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Nihon Kohden Electrode Junction Box JE

1. 2 26 Changing the System Settings A 2 27 General 2 27 Selecting the Electrode Junction BOX 2 28 Settings When Using Two Electrode Junction BOXES 2 29 Operator s Manual JE 921A AG Instrument Location Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION The electrode junction box measures very small electrical potential changes 5 to 200 uV Ideally the electrode junction box should be installed in a shielded room that has attenuation characteristics of 20 dB or more Select the examination locations as follows and also refer to GENERAL HANDLING PRECAUTIONS and electroencephalograph operator s manual WARNING e Never use this electrode junction box in the presence of any flammable anesthetic gas or high concentration oxygen atmosphere Failure to follow this warning may cause explosion or fire e Never use this electrode junction box in a high pressure oxygen medical tank Failure to follow this warning may cause explosion or fire CAUTION Do not install the electrode junction box near equipment with a high power consumption such as large X ray equipment Do not install the electrode junction box near a power line dynamo or motor which has electromagnetic induction Do not install the electrode junction box
2. 2 28 Settings When Using Two Electrode Junction BOXES oooococccnccccconccccconanconnnncaninnnnos 2 29 Section 3 Troubleshooting MaintenanCe 3C 1 TMOUDISSMOOUING EE 3 1 Electrode Junction BOX arista an a 3 1 SPOL Eror Messages 3 2 CO Error MESS JES 3 3 Oli Vi Le 3 4 Check Items After USO A 3 4 Cleaning Disinfecting and SteriliZing 3 5 EE Ur Le WEE 3 5 DISINIGCUIAG E 3 5 Electrodes and ME le EE 3 6 Electrode Cleaning sionista car ia enceinte dicte 3 6 Disinfection and Gitertltzing A 3 6 Electrode Lead Check AA 3 7 Regular Checkout 3 7 Repair Parts Availability Policy coccion ici ai 3 7 C 2 Operator s Manual JE 921A AG Section 4 CONTENTS E eege 4C 1 SPCCIHICALIONS ini a ias 4 1 Ee re WE 4 5 Optional ACCESSOLSIES 4 6 Input Output Connector Jack Pin Assignment lt 4 7 JE 921A AG Electrode Junction BOX 4 7 JE 922A AG Mini Junction Bos 4 10 Operator s Manual JE 921A AG C 3 CONTENTS This page is intentionally left blank CA Operator s Manual JE 921A AG GENERAL HANDLING PRECAUTIONS This device is intended for use only by qualified medical
3. Operator s Manual JE 921A AG Installation Electrode and Sensor Attachment Cable Connection Operator s Manual JE 921A AG 1 GENERAL WARNING For the patient safety equipotential grounding of all instruments must be performed Consult a qualified biomedical engineer e Connect only the specified instruments to the connectors or socket marked with A by following the specified procedure Otherwise electrical leakage current may harm the patient and operator CAUTION When connecting the cables make sure that the electroencephalograph is turned off When the JE 922A AG Mini Junction Box is not used make sure that the multiple connector cover is firmly attached to the electrode junction box Failure to follow this caution may cause electrical shock to the patient and operator Do not touch the multiple connector on the electrode junction box while the power is turned on Before connecting the JE 922A AG Mini Junction Box or the BE 911A 912A EEG Disk Electrode to the electrode junction box discharge the electrostatic energy from yourself by touching a metal part which is connected to ground Otherwise the electrode junction box may malfunction WARNING Do not connect the Z electrode lead plug to a ground or equipotential ground Otherwise leakage current from another instrument cause electrical shock to the patient Before connecting or disconnecting the DC input cable to the DC input connector
4. SpO Measurement WARNING Measurement may be incorrect in the following cases When the patient s carboxyhemogloin or methemoglobin increases abnormally When dye is injected in the blood When using an electrical surgery unit During CPR When there is body movement When there is vibration When measuring at a site with venous pulse When the pulse wave is small insufficient peripheral circulation When using an IABP intra aortic balloon pump Check the circulation condition by observing the skin color of the measuring site and pulse waveform Change the measuring site every 8 hours for disposable probes and every 4 hours for reusable probes The skin temperature increases at the attached site by 2 or 3 C and cause burn or pressure necrosis When using the probe on the following patients take extreme care and change the measuring site more frequently according to symptoms and degree A patient with fever A patient with peripheral circulation insufficiency Neonate or low birth weight infant with delicate skin To avoid poor circulation do not wrap the tape too tight when fixing the probe with surgical tape Check the blood circulation condition by observing the skin color and congestion at the skin peripheral to the probe attachment site Even for short term monitoring there may be burn or pressure necrosis from poor blood circulation especially on neonates or low birth weight infants whose skin is delicate Accurate measurement ca
5. etCO measurement etCO measurement is possible with the optional TG 921T3 CO Sensor Kit and nasal adapter NOTE This electrode junction box can be connected to an EEG 9100A J K G and EEG 9200A J K G Electroencephalograph that has system program version 05 50 or later When the system program version is earlier than 05 50 upgrade the system program with the QS 002AK Upgrade Software Use only Nihon Kohden recommended parts and accessories to assure maximum performance from your instrument For EEG measurement refer to the EEG 9100 9200 operator s manual Trademarks Windows is a registered trademark of Microsoft Corporation Other models and trademarks are the property of their respective owners Operator s Manual JE 921A AG 1 1 1 GENERAL General Safety information 1 2 WARNING e Never use this electrode junction box in the presence of any flammable anesthetic gas or high concentration oxygen atmosphere Failure to follow this warning may cause explosion or fire e Never use this electrode junction box in a high pressure oxygen medical tank Failure to follow this warning may cause explosion or fire Using with an electrical surgical unit ESU e When using this electrode junction box with an ESU refer to the instruction manual for the ESU Before measurement check that the return plate is correctly attached to the patient and that the electrode junction box operates correctly when using with the ESU If th
6. yy gt 1 25 oF 26 500 00 Connector Pin No Signal 1 DGND 2 Not used 3 5 V OUT 4 RxD 5 TxD 6 Not used 7 CON CHK Junction box side TCS7678 01 201 Cable side MP 371 7 Multiple Connector Pin No Signal Pin No Signal 1 FP1 26 T2 2 FP2 27 Not used 3 F3 28 Not used 4 F4 29 X1 5 C3 30 Xl 6 C4 31 X2 7 P3 32 X3 8 P4 33 44 9 Ol 34 X2 10 02 35 X3 11 Al 36 X4 12 A2 37 X5 13 F7 38 X5 14 F8 39 X6 15 T3 40 X6 16 T4 41 X7 17 T5 42 X7 18 T6 43 Z 19 FZ 44 AG 20 PZ 45 AG 21 Not used 46 AG 22 PGI 47 Not used 23 PG2 48 Not used 24 CZ 49 Not used 25 Tl 50 Not used Junction box side PCR ESOLMD SLB1 Code No 513713 Connector PCR ESOFA Housing PCS XEMSOGLIU2N Cable side Operator s Manual JE 921A AG hia Operator s Manual JE 921A AG DC Input Connector Max 5 V input impedance 1 5 MQ Pin No Signal 1 Not used 2 DC INPUT 3 DGND Junction box side Cable side REMOTE MARK Connector HSJ1462 01 010 Code No 608389 KP 2S Code No 608406 2 5 mm q miniature jack Pin No Signal 1 Not used 2 MARK INPUT 3 DGND 4 Not used 5 Not used 6 Not used T Not used Junction box side Cable side HSJ2000 01 010 Code No 501503 3 5 miniature jack Code No 60690
7. When ordering the following accessories consumables specify the supply code No When the supply code No is not provided with the accessory specify the code No Operator s Manual JE 921A AG No Description Q ty Code No Supply Code No 1 Miniature stereo plug KP 2S 4 608406 2 Ferrite core 1 609477A 4 5 4 REFERENCE Optional Accessories Chest abdomen respiration pickup for adult TR 751T Chest abdomen respiration pickup for child TR 752T e Air flow respiration pickup for adult L type TR 761T Air flow respiration pickup for child clip TR 762T e Air flow 3 port respiration pickup for adult TR 0001 Air flow 3 port respiration pickup for child TR 0002 EEG disk electrode shielded type 24 electrode leads BE 911A e EEG disk electrode shielded type 12 electrode leads BE 912A e SpO adapter JL 951T3 Finger probe BluPRO TL 201T Multi site probe BluPRO TL 220T Multi site Y probe TL 260T SpO probe for adult 1 6 m BluPRO TL 251T SpO probe for child 1 6 m BluPRO TL 252T SpO probe for neonate 1 6 m BluPRO TL 253T SpO probe for adult and neonate 0 8 m TL 051S SpO probe for adult and neonate 1 6 m TL 052S SpO probe for adult child and infant 0 8 m TL 061S SpO probe for adult child and infant 1 6 m TL 062S 2 CO sensor kit TG 921T3 Nasal Adapter for nasal breathing YG 120T Nasal Adapter for naso oral breathing YG 121T 4 6 Operator
8. announcements contact your Nihon Kohden representative Operator s Manual JE 921A AG 3 7 3 TROUBLESHOOTING MAINTENANCE This page is intentionally left blank 3 8 Operator s Manual JE 921A AG Section4 Reference Specifications 2 4 1 E ere Be 45 Optional ACCESSONSS anisses a a od 4 6 Input Output Connector Jack Pin Assignment 4 7 JE 921A AG Electrode Junction BOX 4 7 JE 922A AG Mini Junction Bos 4 10 Operator s Manual JE 921A AG 4C 1 This page is intentionally left blank 4C 2 Operator s Manual JE 921A AG Specifications Data Acquisition Number of input jacks EEG inputs on electrode position layout 25 Z reference input for feedback Bipolar inputs Respiration inputs SpO input CO input DC input Input impedance Input leakage current Internal noise level CMRR EEG input Bipolar input Low cut filter High cut filter Offset tolerance A D conversion Sampling and hold Sampling frequency 14 7 pairs 3 X5 to X7 can be used for respiration input RESP F C A 1 1 4 100 MQ less than 5 nA Less than 1 5 uVp p 0 53 to 60 Hz 105 dB or greater at 60 Hz 100 dB or greater 0 08 Hz time constant 2 s 300 Hz 18 dB oct 600 mV 16 bits 97 nV LSB All electrodes at the same time 100 200 500 1 000 Hz Safety when connectin
9. make sure that the power of the external instrument is turned off or DC signal is not output from the external instrument Failure to follow this warning may cause electrical shock to the patient and operator Only connect the respiration pickup which is specified by Nihon Kohden to the RESP F C A jack If an unspecified respiration pickup sensor or equipment is connected electrical leakage current may harm the patient and operator 1 GENERAL Operation 1 4 CAUTION es The TR 751T TR 752T chest abdomen respiration pickup contains dry natural rubber Natural rubber may cause allergic reaction with symptoms such as itching redness urticaria swelling fever dyspnea symptoms similar to asthma reduced blood pressure and shock If the patient shows any of the above symptoms immediately stop using the respiration pickup and perform appropriate medical treatment Using a collodion electrode or EEG paste If rash redness or itch appears on the patient skin from the use of collodion or EEG paste immediately remove the collodion or EEG paste from the skin and perform medical treatment Never allow collodion or acetone to get in the patient s eyes If collodion or acetone accidentally gets in the eyes immediately and thoroughly wash eyes with clean water and perform medical treatment immediately If chemical solution is swallowed have the person drink water and vomit the chemical solution Perform medical treatment im
10. or artifact is superimposed on the original electrode potential Omit the measurement result if the displayed EEG waveform is incorrect vi Operator s Manual JE 921A AG Section 1 General adria Uer 1 1 Features 1 1 General Safety information samicou eel iia 1 2 Panel Descriptions 1 9 JE 921A AG Electrode Junction BOX 1 9 JE 922A AG Mini Junction Bos 1 12 Operator s Manual JE 921A AG 1C 1 This page is intentionally left blank 10 2 Operator s Manual JE 921A AG 1 GENERAL Introduction The JE 921 A AG Electrode Junction Box is used for the EEG 9100 Series and EEG 9200 Series electroencephalograph This electrode junction box has 25 electrode jacks for EEG waveform measurement in the electrode position layout 14 bipolar jacks 7 pairs for extra signal measurement and respiration signal measurement SpO connector CO connector and 4 DC input connectors with a remote mark connector Features JE 922A AG Mini Junction Box option This small and lightweight mini junction box can be placed near the patient This mini junction box has 25 electrode jacks for EEG waveform measurement in the electrode position layout 14 bipolar jacks 7 pairs for extra signal measurement and respiration signal measurement SpO measurement SpO measurement is possible with the optional JL 951T3 SpO Adapter and SpO probe
