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B30 Patient Monitor

5-10

Document no

. 

2044677-001

Smart Batt2

If Smart Battx is selected for a battery 
NOT connected to the SMBus, the menu 
contains the following: 

Battx information from Memory and PMC 
(This information comes from the DC/DC 
Board memory or is measured by the 
DC/DC Board. SMBus data in this menu is 
not real time, because this battery is not 
connected to the SMBus). 
NOTE: This page may not contain 
information if SMBus has been connected 
only to the other battery. Page can be 
updated by battery disconnection and 
reconnection, if desired. 

Rel. State Charge: 

Relative state of charge 

of the battery. Expressed as a percentage 
of Rem. Cap. (mAh) / Full Cap.(mAh).

Remaining Capacity: 

Remaining battery 

capacity (mAh). 

Full Charge Capacity: 

Capacity of the 

battery when it is fully charged.

Design Capacity: 

Theoretical capacity of a 

new battery.

Design Voltage

: Theoretical value for nominal voltage of a new battery. 

Manufacturer Date (DD:MM:YY): 

The date the battery pack was manufactured

Manufacturer Name

: Acronym of the battery pack manufacturer name.

Device Name: 

Battery pack model name.

Device Chemistry: 

Battery chemistry of the cells used. 

Batt1 Voltage: 

Battery A voltage measured at the DC/DC Board.

Batt2 Voltage: 

Battery B voltage measured at the DC/DC Board.

Batt Current: 

Battery current (discharge or charge) for the battery connected to SMBus. 

Measured at the DC/DC Board.

Batt Not CHG Temperature: 

This is subject to change.

Содержание b30

Страница 1: ...GE Healthcare B30 Patient Monitor Technical Reference Manual B30 Patient Monitor English 2044677 001 D Paper 2044678 001 D CD 2010 General Electric Company All Rights Reserved...

Страница 2: ......

Страница 3: ...7 001 Revision D 24 May 2010 GE Medical Systems Information Technologies Inc 8200 West Tower Avenue Milwaukee WI USA Zip 53223 Tel 1 414 355 5000 outside US 800 558 5102 US only Fax 1 414 355 3790 www...

Страница 4: ...ck TYPE BF or CF equipment The degree of protection against electric shock is indicated by a symbol on each parameter module EQUIPMENT not suitable for use in the presence of a FLAMMABLE ANESTHETIC MI...

Страница 5: ...3 1 2 Display 16 3 1 3 CPU board 18 3 1 4 DC DC board 19 3 1 5 AC DC unit 21 3 1 6 Interconnection board 21 3 1 7 Display connection cable 22 3 1 8 Front cover parts 23 3 1 9 Batteries 23 3 2 Interfa...

Страница 6: ...s 4 2 3 Test Equipment 4 2 4 Power Outlet Test 4 2 5 Power cord and plug 4 2 6 Ground Earth Integrity 5 2 6 1 Ground Continuity Test 5 2 6 2 Impedance of Protective Earth Connection 5 2 6 3 Acceptance...

Страница 7: ...peaker 26 4 2 6 Monitor software 26 4 2 7 Content of the service log 27 4 2 8 Voltages 27 4 2 9 Watchdog circuitry 27 4 2 10 Alarm LEDs 28 4 2 11 Membrane keys 28 4 2 12 ComWheel 28 4 2 13 Module comm...

Страница 8: ...2 1 Network 4 2 2 2 Dri Config 4 2 2 3 Dri Comm 5 2 3 Power supply 7 2 3 1 WPM Battery 8 3 Keyboard 11 3 1 Keyboard Log 11 4 Parameters 12 4 1 Gas Unit 12 4 1 1 General 13 4 1 2 Gases 14 4 2 ECG Modul...

Страница 9: ...22 3 4 1 Primary fuses 22 3 4 2 Fuse for external DC 22 3 5 To download the software on CPU board 22 4 E PSM P W module disassembly 24 4 1 Before disassembly 24 4 2 Tools needed 24 4 3 To disassemble...

Страница 10: ...ures 11 4 1 General service information 11 4 1 1 MiniC measuring unit 11 4 1 2 Recorder unit 11 4 2 Service check 11 4 2 1 Recommended tools 12 4 2 2 Recommended parts 12 4 2 3 Inspection 12 5 N FCREC...

Страница 11: ...or messages 32 Appendix A Software download instruction A 1 Appendix B ElectroMagnetic Compatibility B 1 Appendix C Functional check form B30 C 1 Appendix D Planned maintenance check form B30 D 1 Appe...

Страница 12: ...B30 Patient Monitor 8 Document no 2044677 001...

Страница 13: ...1 Introduction...

Страница 14: ......

Страница 15: ...esitate to contact your authorized distributor The manufacturer reserves the right to change product specifications without prior notice Although the information in this manual is believed to be accur...

Страница 16: ...s on PDF versions are written in blue color WARNING Warnings are written in the following way WARNING This is a WARNING CAUTION Cautions are written in the following way CAUTION This is a CAUTION NOTE...

Страница 17: ...nitoring in intensive care units It can also be used during transportation within the hospital The modular design makes the system flexible and easy to upgrade NOTE Your system may not include all the...

Страница 18: ...sport package are fragile and must be handled with care Indicates the correct upright position of the transport package The transport package must be kept in a dry environment Indicates the temperatur...

Страница 19: ...and invasive pressure P measurement On the rear or bottom panel this symbol indicates the following warnings and cautions Electric shock hazard Do not open the cover or the back Refer servicing to qua...

Страница 20: ...unless ESD precautionary procedures are used For details see section 1 2 2 ESD precautionary procedures Symbol for non ionizing electromagnetic radiation Interference may occur in the vicinity of equ...

Страница 21: ...the last use day Date of manufacturer Does not contain Latex Do not immerse the sensor in liquids IPX class IPX0 IPX1 IPX2 IPX3 IPX4 IPX7 IPX8 Degree of protection against harmful ingress of water as...

Страница 22: ...ertain Hazardous Substances in Electronic Information Products The number in the symbol is the Environment friendly Use Period EFUP which indicates the period during which the toxic or hazardous subst...

Страница 23: ...drop them Always support with one hand while pulling out with the other If the integrity of the external protective earth conductor arrangement is in doubt use the monitor with battery operation To a...

