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Service Manual of PM-8000 Portable Patient Monitor

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1. 3 3V TOO LOW CELL BAT TOO HIGH Cell battery has problem The cell battery has low Replace the battery If the capacity or the cell battery is failure still exists contact the CELL BAT TOO LOW not installed or the manufacturer connection is loose Execute Clear Record Task function in the recorder setup During the selftest the RECORDER SELFTEST menu to re connect the host system fails connecting with ERR and the recorder If the failure the recorder module still exists contact the manufacturer for repair RECORDER VLT HIGH The recorder module has Contact the manufacturer for RECORDER VLT LOW voltage failure repair After the recorder becomes cool use the recorder for The continuous recording RECORDER HEAD HOT output again If the failure still time may be too long exists contact the manufacturer for repair Press down the recorder handle REC HEAD IN WRONG The handle for pressing the for pressing the paper POSITION paper is not pressed down RECORDER OUT OF Place the paper into the No paper is in the recorder PAPER recorder The paper in the recorder is Place the recorder correctly RECORDER PAPER JAM jammed and try again In th RECORDER COMM ERR n the recorder setup menu RECORDER S COMM ERR The communication of the recorder is abnormal execute the function of clearing record task The function can make the host and the recorder
2. Service Manual of PM 8000 Portable Patient Monitor V2 0 1 1 Introduction TEMP Temperature DATA IBP IBP SYS DIA MAP IBP waveform PM 8000 provides extensive functions as visual amp audible alarm storage and report printout for trend data NIBP measurements and alarm events and drug dose calculation etc II Appearance The POWER switch is on the right quarter of the front panel 2 The POWER indicator and the BATT indicator light when the device is powered on The ALARM indicator flashes or lights when alarm occurs Sockets for the sensors are on the right side The recorder socket is on the left side Other sockets and power plug in are at the back Figure 1 1 Front view of PM 8000 Portable Patient Monitor 2 1 Screen display The display of PM 8000 may be color or monochrome liquid crystal The monitor of PM 8000 is available in both monochrome and color liquid crystal Patient parameters waveforms alarm messages bed numbers date system status and error messages can be displayed on the screen The screen is divided into three areas lt message area T waveform area gt parameter area 1 2 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction BED No 1 ADU se Zhang shan M LL l idon INFORMATION Figure 1 2 PM 8000 main screen Message Area The Message Area is at the top of the screen and used to display operating state
3. 5v Thermal Head Power Motor 8 3v gt 5v driver opid 9596 ad c Ba Opto Senser power 8 3v gt 3 3v signal Figure 1 12 Schematic diagram of TR60 A drive board The main function parts of the recorder are 3 6 2 Thermal head The thermal head is the pivot component of recorder It is PTMBL1300A thermal head manufactured by ALPS company 3 6 3 CPU system The CPU system is the core of the drive board Its task is to receive the data from the host and generate lattice messages after calculation using specified algorithm These messages are then sent to the thermal head to be printed out The CPU system can at the same time collect messages about both thermal head and drive board have these messages displayed and sent to the host 3 6 4 Power conversion The thermal head requires two power supplies 8 3V and 5V CPU needs 3 3V power 5V and 3 3V are generated on the drive board Components using these two power supplies are SPX5205M5 and AS1117 3 6 5 Motor drive A small motor is used to control the paper movement at the thermal head The processor on the drive board uses two motor drives IC LB1843V to control and drive the motor These two ICs are able to drive the motor using constant current The logic drive level of the thermal head used on the CPLD9536 drive board is 5V CMOS The processor works under 3 3V The system uses a CPLD X9536XL by which the output logic of the
4. Use the cuff with appropriate size replace NIBP module No SpO2 waveform Sensor or SpO2 module is damaged replace the sensor and confirm the failure SpO2 waveform has strong interference patient is moving Environment light 1s very intensive keep the patient quiet Weaken the light intensity in the environment SpO2 value is inaccurate coloring agent has been injected into patient body remove the coloring agent before perform measurement 4 6 Service Manual of PM 8000 Portable Patient Monitor V2 0 Installation Chapter 5 Installation I Unpack inspection Open the package and take out the packing list Check if the names quantity and specifications of the goods in the package are consistent with those on the packing list Please note that 1 If the user buys optional parts or other accessories he should also verify if they are placed in the package 2 If the goods in the package are not consistent with those on the packing list please contact the supplier 3 If the device or any part is damaged during transportation please save all packing material and goods for future inspection and immediately contact the supplier II Preparations before power on Before connecting the 3 core power wire into the power socket of the PM 8000 please make following checks 1 Ifthe network voltage complies with device requirements 2 To protect the pa