11. Failure CO2 sensor kit is faulty Replace the CO2 sensor kit Operator s Manual JE 921A AG 3 3 3 TROUBLESHOOTING MAINTENANCE Maintenance Check Items After Use Check the following for the next use e Power of all external instruments is turned off e Electrode junction box is not dirty damaged or in contact with liquid e Mini junction box is not dirty damaged or in contact with liquid e No peeling or tear on the electrode junction box e No peeling or tear on the mini junction box e No electrode lead or sensor is frayed or damaged e Sensors are disinfected or sterilized and completely dry e Enough electrodes e Enough EEG paste 3 4 Operator s Manual JE 921A AG Cleaning Disinfecting and Sterilizing Operator s Manual JE 921A AG 3 TROUBLESHOOTING MAINTENANCE For SpO adapter SpO probe CO sensor cable CO sensor and respiration pick up refer to each operator s manual Cleaning CAUTION Turn off the power of the electroencephalograph before doing maintenance Otherwise you may receive an electrical shock or the electrode junction box may function improperly Do not use volatile liquids such as thinner or benzine because these will cause the materials to melt or crack The electrode junction box not waterproof Do not let any water get inside it After cleaning make sure that the electrode junction box is completely dried To prevent water from entering the electrode
12. Fpi ACC AC ACC mi Fpl ACC AC ACC Fp1 Fpl ACC AC ACC Sllsleklkkekklekeelelelekekk Klek else fs fs ft eS i es i es J TS fo ens fn lolle IV Set Gl and G2 alternately TC s dialog box Attaching the Probe to the For proper SpO probe attachment and use refer to the operator s manual of the Patient SpO probe Operator s Manual JE 921A AG 2 17 2 INSTALLATION PREPARATION Preparing for CO Measurement 2 18 WARNING Do not use the YG 120T 121T Nasal Adapter on neonates because the dead space volume is 1 2 mL cc When using the nasal adapter on a patient whose ventilation volume is small check the ventilation taking into consideration the 1 2 mL dead space volume In some cases the CO mixes in the inspiration due to the nasal adapter s dead space volume resulting in inaccurate measured value or difficulty in detecting apnea CAUTION e Only use the specified CO sensor kit Otherwise CO cannot be monitored properly The transparent film of the nasal adapter is coated with an anti fogging material to prevent the moisture of the expiration and inspiration from fogging the inside of the airway adapter and nasal adapter Under the operating environment specified in the specifications the anti fogging material works for about 24 hours For optimum performance of the anti fogging material and correct measurement follow the instructions below Replace the nasal adapter with a new one ever
13. cable connector is aligned with the W mark on the SpO CO connector One SpO adapter and one CO sensor kit can be connected to either connector at the same time NOTE e When connecting or removing the SpO adapter cable to from the electrode junction box hold the adapter cable connector If the adapter cable is pulled this may damage the adapter cable e Before connecting the SpO adapter to the electrode junction box make sure there is no damaged pin on the adapter cable connector e If two SpO adapters kits are connected only the measurement with the earlier connected connector is available If the power is turned on with two SpO adapters connected only the measurement with the right connector is available Settings for the 500 The SpO data and pulse waveform can be displayed on the screen Measurement 1 Inthe System Program window click the Pattern icon The Pattern table opens File Gl 501 2 Click the TC column The TC s dialog box opens F3 F4 A2 c3 Al C4 A2 P3 Al P4 A3 OI Al 02 A3 F7 81 F8 A2 T3 Al T4 A2 TS Al T6 42 DN 75 X1 X2 3 Select the DC input channel SpO data SpO Pulse wave Pulse 2 4 Click the OK button a 3 SC Ier Rt Av AY I ar as 87 57 87 Jar Ka RP RR ERP RRR Fp1 Fpl ACC ACC ACC Fpl Fpl Acc ACC ACC Fpi Fpl ACC ACC ACC Fp1 Fpl Acc ACC ACC mi
14. children Finger JL 951T3 Weight more than 20 kg Adults children infants Finger or toe neonates Weight more than 3 kg Neonates Instep Weight less than 3 kg Operator s Manual JE 921A AG 2 15 2 INSTALLATION PREPARATION Disposable Probes Model Subject Weight Attachment Site SpO2 adapter TL 251T Adults Finger or toe JL 951T3 Weight more than 30 kg Children Finger or toe Weight from 3 to 40 kg Neonates Weight less than 3 kg Instep and sole Cable length TL 051S 80 cm TL 0528 160 cm Adults Finger Weight more than 50 kg Neonates Instep and sole Weight less than 3 kg TL 0618 0628 Cable length TL 061S 80 cm TL 0628 160 cm Adults children Finger Weight from 15 to 50 kg Children infants Toe Weight from 3 to 15 kg TL 260T Adults children Weight more than 3 kg Finger or toe Neonates Weight less than 3 kg Instep or sole Low birth weight infants Weight less than 1 kg Instep or sole 2 16 Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Connecting the Probe to 1 Connect the probe to the sensor connector on the JL 951T3 SpO adapter the Electrode Junction Box JL 951T3 SpO adapter Probe SS 2 Connect the JL 951T3 SpO adapter cable to the SpO CO connector on the electrode junction box Make sure that the 4 arrow mark on the adapter
15. electrode signals in order to minimize the ECG You can use any three input jacks Right sternoclavicular joint electrode Vertebra pominens spine electrode G2 Inside the EEG instrumen Variable resistor Non cephalic reference electrode inside the EEG instrument inside the EEG instrument Be buffer amplifier BN derivation This derivation is not available for this instrument when acquiring the EEG waveforms and reviewing the EEG data file which were acquired and saved in this instrument Bipolar Derivation Electrode pairs are connected to the G1 and G2 inputs of channels The potential difference between two electrodes is recorded on each channel T1 and T2 Electrodes The T1 and 12 electrodes are placed on a line 1 3 of the distance from the external acoustic pore to the lateral orbital margin PG1 and PG2 Electrodes PG1 and PG2 are the pharyngeal electrodes A silver ball electrode on the tip of a thick copper stick is inserted from the nasal foramen and the silver ball electrode is attached at the rhinopharynx posterior The EEG of the brainstem internal temporal lobe and posterial frontal lobe can be recorded Montage Pattern Montage is the combination of derivations for all channels The instrument contains 36 patterns per set file and you can program a different montage and other settings for each pattern Operator s Manual JE 921A AG Attaching the Electrodes to the Patient
16. equipment and or system may affect the other equipment Before use check that the equipment and or system operates normally with the other equipment 7 Use of unspecified accessory transducer and or cable When an unspecified accessory transducer and or cable is connected to this equipment and or system it may cause increased electromagnetic emission or decreased electromagnetic immunity The specified configuration of this equipment and or system complies with the electromagnetic requirements with the specified configuration Only use this equipment and or system with the specified configuration Operator s Manual JE 921A AG iii Caution continued 8 Use of unspecified configuration When the equipment and or system is used with the unspecified system configuration different than the configuration of EMC testing it may cause increased electromagnetic emission or decreased electromagnetic immunity Only use this equipment and or system with the specified configuration 9 Measurement with excessive sensitivity The equipment and or system is designed to measure bioelectrical signals with a specified sensitivity If the equipment and or system is used with excessive sensitivity artifact may appear by electromagnetic interference and this may cause misdiagnosis When unexpected artifact appears inspect the surrounding electromagnetic conditions and remove this artifact source If the above suggested remedial actions do not solve the problem c
17. for that bed e Save current system settings with EEG data when exporting selected wave Bed1 2 bed acquisition Acquisition System settings Acquisition Bed 1 System Setting Bed 1 Create a shortcut Create a shortcut m 8882 Acquisition System settings Acquisition Bed2 System Setting Bed 2 Create a shortcut Create a shortcut a Cancel Initialize Bed 1 For the electrode junction box ID number 1 Bed 2 For the electrode junction box ID number 2 Operator s Manual JE 921A AG 2 29 2 INSTALLATION PREPARATION 3 Enter a name in the text box 4 Click the Create a Shortcut button The shortcut icon is created 5 Click the OK button To cancel creating click the Cancel button To use the default settings click the Initialize button C Documents and Settings All Users Start Menu EEG 9000 BEE File Edit View Favorites Tools Help back gt 87 GQsearch Eyrolders history is GE X A Edy SAMY Acquisition Review Database File Utility System Created icons Manager Ki 25 Acquisition System Acquisition System Bed 1 Setting Bed 1 Bed 2 Setting Bed 2 9 object s DER KB a My Computer Us NOTE e Before changing the system settings with the original system program shortcut icon save the system settings for each system program shortcut icon System 1 icon and System 2 icon The changed settings in the
18. junction box use a slightly moist well wrung cloth with neutral detergent or tap water for cleaning the panel After use clean the surface of the electrode junction box with a soft cloth moistened with neutral detergent diluted with water and wipe with a dry cloth To remove any attached paste immediately wipe the paste off the component with a wet cloth before the paste dries Disinfecting CAUTION Do not sterilize the electrode junction box e Follow the instructions of the disinfectant s manual e Wipe the electrode junction box and completely dry it after disinfecting e Never use ultraviolet radiation sterilization because this may cause the materials to deform crack or discolor To disinfect the exterior surface of the electrode junction box wipe it with a non abrasive cloth moistened with any of the disinfectants listed below Use the recommended concentration Disinfectant Concentration Chlorohexidine gluconate solution 0 5 Benzethonium chloride solution 0 2 Glutaraldehyde solution 2 0 Benzalkonium chloride 0 2 Hydrochloric alkyl diaminoethylglycine 0 5 3 5 3 TROUBLESHOOTING MAINTENANCE Electrodes and Leads 3 6 Electrode Cleaning After using electrodes EEG paste or ECG paste adheres to them Clean the electrodes for their next use CAUTION Do not use steel wool or any other abrasive to wash the electrodes e Do not allow any electrode paste to remain on elec
19. junction box is used in a high frequency electric field the displayed waveform may be thicker Connecting the PC Unit and the Electrode Junction Box 1 Connect the USB cable of the electrode junction box cable to the lower USB connector on the rear of the PC unit 2 Connect the functional ground lead of the electrode junction box cable to the protective ground terminal on the rear of the PC unit CAUTION During measurement do not disconnect the USB cable from the PC unit Otherwise the measurement data may be lost Connecting the Photo Control Unit and the Electrode Junction Box CAUTION Before connecting or disconnecting the photo mark cord make sure that the power of the PC unit and the photo control unit is turned off Connect the photo mark cord of the electrode junction box to the PHOTO MARK connector on the rear of the photo control unit The electrode junction box and the photo control unit are connected via the photo mark connection cable 2 2 INSTALLATION PREPARATION Preparing the Electrodes Guidelines for Input Jack Use 2 592 Fz F4 2 4 o P3 Ol COOD 02 You must follow these guidelines to obtain correct EEG recordings Required Electrodes Do not perform EEG measurement without the Z C3 C4 Al and A2 electrodes Input Jack Z Connect the lead from the electrode Z electrode attached on the patient
20. one every 24 hours Using the nasal adapter for longer than 24 hours affects measurement accuracy Immediately replace the nasal adapter if blood sputum or mucus adhere to the transparent film of the airway adapter and nasal adapter Operator s Manual JE 921A AG Cleaning and Disinfecting Maintenance Operator s Manual JE 921A AG 1 GENERAL Caution continued Do not damage the transparent film and do not let dust or chemical solutions contact the transparent film If these occur replace the nasal adapter with a new one Do not touch the transparent film with your fingers do not wipe it and do not wash it with alcohol or other detergents e When applying the YG 121T Nasal Adapter to the patients with serious bleeding overall poor condition or malnutrition check the patient s condition periodically to avoid compression gangrene The measurement may be inaccurate when a patient with an extremely high respiration rate or patient with irregular respiration is monitored Read the measured values carefully When using an anesthetic instrument with volatile anesthetic agent the CO measurement will become inaccurate With this CO sensor measurements are based on the assumption of no CO gas in the inspiration The CO concentration in the respiration is calculated by taking the CO concentration in the inspiration as 0 mmHg Therefore if an oxygen mask is used on the patient the acquired data may be lower than the act
21. operator s manual The Windows opening screen appears and the EEG window opens on the desktop The operating system detects the electrode junction box as a USB device and the Found New Hardware Wizard opens Select the No not this time option and click the Next button In the next dialog box select the Install from a list of specific location Advanced option and click the Next button In the next dialog box 1 Select the Search for the best drive in the locations option 2 Check the Include this location in the search check box 3 Click the Browse button The Browse For Folder dialog box opens Operator s Manual JE 921A AG Browse For roder As Select the folder that contains drivers for your hardware E 0521 Dao35 080360 Database a E Dei EEGtoGo NkDsp zl To view any subfolders click a plus sign above Found New Hardware Wizard Please choose your search and installation options Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM JM Include this location in the search 1052 EegS0Usb Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not gua