Страница 24: ...the specified values may cause inaccurate results Cleaning and service Only trained personnel with proper tools and test equipment should perform the tests and repairs described in this manual Unauth...

Страница 25: ...modules Cleaning and service Do not use hypoclorite ammonia phenol or acetone based cleaners These cleaners may damage the monitor surface Do not immerse any part of the device in any liquid or allow...

Страница 26: ...c frame of the component or a large metal object located close to the equipment When working with the equipment and specifically when the ESD sensitive parts of the equipment may be touched a grounded...

Страница 27: ...s based on the SC520 local bus and PCI bus Data is transferred on this 32 bit wide bus using the CPU clock frequency The module bus is for the parameter modules The bus is based on the industry standa...

Страница 28: ...odules respond to each data request immediately by sending a data package whose length depends on the type of the module This communication protocol ensures that each module receives and sends data ev...

Страница 29: ...er module depends on the specific needs for each individual parameter However some common parts are used in the parameter modules The electronics inside the module is usually divided into isolated flo...

Страница 30: ...tion of the CPU board ComWheel is used for menu selection 3 1 2 Display The 10 4 LCD display with SVGA 800 x 600 resolution has bright long live lamps and a wide viewing angle NOTE The LCD display bac...

Страница 31: ...YELLOW GREEN RED YELLOW POW LEDS ALARM LEDS XY POW LEDS XY CW POW LEDS CW XY ALARM LEDS VMOD MODBUS DATA DEFIB IABP SYNIC CONNECTOR ANALOG OUT VSYS_OUT BACKLIGHT CTRL SPEAKER ETHERNET DATA SMBUS BAT1...

Страница 32: ...bytes program flash memory 32 Kbytes static RAM with real time clock 4 channel UART 2 serial channels with signals in AC logic level 2 serial channel signals in RS232 level Programmable alarm sound ge...

Страница 33: ...power supplies sequencing It communicates with the main CPU via serial communication PMC also measures DC DC board voltages and currents High efficiency switching power supplies and power path switch...

Страница 34: ...ng current and charging voltage values sent to it by a Smart Battery The charger includes an input current limiting feature In a case where the input current exceeds the limit the charger reduces the...

Страница 35: ...or AC DC output is chosen initially by a power path controller inside this block The PMC CPU has full control over the power path management after the initial choice is made at startup 3 1 5 AC DC uni...

Страница 36: ...cabling Interconnection board CPU board connector Fuse for External DC input DC DC board connector Multi I O connector X2 Battery 1 connector Battery 2 connector User interface board User interface bo...

Страница 37: ...en battery LED is on When the monitor is mains external DC powered the green mains external DC LED is on 3 2 Interfacing computer A computer is connected to the serial port connector on the Multi I O...

Страница 38: ...Connectors and signals 3 3 1 External connectors Figure 13 External connectors of Frame for B30 1 Fuses 2 Potential equalization connector X1 NET connector X2 Multi IO connector X3 Receptacle for pow...

Страница 39: ...2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 GND NET_ID_DO TTL out NET_ID_DI TTL input NET_ID_CLK TTL out NET_ID_CS TTL out TXD RS 232 output RXD RS 232 input NURSE_CALL CMOS outpu...

Страница 40: ...LENCE ALARM key is pressed The high state range is from 3 5 to 5 V while the low state range is from 0 to 0 5 V Serial port X9 9 pin female connector Pin Signal 1 2 3 4 5 6 7 8 9 NET_ID_CS TTL out NET...

Страница 41: ...G Analog Out Right arm III Left arm II Left leg I Chest I On LEADS OFF situation ECG analog output is flat line 0V PRESSURE_OUT The pressure labeled ART is sent to the analog out If no pressure is lab...

Страница 42: ...state 1 and remains at that state until the alarm situation is over or SILENCE ALARM key is pressed The range of state 0 is from 0 to 0 5 V and the range of state 1 is 3 5 to 5 V Analog outputs The B3...

Страница 43: ...impedance respiration oscillometric NIBP sys dia mean temperature SpO2 including monitoring during conditions of clinical patient motion and invasive blood pressure Impedance respiration measurement...

Страница 44: ...e are two input boards the STP input board and the ECG input board attached to the front panel of the module The front panel has five connectors and four keys There is one connector for two temperatur...

Страница 45: ...asurement are stored into the external RAM The EEPROM size is 512 x 8 and it is used to store the calibration values for the pressure transducers the pulse valve constants gained during measurements t...

Страница 46: ...cal specification section of this manual Pneumatics The module has the following pneumatics parts 1 Intake air filter for preventing dust and other parts from entering the air pump and the valves 2 Ai...

Страница 47: ...er voltages needed for the operation of the NIBP measurement are made on the NIBP board The NIBP power supply synchronizes the ECG and STP isolation power and supplies non isolated 5 V to the ECG and...

Страница 48: ...rs The buffer amplifiers are used for each lead The Leads off detection is implemented by measuring the output level of the input buffer amplifiers with the A D converter of the CPU The ECG signals ar...

Страница 49: ...p microcomputer It contains 128 kbytes of flash memory and 4 kbytes of RAM The clock frequency is 16 MHz RS485 communication The communication to the CPU board of the monitor uses RS485 protocol The R...

Страница 50: ...ing for the clock is from the oscillator STP_brd_blck_dgrm vsd PATIENT AND SpO2 PROBE SpO2 TRUNK CABLE SpO2 CONNECTOR A D CONVERSION STP CPU STP BLOCK DIAGRAM PATIENT AND TEMPERATURE SENSOR TEMPERATUR...

Страница 51: ...unit An isolated 5 V voltage is supplied to the pressure transducer The differential voltage which depends on the pressure and the supplied voltage is calculated from the bridge connection see the fo...

Страница 52: ...rrent indication of the SpO2 probe over the shunt resistors placed in the LED current paths The LED driving voltages LED voltage indication are measured from the driver circuitry The LED driving circu...

Страница 53: ...tween the module and the frame The data transmission rate is 500kbps LED Intensity adjustment 1 LED Intensity adjustment 2 LED ON OFF control 1 LED ON OFF control 2 LED Driving circuit 1 LED Driving c...

Страница 54: ...NIBP board supplies non isolated 5 V to the ECG and STP boards The module uses only Vmod 13 8 16 V voltage of the frame The other voltages of the measuring boards are made by the switching power suppl...

