arcomed Syramed USP-6000 Infusion Pump Service Manual
Contents
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3. Out Contact Clutch1 8 X2 Pressure Hall PCB X0 Hall 00 Hall Out re 2 Sensor PCB uSP6000 date Connector PCB 4 X1 K 3 2 10 1 1 4 5 y 8 NurseCall 1 Syringe Drop 2 1 3 X2 1774 Extern External 3 4 PCA Connector 6 X3 F1 12V 12V 4 vo A WNL 1 5 6 F2 Pressure PCB 0 1 8 2 7 P Sensor 3 NIS 6 co 4 5 e SL J 1 1 01 2 ontact 1 Pressure 2 2 ol 2 11 2000 drawn scale mm checked copyright arcomed confidential material Nr 6001 0104 o m S o eo o o x a e ux o ge aa ko 1 C1 06 C m R4 12K D2 D3 D4 Oe ep Y 24 74HC154 M os 7 8 9 15 Gi G2 mm UE 12 al D12 0120 9 dp dp D7 D8 w ee o a o BEDS Qa o M LL Qa o I IT TT T o a o o f a 9 Q ko dp D5 D6 P P M iN NUN F V1
4. Manual setting Press the OPTION key 5 sequentially to display pressure and alarm pressure limit in the LCD window 6 Hold down the OPTION key 5 until the VOLUME display 10 flashes Lxxx The pressure limit may be manually set using the VOLUME keys 13 in the VOLUME display 10 and the data in the LCD window changes accordingly This can also be done while the infusion is in progress NOTE Manual setting of pressure deactivates the automatic pressure setting i e the pressure remains at the current level independent of the rate selected Example Injectomat 50 ml syringe 25 ml h press limit 500 mBar Time to alarm 100 sec 10 ml syringe 5 ml h press limit 200 mBar Time to alarm 70 sec If the pressure rises beyond the limit set the pump stops and the stored bolus is automatically reduced to virtually zero volume An audible and visual alarm is activated Check the IV carefully for the cause of the alarm Do not restart the pump until the occlusion is released Setting time and date Press the OPTION key 5 sequentially to display date and time in the LCD window 6 Hold the OPTION key 5 down until the display flashes The time may be set using the volume keys 13 in the Volume display 10 e g h9 45 9 45 am This can also be done while the infusion is in progress The syramed has the possibility to automatically adjust the daylight save time summer time The adjustments can be done as per EU US or Austr
5. gt 20 combined errors Page 20 Measure Replace main PCB Replace main PCB Check drive Replace main PCB Check syringe clamp Replace main PCB Replace display PCB Replace main PCB Lithium battery Replace EPROM Replace main PCB Check all EEPROM values Replace main PCB Lithium battery Replace main PCB Replace main PCB Replace main PCB Replace main PCB Replace main PCB Replace main PCB Replace main PCB Check pump replace main PCB 10 Replacement of parts The syramed symbol USP6000 may only be repaired by ARCOMED AG or persons Officially authorised in writing by Arcomed AG or Arcomedical Infusion Ltd to do so In the event of a warranty claim please send the unit to the address shown in Chapter 1 1 CAUTION The unit must be switched off and the mains connection removed before commencing repairs a Dissassembly of case Remove the two tie screws in the pole clamp on the rear of the unit and separate the two sections of the case First check and record the positions of all connectors and the disconnect those between the front and rear assemblies where necessary Ensure that all connectors are correctly positioned and inserted when reassembling the unit see Topography Main PCB b Removal of the main PCB Undo the four screws between the main PCB and the chassis CAUTION Sensitive electronic parts can be damaged by static voltage if the main PCB is handled incorrectly Be sure that correct cable
6. 0123 TUV PS Munich Germany The manufacturer according to MDD is Arcomed AG Althardstrasse 146 CH 8105 Regensdorf Zurich Switzerland Responsible for the EC is Arcomedical Infusion Ltd West Horndon Essex CM13 3XL UK The Syramed uSP6000 may be operated only on mains power installed to DIN 57107 VDE 0107 or the appropriate national standards If the integrity of the mains power supply protective earth system is in doubt the pump should be operated on battery power Mobile telephones should not be used anywhere near this equipment Mounting the pump Check the pump and accompanying accessories for damage when unpacking The pump must not be operated if damaged Should the pump be damaged contact our Service Department Permitted mounting positioned on a flat horizontal surface or pole mounted on an infusion stand or rail mounted The pump should normally be operated from a mains power supply The internal batteries will automatically operate the pump in the event of a power failure CAUTION This pump is not designed for use in areas where there is an explosion hazard Environmental requirements as per IEC601 1 2 must be observed Do not operate this pump in an environment with high levels of electromagnetic radiation such as surgical diathermy or mobile telephones For further information contact the official distributor in your country or the Customer Service Department in Switzerland Switzerland arcomed ag Althardstr 1
7. 1 Mean accuracy measured over 60 minutes typical values rate ml h measured rate ml h error 1 0 1 01 0 75 2 0 1 99 0 12 5 0 4 91 1 83 25 0 25 25 1 00 Table 2 Short term accuracy typical values rate ml h 2 min window 5 min window Max Min Max Min 1 0 4 84 3 70 3 89 2 18 2 0 3 35 2 65 1 81 0 89 5 0 1 97 1 30 0 90 0 38 25 0 0 95 0 66 0 67 0 50 Page 14 Weight mg Flow Flow Error Time File Name SP6000 25ml h Plastipak 50 ml Rec date Rec time Rate ml h Evaporation Scans Interval s 8 9 1998 0 05 39 Uhr Flow ml h 50 0 37 5 25 0 12 5 0 0 0 00 0 10 0 20 0 30 0 40 0 50 1 00 1 10 1 20 1 30 1 40 1 50 2 00 Trumpet Curve 10 0 2 Min max 5 0 KEE 0 93 2 Min min 0 0 5 Min max 5 0 Oe 0 67 5 Min min 10 0 0 50 0 30 Weight mg Flow Flow 0 Error 96 Time File Name SP6000 2 ml h Plastipak 50ml Rec date Rec time Rate ml h Evaporation Scans Interval s 10 7 1999 9 59 49 Uhr Flow ml h 4 0 3 0 2 0 1 0 0 0 0 00 0 10 0 20 0 30 0 40 0 50 1 00 1 10 1 20 1 30 1 40 1 50 2 00 Trumpet Curve 10 0 2 Min max 6 3 35 2 Min min 0 0 HA 2 65 5 Min max 5 0 5 Min min 10 0 0 00 0 10 0 20 0 30 8 1 8 2 8 2 1 TECHNICAL DESCRIPTION Introduction The Syramed uSP6000 is a microprocessor controlled syringe pump having comprehensive softwa