22. original system program shortcut icon System icon apply to the system settings for all system program shortcut icons e Create two pairs of acquisition program shortcut icon and system program shortcut icon You can set different measurement settings for each pair of shortcut icons The changed settings with a system program setting shortcut icon that are created here do not apply to the system settings for other system program shortcut icons 2 30 Operator s Manual JE 921A AG Section 7 Troubleshooting Maintenance TOUDIOSMOOTUIAG EE 3 1 Electrode Junction BOX cria aia abia aba 3 1 SPO Eror Messages 3 2 CO 3 3 EI 3 4 Check tems After USe isos te 3 4 Cleaning Disinfecting and Sterilizing 3 5 CIS AIAG ace nes teeta ed ee 3 5 PIS MS CEG cta A 3 5 Electrodes and Lads 3 6 CA AA o noo aea aNG 3 6 Disinfection and Sterilizing narran 3 6 Electrode Lead Checkioioinninnaaia paia EENS 3 7 Regular Check caos tt 3 7 Repair Parts Availability Policy 3 7 Operator s Manual JE 921A AG 3C 1 This page is intentionally left blank 3C 2 Operator s Manual JE 921A AG Troubleshooting Electrode Junction Box 3 TROUBLESHOOTING MAINTENANCE When trouble occurs take quick action referring to the table below If there is any damage or the electrode junction box is suspected to be faulty turn the power
23. personnel Use only Nihon Kohden approved products with this device Use of non approved products or in a non approved manner may affect the performance specifications of the device This includes but is not limited to batteries recording paper pens extension cables electrode leads input boxes and AC power Please read these precautions thoroughly before attempting to operate the instrument 1 To safely and effectively use the instrument its operation must be fully understood 2 When installing or storing the instrument take the following precautions 1 Avoid moisture or contact with water dust extreme atmospheric pressure excessive humidity and temperatures poorly ventilated areas and saline or sulphuric air 2 Place the instrument on an even level floor Avoid vibration and mechanical shock even during transport 3 Avoid placing in an area where chemicals are stored or where there is danger of gas leakage 4 The power line source to be applied to the instrument must correspond in frequency and voltage to product specifications and have sufficient current capacity 5 Choose a room where a proper grounding facility is available 3 Before Operation 1 Check that the instrument is in perfect operating order 2 Check that the instrument is grounded properly 3 Check that all cords are connected properly 4 Pay extra attention when the instrument is used in combination with other instruments to avoid misdiagnosis o
24. regarded as electrically inactive reference electrode Each amplifier has two inputs G1 and G2 The reference electrode is connected to the G2 input of the amplifier and the active electrode is connected to the G1 input Monopolar Derivations Using Ear Reference Electrodes Normal Monopolar Derivation Left ear for left hemispheric derivation and the right ear for right hemispheric derivation Al A2 Shorting both ears in the electrode junction box Al gt A2 or Al lt A2 Only one ear Al lt A2 Left ear for right hemispheric and right ear for left hemispheric derivation Monopolar Derivations Using Other Site Reference Electrodes e Vx Vertex reference derivation Mid line central position Cz as the reference electrode e AV Average reference derivation All electrodes for the EEG waveform acquisition are connected by resistors to one averaged point which is the AV reference electrode If one or more of the electrodes in the AV electrode contain ECG artifact or two or more electrodes show simultaneous abnormal potentials you need to exclude any unstable electrodes 2 5 2 INSTALLATION PREPARATION 2 6 BN Balanced Noncephalic Reference Derivation An electrode on the vertebra prominens spine and an electrode near the right sternoclavicular joint are connected by a variable resistor to form a noncephalic reference electrode The variable resistor lets you balance the ratio of these two
25. s nasion to input jack Z on the electrode junction box This input jack is used to eliminate AC interference The input jack Z is also used for checking electrode impedance Input Jacks C3 and C4 The C3 and C4 electrodes are the system reference electrodes for EEG measurement Input jacks C3 and C4 must be used for EEG measurement even if C3 and C4 are not programmed in any montage Connect the leads from the electrodes on positions C3 and C4 to input jacks C3 and C4 respectively Input Jacks A1 and A2 or FP1 and FP2 The Al and A2 or FP1 and FP2 electrodes are the reference electrodes for skin electrode impedance check Input jacks Al and A2 or FP1 and FP2 in addition to Z C3 and C4 must be used for the electrode impedance check When checking electrode impedance connect the leads from the electrodes on positions Al and A2 to input jacks Al and A2 respectively Checking Original Electrode Potentials for All Active Electrodes Check the original electrode potential for all active electrodes by programming a montage with the system reference Use the pattern VA factory default setting or select the 0 V button for reference electrode on the Montage dialog box Refer to Programming Patterns in Section 4 of the electroencephalograph operator s manual The digital EEG displays the EEG waveform in each channel by subtracting two electrode potentials selected to a montage The subtracted result will be incorrect if
26. the PHOTO MARK connector on the rear of the photo control unit via the photo mark connection cable Use the cord hanger when attaching the EEG disk electrode to the patient Function 1 REMOTE MARK connector 2 DC input connector 1 10 Connects the marker cord standard accessory for recording the marks Inputs analog signals from an external instrument Operator s Manual JE 921A AG 1 GENERAL Bottom panel Name Function 1 Multiple connector Connects to the JE 922A AG Mini Junction Box BE 911A BE 912A EEG Disk Electrode shielded type To open the multiple connecter cover pry the cover off with a flat blade screwdriver WARNING When the JE 922A AG Mini Junction Box or BE 911A BE 912A EEG Disk Electrode is not used make sure that the multiple connector cover is firmly attached to the electrode junction box Failure to follow this warning may cause electrical shock to the patient and operator CAUTION e Only connect the JE 922A AG Mini Junction Box or BE 911A BE 912A EEG Disk Electrode When another type of mini junction box is connected the instrument may malfunction Do not touch the multiple connector on the electrode junction box while the power is turned on Before connecting the JE 922A AG Mini Junction Box or the BE 911A 912A EEG Disk Electrode to the electrode junction box discharge the electrostatic energy from yourself by touching a metal part which is
27. to input jacks X1 and X2 respectively Program the electrode combination for the 19th channel so that X2 is set to input G1 and X1 is set to input G2 Set the sensitivity to 200 Nimm and the time constant to 1 0 s on the display The bipolar jacks are pairs of an jacks The X1 to X4 bipolar jacks can be used as an extra jack To select bipolar jack or extra jack refer to the System program Operator s Manual JE 921A AG JE 921A AG Electrode Junction Box Connect respiration pickups 9999999929909 ni Ala ES NIHON KOHDEN Neurofax EE e 2009000900090 JE 922A AG Mini Junction Box 3 E P4 Ts P 16 O EN e 01 02 ES NIHON KOHDEN Neurofax A3 for JE 910A 911A 921A only Connect respiration pickups Operator s Manual JE 921A AG H 2 INSTALLATION PREPARATION Respiration Pickup Sensor WARNING Only connect a respiration pickup which is specified by Nihon Kohden to the RESP F C A jack If an unspecified respiration pickup sensor or equipment is connected electrical leakage current may harm the patient and operator NOTE When the respiration waveform is measured use any of the X5 X6 and X7 electrodes Save the respiration electrode Refer to Selecting the Electrodes to be Saved with EEG Waveforms in Section 4 You can use th
28. 7 4 REFERENCE 4 9 4 REFERENCE JE 922A AG Mini Junction Multiple output connector Box Pin No Signal Pin No Signal 1 FP1 26 T2 2 FP2 27 Not used m O PNR 3 F3 28 Not used 4 F4 29 X1 o m 5 C3 30 WO BO 6 CA 31 X2 7 P3 33 Jas SE 8 P4 33 X4 6 oleo olo ele a 9 0 34 X2 6 ol ola a 0 2 E 11 Al 36 X4 KONDEN sean hot 1 a2 3 x5 13 F7 38 X5 l 14 F8 39 X6 Multiple output connector 15 T3 40 X6 16 T4 41 X7 17 T5 42 X7 1 26 18 T6 43 Z 19 FZ 44 AG 20 PZ 45 AG 21 Not used 46 AG 22 PGI 47 Not used 23 PG2 48 Not used 25 50 24 CZ 49 Not used 25 Tl 50 Not used Unit side HDR ESOLFDT1 SLK Code No 521464 4 10 Operator s Manual JE 921A AG
29. C acc lara au lacc lacc AC 1414 a2 Acc Acc Acc Srs ai lacc acc melte a2 lacc lacc lacc la7jov e 10 20 30 exi o 200 10 60 39 20 Sa 100 DO roi mu acc ACC ACC Fpl mi ACC ACC ACC To convert the DC input signal to the numeric value refer to Programming Patterns Changing the Conversion Range of the DC Input Signals ES 23 Foi ACC ACC ACC 24 Fp1 Fpl ACC ACC ACC 25 26 Fpl Fpl acc acc ACC Fpl Fpl ACC ACC AC 27 Fp1 mu ACC ACC ACC aa ec e BST TC s dialog box Set G1 and G2 alternately 2 22 Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Check Items When Turning the Power On Off Before turning the power of the electroencephalograph on or off check the following items If there is any damage or the electrode junction box is suspected to be faulty as a result of checking attach an Unusable or Repair required label to the electrode junction box and contact your NK distributor or representative Check Items Before Turning Overview the Power On e Electrode junction box or mini junction box is not dirty damaged or in contact with liquid e No electrode or sensor is dirty or damaged e No electrode lead or sensor cable 15 frayed or damaged Connection and Setting e Electrode junction box is properly connected to the electroencephalograph e Mini junction box is properly connected to the electrode junction box e SpO adapter is properly connec
30. Correct Wrong Disk electrode Lead Paste Scalp Scalp Disk Electrode Placement b D o Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION EEG Scalp Disk Electrodes Clean the area where the electrodes are to be mounted with a gauze pad moistened in alcohol or a medical soap solution to remove oil from the skin Wipe the site with dry gauze Apply a small amount of EEG paste in a 1 cm diameter circle on the cleaned skin Avoid spreading the paste too thin or creating too large a space Apply a small amount of paste to the disk electrode Press the electrode down gently on the previously pasted skin spot Cover the electrode with a small gauze pad and press the pad around the electrode Attach the electrode with surgical tape Electrode Positions This procedure is for the Ten Twenty System 1 4 Divide the longitudinal line of the head into halves and attach an electrode at the Cz point Fig 1 Divide the distance between Cz and the nasion in proportions as shown in Fig 1 and attach an electrode at Fz and Pz Do not attach electrodes at Fpz and Oz Divide the transverse line of the head into proportions of 10 20 20 20 20 and 10 as shown in Fig 2 and attach electrodes at T3 T4 C3 and C4 Divide the peripheral line passing over Fpz T4 Oz and T3 into proportions as shown in Fig 3 and attach electrodes at Fp2 F8 16 02 Fp1 F7 15 and O1 2 7 2 INS
31. EEG 9100A EEG 9100G EEG 9100J EEG 9100K EEG 9200A EEG 9200G EEG 9200J EEG 9200K ELECTRODE JUNCTION BOX JE 921A AG If you have any comments or suggestions on this manual please contact us at www nihonkohden com 0614 009694A CONTENTS Contents GENERAL HANDLING PRECAUTIONS i WARRANTY POLI GEN ii Conventions Used in this Manual and Instrument iv Warnings Cautions and NOTES v Explanations of the Symbols in this Manual and Instrument v Precautions Tor Input Jack USE esscnncnisnn scnsdeenseusentogs vi 7742 Te E WE RE 1C 1 idee Die Le rra 1 1 Eege ege 1 1 Generall Safety information cios a 1 2 Panel Descriptions RRA 1 9 JE 921A AG Electrode Junction Box 1 9 JE 922A AG Mini Junction Bos 1 12 Section 2 Installation Preparati0D 2C 1 Instrument LOCATION E 2 1 Setting the Electrode Junction Box on the Cart 2 2 Cable Connection ccccccccccccessceceeeeeeenneeeeeeceeeeeeeeeeseceenaeeeeeeeceesaeeeeeseceenaeeeeesecesneeeseesensaaes 2 3 Connecting the Cables cian italia 2 3 Connecting the PC Unit and the Electrode Junction BOX 2 3 Connecting the Photo Control Unit and the Electrode Junction Box 2 3 Preparing the Electrodes cosirer 2 4 Guidelines for I