Страница 55: ...nnector 5 pin connector Pin No Signal 1 2 3 4 5 GND Vmod 13 8 16 V Data Data Shield ECG Connector Pin No Signal Name 1 2 3 4 5 6 7 8 9 10 11 R RA Right arm electrode C2 V2 Chest electrode C3 V3 Chest...

Страница 56: ...nnection 10 RED_C RED LED cathode 11 DATA Invasive blood pressure connectors Dual BP Pin No Signal Description 1 BP_ VREF BP transducer excitation voltage channel 1 2 BP SIG BP transducer signal posit...

Страница 57: ...Based on these oscillations values for systolic mean and diastolic pressures are calculated The following parts are necessary for the NIBP measurement E PSM P W module twin hose adult or infant model...

Страница 58: ...aturation A general limitation of pulse oximetry is that due to the use of only two wavelengths only two hemoglobin species can be discriminated by the measurement The modern pulse oximeters are empir...

Страница 59: ...orption of infrared light in the finger Figure 26 Pulse oximetry probe parts layout and schematic diagram absorption_of_light vsd No pulsation Pulsatile blood Time Venous blood Tissue Arterial blood I...

Страница 60: ...ing the temperature signal from the patient The signal is amplified by analog amplifiers and further processed by digital electronics 4 6 5 Invasive blood pressure To measure invasive blood pressure a...

Страница 61: ...2 Installation...

Страница 62: ...not be used adjacent to or stacked with other equipment If adjacent or stacked use is necessary the monitor and its components should be observed to verify normal operation in the configuration in whi...

Страница 63: ...from the B30 monitor and docked to the Pole Mount for PSMW short or long Figure 3 E PSM P W mounting accessories 1 M1051025 Module Bus Adapter for 2 M1049197 Pole Mount for short 3 M1051023 Pole Mount...

Страница 64: ...Pole Mount for PSMW with the fastening screw of the clamp and tighten properly to a horizontal tube or rail with a diameter of 10 mm 25 mm Pole Mount for PSMW Instructions for connecting to monitor 1...

Страница 65: ...larm light 4 Alarm LED indicators 5 Side panel keys 6 The ComWheel 7 Command Board keys 8 Guide rail for GCX mounting 9 Mains power and battery LEDs 10 ON standby key 11 Connector for defibrillator sy...

Страница 66: ...ector 3 Guide rail for GCX mounting 4 Receptacle for power cord 5 Fuse holder 6 Serial port X9 7 Network ID X8 8 Connector for future use X7 9 Optional Multi I O adapter incorporating connectors 6 8 m...

Страница 67: ...unded hospital grade receptacle 1 5 1 Connection to Network Use the CAT 5 cable to connect the monitor to the network 1 Make sure that the power is switched off 2 Connect the Identification Plug to co...

Страница 68: ...ter 3 for procedure 1 7 Visual indicators Function Specification Explanation External power supply Green LED Indicates when monitor is powered from mains or ext DC Battery operation Green LED Indicate...

Страница 69: ...3 Maintenance...

Страница 70: ......

Страница 71: ...lated to the monitor are written in the following typeface e g Parameters Gas Unit As you enter the service menus you need following passwords Monitor Setup Install Service password 16 4 34 Service pa...

Страница 72: ...Infant cuff hose with cuff ID 2017009 001 E PSMPW InvBP transducer 70077 001 Multi Link ECG accessories IEC E PSM P W Multi link 3 lead integrated cable and leadwire 2021141 002 Multi link 5 leadwire...

Страница 73: ...CG acc T 2016998 001 2016998 001and M1010832 2016998 001 and M1010846 InvBP Cable included M1010858 and 2005772 001 M1010862 and 2005772 001 Patient simulator Hemodynamic patient simulator Dual temper...

Страница 74: ...afety analyzer per IEC 60601 1 UL 60601 1 EN 60601 1 or CSA C22 2 No 601 1 The schematics in the section provide a general understanding of the test equipment Actual configuration of test equipment ma...

Страница 75: ...ests determine whether the device s exposed metal and power inlet s earth ground connection has a power ground fault condition Perform the in accordance with your local regulations 2 6 1 Ground Contin...

Страница 76: ...and the protective earth PE terminal or any accessible metal part which is protectively earthed shall not exceed 0 1 ohms For equipment with a power supply cord the impedance between the protective e...

Страница 77: ...ia NC Normal condition USA only 300 A and the device under test is powered from 100 120 V 50 60 Hz USA only 300 A and the device under test is powered from a center tapped 200 240 V 50 60 Hz single ph...

Страница 78: ...evice under test 3 Read and record the current leakage indicated on tester NOTE Center tapped and non center tapped supply circuits produce different leakage currents and the UL and IEC limits are dif...

Страница 79: ...the device under test fails Contact GE Technical Support 2 8 1 Acceptance criteria NC 100 microamperes 0 1 volts on the tester and the device under test is powered from 100 240 V 50 60 Hz 2 8 2 Accept...

Страница 80: ...RESP Test Body to the green connector of the device under test 2 Configure leakage tester as follows Polarity NORMAL Neutral OPEN GND Earth CLOSED 3 Power on Device under test 4 Read and record the cu...

Страница 81: ...Read and record the current leakage indicated on the tester 15 Set the power switch of the device to OFF 16 Repeat the steps in this procedure using the appropriate SPO2 Test Body Connect the SPO2 Tes...

Страница 82: ...its frequency characteristics per IEC 60601 1 NOTE Per IEC 60601 1 the impedance to protect the circuitry and the person performing the test but low enough to accept currents higher than the allowable...

Страница 83: ...procedure using the appropriate SPO2 Test Body Connect the SPO2 Test Body to the blue SPO2 connector of the device under test 2 10 1 Acceptance criteria If measured reading is greater than the approp...

Страница 84: ...cially check the following parts sampling line is connected to the extension module Check that modules go in smoothly and lock up properly 3 2 Functional inspection 3 2 1 General 1 Connect the mains p...

Страница 85: ...and date if necessary 3 2 5 Extension Module with CO2 measurement Wait until the message Calibrating gas sensor disappears from the screen 1 Block the tip of the sampling line with your finger and che...

Страница 86: ...Attach the SpO2 probe to your finger Check that a reading of 95 99 and a pleth waveform appear on the screen Non invasive blood pressure measurement 8 Check the function of the module and side panel m...

