82 Chapter 2 General System Level 51 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Table 2 15 MR System Optional Component Shipping Specifications BrainWaveHW Lite Cabi 24x23x72 610x584 x 320 147 On cabinet casters wrapped with plastic net 320 VibroAcoustic Damping 36x65x12 914 x 1651 x Box on pallet Option 305 Table 2 16 MR System Component Replacement Shipping Specifications Component Approximate Weight Ibs kg Overall Split Bridge 40 18 21 5 x 77 3 x 7 546 x 1969 x 177 8 Replacement RF Body Coil 155 70 30 x 30 x 60 762 x 762 x 1524 Replacement coil is shipped in a protective case Weight amp dimen sions are for coil amp case Replacement XRM Gradient Coil 3194 1449 39 99 84 59 991 x 2536 x Initial Gradient Coil Assembly is Assembly on a Shipping Cradle 1499 See Note shipped installed in the Magnet Cart Shipping installation cart is used to install replacement coil assembly only Gradient Coil Replacement Tool 750 340 30 x 86 x 28 762 x 2184 x 711 Gradient Coil Assembly and ship Kit Crate ping cart dimensions are with cart in lowest position Cart can be ad justed to maximum height of 61 88 in 1572 mm Note The replacement Gradient Coil Assembly weight is approximately 2205 Ibs 1000 kg the shipping cradle is 132 Ibs 60 kg and the Gradient Coil Assembly shippin
150. stood Failure to heed this warning may result in injury to the service provider operator or patient from electric shock mechanical or other hazards See teenindusjuhend on saadaval ainult inglise keeles Kui klienditeeninduse osutaja n uab juhendit inglise keelest erinevas keeles vastutab klient t lketeenuse osutamise eest ritage seadmeid teenindada enne eelnevalt k esoleva teenindusjuhendiga tut vumist ja sellest aru saamist K esoleva hoiatuse eiramine v ib p hjustada teenuseosutaja operaatori v i patsiendi vigastamist elektril gi mehaanilise v i muu ohu tagaj rjel Important Information GE Healthcare VAROITUS Fl ATTENTION FR WARNUNG DE MPOEIAONOIHZH EL FIGYELMEZTETES HU Important Information Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 huolto ohje on saatavilla vain englanniksi Jos asiakkaan huoltohenkil st vaatii muuta kuin englanninkielist materiaalia tarvit tavan k nn ksen hankkiminen on asiakkaan vastuulla l yrit korjata laitteistoa ennen kuin olet varmasti lukenut ja ymm rt nyt t m n huolto ohjeen Mik li t t varoitusta ei noudateta seurauksena voi olla huoltohenkil st n laitteiston k ytt j n tai potilaan vahingoittuminen s hk iskun mekaanisen vian tai muun vaar atilanteen vuoksi Ce manuel d installation et de maintenance est disponible uniquement en anglais Sile technicien d un clie
151. t Room Electrical and Grounding Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Chapter 4 Equipment Room 1 Equipment Room Overview The illustration below shows a typical Equipment room layout Illustration 4 1 Typical Equipment Room Layout Cabinet or Equipment Service Installation area 0111 ud DC Lighting Notes Layout shown is typical for an approximate 6 ft 1 8 x 20 ft 6 m Equipment room Drawing is to scale but see individual component descriptions and room requirements for dimensions MDP and Lighting converter service access area long dimension shown as 48 in 122 cm Service Installation areas may overlap as necessary Magnet Monitor MON may be mounted on either side of the HEC Optional equipment is not shown Chapter 4 Equipment Room 83 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 Main Disconnect Panel MDP Specifications The Main Disconnect Panel MDP is provided with the MR system 1 Weight 130 Ibs 59 kg 2 Magnetic Field Limit 50 Gauss 5 mT Illustration 4 2 Main Disconnect Panel Main Disconnect Panel MDP All Dimensions are in inches Bracketed dimensions are in millimeters 36 914 4 9 8 250 5 7 145 0 3 8 26 3 600 A C Service Clearance Front View Floor Side View 64 2 Main Disconnect Panel MDP Spe