32. ET 2 10 Respiration PickUp SenNsor se edd usteet ioa SEENEN 2 11 Preparing for SPO Measurement aicciocnonsdcic iii saceacusiiasnssndenesansnesatiunestatsiedeonidces 2 13 SPO PRONG 2 15 Operator s Manual JE 921A AG 2C 1 20 2 Disposable Probes 2 16 Connecting the Probe to the Electrode Junction 80 2 17 Settings for Ihe SPO Measure MBE scr ea a 2 17 Attaching the Probe to the Patient 2 17 Preparing f r CO Meas r MeNt iseit eteen iae aisir Aaaa aa E EES 2 18 CO SENSO 2 20 Connecting Probe to the Electrode Junction Dos 2 21 Settings for the CO MeasurameE E 2 21 Attaching the CO Sensor Kit to the Patient ccicconioneonisioanarsicciasosradisenesasessicinizais 2 21 Connecting the DC Input Cable risinn is 2 22 Connecting the DC Input Cable isso cc iso 2 22 Settings for the DC Input Signal Measurement cnn nana nancnnnnos 2 22 Check Items When Turning the Power On Off 2 23 Check Items Before Turning the Power On 2 23 Check Items After Turning the Power On 2 23 Check Items After Turning the Power On 2 23 Installing the USB Driver 2 24 Installing the USB Driver ui oo dera 2 24 If the Installation Is Canceled
33. JE 921A AG 4 REFERENCE Electromagnetic Compatibility only for JE 921A AG Electrode Junction Box IEC 60601 1 2 Second edition 2001 09 IEC 60601 2 26 Second edition 2002 11 e Guidance and manufacturer s declaration electromagnetic emissions This Model JE 921 A AG is intended for use in the electromagnetic environment specified below The customer or the user of the JE 921A AG should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance e The JE 921A AG uses RF energy only for its internal function RF emissions A CISPR 11 Group 1 Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions Class B The JE 921A AG is suitable for use in all establishments including CISPR 11 domestic establishments and those directly connected to the public Harmonic emissions low voltage power supply network that supplies buildings used for IEC 61000 3 2 Notapplicable domestic purposes Voltage fluctuations flicker emissions Not applicable IEC 61000 3 3 e Guidance and manufacturer s declaration electromagnetic immunity This Model JE 921A AG is intended for use in the electromagnetic environment specified below The customer or the user of the JE 921A AG should assure that it is used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic
34. LATION PREPARATION WARNING e Do not connect the Z electrode lead plug to a ground or equipotential ground Otherwise leakage current from another instrument may harm the patient When the mini junction box is not used make sure that the multiple connector cover is firmly attached to the electrode junction box Failure to follow this warning may cause electrical shock to the patient and operator CAUTION Only connect the JE 922A AG Mini junction box or BE 911A BE 912A EEG disk electrode When another type of mini junction box is connected the measurement result is not correct and the instrument may malfunction Do not touch the multiple connector on the electrode junction box while the power is turned on Before connecting the JE 922A AG Mini Junction Box or the BE 911A 912A EEG Disk Electrode to the electrode junction box discharge the electrostatic energy from yourself by touching a metal part which is connected to ground Otherwise the electrode junction box may malfunction Connecting the JE 922A AG Mini Junction Box 1 Open the multiple connector cover on the bottom of the electrode junction box by prying the cover off with a flat blade screwdriver 2 Connect the mini junction box cable to the multiple connector of the electrode junction box and secure it with the two jackscrews Mini junction box Multiple junction box cable 3 Connect the mini junction box cable to the multiple output conne
35. O2 adapter to the electrode junction box electrode junction box Faulty SpO2 adapter Replace the SpO2 adapter SpO2 CHECK PROBE Probe is detached from the patient Check the probe attachment condition Probe is disconnected from the SpO2 Firmly connect the probe to the SpO2 adapter SpO2 WEAK PULSE Poor peripheral circulation Check the patient condition Remove the cause by changing the attachment site etc Probe is attached too tight and prevents circulation Reattach the probe SpO2 PULSE SEARCH Searching for correct pulse waveform Wait until the pulse waveform is detected Pulse waveform is rough and SpO2 cannot be measured Check the probe attachment condition Probe is detached from the patient Reattach the probe SpO2 NO PULSE Poor peripheral circulation Check the patient condition Remove the cause by changing the attachment site etc Probe is attached too tight and prevents Check the probe attachment condition circulation Probe is detached from the patient Reattach the probe SpO2 CHECK PROBE Probe attachment site is inappropriate Refer to the probe operator s manual SITE and attach the probe on the appropriate site Probe is past the expiration date Replace the probe with a new one SpO2 LIGHT The measurement site is under surgical Cover the probe with a blanket or cloth INTERFERE light bilirubin light sunlight etc The AC filte
36. TALLATION PREPARATION Fig 4 A Q 2 8 5 On the line passing over F7 Fz and F8 attach an electrode at the mid point F3 between F7 and Fz as shown in Fig 4 Attach another electrode at the mid point F4 between F8 and Fz 6 On the line passing over T5 Pz and T6 attach an electrode at the mid point P3 between 15 and PZ Attach another electrode at the mid point P4 between T6 and PZ Earlobe Electrodes 1 Apply a small amount of EEG paste to both earlobes Gently clip on the earlobe electrodes 2 Secure the electrode lead to the neck with surgical tape to prevent electrode lead movement CAUTION Do not apply excessive pressure to the electrode because this may cause direct electrode to skin contact not through the paste and generate unnecessary polarization voltage ECG Electrodes 1 Clean the patient s skin with alcohol and apply CardioCream ECG paste to the electrode site 2 Apply CardioCream to the electrode surface of the ECG clip on limb electrode and clip the limb electrode on the patient s arm or leg as required Operator s Manual JE 921A AG Connecting Electrode Leads to the Electrode Junction Box fs ary CH Multiple connector cover Electrode junction box NOTE The Y mark on the mini junction box must align with the A mark on the mini junction box cable connector Operator s Manual JE 921A AG 2 INSTAL
37. The TG 921T3 CO sensor kit is not to be used with patients younger than 3 years old or weighing less than 10 kg 22 Ibs When the CO sensor not working or CO adapter abnormality message is displayed check the CO sensor kit and replace it if necessary CO cannot be monitored while the message is displayed NOTE e The measurement may be inaccurate when the instrument is used in the following conditions Read the measured values carefully When there is high concentration nitrous oxide gas in the airway adapter When used in places with low atmospheric pressure such as at high altitude When used in environments with sudden temperature changes When used in environments with severe humidity When used for patients with irregular spontaneous respiration When using the TG 921T3 CO sensor kit it performs calibration automatically every minute and when any of the following occurs Instrument power on Patient s first respiration Airway adapter is removed from the CO sensor and connected again Respiration stops for 20 seconds Signal changes rapidly due to temperature change During calibration the CO waveform becomes flat 0 mmHg but the respiration rate and measured value are not affected Operator s Manual JE 921A AG 2 19 2 INSTALLATION PREPARATION CO Sensor Kit 2 20 CAUTION Only use the specified CO sensor kit and nasal adapters Otherwise CO cannot be moni
38. acks C3 and C4 respectively NOTE e The C3 and C4 electrodes are the system reference electrodes for EEG measurement e The input jacks C3 and C4 must be attached for EEG measurement even when the C3 and C4 are not programmed in any montage Use of input jacks A1 and A2 or FP1 and FP2 C3 and C4 during skin electrode impedance check When checking each electrode impedance connect the leads from the electrode attached on the positions Al A2 C3 and C4 to the input jacks Al A2 C3 and C4 respectively NOTE e The A1 and A2 or FP1 and FP2 electrodes are the reference electrodes for skin electrode impedance check e The input jacks A1 and A2 or FP1 and FP2 in addition to the Z C3 and C4 must be attached for the electrode impedance check Checking original electrode potentials for all active electrodes Check the original electrode potential for all active electrodes by programming a montage with the system reference electrode Use the pattern VA factory default setting or select the 0 V button for reference electrode on the Montage dialog box Refer to Programming Patterns in Section 4 Refer to Programming Patterns in Section 4 of the electroencephalograph operator s manual The digital EEG displays the EEG waveform in each channel by subtracting two electrode potentials selected to a montage The subtracted result will be incorrect if the electrode attachment is incorrect the original electrode potential is flat or unstable
39. age prior to application of the test level Operator s Manual JE 921A AG 4 3 4 REFERENCE e Guidance and manufacturer s declaration electromagnetic immunity This Model JE 921A AG is sutable for use in the electromagnetic environment specified below The customer or the user of the JE 921A AG should assure that it is used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Conducted RF 3 Vrms 0 3 Vrms The JE 921A AG must be used only in a shielded location IEC 61000 4 6 150 kHz to 80 MHz with a minimum RF shielding effectiveness and for each cable that enters the shielded location a minimum RF filter attenuation of 20 dB over the frequency range 150 kHz to 2 5 GHz Field strengths outside the shielded location from fixed RF transmitters as determined by an electromagnetic site survey should be less than 3 V m Radiated RF 3 V m 0 3 V m Interference may occur in the vicinity of equipment IEC 61000 4 3 80 MHz to 2 5 GHz marked with the following symbol Vull NOTE 1 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people NOTE 2 It is essential that the actual shielding effectiveness and filter attenuation of the shielded location be verified to assure that they meet the minimum specification Field strengths from fixed transmitters such as ba
40. cable with the cable tie or cable clamp so that the cable is not accidentally pulled or caught Otherwise the connector may be damaged or the components connected on the cart may fall off and cause injury Do not install the electrode junction box where it will be exposed to water or chemical solutions Avoid direct sprinkling spray or moist air from the nebulizer or humidifier These cause malfunction and shorten the life of the electrode junction box Electrode junction box 1 Insert the electrode junction box pole into the hole on the cart Knob bolt 2 Position the electrode junction box and secure it with the knob bolt The electrode junction box can be removed from the electrode junction box holder so you can place the electrode junction box near the patient To remove the electrode junction box press the lock release lever and slide the electrode junction box up 2 2 Operator s Manual JE 921A AG Cable Connection Connecting the Cables BE Example EEG 9100 Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION WARNING Connect only the specified instruments to the connectors or socket by following the specified procedure Otherwise electrical leakage current may harm the patient and operator CAUTION When connecting the cables make sure that each instrument is turned off NOTE When the electrode
41. connected to ground Otherwise the electrode junction box may malfunction Operator s Manual JE 921A AG 1 11 1 GENERAL JE 922A AG Mini Junction Box WARNING Connect only the specified instruments to the connectors or socket marked with A by following the specified procedure Otherwise electrical leakage current may harm the patient and operator Name 1 Electrode jack 2 Z jack 3 Bipolar jack 4 Multiple output connector 6 el o 9 75 6 alo dle XY Ba NIHON KOHDEN Neurofax A 4 for JE 910A 911A 921A only Function Connects the EEG disk electrode Reduces the artifact when the electrode for Z on the patient is connected to the Z jack Be sure to attach the Z electrode to the patient during measurement Inputs biological signals other than EEG The X1 to X4 bipolar jacks can be used as an extra jack To select bipolar jack or extra jack refer to the System program NOTE The X5 to X7 bipolar jacks and the RESP jacks on the electrode junction box cannot be used simultaneously Connects to the JE 921A AG Electrode Junction Box NOTE The Y mark on the mini junction box must align with the A mark on the mini junction box cable connector Operator s Manual JE 921A AG Section Z Installation Preparation Instrument LOCATION ME 2 1 Setting the Electrode Junction Box on the Cart 2 2 Cable CONNECHON EE 2 3 Connecting t
42. cor ia cada 2 10 Respiration Pickup Sensor sissisodan bala ese 2 11 Preparing for SpO Measurement lt cis lt s lt sacstneassecetarcastenaanaceisseanasdadsuedensssntarescnadassitensns 2 13 20 0 2 15 Meier 2 16 Connecting the Probe to the Electrode Junction Bos 2 17 Settings for the SHO Measurement ccoo an aE 2 17 Attaching the Probe to the Patient 2 17 Preparing E 2 18 CO Sensor 2 20 Connecting Probe to the Electrode Junction Bon 2 21 Settings forthe CO gt 2 2 Attaching the CO Sensor Kit fer Me PASM ai 2 21 Connecting the DC Input Cable 2 22 Connecting the DC Input Cable ccoo cs 2 22 Settings for the DC Input Signal Measurement 2 22 Check Items When Turning the Power On Off 2 23 Check Items Before Turning the Power On 2 23 Check Items After Turning the Power On 2 23 Check Items After Turning the Power On 2 23 Installing the USB RI 2 24 Installing the USB Driver 2 24 If the Installation Is Canceled 2 26 Ghanging the Systemi ne EE 2 27 General EE 2 27 Selecting the Electrode Junction BOX