Страница 87: ...the network i e the network symbol appears on the upper right hand corner of the screen Also a message regarding the connected Central should appear in the message field on the screen 3 2 9 Final Swit...

Страница 88: ...and lock up properly 3 Replace the batteries if necessary The manufacturer recommendations are Replace the SRAM Timekeeper battery on the CPU board every 8 years NOTE The Factory Reset must be perfor...

Страница 89: ...EDs turn on shortly normal start up sound is heard from the loudspeaker and the monitoring screen appears No error messages should appear on the screen 3 Configure the screen for the parameters that a...

Страница 90: ...k the content of the Service Log for possible problems 4 2 4 E PSM P W Module ECG measurement 1 Module software serial numbers Enter the service menu Monitor Setup Install Service password 16 4 34 Ser...

Страница 91: ...ain priority Even though one of the leads is disconnected the related leads off message may not appear on the screen NOTE When RL electrode is disconnected the V electrode shows OFF the measurement wi...

Страница 92: ...ation and expiration Temperature measurement 9 Communication and memories Enter the PSM STP service menu Parameters STP Check that the Time outs Bad checksums and Bad c s by mod values do not increase...

Страница 93: ...5 Cable and transducer detection Check that the Cable and Probe for P1 show OFF Connect the InvBP adapter cable to the module connect a cable with an invasive blood pressure transducer to the adapter...

Страница 94: ...s NIBP Check that the Time outs Bad checksums and Bad c s by mod values are not increasing faster than by 5 per second Check also that the NIBP board memories have passed the internal memory test i e...

Страница 95: ...isplayed pressure value in order to determine the real pressure 24 Safety valve functions Select Safety Valve from the NIBP service menu Disconnect the pressure manometer from the NIBP module cuff con...

Страница 96: ...the pressure inside the cuff for about half a minute in order to find out that the cuff is not leaking then press the ComWheel again Select Normal Screen Disconnect the cuff hose 27 NIBP hose detecti...

Страница 97: ...through the service menu Monitor Setup Install Service Password 16 4 34 Service Password 26 23 8 Frame Power Supply Check that all the displayed values are within reasonable limits 4 2 9 Watchdog cir...

Страница 98: ...t in the menu should change from yellow to red Check also the functioning of the side panel keys 4 2 12 ComWheel Turn the ComWheel clockwise and counterclockwise and check that each step generates a s...

Страница 99: ...ttery LED is off 3 Battery charging Reconnect the power cord Check that the monitoring continues without problems Check also the Command board LEDs the green mains power LED is on the green battery LE...

Страница 100: ...n the message appears the service menu values are no longer updated Reconnect the CAT 5 cable and check that the monitor connects to the Datex Ohmeda Network again 6 ID plug recognition Switch the mon...

Страница 101: ...hold on the Power hardkey 15 seconds Turn off the monitor waiting for 15 minutes 3 Watchdog Enter the Set Test service menu and perform Watchdog Check that the monitor restarts 4 Service Log reset Ent...

Страница 102: ...mary pressure channel can also be checked from the NIBP setup menu NIBP NIBP Setup Calibration Check In this case the auto zeroing is performed at start remove the hose before entering to ensure atmos...

Страница 103: ...nect an external mercury manometer with a pump to the module through the both tubes of the hose both transducers B1 and B2 must be calibrated simultaneously Pump up to a pressure of about 200 mmHg acc...

Страница 104: ...e Protection ON in protect mode 5 3 Invasive pressure calibration NOTE Before starting invasive pressure calibration disconnect all patient cables and discharge the patient NOTE For the Invasive press...

Страница 105: ...4 Troubleshooting...

Страница 106: ......

Страница 107: ...plug and re plug the Power Cord Also confirm that the cable is intact Confirm that the fuses are intact E PSM P W module does not function Remove and replace the module Confirm that the desired parame...

Страница 108: ...atient Monitor 4 2 Document no 2044677 001 1 1 General troubleshooting Possible key board or CPU failure See Frame troubleshooting in this chapter Display failure See Frame troubleshooting in this cha...

Страница 109: ...Introduction 4 3 Document no 2044677 001 1 2 Software troubleshooting chart Downloading the software from software CD onto the CPU board Check the software CD can run in the PC normally and try again...

Страница 110: ...leds not illuminating in start up 1 Loose connectors 2 Ribbon cable faulty 3 CPU not working 1 Check all connectors from CPU to led board 2 Replace ribbon cable 3 Replace CPU Display and monitor oper...

Страница 111: ...2 Replace the battery 3 Use always two batteries Keyboard not working but module communication is OK Keyboard cables and connectors or interconnection board connectors may be faulty Check the intercon...

Страница 112: ...Unit Net section of the CPU board The NET section is defective Replace the CPU board NET section memory on the CPU board The SRAM of the NET section is defective or uninitialized The NET cannot be us...

Страница 113: ...ws no waveforms No waveforms are set up for Monitor to Monitor communication Run Network Setup to verify current Monitor to Monitor communication setup Network printing fails Print server is busy Prin...

Страница 114: ...ubes and connectors Find leak and fix it Leak test in Service Menu OK Pump check in Service Menu OK Key check in Service Menu OK Check keyboard connector If OK change front panel OK NO YES YES NO NO N...

Страница 115: ...asurem e nt failed Re place STP bo ard Re place STP bo ard YES NO YES H as T em p m easu rem e nt faile d R e pla ce EC G boa rd YES N O Has ECG m easurem e nt failed R e pla ce S TP bo ard YES H as...

Страница 116: ...e patient Check patient condition and retry Check any leaks and retry Use proper size of cuff Check attachment Call service Error X message NIBP hardware error X error number See the description of th...

Страница 117: ...eaking Reasons 1 Replace cuff cuff damaged Replace cuff cuff connector damaged Replace cuff connector if the fault is in hose connector O ring damaged or missing Replace O ring hose double connector d...

Страница 118: ...transducer Replace the NIBP board fault in A D converter Replace the NIBP board faulty calibration Check calibration Calibration switch on message EEPROM protection has been handled by pressing module...

Страница 119: ...persists recalibrate If the problem still persists change the NIPB board 7 Calibration failure Reset the module and recalibrate If this does not help change the NIBP board 8 Exhaust Valve occlusion C...