5. network linking wire is check and repair network Cannot be linked into network damaged 2 main control board failure linking wire O replace main control board 2 4 Power board failure Failure Possible cause Solution Fuse is burned upon power on short circuit occurs in power supply or other part Check after power on Fuse is burned although all loads are disconnected power failure replace power supply Fuse is burned after connecting a part short circuit this part occurs replace this part Indicators of power and main control board light on however the fan does not run 12V DC power is damaged replace the power 4 4 Service Manual of PM 8000 Portable Patient Monitor V2 0 Troubleshooting and the indicator of keyset does not light Indicators of power and main control board do not light on however the fan runs normally and the indicator of keyset lights on D 5V DC power is damaged replace the power 2 5 Parameter failure No ECG waveform Mpoor connection of ECG electrode films no square waveform exists during CAL self test SRL electrode is suspended ECG RESP module is damaged Quse new electrode films to ensure good contact replace ECG RESP module connect RL electrode replace ECG RESP module ECG waveform is abnorma
6. P6 Pg 2 From J2 x4 RecorderP S X8 BP P C B X12 E IBP TEMP ECG Sp02 Cuff Cable Sensor Cable Sensor VGA nterface NET Interface Anabg output Service Manual of PM 8000 Portable Patient Monitor V2 0 1 11 Introduction Figure 1 8 PM 8000 connection diagram Following are brief description of basic function and operating principle of each part 3 1 Power board PM 8000 power board specifications input AC input voltage 100 240 VAC AC input current lt 1 6A AC voltage frequency 50 60HZ Two way output voltage 5V 12V normal working current is 1 5A for 5V 2A for 12V Two way output voltage has functions of short circuit over current and over voltage protection The power board has reset function The power board can manage the charging process of lead acid battery 12V 2 3AH The charging time is about 6 hours Schematic diagram of power board SVDC DC BUCK converter Voltage test AC REC POWER SOURCE Power on off control circuit Battery and Charging gt Managerent circuit 12V output Figure 1 9 circuit diagram of PM 8000 power board Testing key points Connect AC power at this time the Charge indicator of the battery should light on Test before power on the monitor Use multimeter to measure the DC voltage of the capacitor C12 which should be within the range of 107 354V
7. Connect RA P to the RA post of 501 Connect other parts to LL through SUM Press the ECG leak key of 501 then press the arrow on the panel of 501 to select the RA LL item Take turns to operate the Ground key for disconnecting the ground wire the Neutral key for disconnecting the null line and the Polarity key for toggling between null line and live wire Test the current in the above three fault conditions the maximum current value should be less than 0 05mA 2 2 4 3 2 DC auxiliary current of the RA lead of ECG to other application parts DC value of RA Press the DC Only key of 501 take turns to operate the Ground key for disconnecting the ground wire the Neutral key for disconnecting the null line and the Polarity key for toggling between null line and live wire Test the current in the above three fault conditions the maximum current value should be less than 0 05mA Service Manual of PM 8000 Portable Patient Monitor V2 0 3 7 Checks and Tests 2 2 5 Testing grounding resistance 2 2 5 1 Connection graph for testing ground resistance is shown in figure 3 5 Note In the graph Pl and P2 are two binding post of grounding resistance testing kit Keep the measuring wires Black and Red as short as possible The sectional area of the wire should be larger than 10mm It is acceptable to use more than 3 pieces of parallel connected 1OWAG wires GND is the grounding terminal of either the power wire
8. Through resistance lt l ohm Isolating voltage gt 1500 VAC Relay drive ON OFF Battery Rechargeable 2 3 Ah 12V Lead Acid battery Operating time under the normal use and full charge greater than 100minutes Operating time after the first alarm of low battery will be about 5 minutes Maximum charging time of single battery is 4 hours Recorder Option Record Width 48 mm Paper Speed 25 50 mm S Trace 2 Recording types All ii Service Manual of PM 8000 Portable Patient Monitor V2 0 Recall and data storage Trend Recall Short Long Alarm Event Recall Product Specifications Continuous real time recording 8 second real time recording Auto 8 second recording Parameter alarm recording Waveform freeze recording Trend graph table recording ARR events review recording Alarm event review recording NIBP review recording Drug Calculation and titration table recording Monitor information recording OxyCRG recording 1 hrs 1 Second Resolution 72hrs 1Min Resolution 60 alarm events of all parameters and 8 16 32seconds of corresponding waveform NIBP Measurement Recall 400 NIBP measurement data ECG Lead Mode Lead selection Waveform Lead mode Lead selection Waveform Gain HR and Alarm Range Adult Neo Ped Accuracy Resolution Sensitivity 5 Leads R L F N Cor RA LA LL RL V I IL MI avR avL avF V 2 channel 3 Leads R L F or RA LA LL I IL II 1 channel x2 5mm mV