8. Drive 12 Page 22 Rev 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 Material ABS steel Santoprene steel steel steel electronics plastic UL94V 0 steel steel glass steel polyamide steel ABS Cu ABS Cu ABS aluminium steel steel steel ferrite paper PVC cable cable ABS ABS ABS PVC PVC electronics PVS G steel ABS magnet ABS POM steel steel steel steel steel POM steel steel iron Cu electronics POM POM steel steel iron Cu steel steel steel magnet POM 70570 70580 70590 70600 70610 70620 70630 70640 70650 70660 70670 70680 70690 70700 70710 70720 70730 70740 70750 70760 70770 70780 70790 70800 70810 70820 70830 70840 70850 70851 70860 70870 70880 70890 70900 70910 70920 70930 70940 70950 70960 70970 70980 70990 71000 71010 71020 71030 71040 71050 71060 71070 71080 71090 71100 71110 71120 71130 71140 71150 71160 71170 71180 71190 Drive pulley 32MXL complete Gear wheel 10 28 M0 5 No 1 Membrane pressure sensor Pressure sensor bolt Pressure sensor PCB Cable Pressure print Gear wheel 10 28 M0 5 No 3 Drive spindle 1 6 Gear wheel
9. Plastic screw 3 x 10 Transformer mounting plate Fuse T200mAT 250V IR window Cylinder screw M4x6 Toriodal transformer 8 5VA 230V Toriodal transformer 8 5VA 110V Sealing gasket Tie 6000 Handle 6000 Bolt 4x20 Camshaft M8x40 Ferrite 6000 D Instruction Manual 6000 D Instruction card Cable seal Cable 20 pol display Door latch Front door moulding Mask LED Foil 1 x 3 LED Cover LED Display PCB Keypad amp display overlay Plastic screw 2 5 x 6 Transparent door Magnet 8x6x2 Rear door moulding Drive head Plastic screw 2 5 x 16 Drive tube with full nut screw M3x5 screw M2x5 Inner Tube Drive plate Nut lead screw Leadscrew Step motor Hallsensor PCB Drive pulley 10MXL complete Drive tube bearing Cylinder screw M3x8 screw M2x5 DC motor Cylinder screw M3x8 Mounting plate small Connecting rod Magnet 23 x 3 Gear wheel 81MXL b 3 5mm Assy Back 1 Back 1 Front 1 Back 1 Front Back 5 Drive 9 Door 2 Back 3 Back 5 Back 3 Front 5 Back 4 Back 5 Back 6 Back 4 Back 4 Back 4 Back 6 Door 6 Back 7 Back 7 Back 7 Back 7 Back 4 document document Door 1 Door 1 Door 5 Door 2 Door 3 Drive 9 Door 3 Door 3 Door 2 Door 4 Door 2 Door 6 Door 5 Door 6 Door 7 Drive 1 Door 7 Drive 1 Drive 1 Drive 1 Drive 1 Drive 1 Drive 1 Drive 11 Drive 9 Drive 9 Drive 9 Drive 11 Front 9 Front 10 Drive 10 Drive 10 Drive 11 Drive 11 Drive 11 Drive 12
10. The pump may be fixed to the infusion stand by means of the pole clamp 22 on the rear of the unit c Where possible mains power should be used Plug the mains power cable into the connector socket 18 at the rear of the pump The mains pictogram illuminates as soon as the mains supply is connected The battery is charged automatically d Draw up the infusate into the syringe using an aseptic technique and make sure there is sufficient excess volume to prime the extension set Connect the Page 4 3 2 3 3 extension set e Press the ON OFF key 11 The audible alarm beeps and all indicators illuminate The software revision number rx xx and then the pump configuration C xxx illuminate briefly f Open the pump door 15 by releasing the latch 1 Open the syringe clamp 2 The drive head 3 is powered automatically to extend fully to the right g Locate the syringe 4 in the pump with the Luer connector to the left so that the ears of the syringe are positioned in the slot in the pump body THIS IS IMPORTANT Push the syringe ears to the left so that they engage the front edge of the slot Controlled automatic syringe loading After closing the syringe clamp 2 the drive head stays extended to the right Press the PRIME key 8 and hold it down so that the drive head is powered to engage the syringe and to lock onto the syringe plunger When the infusion is finished press the PRIME key 8 to move the drive head to
11. connections are made when reassembling unit refer to socket positions on the leaflet Main PCB Topography The connector PCB is also fixed by two screws c Removal of the display PCB and covers Undo the eight screws at the rear of the door which hold the door assembly together Undo the five screws between the PCB and the front door section and carefully remove the PCB After reassembly ensure the correct key functioning d Removal of the mecanical assembly drive Undo the three mounting screws holding the mechanical assembly to the case Undo the grub screw attaching the drive plate to the drive tube Carefully withdraw the leadscrew from the tube and disconnect the cable The mechanism can then be removed from the case Re assemble in reverse order In particular mount the o ring seal correctly Page 21 11 syramed 576000 List of spare parts Please quote the serial number of the pump when ordering Part no 70000 70010 70020 70030 70040 70050 70060 70070 70080 70090 70100 70110 70120 70130 70140 70150 70160 70170 70180 70190 70200 70210 70220 70230 70240 70250 70260 70270 70280 70290 70300 70310 70320 70330 70340 70350 70360 70370 70380 70390 70400 70410 70420 70430 70440 70450 70460 70470 70480 70490 70500 70510 70520 70530 70540 70550 70560 Description Case rear 8mm safety ring Rubber foot blue Screw M3 10 Screw M3 10 Nut M3 Connector PCB Mains connector
12. mOhm Fuse ratings must correspond to the manufacturer s specification T200 mA 250V IEC127 III SEV 1064 Test results must be recorded in the Equipment Log CAUTION After repairs and any replacement of parts test runs must be carried out in accordance with the manufacturer s protocols Page 13 7 1 Performance data The significance of trumpet graphs in clinical practice Trumpet graphs indicate the maximum and minimum percentage deviation from the set flow rate for observation windows of duration 2 to 31 minutes The maximum deviation from the set rate can therefore be determined for clinically relevant periods of time For instance many drugs used for infusion have a pharmacological and biological half life of less than 5 minutes One agent commonly used to support the cardiac output in a critically ill patient has a half life of 2 5 minutes When infusing this agent it is important that the fluctuations in flow from the syringe pump measured over a time period of 2 5 minutes do not cause the therapeutic limits of the drug to be exceeded It has been observed that cardiac stability can be disturbed by excessive fluctuations in pump output over short time periods Fluctuations in pump output depend to a great extent on the rate set and decrease as the rate is increased Remark Performance data on other syringes can be requested at Arcomed The accuracy depends mainly on the tolerances of the syringes Table