Страница 120: ...nt manufacturers are used Too much little gel is used Poor electrode condition Electrodes are dried out Improper site of electrodes Check that electrodes are not placed over bones active muscles or la...

Страница 121: ...Too much little gel is used Poor electrode condition Electrodes are dried out Improper site of electrodes Check that electrodes are not placed over bones active muscles or layers of fat Improper skin...

Страница 122: ...thin or thick Try other fingers or other sensor types Weak signal artifacts Poor perfusion Try another place Movement artifacts Shivering Message NO PULSE Pulse search 20 sec and low SpO2 or low pulse...

Страница 123: ...No waveform selected on screen Check the selected pressure waveforms by pressing Monitor Setup key and selecting Screen Setup Waveform Fields Check that the pressure transducer is open to the patient...

Страница 124: ...the measurement range Check the transducer level Zero the channel Out of range 320 mmHg Measurement pressure is beyond the measurement range Check the transducer level Zero the channel The patient may...

Страница 125: ...5 Service Menu...

Страница 126: ......

Страница 127: ...case a fault occurs 1 1 Service Menu structure Service Menu Frame Keyboard Parameters Memory Keyboard Log Network Power Supply Network Dri Config Dri Comm WPM Battery Gases General NIBP STP ECG Gas U...

Страница 128: ...reference only Details on the menu page can vary depending on the software version and the module type in use If a particular selection is not available in your system the selection is shown grayed 1...

Страница 129: ...ponent of the CPU board If the result of the test is Fail see section Error messages in chapter CPU Test SRAM tests the Static RAM memory of the CPU board in a similar way as the EEPROM Flash memory I...

Страница 130: ...transfer mode DRI ETH or DRI UDP Default SLP IP For R D purpose only DRI ETH is not in use Forced Central IP For setting IP address which according to the iCentral s configuration DRI ETH is not in us...

Страница 131: ...d The service data related to the ethernet status view is described in the following table 2 2 3 Dri Comm Session layer Dest name shows the name of the Central the monitor is connected to Dest id show...

Страница 132: ...bytes since last cold start CRC errors CRC Number of received packets with incorrect checksum Frame errors Frame Number of received packets with incorrect frame structure Refers to physical layer prob...

Страница 133: ...VBOOST Boost converter s output voltage at DC DC Board Boost converter s input is VSYS which is raised to a higher level for module bus voltage and battery charging if needed Range 14 16V VMOD Supply...

Страница 134: ...s fully charged Rem Cap mAh Remaining battery capacity Rel St of CHG Relative state of charge of the battery Expressed as a percentage of Rem Cap mAh Full Cap mAh Current SMBus mA Battery current disc...

Страница 135: ...Ah Abs State of Charge Absolute state of charge Expressed as a percentage of Rem Cap mAh Design Capacity mAh Remaining Capacity Remaining battery capacity mAh Full Charge Capacity Capacity of the batt...

Страница 136: ...Expressed as a percentage of Rem Cap mAh Full Cap mAh Remaining Capacity Remaining battery capacity mAh Full Charge Capacity Capacity of the battery when it is fully charged Design Capacity Theoretica...

Страница 137: ...ponding number on the service data field increases Service Data Message Count counts the number of messages that are sent out to the main CPU board Leds upper and lower indicate the states of the alar...

Страница 138: ...B30 Patient Monitor 5 12 Document no 2044677 001 4 Parameters NOTE Parameter values in Service Data fields are only for reference in this section 4 1 Gas Unit...

Страница 139: ...a cumulative number that indicates how many communication errors the module has detected The monitor starts counting these items at power up and resets to zero at power off The values may also be rese...

Страница 140: ...MAC Not in use Sample Flow is calculated from differential pressure and adjusted by the module Zero value as measured during initialization when the pump is off Gain sample flow measurement can be cal...

Страница 141: ...ve arrhythmia alarm VFIB VTAC ASY On Off shows 1 if arrhythmia analysis is active and 0 if it is not active HR HR25 and HR75 for R D purpose only QRS count shows the running number of detected QRS com...

Страница 142: ...he monitor can measure ECG even if one or more leadwires are off 1 measurement is not possible 0 measurement can be done MissedPkgs indicates the number of packages missed Filter filters the ECG signa...

Страница 143: ...time values and shown in mmHg Temperature values are shown in degrees Celsius The front panel STP keys functions are confirmed by pressing each key and observing that OFF turns to ON at Button SpO2 s...

Страница 144: ...he monitor has broken down Bad c s by mod is a cumulative number that indicates how many communication errors the module has detected The monitor starts counting these items at power up and resets to...

Страница 145: ...r to the P1 P2 connector Select Calibrate P1 Calibrate P2 Leave the transducer to room air pressure 2 Press the ComWheel to start zeroing 3 Supply a pressure of 100 mmHg to 300 mmHg to the transducer...

Страница 146: ...n protection and it should be OFF to enable calibration 15 V power refers to legacy NIBP modules Not used in E PSM P W AD0 to AD7 show the values of each eight channels of the A D converter AD7 is not...

Страница 147: ...librate and push the ComWheel Active Leak Test Wrap an adult cuff around a pipe and connect the cuff to the module Select the active leak test ON The module automatically pumps a pressure of 280 mmHg...

Страница 148: ...the calibration NOTE Messages Calibrating and Calibrated are shown in the NIBP message field and next to the Calibrate selection NOTE When calibrating NIBP always change the displayed pressure value s...

Страница 149: ...is connected around some round object for example a calibration gas bottle Select Start Test Start the adult safety valve test by pressing the ComWheel Wait until the pump stops and the pressure is d...

Страница 150: ...ee the pulse valve value and adjust it by turning the ComWheel Then push the ComWheel to confirm the value 5 The Interval 240 mmHg 50 mmHg time should be less than 60 seconds when the valve is 150 and...

Страница 151: ...Parameters 5 25 Document no 2044677 001 4 4 4 NIBP Buttons Leds Buttons Leds Data Not in use in B30 Monitor...

Страница 152: ...p turns on Open Exh1 Close Exh1 This function is not in use with E PSM P W modules Open Exh2 Close Exh2 A manual control for the exhaust valve 2 The selection changes to Close Exh2 when the valve is o...

Страница 153: ...functions properly Choosing this test prevents the watchdog circuitry from refreshing and shows running seconds with an accuracy of 0 1 seconds The test should have the following result when the watc...