152. t anchors must not contact floor rebar or other structural steel Magnet anchors must electrically contact the RF shield at point of entry p s e gt Magnet anchors must have the following properties a Anchors must be two part assembly male female b Female side must be expansion or epoxy type c Male side must be a bolt or threaded rod with appropriate sized nut bolt or rod must be removable not epoxied or cemented in place d Anchors must be electrically conductive e Anchors must be non magnetic f Anchors must not induce galvanic corrosion with the RF shield g Anchors must be commercially procured 5 RF Shielded Room Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 h Anchor rods diameter must be between 0 625 in M16 and 1 25 in M32 i Anchors must meet the following clamping force 2 700 105 12 000 j The anchor rod must not extend less than 4 5 in 110 mm above the finished floor k The anchor rod must not extend more than 5 in 130 mm above the finished floor NOTE Refer to Chapter 7 Selecting Magnet Anchor Size for an example of how to properly size the Magnet anchor 8 The RF shield vendor must perform a pull test on each anchor equal to the clamping force before installation Results must be provided to the GE Healthcare Project Manager of Installation PMI 5 4 3 Dock Anchor Mounting Requirements Illustration 3 4 Dock Anchor Mounting Options
153. talled c ldentification of calibrated equipment used for measurement i Manufacturer ii Model Serial number iv Calibration due date d Pictures or RF screen room shielding effectiveness test showing i Overall view of RF shielded room ii Window s door s filter s iii Blank penetration panel Installed additional penetration points waveguides vents ducts etc iv Test set up for reference level measurement v Test set up for attenuated level measurement Chapter 7 Appendicies 145 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 5 Acoustic Background and Design Guidelines The acoustic information is provided for site planning and architectural design activities to address acoustics to meet local regulations and customer requirements For more information about recommended safety procedures regarding patient exposure to MR generated acoustic levels see the MR Safety Guide included with the system Users Manual 5 1 Acoustic Background A typical MR suite has two types of acoustic noise issues The first is the acoustics within the rooms in which the patients and technicians are impacted by the noise of the MR system as the gradients are pulsed The second is noise transmitted to other spaces via airborne and structureborne paths 5 1 1 Airborne The airborne transmission path entails the excitation of air within the magnet room the resonator module consisting of the magnet
154. te vibration exhaust fans air conditioners pumps etc and transient vibrations traffic pedestrians door slamming etc must be assessed Specific requirements for vibration mitigation include 1 The Magnet MAG cannot be directly isolated from vibration Any vibration issue must be resolved at the source 2 MR Suite HVAC must have vibration isolation 3 Avibration analysis must be performed at the proposed site with the results and any mitigation forwarded to the GE Healthcare Project Manager of Installation PMI See the Chapter 7 MR Site Vibration Test Guidelines 4 Atransient vibration test must only be performed after a steady state test has been performed and all steady state sources of vibration have been mitigated 5 Transient vibration levels above the specified limits in the Chapter 7 MR Site Vibration Test Guidelines must be analyzed 6 Anytransient vibration that causes vibration to exceed the steady state level must be mitigated Chapter 3 Magnet Room 55 GE Healthcare 56 Acceleration g s 10 Above Ambiant Baseline Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Illustration 3 2 Magnet Steady State Vibration Specifications Magnet Steady State Vibration Specifications 450 400 350 300 250 200 150 100 50 0 10 20 30 40 50 Excitation Frequency Hz 2 Magnet Room Structural Requirements Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revis