13. mobile unit The mechanism is driven by a step motor via a toothed belt and friction spindle All important operating parameters are clearly shown on an LED indicator Setting the desired values is done via touch pad keys The unit is manufactured using the latest surface mounted control technology SMD Warranty Arcomed AG offers a twelve month warranty on each Syramed uSP6000 syringe pump effective from date of delivery The warranty covers the installation and replacement of faulty parts if caused by faulty assembly or materials The warranty is rendered null and void if changes or repairs are carried out by persons who have not been authorized in writing to do so by Arcomed AG or Arcomedical Infusion Ltd and if the inspection and maintenance intervals are not observed The warranty does not cover the elimination of problems caused by incorrect operation inappropriate handling or normal wear and tear The supplier only accepts responsibility for the safety functional reliability and performance of the equipment providing that assembly extension work resetting modification or installations are carried out by personnel authorized by him the electrical system at the operating site meets IEC requirements the unit is used in accordance with these Instructions for Use The information provided in this manual applies to the currently prevailing situation and is given in good faith The manufacturer reserves the right to make modi
14. pump Pump running When the pump is running the green syringe symbol flashes The VOLUME display now indicates the volume infused in mls In order to display various data such as pump condition volume to be infused infusion time time to end of infusion battery condition syringe brand and size pressure and pressure limit press the OPTION key 5 sequentially and observe the LCD window 6 until the required data is displayed If a specific volume to be infused was selected the pump automatically switches Page 5 3 4 3 5 3 6 3 7 to KVO operation when this volume has been infused and an audible and visual alarm 14 activates The near end of syringe alarm activates three minutes before the syringe is empty audible and visual warning The time before end of syringe may be adjusted by a technician as required Press the ALARM SILENCE key 5 to silence the audible alarm for 2 minutes Resetting the volume infused In order to reset the volume infused stop the pump by pressing the STOP key 7 Press the OPTION key 5 for 2 seconds until the VOLUME display 10 flashes When the LCD window 6 displays 000 confirm this by pressing the START STOP key 7 to reset the volume infused to zero If it is not desired to reset the volume infused press the OPTION key 5 until the normal display appears Infusing a bolus When the pump is infusing a manual or an automatic bolus can be given To infuse a manual bol
15. the pump after the rate has been selected The pump may be stopped at any time using this key An additional function of this key is to confirm various parameters Prime Bolus key 8 The PRIME BOLUS key 8 key is used to prime the extension set It is also used to initiate a manual or automatic bolus 3 5 AUDIBLE ALARM SILENCE OPTION key 5 The audible alarm may be silenced for 2 minutes using the ALARM SILENCE OPTION key 5 The audible alarm is re activated after this period If there is no audible alarm the key serves as an OPTION key which enables selection of any option ON OFF key 11 The pump may be switched off using the ON OFF key 11 if the infusion has been completed All data displayed rate and volume is lost when the pump is switched off In order to avoid switching the pump off accidentally the ON OFF key 11 must be pressed for at least one second before the pump switches off If the pump is connected to the mains the STANDBY mode will switch in when the pump is switched off This means that the battery will be charged and the charge condition indicated in the LCD window Keep Vein Open KVO Rate The pump may be configured to infuse at the keep vein open rate when the volume to be infused has been delivered The KVO rate is preset at 0 3 ml h and Page 8 3 18 3 19 may be set by a technician to suite individual requirements if necessary If the set rate is smaller than than the KVO ra
16. 10 28 M0 5 No 4 Stop bolt Drive spindle 2 4 Syringe plunger latch Plastic screw 2 2 x 6 Quadring lever Gear wheel 10 28 M0 5 No 2 O ring slide Axle bolts 2 0 Drive head cover Spring plate 6x10 dia ballrace Plastic screw 2 2 x 8 Mounting plate large Mounting plate Gear weel 3m nurse call cable Dive assembly Ferrite CH 6000 mains cable SCHUKO 6000 mains cable UK 6000 mains cable Micro fuse T1A battery SMA24L buzzer Case front Cover housing latch EPROM uSP6000 Main PCB O ring tie Cylinder screw M4x6 Spacer M3x40 Spacer M3x60 Door rod Door hinge left Door hinge right Leaver syringe clamp Security ring Spring beam O ring syringe lock Syringe clamp Syringe PCB Cover housing Spacer M3x18 Screw M2 5 x 10 Spring syringe lock Spring plate Spring tube Spacer M3x20 Spacer M3x30 Tube seal Clip SS 6 mm Cylinder screw M3x5 Battery 9 6V 1 85Ah Battery holder Connector mounting plate screw M2 x 5 Drive 12 Drive 6 Drive 13 Drive 3 Drive 7 Drive 3 Drive 1 Drive 4 Drive 4 Drive 5 Drive 5 Drive 5 Drive 2 Door 5 Drive 2 Drive 6 Drive 2 Drive 2 Drive 6 Drive 2 Drive 6 Drive 6 Drive 6 Drive 8 Drive 6 Front 3 Drive 8 Back 2 Drive 8 Drive 10 final final Final final final final final final Front 1 Front 1 Front 10 Front 10 Front 11 Front 11 Front 2 Front 2 Front 2 Front 2 Front 2 Front 3 Front 3 Front 3 Front 4 Front 4 Front 4 Front 5 Front 6
17. 46 CH 8105 Regensdorf Tel 41 0 43 388 90 30 Fax 41 0 43 388 90 40 United Kingdom Arcomedical Infusion Ltd 5j West Horndon Industrial Estate West Horndon Essex CM13 3XL UK Tel 44 1 277 81 04 32 Fax 44 1 2778119 67 Page 1 1 2 1 1 2 2 1 3 Cleaning and disinfection CAUTION The pump must be switched off and disconnected from the mains power supply before cleaning and disinfecting The pump must be kept clean and dry Remove any spillage immediately The pump must not be placed in an autoclave The unit is disinfected by wiping over with a cloth which has been damped slightly with an alcohol based disinfectant Take care when cleaning that no liquid enters the inside of the pump case Wait at least 30 seconds after disinfecting before switching the pump on Use only disinfectant that are compliant with ABS POM stainless steal PVC aluminum silicone Please check with your supplier of disinfectant Annual safety check Battery power is provided by a nickel metal hydride NiMH battery which must be checked annually Battery condition is checked by connecting the pump to the mains power supply for 15 hours in a switched off condition so that the battery may be fully charged Disconnect the mains power supply and switch the pump on using battery power Determine the operating time when the low battery alarm activates This should be at least 3 hours if not the battery must be replaced Repeated chargin