43. ctor of the mini junction box To remove the cable from the mini junction box press and hold the lock release plates then remove the cable 2 9 2 INSTALLATION PREPARATION JE 921A AG Electrode Junction Box Connect ECG electrode leads A2 O 03 Cz C4 66 6 Gi ole elo o o gt ele ele e ES NIHON KOHDEN Neurofax AIS for JE S10A 3114 9214 only Connect ECG electrode leads 2 10 EEG Electrodes After placing the electrodes on the patient s scalp connect the electrode lead plugs to the corresponding jacks on the electrode junction box Make sure that each electrode position corresponds to the correct jack EEG electrode lead plug EEG electrode lead plug 0 0 Lo 0 See 0 Das 3 ery 0 Respiration pickup plug Nes S KE eg WE y 0 0 ECG Electrodes Procedure Connect one end of each ECG electrode lead to the ECG clip on the limb Connect the other ends of the electrode leads to any two jacks X1 to X4 on the electrode junction box Refer to the following chart when selecting the ECG lead Lead I Lead II or Lead III G1 G2 Lead I Right arm Left arm Lead II Right arm Left leg Lead III Left arm Left leg Typical ECG settings These settings let you record Lead I on the 19th channel Connect the left and right arms
44. e return plate is not attached correctly it may burn the patient s skin where the electrodes are attached Before using the ESU remove all needle electrodes and silver ball electrodes from the patient Failure to follow this warning may cause burn on the patient MRI examination e The electrode junction box is not intended to be used during MRI e When performing MRI tests remove all electrodes and transducers from the patient which are connected to this electrode junction box Failure to follow this warning may cause serious electrical burn on the patient due to local heating caused by dielectric electromotive force For details refer to the instruction manual for the MRI When performing defibrillation Before defibrillation remove from the patient all electrodes and transducers which are connected to connectors that do not have a iol or Jak mark Otherwise the discharged energy may cause serious electrical burn or shock to the operator Before defibrillation remove all electrodes and transducers from the patient which are connected from this electrode junction box If the defibrillator paddle directly contacts these materials the discharged energy may cause serious electrical burn to the patient Before defibrillation all persons must keep clear of the bed and must not touch the patient or any equipment connected to the patient Failure to follow this warning may cause serious electrical burn shock or other injury
45. e failure Shipping costs must be pre paid This warranty does not apply to products that have been modified disassembled reinstalled or repaired without Nihon Kohden approval or which have been subjected to neglect or accident damage due to accident fire lightning vandalism water or other casualty improper installation or application or on which the original identification marks have been removed In the USA and Canada other warranty policies may apply CAUTION United States law restricts this device to sale by or on the order of a physician ii Operator s Manual JE 921A AG EMC RELATED CAUTION This equipment and or system complies with IEC 60601 2 International Standard for electromagnetic compatibility for medical electrical equipment and or system However an electromagnetic environment that exceeds the limits or levels stipulated in IEC 60601 1 2 can cause harmful interference to the equipment and or system or cause the equipment and or system to fail to perform its intended function or degrade its intended performance Therefore during the operation of the equipment and or system if there is any undesired deviation from its intended operational performance you must avoid identify and resolve the adverse electromagnetic effect before continuing to use the equipment and or system The following describes some common interference sources and remedial actions 1 Strong electromagnetic interference from a n
46. e following respiration pickups and sensors to measure the respiration waveform e TR 0001 TR 0002 3 port respiration pickup e TR 751T TR 752T respiration pickup for chest e TR 761T TR 762T respiration pickup for nostril e Pro Tech Airfrow Sensor e Pro Tech Effort Sensor Program the montage for respiration measurement The E electrode can be used instead of OV When using the E electrode save the E electrode with the respiration electrode If the respiration waveform is unstable use OV for G1 electrode For sleep analysis select G1 to 0 V In the default setting channels 17 of the pattern IA to IVA and channels 13 and 14 of the pattern IB to IIB are programmed for respiration measurement Respiration Pickup Model Terminal TR 0001 TR 0002 TR 761T TR 762T RESP F X5 TR 751T TR 752T RESP C X6 or RESP A X7 Connection of the lead tips of the respiration pickup Jacks Montage G1 G2 RESP F X5 ov X5 F Flow RESP C X6 ov X6 C Chest RESP A X7 oV X7 Ar Abdomen 2 INSTALLATION PREPARATION 2 12 Respiration Sensor for Sleep Analysis Model Terminal Pro Tech Airflow Sensor X5 Pro Tech Effort Sensor X6 or X7 Connection of the lead tips of the respiration sensor Jacks Montage G1 G2 X1 to X7 UN X1 to X7 The bipolar jacks are pairs of an jacks The X1
47. earby emitter source such as an authorized radio station or cellular phone Install the equipment and or system at another location Keep the emitter source such as cellular phone away from the equipment and or system or turn off the cellular phone 2 Radio frequency interference from other equipment through the AC power supply of the equipment and or system Identify the cause of this interference and if possible remove this interference source If this is not possible use a different power supply 3 Effect of direct or indirect electrostatic discharge Make sure all users and patients in contact with the equipment and or system are free from direct or indirect electrostatic energy before using it A humid room can help lessen this problem 4 Electromagnetic interference with any radio wave receiver such as radio or television If the equipment and or system interferes with any radio wave receiver locate the equipment and or system as far as possible from the radio wave receiver 5 Interference of lightning When lightning occurs near the location where the equipment and or system is installed it may induce an excessive voltage in the equipment and or system In such a case disconnect the AC power cord from the equipment and or system and operate the equipment and or system by battery power or use an uninterruptable power supply 6 Use with other equipment When the equipment and or system is adjacent to or stacked with other equipment the
48. eck SpO unit Check SpO probe site SpO probe not working SpO module not working or SpO measurement unstable message appears frequently even when the probe is attached on a site with appropriate thickness the probe is deteriorated Replace the probe with a new one When error messages which indicate faulty probe or 500 adapter appear stop monitoring and replace the probe or SpO adapter with a new one WARNING Do not use the YG 120T 121T Nasal Adapter on neonates because the dead space volume is 1 2 mL cc When using the nasal adapter on a patient whose ventilation volume is small check the ventilation taking into consideration the 1 2 mL dead space volume In some cases the CO mixes in the inspiration due to the nasal adapter s dead space volume resulting in inaccurate measured value or difficulty in detecting apnea CAUTION e Only use the specified CO sensor kit Otherwise CO cannot be monitored properly The transparent film of the nasal adapter is coated with an anti fogging material to prevent the moisture of the expiration and inspiration from fogging the inside of the airway adapter and nasal adapter Under the operating environment specified in the specifications the anti fogging material works for about 24 hours For optimum performance of the anti fogging material and correct measurement follow the instructions below Replace the nasal adapter with a new
49. environment guidance Electrostatic discharge ESD IEC 61000 4 2 6 kV contact 8 kV air 6 kV contact 8 kV air Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Electrical fast transient 1 kV for input output 1kV for input output Mains power quality should be that of a burst lines lines typical commercial or hospital IEC 61000 4 4 environment Surge 1 kV differential mode Not applicable Mains power quality should be that of a TEC 61000 4 5 2 kV common mode typical commercial or hospital environment Voltage dips short lt 5 UT Not applicable Mains power quality should be that of a interruptions and voltage gt 95 dip in UT typical commercial or hospital variations on power for 0 5 cycles environment If the user of the JE supply input lines 921A AG requires continued operation IEC 61000 4 11 40 01 during power mains interruptions it is 50 dip in Ur recommended that the JE 921 A AG be for 5 cycles powered from an uninterruptible power supply or a battery 70 UT 30 dip in Ur for 25 cycles lt 5 UT gt 95 dip in UT for 5 sec Power frequency 3 A m 3 A m Power frequency magnetic fields should 50 60 Hz magnetic field TEC 61000 4 8 be at levels characteristic of a typical location in a typical commercial or hospital environment NOTE UT is the AC mains volt
50. g to the EEG 9100 EEG 9200 electroencephalograph Safety standard Type of protection against electric shock IEC 60601 1 1988 12 IEC 60601 1 Amendment 1 1991 11 IEC 60601 1 Amendment 2 1995 03 IEC 60601 2 26 1994 IEC 60601 1 1 Second edition 2000 12 electroencephalograph Degree of protection against electric shock Type BF applied part 4 REFERENCE Class I when connecting to the EEG 9100 EEG 9200 Electrode jacks respiration jacks bipolar jacks SpO CO connectors Degree of protection against harmful ingress of water Not protected IPX0 Degree of safety of application in the presence of a flammable anaesthetic mixture with air or oxygen or nitrous oxide Not suitable for use in the presence of a flammable anaesthetic mixture with air or oxygen or nitrous oxide Mode of operation Dimensions and Weight JE 921A AG Electrode junction box JE 922A AG Mini junction box Operator s Manual JE 921A AG Continuous 83 W x 24 D x 128 H mm 0 3 kg not including cable cable length 5 0 m 185 W x 72 D x167 H mm 1 0 kg not including cables 4 1 4 REFERENCE Operation conditions Temperature Humidity Atmospheric pressure Transport and Storage Conditions Temperature Humidity Atmospheric pressure 4 2 10 to 35 C 50 to 95 E 30 to 80 non condensing 70 kPa to 106 kPa 20 to 65 C 4 to 149 F 10 to 95 non condensing 70 kPa to 106 kPa Operator s Manual
51. he ele EE 2 3 Connecting the PC Unit and the Electrode Junction Box 2 3 Connecting the Photo Control Unit and the Electrode Junction Box 2 3 Preparing Electrodos usina dina a ii 2 4 Guidelines for Input Jack USC ccoo tii 2 4 Required Electrodes 2 4 Input Jack Louie 2 4 InputJacks CS e EE 2 4 Input Jacks A1 and A2 or FP1 and FP 2 2 4 Checking Original Electrode Potentials for All Active Electrodes 00 2 4 Introduction to Electrode Position Derivation and Montage 2 5 Electrode POSITION avatar a 25 IR te tl disen 25 Monopolar Derivations Referential Derivation 2 5 BN Balanced Noncephalic Reference Derivation 2 6 Bipolar Derivation see etesdegeg a 2 6 Ti and T2 Ele te TT 2 6 PGi and PG2 El6ctrodes irc 2 6 Montage Patten 2 6 Attaching the Electrodes to the Patient 2 7 EEG Scalp Disk Electrodes uscar ctra 2 7 Electrode POSItions 2 7 Earlobe Electrode mails 2 8 ECG E tee EE 2 8 Connecting Electrode Leads to the Electrode Junction BOX 2 9 Connecting the JE 922A AG Mini Junction Box 2 9 EEG Electrodes E 2 10 EGG E ee
52. ion Contents of the Annotation dialog box when annotating waveforms or adding annotations in Editing the Waveform Annotations and Patient Information Items section The electrodes that are used for waveform acquisition and saved in a file with the EEG waveforms in Selecting and Saving the Electrodes for Waveform Acquisition section Sampling frequency in Selecting and Saving the Electrodes for Waveform Acquisition section You can save the changed system settings in a file Each electrode junction box has its own system settings for the above settings other than the AC line frequency When the system settings which use the electrode junction box are saved in a file next time you can select the electrode junction box by calling up a system settings file which uses the electrode junction box For detailed information about the system settings refer to Section 4 System Program in the EEG 9100 9200 electroencephalograph operator s manual NOTE e It is not possible to change System Program settings while the Acquisition Review or any other EEG application program is open e Before selecting the electrode junction box in the Electrode Junction Box menu save the current system settings in a file Otherwise the current system settings listed above are lost 2 27 2 INSTALLATION PREPARATION Selecting the Electrode Junction Box System Program File Junction Box Help Zen y System Pr