155. the Penetration Panel to the Control Box 1 Weight 0 5 Ibs 0 2 kg 2 Magnetic Field Limit 50 Gauss 5 mT 3 The Control Box must be mounted within sight of operator and within 5 ft 1 5 m of an electrical outlet Chapter 5 Control Room 101 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 5 5 Pneumatic Patient Alert PA NOTE 4 lt 1 016 ALL DIMENSIONS ARE IN INCHES ALL BRACKETED DIMENSIONS ARE IN MILLIMETERS T o gt 9 x 3 0 D 76 2 m 1 4 375 lt 111 1 TOP VIEW 1 25 QUE 63 0 0 125 SIDE VIEW 3 2 1 12 2 12 41 4 44 Ei MOUNTING PATTERN 28 4 53 8 UR is 102 7 Operator Workspace Equipment Specifications Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 2 Oxygen Monitor OXY Specifications The Oxygen Monitor system consists of the Oxygen Monitor the Remote Oxygen Sensor Module and interconnects through the Secondary Penetration Wall SPW The Oxygen Monitor alarm is located near the Operator Workspace is activated by the Remote Oxygen Sensor Module in the Magnet Room 2 1 Oxygen Monitor OXY Requirements The Oxygen Monitor requires facility supplied power Table 5 1 Oxygen Monitor Facility Power Requirements Voltage Frequency 100 120 VAC 50 60 Hz 200 2
156. to allow passage c Sufficient room is provided for any required dollies or rigging 12 2 Facility Delivery Route Requirements The following table lists the delivery dimensions of system components The delivery route must be planned to accommodate the dimensions listed Table 2 13 Delivery Route Requirements Width Depth Height Weight m Timm ee wf See Magnet shipping dimensions Table 2 14 Cryogen Dimensions vary depending on dewar type used Verify with cryogen supplier PGR Cabinet 78 75 2000 872 2108 3459 1115 Cabinets are moved with dollies attached to each side adding 20 in 520 mm to the width and PEN Cabinet 180 Ibs 82 kg to the weight Cabinets must be raised to re 44 1 1120 39 4 1000 76 1930 819 371 move the pallet but may low ered almost to floor level while moving 12 3 MR System Component Shipping Specifications MR system component shipping dimensions and weight are listed below 50 12 MR System Shipping and Receiving Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Table 2 14 MR System Component Shipping Specifications Approximate W x D x H Approximate Weight o w c Magnet as shipped with 93 x 144 x 107 2362 3658 Domestic Domestic Domestic Tarped International Crate Pallet lifting bars 11 735 5322 Magnet Accessory Equip 48 48x28 1219 x 1219 ment 711 C
157. ual GE Healthcare Direction 5670001 Revision 3 0 LIN Acceleration g s 10 6 134 Illustration 7 2 Example Site Environmental Vibration EXAMPLE Site Environmental Vibration vs GE Spec for 1 5T Magnet 20 Lin Ave Hann 0 125Hz 500 Site Steady State Vibration Levels 450 Site Ambient Baseline Vibration Level GE Spec Above Ambient Baseline 400 350 300 x 325 Ex x 250 200 I 34 0 4 7 9 11 13 15 17 19 21 24 26 29 31 34 37 40 42 44 45 47 50 Frequency Hz 2 MR Site Vibration Test Guidelines Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 Illustration 7 3 Acceleration Time History MR 500 micro g EVENT AN INPUT LIN NEN Ahaan A 0 0 LIN TIME SEC 0 125 500 micro g EVENT AN INPUT LIN CH2 2Y g 0 0 LIN TIME SEC 0 125 TIME SEC 0 0 1 Co Chapter 7 Appendicies 135 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 136 Illustration 7 4 Acceleration Time History Zoomed In on Transient Event MR 4 s aT 1 0 02000 LIN TIME SEC 0 08000 MR aree T ETT d NENNEN KEEN 0 02000 LIN TIME SEC 0 08000 TIME SEC 0 0 2 MR Site Vibration Test Guidelines GE Healthcare