Страница 154: ...rd Error Log is for selecting the error history view onto the right side of the menu Error Log shows also some monitoring events like warm and cold starts Alarm Log is for selecting the alarm history...

Страница 155: ...SW Settings 5 29 Document no 2044677 001 7 SW Settings 7 1 SW Download Menu for downloading monitor software via the network port...

Страница 156: ...out possible power frequency interference from parameter measurements Time Format Set the time format of the real time clock 12 h or 24 h Language Select a language to be used during monitoring NOTE S...

Страница 157: ...age abbreviations in language file names Abbreviation Language CHI Chinese CZE Czech DAN Danish ENG English FRE French GER German HUN Hungarian ITA Italian NLB Dutch NOR Norwegian POL Polish POR Portu...

Страница 158: ...B30 Patient Monitor 5 32 Document no 2044677 001...

Страница 159: ...6 Field replaceable unit...

Страница 160: ......

Страница 161: ...ilable as field replaceable spare parts 1 1 Front panel labeling Front panel labeling B30 monitor 1 2 B30 service software Item Description Order Code 18 Dash 2600 KEYBOARD HOR 2044978 018 19 Dash 260...

Страница 162: ...Back cover unit Item Description Order Code 4 Dash 2600 Battery 2044978 004 7 Dash 2600 Multi I O adapter 2044978 007 8 Dash 2600 Screws 2044978 008 11 Dash 2600 Power supply board 2044978 011 15 Dash...

Страница 163: ...cal parts in FRAME CHASSIS 2044978 003 6 Dash 2600 Speaker 2044978 006 8 Dash 2600 Screws 2044978 008 9 Dash 2600 DC DC Board 2044978 009 11 Dash 2600 Power supply board 2044978 011 12 Dash 2600 AC in...

Страница 164: ...RONT COVER 2044978 022 36 Frequently defect parts in FM Light 2044978 036 Item Description Order Code 8 Dash 2600 Screws 2044978 008 14 Dash 2600 Handle 2044978 014 17 Dash 2600 Front Cover Inidicator...

Страница 165: ...D MODULE 2044978 001 2 Dash 2600 LCD Inverter 2044978 002 3 Dash 2600 Mechinical parts in FRAME CHASSIS 2044978 003 5 Dash 2600 Cables and connector 2044978 005 6 Dash 2600 Speaker 2044978 006 8 Dash...

Страница 166: ...B30 Patient Monitor 6 6 Document no 2044677 001 1 6 Frame for B30 Frame for B30...

Страница 167: ...Speaker 2044978 006 8 Dash 2600 Screws 2044978 008 9 Dash 2600 DC DC Board 2044978 009 10 Dash 2600 Connect Flex board 2044978 010 11 Dash 2600 Power supply board 2044978 011 12 Dash 2600 AC inlet 20...

Страница 168: ...24 PSMW Connecter and Air Filter 2044978 024 28 PSMW NIBP PUMP 2044978 028 30 FRU OUTER MASK WPSM WITHOUT IBP EN CN 2044978 030 31 PSMW KEYBOARD 2044978 031 33 FRU WPSM FRONT CONNECTOR 2044978 033 34...

Страница 169: ...SM WITHIN IBP TUR 2044978 051 52 FRU OUTER MASK WPSM WITHIN IBP RUS 2044978 052 53 FRU OUTER MASK WPSM WITHOUT IBP GER 2044978 053 54 FRU OUTER MASK WPSM WITHOUT IBP FR 2044978 054 55 FRU OUTER MASK W...

Страница 170: ...001 Item Description Order No 24 PSMW Connecter and Air Filter 2044978 024 28 PSMW NIBP PUMP 2044978 028 29 PSMW NIBP MANIFOLD 2044978 029 31 PSMW KEYBOARD 2044978 031 32 PSMW ECG INPUT UNIT 2044978...

Страница 171: ...rts 6 11 Document no 2044677 001 Item Description Order No 23 PSMW Cover 2044978 023 24 PSMW Connecter and Air Filter 2044978 024 25 PSMW PCBA ECG 2044978 025 26 PSMW PCBA STP 2044978 026 27 PSMW PCBA...

Страница 172: ...repair on a factory sealed component or assembly could jeopardize the safe and effective operation of the Monitor 3 1 Before disassembly NOTE Wear a grounded antistatic wristband when handling PC boa...

Страница 173: ...of the monitor remove both batteries Multi I O adapter the fuse holder three T8 screws from the top of the back cover two T15 screws with star washers one T15 screw Notice the places of the star wash...

Страница 174: ...cuit runs on high voltage Do not touch the inverter board or the backlight tube leads when powered 3 Disconnect the displayed cable 4 Remove the four T10 screws holding the display to the frame unit 5...

Страница 175: ...ove the 14 screws T10 holding the shield to the frame unit Lift the shield carefully up To remove the loudspeaker unit Remove the two screws T10 holding the loudspeaker unit to the frame Disconnect th...

Страница 176: ...y from the frame To remove the network connector board unit Remove the screw T10 holding the unit to the frame Disconnect the cable coming from the Network connector board Remove the Network connector...

Страница 177: ...C DC board cable connector Remove the screw T10 and disconnect the DC DC board from the frame by lifting it up carefully To remove the main power connector unit Remove the cover first Remove the two s...

Страница 178: ...tor 6 18 Document no 2044677 001 Lift up the power connector unit To remove the AC DC unit and the filter board Remove the four screws T10 in AC DC unit and the two T10 screws in filter board Lift up...

Страница 179: ...e deformations and color fading 2 Do not open the component case because internal circuits are sensitive to electrostatic discharges Taking a spare part LCD Display component or a display shield into...

Страница 180: ...attery LED indicators Monitor is battery powered Batteries are fully charged and the size of the green bar indicates the charging level green lit orange dark Monitor is battery powered Battery A is em...

Страница 181: ...ard and push the battery down all the way Check the monitor indicators CAUTION After having replaced a battery always make sure that you close the battery compartment by sliding the lid back to the ri...

Страница 182: ...tteries until both capacity indicators are full height 3 Continue charging for another two hours After this check that the orange battery LED in the front panel is no longer on If it is continue charg...

Страница 183: ...Frame disassembly 6 23 Document no 2044677 001...