53. l upon request from your Nihon Kohden distributor 9 When the instrument is used with an electrosurgical instrument pay careful attention to the application and or location of electrodes and or transducers to avoid possible burn to the patient 10 When the instrument is used with a defibrillator make sure that the instrument is protected against defibrillator discharge If not remove patient cables and or transducers from the instrument to avoid possible damage WARRANTY POLICY Nihon Kohden Corporation NKC shall warrant its products against all defects in materials and workmanship for one year from the date of delivery However consumable materials such as recording paper ink stylus and battery are excluded from the warranty NKC or its authorized agents will repair or replace any products which prove to be defective during the warranty period provided these products are used as prescribed by the operating instructions given in the operator s and service manuals No other party is authorized to make any warranty or assume liability for NKC s products NKC will not recognize any other warranty either implied or in writing In addition service technical modification or any other product change performed by someone other than NKC or its authorized agents without prior consent of NKC may be cause for voiding this warranty Defective products or parts must be returned to NKC or its authorized agents along with an explanation of th
54. llation you Canceled can start the installation again from step 2 in Installing the USB Driver by doing the following procedure 1 Right click the My Computer icon on the desktop The pop up menu opens 2 Select Properties The System Properties dialog box opens System ro E 3 In the Hardware page click the Device Manager button The Device Manager window opens 4 Double click the EEG 9000 device with the or mark in the Universal Serial Bus controller or Other devices The EEG 9000 Properties dialog box opens Intel R 8280168 USB Universal Host Controller 2404 Intel R 82801EB USB Universal Host Controller 2407 Network adapters g Processors d SCSI and RAID controllers 5 In the General page click the Reinstall Driver button O ee 2 26 Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Changing the System Settings General Operator s Manual JE 921A AG Before measurement check and change the following system settings in the System Program The changed settings are saved in memory The Acquisition program and the Review program use following settings Electrode junction box setting Select the JE 921A AG electrode junction box Pattern settings AC line frequency setting for correct SpO measurement Contents of the table list of the Patient Information in Editing the Waveform Annotations and Patient Information Items sect
55. mediately Collodion is a volatile solvent Both patients and medical staff must take extreme care not to inhale collodion When using collodion make sure there is adequate ventilation If too much collodion is inhaled have the person lie quietly and keep warm in fresh air Perform medical treatment immediately Keep collodion celloidin and acetone away from fire because they are flammable WARNING e All activation testing must be applied under the supervision of the physician in charge Mouth gags tongue depressors and gauze sponges must always be prepared for use to prevent the patient from biting his tongue or injuring himself during testing because any pattern of flash stimuli may induce seizure activity When using the NE 224S Sub dermal Straight Needle Electrode or Intracranial Electrode Do not use the NE 224S sub dermal straight needle electrode as a measurement electrode for the EEG or evoked potential measurement for any longer than one hour When measuring the EEG or evoked potential for over one hour use the EEG disk electrode Do not check the skin electrode impedance when using a needle electrode or intracranial electrode Failure to follow this warning injures the patient because these electrodes will be damaged by electrolyzation inside the body e Always dry the connectors and do not let them contact liquid Otherwise measurement result may be incorrect Operator s Manual JE 921A AG 1 GENERAL
56. n the screen 1 Inthe System Program window click the Pattern icon The Pattern table opens Sens 2 Click the TC column The TC s dialog box opens ilp 11 AC L iboz A3 ACC au acc 4 F4 A2 ACC 3 11 ACC lca a2 A1 ACC C lou a2 acc Egoi ai acc 1002 A2 ACC 17 Al Acc O les a2 acc 1 13 A1 ACC OTA A2 ACC Ests ai acc 1 16 A2 ACC Olm xs 10 8x1 vo 200 19 20 100 Fpi ACC 22 Acc 23 Fpl Acc 24 ACC 25 Fp1 mi acc 26 Fp1 mi ACC 27 Fp1 Fpl ACC ACC ACC Set G1 and G2 alternately Attaching the CO Sensor Kit to the Patient Operator s Manual JE 921A AG 3 Select the DC input channel etCO data EtC02 CO waveform CO2Wave 4 Click the OK button TC s dialog box For proper CO sensor kit attachment and use refer to the operator s manual of the CO sensor kit 2 21 2 INSTALLATION PREPARATION Connecting the DC Input Cable Connecting the DC Input Cable WARNING Before connecting or disconnecting the DC input cable to the DC input connector on the JE 921A AG Electrode Junction Box make sure that the power of the external instrument is turned off or DC signal is not output from the external instrument Failure to follow this warning may cause electrical shock to the patient and operator NOTE e When connecting an external instrumen
57. near an electrosurgical unit or RF therapeutic equipment Select a room with no excessive noise vibration sunlight high humidity or water splashes Make sure that there is no influence from a cellular phone Avoid locations where the electrode junction box may receive strong electromagnetic interference such as radio or TV stations cellular phones or two way mobile radios Do not locate the electrode junction box and mini junction box where it could fall on the patient and cause injury Do not install the electrode junction box where it will be exposed to water or chemical solutions Avoid direct sprinkling spray or moist air from the nebulizer or humidifier These cause malfunction and shorten the life of the electrode junction box NOTE Do not place blankets or cloth over the electrode junction box Do not install the electrode junction box in dusty area e When the electrode junction box is used in a high frequency electric field the displayed waveform may be thicker Arrange the electrode junction box and other equipment so that the radiation noise caused by other equipment with a CRT display is reduced as much as possible 2 1 2 INSTALLATION PREPARATION Setting the Electrode Junction Box on the Cart CAUTION e Use only the KC 001A or KD 015A 016A cart for the electrode junction box If any of these carts is not used secure the electrode junction box so that it does not fall off or tip over e Align the
58. ng two Electrode Junction Boxes electrode junction boxes To use two electrode junction boxes do the following 1 Set the ID number to 2 for the second electrode junction box The ID number can be set by the J012 jumper switch on the EPJ CPU board in the electrode junction box The default setting is 1 To change the setting refer to the service manual When the power of the electroencephalograph is turned on the 10 kQ or 20 kQ impedance display LED lights to indicate the ID number ID 1 10 KQ ID 2 20 kQ 2 Connect the second electrode junction box to the electroencephalograph Refer to Cable Connections Connecting the Cables Connecting the PC Unit and the Electrode Junction Box in Section 2 System Program Peles 3 Create shortcut icons for the first and second electrode junction box An File Junction Box Help acquisition program shortcut icon and system program shortcut icon are created for each electrode junction box 1 Click the System icon in the System Program window The System Settings dialog box General page opens ol DY Unit 2 Click the 2 bed acquisition button on the Other Settings area The 2 Bed Acquisition dialog box opens 2 Bed Acquisition xj Other Settings Automatically save selected waves Create shortcuts for acquisition and system setting for bed 1 and 2 FT Use current system settings in review To use different settings for bed or 2 create a shortcut
59. nnot be performed on a site with poor peripheral circulation When not monitoring SpO disconnect the SpO adapter cable from the electrode junction box Otherwise noise from the probe sensor may interfere and incorrect data is displayed on the screen CAUTION e Only use the specified probes Otherwise SpO cannot be monitored properly e Do not use a damaged or disassembled probe e Do not use the probe over its stated lifetime Otherwise the SpO measurement accuracy cannot be guaranteed e If the skin gets irritated or redness appears on the skin by the probe change the attachment site or stop using the probe e Under normal conditions normal light has negligible effect on this probe However when measuring under strong light surgical light sunlight etc cover the probe with a blanket or cloth Otherwise measurement accuracy is affected Operator s Manual JE 921A AG 1 5 1 GENERAL CO Measurement 1 6 Caution continued e While a patient is on medication which causes vasodilation the pulse waveform may change and in rare cases the SpO value may not be displayed Do not pull or bend the probe cable and do not let caster feet run over the probe cable Do not immerse the probe cable in chemical solutions or water Failure to follow these cautions may cause cable discontinuity short circuit skin burn on the patient and incorrect measurement data Replace any broken probe with a new one If the Ch
60. nput Jack USEiissas ssis auina a aaeanoa ia aA 2 4 Required Ee ee 2 4 INPUT Le 2 4 Input Jacks C3 and CH 2 4 Input Jacks A1 and A2 or FP1 and FP 2 2 4 Checking Original Electrode Potentials for All Active Electrodes 000111 2 4 Introduction to Electrode Position Derivation and Montage 2 5 Electrode POSIT OM sion a id ada 25 Nie el EE 2 5 Monopolar Derivations Referential Derivation 2 5 BN Balanced Noncephalic Reference Derivation 2 6 Bipolar Derivation lt 2 6 Ti and T2 Electrodes sarni ee arcada doetesencgssuvnedsecacnedieaveceandes 2 6 PGT and PG2 Electrodes micras ia tada 2 6 Montage Patten 2 6 Attaching the Electrodes to the Patient 2 7 EEG Scalp Disk Electrodes cromatina ra 2 7 Electrode POSITIONS 2 7 Earlobe Electrodes ici iaa a 2 8 ECG Electrodes 2 8 Operator s Manual JE 921A AG C 1 CONTENTS Connecting Electrode Leads to the Electrode Junction Box 2 9 Connecting the JE 922A AG Mini Junction Box 2 9 EEG Electrodes ET 2 10 ECGElECtHOdOS
61. off attach a Unusable or Repair request label to the electrode junction box and contact your Nihon Kohden distributor or representative Problem Possible Cause Action The Acquisition program does not open The USB cable from the electrode junction box is not connected to the PC unit Turn the power off then firmly connect the USB cable to the PC unit Operator s Manual JE 921A AG NOTE When the optional JL 951T3 SpO Adapter is connected to the electrode junction box and there is an extreme power surge an SpO UNSTABLE PULSE message appears To prevent noise from the AC power line ground the electroencephalograph with a low impedance ground lead i e 1 5 m or less connect the AC power cord to another AC outlet and or turn off the power of surrounding equipment 3 1 3 TROUBLESHOOTING MAINTENANCE SpO Error Messages SpO error message is displayed on the SpO channel of the extended channel bar and event bar Solve the problem referring to the following table When an SpO error message is displayed the SpO value becomes 0 Alarm Display Possible Cause Action 3002 UNSTABLE Patient body movement Check the patient condition Remove PULSE the cause by changing the attachment site etc Probe attachment is unstable Firmly attach the probe to the patient CONNECTOR OFF SpO2 adapter is disconnected from the Firmly connect the Sp
62. ogram File Junction Box Help pul JE425A 10 2 JE 9104 9 JE 9124 9144 Sleep JE 011A Wireless 32ch JE 012A Wireless PSG JE 013A Wireless 64ch EEG 2100 Compatible Mode Multi Channel 2 28 When the electrode junction box is selected from the Junction Box menu the following settings in the System Program are changed to the settings for the electrode junction box e Pattern settings e Contents of the table list of the Patient Information e Contents of the Annotation dialog box when annotating waveform and adding annotations e The electrodes that are used for waveform acquisition and saved in a file with the EEG waveforms e Sampling frequency 1 From the EEG window double click the System icon The System Program window opens 2 Save the current system settings if necessary 3 From the Junction Box menu select JE 921A The confirmation dialog box opens 4 Click the OK button To cancel setting click the Cancel button 5 From the File menu select Close to close the System program and save the changed setting After selecting the electrode junction box check and change the above settings for the electrode junction box Refer to Section 4 System Program in the EEG 9100 9200 electroencephalograph operator s manual Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Settings When Using Two You can measure the EEG waveforms for two patients simultaneously by usi