18. 7 LALALA LELELELELILILILILILIL EE RS 00 0 25W Display uSP6000 Schematic Page 1 1 V39 mvo 17 5 1998 1 01 Component layout 5 1513593 5016 2 GT 355055731 0 DU 030 DO T 31975 6267 0010863713 e 4eAg dol 309 6661 ZO 80 10042401086 000965 82d NIYU COOL D xi so BH HE 5116 8010 aug H m Uap Asn LAaTLASWUOAYDSANG YYDTU usj4anp 4845807 uaj4ar44eu 7 ashe u58y ur arg 50051303 9018 12 auos Lo 31 GT ISSYYALSAYIMANAdO fherasag dol 5 030 0009dSN AH dei OG T 131625 H2d Z 04008653 114 309 8661 10 SZ Z0072 0086 915 sin 15 ES zm zis x ol bu T uw O RS Br pan X 1891 f an f ri L d L 16 El H pn Fe P ol ll ar a g B E BEN VE J 5 2 B El v r u 10 Rede 37 B as Sa SU LE fon len Kl ES HE El H E De len 1 AEE puss ial y E 1 m a n EE Pn nn n SE Kaaft WE 4 141 Bis E WU 93 Ts Hm A E 2 5 53 Uap A n 14313 JP1UOAYIANO UAT USJJENP 49420097 2142114 70 129 87 Uday WT em 3 00511353 S018 H2 GT 3556 157 31 95 030 001 1371625 g82d Z 04008693714 309j8661 10 6 ferasAQ WO110g 000965 AH IdSIU Pressure Print Connector Print Syringe Print Hall Print
19. 74 8 16 11 e L HC00 HC04 R55 R40 Pressi 67 ADC2 5 2 A D2 Q2 17 12 QuadNand HexInverter CheckPower2 036 Cont Press2 66 ADC3 5 3 3 D1 Q1 18 13 g Syringe Dro 65 ADC4 5 4 2 po Qo 19 14 dp RO RO PExt Hall 3 ADC6 5 6 1 JOE XI NurssGall 4 4 Door 62 ADC7 5 7 4 0 Z Do Display Ac RO 4 Hall AirTest 26 3 2 41 18 gt 4l Di He R24 BattCharge 215 42 9 gt 5 D2 sl cae V8 T 4 18 12 43 10 gt D3 PowerSupply gt y R3 Vcc Vss External 17 14 4 4 11 E i 2 Kay C27 RO RO TOKevin 8 eyln C16 D ki E Ro PowerHold lt 416 10 uo 10 g R26 EEPROM vo HH lt 12 45 SDA 1 7 23 gt 15 SDA gt SDA A2 131 d 017 a SCL 1 6 22 gt 16 SCL S SCL 5 C28 ser Ar XTAL1 3 4 28 gt 17 backlight ao ADC5 5 5 64 19 illum 1 C18 xs b 56 34 XTAL2 EndPos 3 x8 J EndPos Switch date 19 02 2001 drawn Main PCB uSP6000 P1 1 07 scale mm checked copyright arcomed confidential material Nr 6001 0101 R28 1 Syringe Drop 2 i IOKeyln R48 3 Doo V7 R49 1 NurseGail 4 1 Hal
20. 9Y i i Dual P Amp Ris c26 R18 RO RO DA4 53 S D4 Q4 15 S A4 Di S Aa timekeeper x3 ji L 4 Comp GND pas 54 5 D3 eee Q3 16 Z A3 070512 1 A3 WD H 1 3 oun Ini A DA2 55 4 02 a2 17 8 a2 EPROM 8 a2 Reset RoS In 2 DA1 56 3 pi Q1 18 9 A HI A1 R11 RSTI 2 5 ous Inst 13 4 19 13 DAO 57 2 po Qo 19 10 AQ 10 ao mst d HE va In 2 112 a 20l 14 ALE 48 11 LE i s 1 OE SupplyCtr ME 19 o 19 7 Clutch 18 Qs 18 Dos V6 RST amp L 4 A LA pe Do 17 og 17 005 a 7 c22 7 cat HH 80C552 16 Q4 16 0 4 12 77 R23 p I R21 y a HControler 15 Qs 15 pos EA IR 13 Q2 131 E C13 R22 S 012 R20 Vcc Vss tal Q1 12 pa SS ET mp L2 4 25 TxD 3 1 11 qo 11 Dao 8 RxD L gt 2 RxD 3 0 IPSEN 47 gt 22 1G LEDA L LEDA L 010 10 32 31 gt 22 e TxD L6 TxD LE mil rTxDHSDL7001 ag 4 NR 36 30 m 27 my RxD 4 RxD 4 K IR Dec Enc 5 3 stac RST 154 012 D11 EXD A2 6 49 EA 171 33 27 HSDL1001 HSDL1001 C 160 H 6 EW ce C IR Transes q IR 713750 054 ze 14 OSCOUT ciksEL Z 58 AVref HH SD SD Q1 R19 PMOD E 60 AVss 11 2oL_10 We PWRDN H CK vcc Gnd C8 1 1 c 15 OSCIN NRST L HST Hd A Ao amp i Ro 7 or Za ver H dei HL lt 29 35 8 pe 063 p 8 b tal 7 141 7 SupplyCtr d 2 5V gt 59 AVref 7 D5 5 14 gt YAc GND 20 Vcc Vss Vcc Vss R54 R39 IOKey 5VCtr 1 ADCO 5 0 Sos ps 475 10 d D6 D7 CheckPowerl gt D I ADC1 5 1 5 3 HC5
21. Front 6 Front 6 Front 6 Front 6 Front 7 Front 7 Front 8 Front 8 Drive 9 Front 8 Front 9 Front 9 Front 9 Drive 12 Page 23 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 POM POM POM steel electronics cable POM steel POM steel steel POM steel Santoprene POM Santoprene steel POM steel steel steel steel PVS G steel cable Iron POM MS ferrite cable cable cable electronics electronics ABS ABS electronics electronics Santoprene steel steel steel steel steel steel POM steel steel Santoprene POM electronics ABS steel steel steel steel steel steel steel Santoprene steel steel NiMH steel steel steel 71200 71210 71220 71230 71240 71250 71260 71270 98980 99620 Cable syringe print Lithium battery time keeper Packaging 6000 complete Labels 8mm Screw M3 10 Cylinder screw M3x4 Screw M3x4 Screw M3 10 Cable holder Protection Front 10 Front 10 final final Back 5 Back 5 Back 5 Back 5 Back 4 Front 9 Page 24 8000 8000 8000 8000 8005 8005 8005 8005 8000 8000 cable Litium Paper PE PVC st
22. Maintenance Manual syramed uSP6000 syringe pump C 0123 Swiss Made ARCOMED AG 8105 Regensdorf Zurich an ISO 9001 company CAUTION This manual is exclusively intended for authorised personnel who have been instructed by ARCOMED AG in the use maintenance and repair of the infusion pump indicated above ARCOMED AG shall assume no liability for tampering by unauthorised persons Note No amendment service is provided for this manual Edition 43 03 VA TM 6000 E syramed EN 5 6000 6 6000 Front view syramed uSP6000 Rear View oO O N a A WO NM N N N 2 a 2 2 N O O N EB WO N OH Index numbers Door latch Syringe clamp Drive head Syringe ALARM SILENCE OPTION key LCD window for messages and infusion parameters START STOP key PRIME BOLUS key RATE display VOLUME display ON OFF key RATE keys VOLUME keys Alarm indicators Door Carrying handle Power and running indicators Mains power connector Mains fuse Nurse call connector IR interface Pole clamp CONTENTS 1 Introduction 1 1 Mounting the pump 1 2 1 Cleaning and disinfection 1 2 2 Ann
23. Only the ON OFF key is connected separately and controls the start up logic or releases a delayed shut down via the microcontroller The keys have the following functions Function Key Start up Switch off pump ON OFF Rate setting Rate 100 ml h up down Rate 10 ml h up down Rate 1 ml h up down Volume setting Volume 100ml up downVolume 1 ml up down Start Stop START STOP pump Page 18 8 2 4 8 2 5 Prime Bolus Prime Bolus key Alarm silence Option 2 MIN Option In an emergency the audible alarm is silenced for 2 minutes Power supply Mains power is supplied via a toroidal transformer and the rectifier V10 In the event of a mains power supply failure power is supplied without interruption by the internal battery The charge switch V14 ensures the battery is constantly charged when the unit is connected to the mains even when the unit is switched off Relay V12 switches the supply voltage on or off On the one hand this function is controlled by the ON OFF key and by a command from the microcontroller via the inverter D7 On the other hand the microcontroller can in the same way trigger the shut down of the supply voltage The circuit controller D13 produces the 5V rail voltage Monitoring Camshaft One revolution of the pump camshaft requires 320 step motor pulses For each revolution of the pump camshaft the pulse from the hall sensor initiates a comparison with the number of step motor pulses supplied Tolerance per