Страница 184: ...de screwdriver pincers antistatic wristband To open the E PSM P W module 1 Remove the four screws T8 holding the module cover to the frame from the bottom of the module 2 Remove the two screws T6 hold...

Страница 185: ...IBP flex connector Disconnect the hoses 2 pcs coming from the manifold Lift up the NIBP board NOTE Note the positions of the hoses mark them if necessary to ensure they are replaced correctly To remov...

Страница 186: ...he manifold The hoses follow the pump Remove the NIBP pump Disconnect the two T6 screws holding the manifold to the front cover unit Lift the manifold carefully aside Be careful not to damage the NIBP...

Страница 187: ...module disassembly 6 27 Document no 2044677 001 To remove the STP board Lift the NIBP STP insulator plate carefully up Disconnect the STP input flex connector and the module bus connector Lift up the...

Страница 188: ...B30 Patient Monitor 6 28 Document no 2044677 001 To remove the ECG board Lift the STP ECG insulator plate carefully up Disconnect all the rest connectors Lift up the ECG board...

Страница 189: ...er reassembling the module To remove the module bus connector 5 Use a flat blade screwdriver to unlock the module bus connector insulator cover Put the screwdriver in the hole and move the blade backw...

Страница 190: ...B30 Patient Monitor 6 30 Document no 2044677 001...

Страница 191: ...7 Technical specification...

Страница 192: ......

Страница 193: ...ormance Mains input Rated voltage 100 10 to 240 10 Vac Rated frequencies 50 60Hz Power consumption 150 VA Ext DC Input Voltage 10 16V Current 6 A max 1 1 2 Environmental requirements Operating tempera...

Страница 194: ...Base T Isolation 1500 V 60 50Hz 1 min Network ID Network ID key Communication protocol DRI 01 02 and 03 Network Connectivity D O Central and iCentral 1 5 Analog Outputs direct ECG and synchronization...

Страница 195: ...flation limit adult 280 10 mmHg child 200 10 mmHg infant 150 5 mmHg Venous stasis adult 80 5 mmHg 2 min child 60 5 mmHg 2 min infant 40 5 mmHg 1 min Venous stasis pressure may be lower than the values...

Страница 196: ...1 bpm Display averaging 5 20 s Adjustable pulse beep volume Pleth waveform Scales 2 5 10 20 50 mod Auto Start up scale is 20 mod if AUTO is not selected to be the default setting 2 2 4 Temperature Mea...

Страница 197: ...ation measurement has been tested with 1 Vrms and 1 V m This level has been used for optimizing the immunity of the respiration measurement to damp the operating frequency of the electrosurgery equipm...

Страница 198: ...B30 Patient Monitor 7 6 Document no 2044677 001...

Страница 199: ...8 N F C REC Module...

Страница 200: ......

Страница 201: ...aveform and numerical data and trend data NOTE Printings on thermal paper may be destroyed when exposed to light heat alcohol etc Take a photocopy for archive N FCREC and N FC provide CO2 airway and r...

Страница 202: ...emperature 10 40 C 50 to 104 F Storage temperature 20 60 C 4 to 140 F Atmospheric pressure 666 1060 hPa 67 106 kPa 500 800 mmHg 666 1060 mbar Humidity 10 95 non condensing in airway 0 100 condensing P...

Страница 203: ...umidity 20 80 RH 20 RH of cal Automatic compensation for barometric pressure Non disturbing gases are those with a maximum effect on the CO2 reading 0 2 vol The effect is valid for specific concentrat...

Страница 204: ...l min Resolution 1 min Adjustable low and high limits for respiration rate alarm for apnea 2 4 Recorder 2 4 1 Typical performance Principle Thermal array Print resolution Vertical 8 dots mm 200 dots...

Страница 205: ...yzer measuring absorption of the gas sample using an optical narrow band filter The infrared radiation detector is thermopile Concentration of CO2 is calculated from absorption measured at 4 2 to 4 3...

Страница 206: ...endTM The sample is drawn through the sampling line The gas then enters the module through the water trap where it is divided into two flows a main flow and a side flow The main flow goes into the ana...

Страница 207: ...working pressure transducer measures differential pressure between the tubing and ambient air near the miniC measuring unit Atmospheric pressure transducer The atmospheric pressure transducer measures...

Страница 208: ...nical measuring chamber with 3 mm length From the sample chamber the radiation goes into a thermopile detector with an optical filter in front of it The temperature sensor measures the miniCmeasuring...

Страница 209: ...er board The function of the recorder board is to establish an interface between the recorder unit and main CPU board in the monitor The recorder unit related side panel key is connected to the record...

Страница 210: ...Module Bus Flex board connects the CPU board of the miniC unit and the recorder board to the module bus Figure 7 Module bus flex board 3 3 Connectors and signals 3 3 1 Module bus connector 5 pin femal...

Страница 211: ...ry Attempts to repair calibrate the unit elsewhere will adversely affect operation of the unit The information provided is for reference only WARNING Handle the water trap and its contents as you woul...

Страница 212: ...module Be careful with the flex cable when opening the cover Remove the grey plastic shield over the miniC unit 4 2 3 Inspection General 1 Check internal parts all screws are tightened properly all c...

Страница 213: ...isconnecting the tubes then removing the locking rings from the back of the front cover Replace the Mini D fend and sampling line with new ones NOTE Use only Datex Ohmeda sampling lines in order to en...

Страница 214: ...replaced annually 10 Leak test Perform the sampling system leak test Connect a flow cassette with high flow resistance value 50 1 1 to the end of the sampling line and start following the Amb Work va...

Страница 215: ...rk mmHg 20 50 13 Gas calibration Airway Gas Gas Calibration NOTE The calibration should not be performed before 30 minutes warm up time Use calibration gas 755580 5 CO2 about 20 O2 for calibrating the...

Страница 216: ...Field 3 P1 Field 4 P2 Field 5 PLETH Field 6 OFF Plug in the Hemodynamic Module Connect a patient simulator to the module and check that all connected parameters are shown on the screen Preset recordin...

Страница 217: ...ge the paper speed setting to 1 mm s Record Print Record Waveforms Paper Speed 1 mm s Press the RECORD WAVE key and wait until the recording stops Check that the length of the scale is now 3 0 cm 0 5...

Страница 218: ...leak test perform the occlusion test perform the gas calibration 5 0 2 Before disassembly NOTE Wear a grounded antistatic wristband when handling PC boards Electrostatic discharge may damage componen...