9. 100 diluted bleaching agent to 5000ppm 1 10 bleaching agents is very effective The concentration of the diluted sodium hyocihlo depends on how many organisms blood mucus on the surface of the chassis to be cleaned EM Diluted Mindrayhylene Oxide 35 37 M Hydrogen Peroxide 3 EM Alcohol El Isopropanol Note PM 8000 monitor and sensor surface can be cleaned with hospital grade ethanol and dried in air or with crisp and clean cloth Note Mindray has no responsibility for the effectiveness of controlling infectious disease using these chemical agents Please contact infectious disease experts in your hospital for details III Sterilization To avoid extended damage to the equipment sterilization is only recommended when stipulated as necessary in the Hospital Maintenance Schedule Sterilization facilities should be cleaned first Recommended sterilization material Ethylate and Acetaldehyde A Caution A 1 Follow the manufacturer s instruction to dilute the solution or adopt the lowest possible density 2 Do not let liquid enter the monitor 3 No part of this monitor can be subjected to immersion in liquid 4 Do not pour liquid onto the monitor during sterilization 5 Use a moistened cloth to wipe off any agent remained on the monitor 6 To avoid extended damage to the equipment disinfecting is only recommended when stipulated as necessary in the Hospital Maintenance Schedule Disinfecting faciliti
10. Manual of PM 8000 Portable Patient Monitor V2 0 Checks and Tests 2 2 5 2 3 Between GND of power plug and each C point Zero the booster on A Connect black wire of Pl to GND of the 3 core power wire and the red wire to the selected C shell cover Connect network voltage 220V Slowly adjust and raise the booster output and observe the reading on the current meter Continue to raise the booster output until the reading of the current meter indicates 25A Wait for 5 seconds and then read the value on the voltage meter use AC voltage range of the multimeter which should be less than 2 5V 2 2 5 2 4 Between GND of power plug and each M point Zero the booster on A Connect black wire of Pl to GND of the 3 core power wire and the red wire to the selected M screw Connect network voltage 220V Slowly adjust and raise the booster output and observe the reading on the current meter Continue to raise the booster output until the reading of the current meter indicates 25A Wait for 5 seconds and then read the value on the voltage meter use AC voltage range of the multimeter which should be less than 2 5V II Testing and calibrating each parameter Testing and calibrating follow parameters are to ensure the accuracy of PM 8000 portable patient monitor Calibrating operation should be performed at least once a year Calibration should be carried out each time after maintenance 1 Testing ECG and RESP 1 Testing tool Human physiological sig
11. OC gate is generated therefore converting 3 3V level into 5V 3 6 6 Test points are listed out in the table below Service Manual of PM 8000 Portable Patient Monitor V2 0 1 17 Introduction No Name Position Function 1 VH P1 1 or P1 2 Power input 7 8 8 4V 2 GND P1 4 or TP16 Power and signal grounding termals 3 VPP U3 8 Thermal head heating and motor power 8 8 4V 4 VDD U9 2 Logic component power of the drive board 3 0 3 6V 5 VCC U4 5 Logic power of the thermal head 4 75 5 25V 6 RESET TP30 CPU reset signal high level after power on gt 2 4V 1 18 Service Manual of PM 8000 Portable Patient Monitor V2 0 Monitoring Functions and Principles Chapter 2 Monitor Functions and Principles I Introduction PM 8000 portable patient monitor uses parameter module as the basic unit to acquire signals The results are transmitted to the main control board via keyset to finally process and display the data and waveforms The commands of the main control board and status messages of modules are transmitted also through the keyset The keyset is additionally used to realize power switching and conversion The structure of the whole system is shown in the figure below Medical Staff oO keyboard Display Recorder Main i Network c gt Power Ze control interface IBP ECG RESP NI