24. VAirTes C50 L R53 JE X6 R50 2 Syringe Drop a B ca E 719551 C52 C51 X7 as H47 T D R51 Connector 3 I External 6 A I Cont Press2 C53 C33 zi vis amp C48 A m 4 S 7 1 PExt Hall C54 C49 amp I as 5 8 1 Clutch 6 C55 9 ls Fi 10 lt CheckPower1 Lo v23 Ka 2 7 lt CheckPower2 Li Powersupply 4 A D13 x4 el vii v12 R43 L4960 L1 Jo Transformer gg Vin Z tn D converter Out Z m OO A 34 comp Sense 2 R31 R32 R44 L2 R30 oa FO Ges c37 C38 C39 40 RC GND Start vig cas Cas van LE 34 Gu 5 4 6 T C59 1 R45 C42 C43 C34 ev H t x5 96 C35 GEN Battery 2 1 R36 v22 3 V16 al T At PowerHold A 2 3 6 7 R37 R46 R29 V18 R41 i Visa Plug t IOKey SVCtr i 25V V14 CR BattCharge R35 VITA 42 V21 gu8l 46 E T 2 3 6 7 A M IOKeyin Main PCB uSP6000 2 date 2 11 2000 drawn scale mm checked copyright arcomed confidential material Nr 6001 0102 Syringe PCB Syringe Drop 1 IOKeyln 2 Door 3 1 Do Hall 4 PressExt Z Sensor Press1 S 1 2 xi a fa A
25. alian regulations If the text Clock should appear replace the Lithium backup battery on the main PCB To set the date first switch the pump off Press the VOLUME 0 1 ml DOWN and VOLUME 100 ml DOWN keys 13 together whilst switching the pump on This enables the Service Mode Select the RATE display 9 according to the following table using the RATE keys 12 Then select the corresponding data in the VOLUME display 10 using the VOLUME keys 13 Press the START key 7 each time to confirm each setting Page 7 3 11 3 12 3 13 3 14 3 15 3 16 3 17 Rate display 9 Volume display 10 Function 145 0 99 Year 144 1 12 Month 143 1 31 Date 142 1 7 Weekday Monday 1 Sunday 7 Press the ON OFF key 11 to switch the pump off Note Incorrect setting of date or time does not affect the correct functioning of the pump Different configurations If a different configuration is required please contact our Customer Service Department or the official ARCOMED distributor in your country Accessories and consumables Accessories expendable parts and single use items may only be used if they comply with the appropriate international standard and national approvals Syringes filters and extension sets must be CE marked The Instructions for Use and the mains power supply cable are included as standard equipment with the Syramed 5 6000 START STOP key 7 The START STOP key 7 is used to start
26. cation No G5 01 08 13006 010 IIb 1 xx 0 1 500 750 max 0 1 5 10 20 30 50 60 Automatic size recognition B Braun Fresenius BD Monoject Terumo Codan other brands on request 3 mins adjustable Automatic bolus reduction see also 3 9 1 5 ml max 0 3 ml h adjustable 1500 ml h 50 60 ml syringe adjustable 0 999 mbar mmHg 3 12 hours dependent on rate set 15 hours 20 hours 230 VAC 10 15 50 60 Hz 12 15V AD DC 8 5 VA T200 mA Class Il IPX 1 drip proof lt 40uA CE Class A 24V 0 2A CF cardiac floating 245x90x180 mm WxHxD ABS plastic UL listed 2 3 kg approx 3 months without charging 15 35 C 0 C 40 C 20 90 max no vapor deposit DIN IEC 601 Part 1 EN55011 Radio interference IEC601 1 2 Susceptibility IEC601 2 24 Page 3 3 3 1 Operation The figures in brackets refer to the illustrations of front and rear views shown in the appendices CAUTION Use only approved disposable syringes cf leaflet Accessories and Consumables The pump may be configured for one or several brands of disposable syringe B Braun Fresenius Becton Dickinson Monoject Terumo Permitted syringe sizes 5 10 20 30 and 50 60 ml The size is identified automatically by the pump The functional safety of the pump cannot be guaranteed if non approved syringes are used The safety of the patient may be compromised as a result Disposable syringes are for single use o
27. e and volume displays and the red syringe alarm symbol flash The LCD window indicates Empty in 3 minutes and counts down until the syringe is empty Syringe empty alarm When the total volume in the syringe has been infused the alarm activates and the pump stops The RATE display flashes and the red syringe alarm symbol illuminates continuously The LCD window indicates syringe end reload Page 10 4 6 4 7 4 8 4 9 Battery alarm The pump may be operated independently of the mains power supply using the internal battery If the mains power supply fails the pump switches automatically to battery operation to continue the infusion without interruption Battery operation is indicated by illumination of the battery symbol 17 Battery capacity permits from 3 up to 12 hours operation 1 85 Ah battery depending on the infusion rate set After approximately 3 to 12 hours operation the battery symbol in the alarm display 14 illuminates and an audible alarm activates Alarms are canceled automatically as soon as mains power is restored A low battery alert is activated approximately 30 minutes before the battery depleted alarm The battery symbol 17 flashes and an audible alarm activates To silence the audible alarm press the ALARM SILENCE key 5 The battery symbol continues to flash until the pump is reconnected to the mains A cautionary alarm is activated if the pump is disconnected from the mains power supply w
28. eel steel steel steel polyamide POM Drawings Syramed 586000 70130 ES 70900 e cp FA 70860 L9 XOT e E 71210 EG A i 70610 70750 70600 70590 70700 70410 70670 70360 70380 70430 70740 70530 70480 71110 70440 70630 70650 70580 70710 3 4 Yo 70540 70640 1 Y 2 Y GGG 70570 Schematics
29. fications in the interest of technical progress Design changes Arcomed AG endeavour to ensure that future improvements and modifications are compatible with earlier models NOTE Always state the model serial number and where applicable the colour of the unit in question when ordering spares Page 12 6 Scope and schedule of safety checks of the syramed USP6000 syringe pump Schedule every 24 months or after 10 000 hours operation this unit must be checked by technical staff who have been trained and authorised in writing to do so by Arcomed AG or Arcomedical Infusion Ltd Check list Check for Result Visual check Case door control panel Door latch Syringe clamp Mechanical parts drive system Labelling Visual displays Connector fuses Hair line cracks Contamination Contamination Function clean None missing Function Damage blown Functional checks Loading and removing syringes Syringe recognition Plunger lock Use several sizes Syringe capture Accuracy testing at 25 ml h and Rate 100 ml h Pressure transducer Measurement of rate using water Set pressure limit to 500 mbar as per specification Alarm response time Pressure reading Test nurse call system RS232 data link only on RS 232C option Function Pump STOP function Earth leakage current Earth bonding test including mains cable Test as in IEC 601 1 Within type CF limits lt 300