Страница 219: ...ly the screws cannot be removed and remove the recorder unit 4 Remove the five screws T8 on the side where the device plate is located 5 Place the N F C REC on a table the device plate side down 6 Rem...

Страница 220: ...ing the nafion tube ensure the correct routing for both modules If the nafion tube is not correctly routed it may get bent or jammed when reassembling the cover Bent or pinched tube can get permanentl...

Страница 221: ...bus flex cable and remove the unit from the module cover 13 Remove the screw T8 holding the module bus flex cable to recorder unit metal plate and module cover 14 Disconnect the module bus flex cable...

Страница 222: ...ve the blade backwards away from the module bus flex cable until the insulator cover unlocks 17 By assisting with a screwdriver pull the module bus connector through the hole in the module cover 18 Fl...

Страница 223: ...in the CO2 setup menu to 21 40 Airway Gas CO2 setup O2 concentration to 20 Use only recommended calibration gases to guarantee a successful calibration During gas calibration units are always used for...

Страница 224: ...to perform a new calibration If adjustments are required Turn the ComWheel to highlight the first gas to be adjusted and then push the ComWheel Turn the ComWheel until the displayed value matches the...

Страница 225: ...ain value changes the flow approximately 7 5 ml min After you have changed the gain wait until the Sample Flow value on the screen returns near to the original then check the flow meter reading again...

Страница 226: ...B30 Patient Monitor 8 26 Document no 2044677 001 6 Extension Modules Spare parts 6 1 Extension Modules N FCREC N FREC Figure 10 Exploded view of N FCREC module...

Страница 227: ...le cover left N F C REC M1006808 8 Module Bus Flex Board Unit N F C REC M1015109 9 Tubing Unit for miniC N FC REC M1013717 10 Pump Unit for miniC N FC REC M1013716 11 Front Panel Unit N FREC M1007843...

Страница 228: ...g 733382 4 Air Filter N FC REC M1011471 5 Tubing Unit for miniC N FC REC M1013717 6 miniC Unit N FC REC M1013204 7 Module cover right N FC M1010204 8 Pump Unit for miniC N FC REC M1013716 9 Lock Unit...

Страница 229: ...der unit faulty Replace the recorder unit Problem Cause What to do No response to breathing Sampling line or water trap blocked or loose or improperly attached Water trap container full See the gas sa...

Страница 230: ...nication error Sudden increase in gas display Water trap malfunction Check all internal tubing and the interior of the water trap for occlusions or leaks Replace water trap Check flow rates Abnormally...

Страница 231: ...nnect a flow cassette with a high flow resistance value 50 1 1 to the end of the sampling line and start following the Amb Work value in the service menu When the value exceeds 130 mmHg connect the ot...

Страница 232: ...e Air leak over 40 seconds Replace D fend replace water trap Indicates residue build up on the water trap membrane This decreases air flow Gas calibration is not available during first 5 minutes durin...

Страница 233: ...Lost of power during software installation may result in software installation failure System requirements PC with Microsoft Windows XP B30 software download CD B30 monitor main software B30 language...

Страница 234: ...PU Serial Number and Software Version will be automatically imported through the license file 6 Press Download button to start software download NOTE When the installation is finished the information...

Страница 235: ...monitor still in the software download mode you can continue to install another language or restart the monitor manually Emergence download The emergence download method is intended for the situation...

Страница 236: ...omatically 2 Set the time and date Monitor Setup Time and Date 3 If necessary set the monitor s network communication according to the used network software Monitor Setup Install Service 16 4 34 Servi...

Страница 237: ...B30 in Appendix C 7 Restore the original user settings if necessary 8 Fill in all necessary service documents with regard to the new monitor software NOTE The next start up time may be longer right af...

Страница 238: ...B30 Patient Monitor A 6 Document no 2044677 001...

Страница 239: ...30 should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 The B30 uses RF energy only for its internal functi...

Страница 240: ...hospital environment Surge IEC 61000 4 5 1 kV differential mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environm...

Страница 241: ...ansmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the foll...

Страница 242: ...he communications equipment Rated maximum output power of transmitter W Separation distance according to frequency of transmitter m 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz 0 01 0 12 0 1...

Страница 243: ...ion L E N Visual Inspection OK N A Fail 1 Check all units visually Functional Inspection OK N A Fail 3 2 1 General 3 2 2 Display S N 3 2 3 Keyboard s S N 3 2 4 Frame unit S N 3 2 6 Multiparameter Hemo...

Страница 244: ...B30 Patient Monitor C 2 Document no 2044677 001 Notes Signature Functional Inspection OK N A Fail...

Страница 245: ...Test failed Customer Service Service engineer Date Monitor Installation L E N Measuring equipment used Equipment tool Manufacturer Model Type Part Number Serial Number ID Calibration Date Visual Inspe...

Страница 246: ...espiration measurement S N 7 RESP measurement recognition 8 Test with patient simulator Notes Temperature measurement S N 9 Communication and memories 10 Temperature probe detection 11 Calibration che...

Страница 247: ...cation and memories 21 Pump and valves 22 Leak test 23 Calibration check 25 Cuff related messages 26 Test measurement 27 NIBP hose detection Notes 4 2 5 Loudspeaker 4 2 6 Monitor software 4 2 7 Conten...

Страница 248: ...s 3 Data error counters 4 Hardware error counters 5 Disconnection recognition 6 ID plug recognition Notes 4 2 16 General test 1 Storing trend data 2 Service reset 3 Watchdog 4 Service Log reset 5 Elec...

Страница 249: ...e OK N A Fail OK N A Fail 1 Check internal parts 2 Check external parts 3 Check Mini D Fend Notes OK N A Fail OK N A Fail 4 Module software GAS 5 Module bus communication 6 Flow measurement offset 10...

Страница 250: ...er General 17 Paper compartment cleaning 18 Paper recognition 19 Cover state recognition 20 Quality of recording 21 Recording speed 22 Electrical safety check 23 Functioning after electrical safety ch...

Страница 251: ......

Страница 252: ...mbH MunzingerStrasse 5 79111 Freiburg Germany Asian Headquarters GE Medical Systems Information Technologies Asia GE China Technology Park 1 Huatuo Road Shanghai 201203 P R China Tel 86 21 3877 7888 F...

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