63. ons or water Failure to follow these cautions may cause cable discontinuity short circuit skin burn on the patient and incorrect measurement data Replace any broken probe with a new one If the Check SpO unit Check SpO probe site SpO probe not working SpO module not working or SpO measurement unstable message appears frequently even when the probe is attached on a site with appropriate thickness the probe is deteriorated Replace the probe with a new one When error messages which indicate faulty probe or 500 adapter appear stop monitoring and replace the probe or SpO adapter with a new one NOTE e When the Searching for SpO pulse message is displayed for a long time it means that the detected pulse is too small to measure Reposition the probe e When there is an extreme power surge an SpO UNSTABLE PULSE message appears To prevent noise from the AC power line ground the electroencephalograph with a low impedance ground lead i e 1 5 m or less connect the AC power cord to another AC outlet and or turn off the power of surrounding equipment Operator s Manual JE 921A AG SpO Probe Reusable Probes 2 INSTALLATION PREPARATION Select the appropriate probe according to the purpose CAUTION Only use the specified probes Otherwise SpO cannot be monitored properly Model Subject Weight Attachment Site SpO2 adapter Finger Probe TL 201T Adults
64. onsult your Nihon Kohden distributor or representative for additional suggestions The CE mark is a protected conformity mark of the European Community The products herewith comply with the requirements of the Medical Device Directive 93 42 EEC This equipment complies with EUROPEAN STANDARD EN 60601 1 2 2002 which requires EN 55011 class B NOTE about Waste Electrical and Electronic Equipment WEEE directive 2002 96 EEC For the member states of the European Union only The purpose of WEEE directive 2002 96 EEC is as a first priority the prevention of waste electrical and electronic equipment WEEE and in addition the reuse recycling and other forms of recovery of such wastes so as to reduce the disposal of waste Contact your Nihon Kohden representative for disposal at the end of its working life iv Operator s Manual JE 921A AG Conventions Used in this Manual and Instrument Warnings Cautions and Notes Warnings cautions and notes are used in this manual to alert or signal the reader to specific information WARNING A warning alerts the user to possible injury or death associated with the use or misuse of the instrument CAUTION A caution alerts the user to possible injury or problems with the instrument associated with its use or misuse such as instrument malfunction instrument failure damage to the instrument or damage to other property NOTE A note provides specific informa
65. pment This electrode junction box can be connected to an EEG 9100A J K G and EEG 9200A J K G Electroencephalograph with system program version 05 50 or later Operator s Manual JE 921A AG 1 GENERAL Panel Descriptions JE 921A AG Electrode Junction Box WARNING Connect only the specified instruments to the connectors or socket marked with A by following the specified procedure Otherwise electrical leakage current may harm the patient and operator 1 S 3 Front panel x5 4 Y CS Si 12 Name Function 1 Impedance display LED After the skin electrode contact impedance check a lit LED indicates an electrode impedance higher than the preset value 2 Z jack Reduces the artifact when the electrode for Z on the patient is connected to the Z jack Be sure to attach the Z electrode to the patient during measurement 3 Bipolar jack Inputs biological signals other than EEG The X1 to X4 bipolar jacks can be used as an extra jack To select bipolar jack or extra jack refer to the System program 4 Bipolar jack RESP F C A jack Inputs biological signals other than the EEG Or connects the thermistor pickup option or 3 port respiration pickup option for measuring the respiration waveforms WARNING Only connect a respiration pickup which is specified by Nihon Kohden to the RESP F C A jack If an unspecified respiration pickup sensor or equi
66. pment is connected electrical leakage current may harm the patient and operator NOTE The X5 to X7 bipolar jacks and the RESP jacks cannot be used simultaneously Operator s Manual JE 921A AG 1 9 1 GENERAL Name Function 5 Electrode jack 6 2 5 10 20 50 KW SELECTOR Impedance preset key 7 IMPEDANCE CHECK key 8 SpO CO connector 9 USB cable 10 Functional ground lead 11 Photo mark cable 12 Cord hanger Left side panel Name Connects the EEG disk electrode Selects a preset impedance threshold for evaluation The LED indicates the selected impedance Measures skin electrode contact impedance at the electrode junction box Press for about one second The check result is displayed on the screen and a lit LED on the electrode junction box indicates an electrode impedance higher than the preset value Connects to the JL 951T3 SpO Adapter or TG 921T3 CO Sensor Kit One SpO adapter and one CO sensor kit can be connected to either connector at the same time NOTE If two SpO adapters or two CO sensor kits are connected only the measurement with the earlier connected connector is available If the power is turned on with two SpO adapters or two CO sensor kits connected only the measurement with the right connector is available Connects to the USB connector on the rear panel of the PC unit Connects to the protective ground terminal on the rear panel of the PC unit Connects to
67. r other problems 5 All circuitry used for direct patient connection must be doubly checked 6 Check that battery level is acceptable and battery condition is good when using battery operated models 4 During Operation 1 Both the instrument and the patient must receive continual careful attention 2 Turn power off or remove electrodes and or transducers when necessary to assure the patient s safety 3 Avoid direct contact between the instrument housing and the patient 5 To Shutdown After Use 1 Turn power off with all controls returned to their original positions 2 Remove the cords gently do not use force to remove them 3 Clean the instrument together with all accessories for their next use 6 The instrument must receive expert professional attention for maintenance and repairs When the instrument is not functioning properly it should be clearly marked to avoid operation while it is out of order 7 The instrument must not be altered or modified in any way 8 Maintenance and Inspection 1 The instrument and parts must undergo regular maintenance inspection at least every 6 months 2 If stored for extended periods without being used make sure prior to operation that the instrument is in perfect operating condition Operator s Manual JE 921A AG i 3 Technical information such as parts list descriptions calibration instructions or other information is available for qualified user technical personne
68. r setting is not correct Check the AC filter setting in the System Program SpO2 PROBE FAILURE Faulty probe Replace the probe with a new one SpO2 hardware failure Faulty SpO2 adapter Replace the SpO2 adapter Unknown Adapter Unspecified SpO2 adapter is connected Use the specified SpO2 connector 3 2 Operator s Manual JE 921A AG CO Error Messages 3 TROUBLESHOOTING MAINTENANCE CO error message is displayed on the CO channel of the extended channel bar and event bar Solve the problem referring to the following table When a CO error message is displayed the CO value becomes 0 mmHg Alarm Display Possible Cause Action Unknown Adapter Unspecified CO2 sensor kit is Use the specified CO2 sensor kit connected Connector OFF CO2 sensor kit is disconnected from the Firmly connect the CO2 sensor kit to electrode junction box the electrode junction box box Faulty CO2 sensor kit Replace the CO2 sensor kit Light Source Failure CO2 sensor is faulty or deteriorated Replace the CO2 sensor kit Apnea The patient is in apnea The previous value is displayed on the screen until the next inspiration is detected Check the patient ventilation Auto Zero Zero calibration is performed Wait until zero calibration is finished Sensor Failure CO sensor is faulty Replace the CO2 sensor Module Failure CO2 module is faulty Replace the CO2 sensor kit CO2 Adapter
69. rantee that the driver you choose will be the best match for your hardware Hardware Installation 1 A The software you are installing for this hardware EEG 9000 USB Target has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for e EEG 9000 USB Target Click Finish to close the wizard lt Back rs Cancel Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION 7 Inthe Browse for Folder dialog box select the C nfx11 WVXXXX Eeg90Usb EegUsb inf file and click the OK button XXXX is the software version 8 Make sure that C nfx11 WXXXX Eeg90Usb is displayed and click the Next button The Hardware Installation message box opens 9 Click the Continue Anyway button 10 In the Completing the Upgrade Device Driver Wizard click the Finish button 11 Restart the computer 2 25 2 INSTALLATION PREPARATION If the Installation Is If there is an error at anytime during the USB drive insta
70. s Manual JE 921A AG 4 REFERENCE Input Output Connector Jack Pin Assignment JE 921A AG Electrode Junction Box Operator s Manual JE 921A AG CAUTION Connect only the recommended equipment to the instrument input output connectors or jacks Otherwise there is a risk of electrical shock to the patient and operator DC Input connector Multiple connector REMOTE MARK connector WARNING When the JE 922A AG Mini junction box or BE 911A BE 912A EEG disk electrode is not used make sure that the multiple connector cover is firmly attached to the electrode junction box Failure to follow this warning may cause electrical shock to the patient and operator CAUTION e Only connect the JE 922A AG Mini Junction box or BE 911A BE 912A EEG Disk Electrode to the multiple connector When another type of mini junction box is connected the instrument may malfunction e Do not touch the multiple connector on the electrode junction box while the power is turned on Before connecting the JE 922A AG Mini Junction Box or the BE 911A 912A EEG Disk Electrode to the electrode junction box discharge the electrostatic energy from yourself by touching a metal part which is connected to ground Otherwise the electrode junction box may malfunction 4 REFERENCE 7 oo AED 2 4 8 pO2 CO2 DC1 DC2 5 8
71. se stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength outside the shielded location in which the JE 921A AG is used exceeds 3 V m observe the JE 921A AG to verify normal operation If abnormal performance is observed additional measures may be necessary such as relocating the JE 921A AG or using a shielded location with a higher RF shielding effectiveness and filter attenuation WARNING The JE 921A AG must be used only in a shielded location with a minimum RF shielding effectiveness and for each cable that enters the shielded location a minimum RF filter attenuation of 20 dB over the frequency range 150 kHz to 2 5 GHz e System Composition for EMC Test The JE 921A AG Electrode Junction Box is tested to comply with IEC 60601 1 2 2001 with the following composition If any part which is not specified by Nihon Kohden is used the EMC specifications may not comply Units Cable length JE 921A AG Electrode Junction Box 5m JE 922 A AG Mini Junction Box 5m JL 951T3 SpO2 Adapter TL 201T Finger Probe 5m TG 921T3 CO2 Sensor Kit 3 5m 4 4 Operator s Manual JE 921A AG Standard Accessories NOTE 4 REFERENCE
72. skin peripheral to the probe attachment site Even for short term monitoring there may be burn or pressure necrosis from poor blood circulation especially on neonates or low birth weight infants whose skin is delicate Accurate measurement cannot be performed on a site with poor peripheral circulation When not monitoring SpO disconnect the SpO adapter cable from the electrode junction box Otherwise noise from the probe sensor may interfere and incorrect data is displayed on the screen CAUTION e Only use the specified probes Otherwise SpO cannot be monitored properly e Do not use a damaged or disassembled probe e Do not use the probe over its stated lifetime Otherwise the SpO measurement accuracy cannot be guaranteed e If the skin gets irritated or redness appears on the skin by the probe change the attachment site or stop using the probe 2 INSTALLATION PREPARATION 2 14 Caution continued Under normal conditions normal light has negligible effect on this probe However when measuring under strong light surgical light sunlight etc cover the probe with a blanket or cloth Otherwise measurement accuracy is affected While a patient is on medication which causes vasodilation the pulse waveform may change and in rare cases the SpO value may not be displayed Do not pull or bend the probe cable and do not let caster feet run over the probe cable Do not immerse the probe cable in chemical soluti
73. t to the DC input connector an unwanted radio frequency signal is generated from this connection This affects devices such as radio and television receivers operating near the instrument To reduce the unwanted radio frequency signal attach the provided ferrite core to the DC input cable e Use a DC input cable that is 3 m or less 1 Attach and fix the ferrite core near the connector of the DC input cable that connects to the DC input connector on the left side of the electrode junction box 2 Wrap the DC input cable around the ferrite core more than 2 turns DC input connector 3 Connect the DC input cable to the DC input connector Settings for the DC Input The DC input signal can be displayed on the screen Signal Measurement 1 In the System Program window click the Pattern icon The Pattern table opens 2 Click the TC column The TC s dialog box opens CH G1 Sens 16 s HF H Cal uJ Displa Color Widtk Comment A1 ACC ACC ACC ACC Om 2 Fp2 A2 ACC ACC ACC ACC On ala au acc acc acc acc on 120 Monte G nn ag acc acc acc acc on cu Monte 3 Select the DC input channel au lacc acc acc acc Om S Mons C loO A2 ACC ACC ACC ACC Om 120 Mont DC signal DC03 to DC06 Tapa au acc acc acc acc on zu Monte C lpn az acc acc acc acc on Valor ai acc acc acc acc on tOloz a2 Acc acc AC acc Om 4 Click the OK button lr A1 Acc Acc Acc d2lre jaz acc AC