30. g and discharging may in certain circumstances cause degeneration of the battery memory effect Used batteries must be disposed of in an environmentally friendly manner or returned to the manufacturer Safety checks see chapter 6 may be performed only by qualified staff Key to symbols The pictograms and symbols shown on the reverse of the pump have the following meanings or functions TJ Wu Nurse call Z SS Interface RS232 Infrared CF cardiac floating part CAUTION consult accompanying documents IPX 1 Drip proof Ol class II double insulated Page 2 2 Specifications CE Marking Classification Software revision Flow rate range ml h Flow rate increments ml h Volume range ml Volume increments ml Syringe size ml Syringe brands Syringe nearly empty alarm Bolus volume after occlusion Overinfusion in case of electrical or mechanical defect Keep vein open rate KVO Bolus rate Prime rate Alarm pressure limit Battery operation time 1 85Ah Charging time Supply voltage External power supply optional Input power Mains fuse Type of protection against electric shock Protection against ingress of liquids Leakage current Radio interference Nurse call potential free contact switch Degree of protection against electric shock Dimensions Housing Weight Max storage period Permitted temperature range operation storage Permitted relative humidity Safety certifi
31. hilst in operation This alarm may be silenced using the ALARM SILENCE key 5 Nurse call The pump may be connected to the external nurse call system via the connector 20 on the rear of the unit using cable part number 94070 All alarms are transmitted to the nurse call station The normal pump alarms and displays continue to function Alarm silence Audible alarms may be silenced for approximately 2 minutes using the ALARM SILENCE key 5 The audible alarm is reactivated after this period Alarm indicators 14 The cause of the alarms are indicated using illuminated pictograms as shown Rate changed Pressure occlusion alarm Battery depleted ALARM W rrr D Cl KVO DEFECT Syringe empty KVO rate Infusion complete Defect 4 10 Power and running indicators 17 These are indicated by the following Pump running SEL Mains operation J B Battery operation gt m Page 11 4 11 4 9 1 LCD window 6 Various messages and infusion parameters are displayed in this window Technical description The syramed uSP6000 is a microprocessor controlled infusion pump with stepper motor drive and comprehensive software management function monitoring The pump is operating range enables infusion rates from 0 1 ml h to 1 500 ml h 50 60 ml syringe to be made An internal rechargeable battery allows the unit to operate independently of the mains in emergencies or when used as a
32. ion 3 1 without switching the pump off Rate volume to be infused and volume infused data are stored Recall of previous data If the pump has been accidentally switched off data such as rate volume to be infused and volume infused may be recalled during start up Press the START STOP key 7 and the ON OFF key 11 together to recall all data Page 6 3 8 3 9 3 10 Setting volume and time If a specific volume is to be infused in a given time the RATE display must be left at zero When the syringe has been primed press the START STOP key 7 to confirm Then press and hold the OPTION key 5 until the RATE and VOLUME displays flash The time in hours and minutes may be selected in the RATE display 9 and the volume selected in the VOLUME display 10 The pump automatically calculates the infusion rate Check this carefully in the LCD window 6 before starting the infusion Pressure system The Syramed SP6000 has automatic pressure monitoring whereby the pressure in the system is measured via the syringe plunger The alarm pressure limit can be set automatically or manually Automatic setting If the pump is configured for this mode the alarm pressure limit is automatically matched to the set rate the lower the rate the lower the alarm pressure limit Example Injectomat 50 ml syringe 25 ml h press limit 800 mBar Time to alarm 160 sec 10 ml syringe 5 ml h press limit 300 mBar Time to alarm 100 sec
33. nly Single use needles carry an infection hazard and must be disposed of in accordance with local guidelines Remark To avoid air infusion air filters can be used as there is no obligation to have an air in line detector on syringe pumps Important The patient must be disconnected during the loading and the removal or change of the syringe The user must check that the pump and drive is not damaged and that the syringe plunger latch is in its home position before loading the syringe In case of damage the syramed must not be used The syramed must not be placed more than 50 cm above the patient and negative pressures must be avoided In case of multiple or parallel infusions high pressures or negative pressures can influence the accuracy of the rate see also 3 18 In the case of strong negative pressure siphoning can occur and the plunger can be pulled with considerable forces It is important to know that these forces can also pull the plunger after the syringe latch is opened and the pump is not in control of the syringe Preparation and loading of syringe a If the pump is to be operated on an infusion stand care must be taken that the pump is not positioned more than 1 4m above the ground to ensure stability Ideally use an Arco Luxe or Arco Standard infusion stand If several pumps are mounted one above the other the maximum permitted height from the floor must be observed and measures taken to prevent instability b
34. o D12 The encoder D10 converts the signals to Standard IrDA 1 0 The unit can receive and transmit data from above D11 below and to the rear D12 This provides a wire less connection between units mounted on top of each other EEPROM memory Set values and important data are held in non volatile memory D3 and or recalled from there and remain available even when the pump is switched off Even when the battery is fully discharged data is not lost SRAM memory and real time clock IC D2 is an external SRAM and provides storage of a multitude of data Simultaneously time and date can be read from the real time clock The real time clock is buffered by a special battery and can workindependently for up to 10 years even when the battery is fully discharged The clock is only an indicator An incorrrect date or time will not effect the normal functioning of the pump The unit is year 2000 compliant and will operate correctly into the new millenium Display The operating status is depicted by the LED displays and illuminated pictograms Display drivers M2 M3 and M4 are controlled by the peripheral IC s D3 and M1 and multiplexed by the microcontroller Rate 4 digit red numerals Volume 4 digit red numerals Alarm pictograms red LEDs Pump infusing green LED Battery operation green LED Mains operation green LED Inputting infusion parameters All data inputs are made via keys which are periodically checked by the microcontroller