158. w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 6 Sample Calculation AC Power Equipment Minimum Distance This is a sample calculation to determine minimum distance from a feeder transformer or other AC electrical source using the Formula found in Chapter 2 MR Suite Magnetic Field Specifications Electrical Current subsection to determine minimum distance from a feeder transformer or other AC electrical source amps 20X meters S meters Note that the formula has 3 variables if you have 2 of them you can calculate the 3rd In this example we calculate the minimum distance X from the source in this case a main electrical feeder carrying 450 amps of current in a 5 inch conduit X meters I amps x 5 Meters 20 amps S Rearranging 2 Note that the separation S is the spacing between the conductors and when all 3 conductors are run in a single conduit S is simply the diameter of the conduit S 5 inches 0 127 meters Minimum Distance x 5 in 0 127 m Conduit d Current 450 amps 450 amps x 0 127 Meters 20 conduit should be 1 7 meters or 5 6 feet from the magnet isocenter In other situations the spacing S may be the spacing between HV feeders the distance between transformer lugs or the spacing between conduits when the phase conductors are run in separate conduits What if it is too close Keep in mi
159. y 15 feet 4 6 meters wide a Customer must be restrict and label area with appropriate warning signs b Must not include air intake vents c Must not include any personnel building components or objects movable or stationary 2 Fora rooftop exit a Use either a horizontal exhaust vent with a 90 elbow and minimal pressure drop or other low pressure drop high flow rate roof cap b The bottom of the 90 elbow must be at least 3 feet 0 9 meters above the roof deck or higher if at risk of being blocked by drifting snow sand etc Chapter 3 Magnet Room 77 Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 c The outlet must be covered with a 0 5 inch 12 7 mm square screen mesh d The exhaust vent must be included in the pressure drop calculation 3 Fora sidewall exit a Usean exhaust vent with a 45 elbow with a deflector rated for the helium reaction force and no restriction in gas flow b The exhaust exit must be at least 12 feet 3 66 meters above the ground c The outlet must be covered with a 0 5 inch 12 7 mm square screen mesh d The outlet must be covered to prevent foreign material from entering or blocking the opening e g louvers etc e The exhaust vent must be included in the pressure drop calculation 78 8 Magnet Room Requirements GE Healthcare Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Illustration 3 14 Cryogenic Vent
160. ya hastan n yaralanmas na yol a abilir Optima MR450w Preinstallation Manual GE Healthcare Direction 5670001 Revision 3 0 This page left intentionally blank 10 Impor ant Information GE Healthcare Optima MR450w Preinstallation Manual Direction 5670001 Revision 3 0 Revision History 0 1 2 Revision History 01Dec2009 Description Initial Release Document review and approval per DOC0675763 R2 V3 Ch Sec No Ch 6 Sec 1 3 iTrak No Change 13252239 Added Brainwave cable information 13230415 Ch 3 Sec 82 Clarified Incoming air must contain 5 outside air from outside the room 13254391 Ch 4 Sec 5 Updated Pen cabinet installed height and width MRIhc45228 MRIhc45709 Ch 6 Sec 3 Updated system cable list MRIhc45702 Ch 2 Sec 11 Standby no scan missing should be 17 kVA Ch 2 Sec 3 Missing dimension on illustration 2 2 Front of Magnet to front of service area 103 5 in Missing RF survey specifications same as 450 Add back in Ch 2 Sec 82 79 2 in is shown as is 3000 mm Should be 79 2000 Ch 3 Sec 5 4 Ch 3 Sec 5 6 Magnet anchor drawing titled Magnet and Dock Anchor Mount ing Details MRIhc45703 Ch 3 Sec 22 Updated steel limit table distance from isocenter values MRIhc45705 Ch 3 Sec 5 2 5 Updated RF shielding test requirement from 150 MHz to 100 MHz with recommendation for 150 MHz for new construction to accommodate upgrades MRIhc45706 Ch 4 Sec 4 Ch 4 S

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