74. ted to the electrode junction box e CO sensor kit is properly connected to the electrode junction box Accessories Sensors Enough electrodes e Enough EEG paste e Sensors are disinfected or sterilized and completely dry Check Items After Turning No fire smoke or smell the Power On e No electrical shock when touching the electrode junction box e Electrode junction box is not too hot e Electrode junction box does not adversely affect surrounding equipment e All operation indicators light e There is no error message on the screen or malfunction e Calibration waveform is properly displayed e No noise on the calibration waveform e Amplitude of the calibration waveform is correct Check Items After Tu rning Power of all external instruments is turned off the Power Off e Electrode junction box or mini junction box is not dirty damaged or in contact with liquid e No peel or tear on the electrode junction box or mini junction box e No electrode lead or sensor is frayed or damaged e Sensors are disinfected or sterilized and completely dry Operator s Manual JE 921A AG 2 23 2 INSTALLATION PREPARATION Installing the USB Driver Do this procedure when the electrode junction box is connected to a different USB connector on the PC unit or the second electrode junction box is connected to the PC unit for the first time Then turn on the power of the electroencephalograph Installing the USB Driver Fo
75. the electrode attachment is incorrect the original electrode potential is flat or unstable or artifact is superimposed on the original electrode potential Omit the measurement result if the displayed EEG waveform is incorrect Operator s Manual JE 921A AG Introduction to Electrode Position Derivation and Montage 10 20 system electrode positions Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Electrode Position There are various systems of electrode position such as Illinois Montreal Aird Cohn etc Of these the International 10 20 system shown below is currently the most common Each system has a different number of electrodes and different electrode locations To compensate for different sized heads the distances between electrodes are given as ratios After determining the electrode position system measure the head of the patient and calculate the electrode positions according to the distance ratio between each electrode position The number of electrodes should be reduced for EEG recording on infants and small children Derivation Derivation is the electrode combination for one channel All derivations have two electrodes reference and active In monopolar derivation one electrode can be several physical electrodes connected together There are 3 kinds of derivations Monopolar Derivations Referential Derivation In the monopolar derivation one electrode is common to all channels and
76. tion in the form of recommendations prerequirements alternative methods or supplemental information Explanations of the Symbols in this Manual and Instrument The following symbols found in this manual instrument bear the respective descriptions as given Symbol Description Symbol Description Type BF applied part mM Date of manufacture Attention consult operator s A ESD warning manual Ate A The products marked with this Serial number symbol apply to the European WEEE directive 2002 96 EEC X and require separate waste The CE Mark is a protected collection conformity mark of European For Nihon Kohden products C Community The products Es labeled with this symbol 0086 herewith comply with the contact your Nihon Kohden requirements of the Medical representative for disposal at the Device Directive 93 42 EEC end of its working life Operator s Manual JE 921A AG lt Precautions for Input Jack Use NOTE Do not perform EEG measurement without the Z C3 C4 A1 and A2 electrodes Use of input jack Z Connect the lead from the electrode Z electrode attached on the patient s nasion to the input jack Z on the electrode junction box The purpose of this input jack is to eliminate AC interference NOTE The input jack Z is also used for checking electrode impedance Use of input jacks C3 and C4 Connect the leads from the electrodes attached on the positions C3 and C4 to the input j
77. to X4 bipolar jacks can be used as an extra jack To select bipolar jack or extra jack refer to the System program Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Preparing for SpO Measurement Operator s Manual JE 921A AG WARNING e Measurement may be incorrect in the following cases When the patient s carboxyhemogloin or methemoglobin increases abnormally When dye is injected in the blood When using an electrical surgery unit During CPR When there is body movement When there is vibration When measuring at a site with venous pulse When the pulse wave is small insufficient peripheral circulation When using an IABP intra aortic balloon pump Check the circulation condition by observing the skin color of the measuring site and pulse waveform Change the measuring site every 8 hours for disposable probes and every 4 hours for reusable probes The skin temperature increases at the attached site by 2 or 3 C and van cause burn or pressure necrosis When using the probe on the following patients take extreme care and change the measuring site more frequently according to symptoms and degree A patient with fever A patient with peripheral circulation insufficiency Neonate or low birth weight infant with delicate skin To avoid poor circulation do not wrap the tape too tight when fixing the probe with surgical tape Check the blood circulation condition by observing the skin color and congestion at the
78. tored properly TG 921T3 CO2 Sensor Kit JG 921T3 CO2 adapter YG 120T YG 121T for nasal breathing for naso oral breathing Clip Mouth guide Description Model Q ty Code No Nasal adapter for nasal breathing YG 120T 30 V921 Nasal adapter for nasao oral breathing YG 121T 30 V922 Over 3 years old or over 10 kg Operator s Manual JE 921A AG Connecting Probe to the Electrode Junction Box Settings for the CO Measurement 2 INSTALLATION PREPARATION Connect the CO sensor kit cable to the SpO CO connector on the electrode junction box Make sure that the t arrow mark on the sensor kit cable connector is aligned with the W mark on the SpO CO connector One SpO adapter and one CO sensor kit can be connected to either connector at the same time NOTE e When connecting or removing the CO sensor kit cable to from the electrode junction box hold the sensor kit cable connector If the sensor kit cable is pulled this may damage the sensor kit cable e Before connecting the CO sensor kit to the electrode junction box make sure there is no damaged pin on the sensor kit cable connector e If two CO sensor kits are connected only the measurement with the earlier connected connector is available If the power is turned on with two CO sensor kits connected only the measurement with the right connector is available The etCO data and CO waveform can be displayed o
79. trode lead tips because this may cause the tips to rust Immerse the electrodes in running water for several minutes Wash the electrodes gently being careful not to scratch their surfaces Thoroughly dry them with a dry soft cloth gt AS Clean the electrode straps using these procedures Disinfection and Sterilizing CAUTION e Never autoclave the electrode leads and connection cables es The sterilizer temperature must not exceed 70 C 158 F The electrode s may deform or melt above this temperature Use ethylene oxide gas according to the sterilization equipment if sterilization is necessary The sterilizing conditions depend on the contamination Refer to the manual of the sterilizing equipment The following is an example Gas Ethylene oxide 30 carbon dioxide 70 EO concentration 710 mg L Temperature 45 C 113 F Relative humidity 50 Pressure 96 kPa 0 5 kg cm Period 5 to 10 hours To remove the remaining gas from the electrode and lead after sterilization first decrease the internal pressure of the sterilization equipment to 96 kPa with a vacuum pump then add carbon dioxide or antiseptic gas in the equipment Repeat this procedure aeration at least 5 times Operator s Manual JE 921A AG 3 TROUBLESHOOTING MAINTENANCE Electrode Lead Check When any of the following troubles occurs during measurement check the electrode lead wire with a multi meter An artifact is s
80. ual value because CO gas in the oxygen mask may be in the inspiration The TG 921T3 CO Sensor Kit is not to be used with patients younger than 3 years old or weighing less than 10 kg 22 Ibs When the CO sensor not working or CO adapter abnormality message is displayed check the CO sensor kit and replace it if necessary CO cannot be monitored while the message is displayed CAUTION Turn off the power of the electroencephalograph before cleaning or disinfecting Otherwise you may get an electrical shock or the electrode junction box may malfunction CAUTION Do not disassemble the electrode junction box when checking the electrode junction box or performing maintenance If there is any damage or the electrode junction box is suspected to be faulty attach an Unusable or Repair request label to the system and contact your Nihon Kohden distributor or representative 1 GENERAL 1 8 NOTE When the electrode junction box is used in a high frequency electric field the displayed waveform may be thicker When the optional JL 951T3 SpO Adapter is connected to the electrode junction box and there is an extreme power surge an SpO UNSTABLE PULSE message appears To prevent noise from the AC power line ground the electroencephalograph with a low impedance ground lead i e 1 5 m or less connect the AC power cord to another AC outlet and or turn off the power of surrounding equi
81. und New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on eb site with your permission Can Windows connect to Windows Update to search for software Yes this time only Yes now and every time connect a device z No not this time Click Next to continue lt Back Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for EEG 3000 k If your hardware came with an installation CD 2 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended Click Next to continue Please choose your search and installation options D Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Bea d lo 4 1 C Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware 2 24 Turn the power of the electroencephalograph on Refer to Power On Procedure in Section 3 of the electroencephalograph
82. uperimposed on the waveform of a specified channel during recording An artifact AC interference is superimposed on the waveforms of all channels during recording The Z C3 C4 Al or A2 electrode may be broken or not properly attached The electrode skin impedance is not decreased even after checking reattaching the electrode CAUTION Before disposing of a lead wire check with your local solid waste officials for recycling options or proper disposal Regular Check Check the following items regularly to keep your instrument in optimal condition Electrode junction box or mini junction box is not dirty damaged or rusty Electrode junction box and mini junction box is correctly connected Electrode junction box and electroencephalograph is correctly connected No label is torn No key on the electrode junction box is broken No electrode lead is frayed or damaged Calibration waveform is properly recorded The sensitivities and time constant are correct No current leakage Repair Parts Availability Nihon Kohden Corporation NKC shall stock repair parts parts necessary to Policy maintain the performance of the instrument for a period of 6 years after NKC announces discontinuation of the instrument In that period NKC or its authorized agents will repair the instrument This period may be shorter than 6 years if the board or part necessary for the faulty section is not available For discontinuation
83. y 24 hours Using the nasal adapter for longer than 24 hours affects measurement accuracy Immediately replace the nasal adapter if blood sputum or mucus adhere to the transparent film of the airway adapter and nasal adapter Do not damage the transparent film and do not let dust or chemical solutions contact the transparent film If these occur replace the nasal adapter with a new one Do not touch the transparent film with your fingers do not wipe it and do not wash it with alcohol or other detergents When applying the YG 121T Nasal Adapter to the patients with serious bleeding overall poor condition or malnutrition check the patient s condition periodically to avoid compression gangrene The measurement may be inaccurate when a patient with an extremely high respiration rate or patient with irregular respiration is monitored Read the measured values carefully e When using an anesthetic instrument with volatile anesthetic agent the CO measurement will become inaccurate Operator s Manual JE 921A AG 2 INSTALLATION PREPARATION Caution continued e With this CO sensor measurements are based on the assumption of no CO gas in the inspiration The CO concentration in the respiration is calculated by taking the CO concentration in the inspiration as 0 mmHg Therefore if an oxygen mask is used on the patient the acquired data may be lower than the actual value because CO gas in the oxygen mask may be in the inspiration

Nihon Kohden Electrode Junction Box JE

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