35. re management functions and monitoring Flow rate may be set over the range 0 1 ml h to 1500 ml h depending on the syringe size used The pump accomodates several major brands of syringe of sizes 5 10 20 30 and 50 60 71 The pump is powered from ac mains or from the internal rechargeable battery which switches in automatically should the mains power supply fail This battery also permits transportable operation for up to 12 hours duration depending on the operating mode and rate set The syringe is loaded automatically and this means that the drive is permanently coupled to the leadscrew The leadscrew is driven by a stepper motor via a toothed belt and gear train The syringe is held securely by a spring loaded clamp coupled to a potentiometer which determines the syringe size by measuring the external diameter of the syringe barrel The syringe plunger is automatically engaged by a mechanically operated latch driven by a small dc motor which locks onto it when the drive head contacts the plunger Loading is achieved without injecting any bolus volume All important operating parameters are clearly shown on two LED displays with an additional LCD for messages and various other data Infusion parameters are set via touch keys which comprise a mechanical switch covered by a sealed membrane The unit is manufactured using the latest surface mount technology SMT In the circuit description that follows reference is made to diagrams 1 to 3 Circ
36. revolution 20 Semi conductor relay Function check every 50 msec Keypad A key actuated for more than 20 seconds triggers a fault signal Microcontroller On start up the registers are checked for initial status and a RAM test performed Continuous ROM RAM and CPU test during delivery Program run time External watchdog monitors programme run time tolerance approx 15 Operating voltage Microprocessor monitors the following voltages mains battery changeover threshold 15V Battery charged 11V Battery discharged 9V 5V rail monitoring lt 4 5V fault signal gt 5 8V fault signal A D converter defect 2 5 fault signal Audible alarm repeat On 0 6 sec Off 3 0 sec Other functions Audible alarm in standby mode Page 19 Trouble shooting When a DEFECT signal is given a fault code is displayed automatically In the Volume ML 12 window a 2 digit figure appears and the cause of the fault indicated is listed in the table that follows When a fault occurs the code appears automatically as F xx Code Volume ML Meaning Program sequence 2 Step motor too fast 3 Step motor too slow 4 AD converter fault 5 Syringe clamp fault 6 Supply voltage 7 Key blocked 8 Watchdog Test 9 CRC Test EPROM 10 Run time 11 CRC Test EEPROM 12 Watchdog test 1 13 Initial CPU test 14 Register test 15 SRAM test 16 Bit walk Test RAM 17 CPU Test Instruction set 18 Syringe clamp battery 19 Syringe clamp mains
37. symbol is illuminated continuously with a red colour and there is a continuous audible alarm The nurse call alarm is activated at the same time The pump will not start if no rate has been set 0 ml h if the syringe clamp is open if the door is open During operation an audible alarm activates and the pump switches to the KVO rate if the START STOP key is operated attempts are made to alter the rate during operation During operation an audible alarm activates and the pump stops if the syringe is empty battery capacity is low and the charge rate can no longer ensure controlled infusion the infusion pressure exceeds the limit set the syringe clamp is opened there is an internal defect Canceling the alarm condition After rectifying the cause of the alarm or acknowledging the rate change the alarm condition is canceled and infusion resumed by pressing the START STOP key 18 Pressure limit occlusion alarm If the pressure in the system reaches the set pressure limit due either to a total or partial occlusion the alarm activates and the occlusion alarm symbol and rate display flash The LCD window displays occlusion check line The vein site should be checked to ensure there is no complication If the cause of the occlusion is removed the occlusion symbol flashes and the pump may be started again Near end of syringe alarm This alarm activates 3 minutes before the syringe is empty The rat
38. te the rate is not changed Remark The latest standard uses the new wording Keep Open Rate KOR The meaning is identical to the KVO rate Using the pump in parallel or multiple infusions If additional infusion systems are connected to the patient s vascular system this may lead to complications e g infusion of air reverse flow interruptions due to alarms and inaccurate flow To prevent such incidents please observe the recommendations as stipulated in DIN VDE 0758 Part 5 or contact your distributor Options for external connection to the pump External equipment may only be connected to the Nurse call connector 20 if the system which results from this meets the requirements of draft norm EN601 1 1 and if their safety has been certified by an approved international body Use cable number 94070 to connect the Nurse call system Please contact the Customer Service Department of ARCOMED AG for details of the RS232 interface IR interface and how to link it to external systems If an external 12 15V ac dc power supply is used and is linked to other equipment ensure that the safety of the system complies with IEC601 1 Page 9 4 2 4 3 4 4 4 5 Alarm system Alarm causes The electronic self monitoring system continuously monitors the correct functioning of the pump and its displays whilst in operation If a fault should occur the infusion is stopped immediately and the alarm activates The corresponding alarm
39. the parking position CAUTION During the loading process the user must check that infusion lines electrode leads or any other obstructions do not get caught up in the drive system and that the syringe plunger latch is in its correct home position to allow a correct syringe loading Check that the plunger is correctly secured after loading h The LCD window 6 indicates the brand and size of syringe Press the START STOP key 7 to confirm this If the pump is configured for several syringe brands the OPTION key 5 must be pressed sequentially to select the brand When the correct brand is displayed press the START STOP key 7 to confirm i The LCD window now indicates purge Press and hold the PRIME BOLUS key 8 to prime the extension set For safety reasons connect the patient only after correct loading and purging of the syringe Setting rate ml h and volume ml Use the UP DOWN keys 12 to select the required rate in ml h indicated in the RATE display 9 Arrow up keys provide rate increase arrow down keys provide rate decrease Check that each key stroke changes one digit The least significant digit small size indicates 0 1 units If the full volume of the syringe is to be infused make the patient connection and press the START key 7 to commence the infusion If a specific volume is to be infused the required volume in mls may be selected in the VOLUME window 10 using the UP DOWN keys 13 before starting the
40. ual safety check 1 3 Key to symbols 2 Specifications 3 Operation 3 18 Using the pump in parallel or multiple infusions 4 Alarm system 5 1 Warranty 5 2 Design changes 6 Saftey checks 7 Performance data 8 Technical description 9 Trouble shooting 10 Replacement of parts 11 List of spare parts Annex A Drawings Annex B Schematics Annex C Component layouts Page 1 1 Introduction Introduction The Syramed uSP6000 is a syringe pump using the latest technology This microprocessor controlled syringe pump operates by pumping the infusate in the syringe using a controlled single action pumping stroke The sterility of the infusate is not affected The pump is designed to infuse drugs or other infusates into the patient by controlled means under pressure The Syramed uSP6000 meets the performance requirements of the MDA UK for neonatal and high risk infusions It can be used in both stationary and transportable applications as it has a long battery life up to 12 hours duration Applications include neonatology intensive and cardiac care paediatrics gynaecology and osbstetrics surgery and general medicine It can also be used in ambulances and air rescue It is not recommended for blood infusion unless the dose requirement is small due to the limitations in syringe size accoodated 50 60 11 maximum The Syramed uSP6000 meets the Medical Device Directive MDD requirements of the EC Guideline 93 42 EEC and is marked CE
41. uit description Microcontroller Microcontroller DO monitors the following signals Motor controller The step motor drive D8 is controlled directly by the microcontroller and operates in chopper mode The step motor operates in micro steps to provide continuous and smooth delivery even at low flow rates Leadscrew revolution pulses A Hall sensor adjacent to the leadscrew produces a pulse for each revolution of the shaft In the microcontroller this is monitored by software on a frequency time basis Watchdog The external Watchdog in IC D2 monitors program run time If the limits are not within the specified time the semi conductor relay VO interrupts power to the step motor A fault is signaled to the microcontroller via the inverter D7 Page 16 The relay D10 is periodically switched off for a short period to test the watchdog and the correct functioning of the microcontroller is monitored There is a second watchdog in the microcontroller Operating voltages The supply voltage the 5V logic supply rail and reference voltage are measured and monitored via disc resistors by the analog digital converter in the microcontroller Mains battery operation The level of the operating voltage determines whether mains or battery operation is used Battery voltage The battery alarm activates if the minimum operating voltage falls below the set limits during battery operation The unit will be shut down in the case of exhaustive
42. us Press the OPTION key 5 and the BOLUS key 8 together The bolus rate is displayed in the RATE window 9 and the bolus volume infused is displayed in the VOLUME window 10 The LCD window 6 indicates Bolus manual Keep the keys depressed until the required bolus volume has been infused As soon as the keys are released the pump reverts to the normal infusion mode To infuse an automatic bolus Press the Bolus key 8 for 2 seconds until the display in the VOLUME window 10 flashes The desired bolus volume in mls can then be preset in the VOLUME display using the VOLUME keys 13 Press the BOLUS key 8 to deliver the bolus automatically If no bolus is required press the OPTION key 5 to cancel During automatic bolus delivery the RATE display 9 indicates the bolus rate and the VOLUME display 10 indicates the bolus volume infused The LCD window 6 indicates Bolus automatic To stop the pump at any time press the STOP key 7 After the selected bolus volume has been delivered the pump switches automatically to normal delivery mode Following bolus infusion the bolus volume is added to the total ml infused Removing or changing a syringe Press the START STOP key 7 to stop the pump Open the door 15 and open the syringe clamp 2 The syringe plunger unlocks automatically and the drive head 3 extends fully to the right If a new syringe is to be fitted to continue the infusion it can be loaded as in sect
43. voltage discharge Logic rail voltage The rail voltage is limited to a maximum of 5 5V by diode V20 and transistor V5 triggers the microcontroller and external Watchdog if 5 8V is exceeded If the level reached is less than 4 5V the integrated circuit D2 initialises the system Microcontroller D1 controls the following signals Step motor pulses The step motor pulses are fed by the microcontroller from the quartz oscillator at a frequency corresponding to the rate set Automatic locking The syringe plunger automatic locking motor X3 is controlled directly by the microcontroller Watchdog Watchdog D2 is triggered periodically after each program run Buzzer audible alarm Dependent on the operating status the microcontroller activates the audible alarm trigger K1 via driver V9 Alarm relay Dependent on the operating status the microcontroller activates the alarm relay KO Nurse call via driver V8 On Off function After start up the microcontroller triggers a hold of the semi conductor relay V12 via the Power Hold line The supply voltage remains switched on When operating the ON OFF key or if the battery is discharged the microcontroller turns the supply voltage off via the semiconductor relay V12 Page 17 8 2 2 8 2 3 A D converter The microcontroller controls the internal A D converter and measures the results Infra red interface The microcontroller sends and receives data via IC s D10 t
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