12. PM 8000 Execute following procedures to use PM 8000 to monitor a patient 1 Read Operation Manual carefully Service Manual of PM 8000 Portable Patient Monitor V2 0 6 1 Basic Operations 2 Check if PM 8000 has any damages caused during transportation Check if any cables power wires 6 2 receptacles and connectors are in poor contacts or loosely connected Turn on the power switch on the rear panel of the PM 8000 After waiting for about 10 seconds the screen displays System is initializing please wait Wait for about another 12 seconds monitoring picture and waveform scanning lines appear on the screen If turning off this switch during operation process the power indicator will light off and the PM 8000 will stop working Check all required functions and verify that the PM 8000 works normally After that connect the measuring cable into the patient limb to start monitoring the patient Service Manual of PM 8000 Portable Patient Monitor V2 0 Cleaning and Disinfection Chapter 7 Cleaning and Disinfection A Warning A Before cleaning the monitor or the sensor make sure to turn off the power and disconnect the AC power I Maintenance checks Before using the monitor do the following 1 Check if there is any mechanical damage 2 Check all the outer cables inserted modules and accessories 3 Check all the functions of the monitor to make sure that the monitor is in good condition If fi
13. Use oscillograph to measure between the PIN1 of Q1 and the negative electrode of C12 a driving 1 12 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction waveform with the frequency being about 110KHz should exist Use multimeter to measure the DC voltage of the capacitor C19 which should be 17 5V Use multimeter to measure the DC voltage of the capacitor C24 which should be 13 8V voltage after removing battery Use multimeter to measure the capacitor C47 which should be 5V Tests after powering on the monitor Use multimeter to measure the regulator ZD3 whose DC voltage should be 5V Use multimeter to measure the regulator ZD4 whose DC voltage should be 12V Use multimeter to measure the capacitor C54 whose DC voltage should be 17 2V 3 2 PM 8000 main control board Power supply Input voltage 12V 45 5V 45 The main control board uses the COLDFIRE series embedded microprocessor 5206e manufactured by MOTOROLA Company It also adopts 3 3V low voltage power supply to reduce the power consumption Other main components on the main control board include Flash SRAM FPGA network controller etc all of which require 3 3V power The capacity ofthe Flash has been increased to 2MB which employs two parallel connected 512Kx16 chips and therefore uses 32 bit character width to support CPU to operate at the highest possible speed instead of accessing to DRAM for operation The main control board has also a 4MB mem
14. connect again If the failure still exists contact the manufacturer for repair RECORDER PAPER W P Al vi The roll of the paper recorder is not placed in the Place the paper roll in the correct position Service Manual of PM 8000 Portable Patient Monitor V2 0 System Alarm Prompt correction position Cannot communicate with In the recorder setup menu function of task The execute the clearing record REC NOT AVAILABLE function can make the host and the recorder the recorder connect again If the failure still exists contact the manufacturer for repair NIBP INIT ERR Execute the reset program in NIBP SELFTEST ERR NIBP initialization error the NIBP menu If the failure still exists contact the manufacturer for repair NIBP ILLEGALLY RESET During NIBP measurement illegal reset occurs Check the airway of NIBP to see if there are clogs Then measure again if the failure still exists contact the manufacturer for repair NIBP COMM ERR The NIBP communication Execute the reset program in the NIBP menu If the failure part has problem still exists contact the manufacturer for repair The NIBP cuff is not LOOSE CUFF Re connect the NIBP cuff connected correctly Check the connection of each The NIBP cuff is not part or replace with a new cuff AIR LEAK connected correctly or there If the failure still ex
15. consistent to those set up on the simulator Change the setup values on the simulator and test again Check if the actual measured values are consistent with setup one 3 Testing SpO2 1 Testing tool SpO simulator 2 Testing procedures Connect SpO simulator with the SpO probe of PM 8000 2 Set up the parameters of SpO simulator as following SpO 98 PR 70 8 Check if the displayed SpO and PR values on PM 8000 are consistent with those on the simulator Note To observe the PR value select PLETH as the HR source in the ECG menu 4 Change the setup values of SpO and PR on the simulator Check the displayed values on PM 8000 are consistent with the setup values Make SpO sensor fall off in this condition PM 8000 should immediately give alarm 4 Testing TEMP 1 Testing tool Human physiological signals simulator 2 Testing procedures Connect one end of the TEMP sensor to the simulator and the other end to the TEMP socket of 3 10 Service Manual of PM 8000 Portable Patient Monitor V2 0 Checks and Tests PM 8000 2 Using the simulator to set up EMP 34 C 8 Check if the displayed TEMP value on the screen of PM 8000 is 34 C Change the setup value of the simulator to TEMP 40 C Check if the displayed TEMP value on the screen of PM 8000 is 40 C 5 Testing IBP 1 Testing tool Human physiological signals simulator 2 Testing procedures Set up the BP sensitivity of the simulator to 5uv
16. of the device being tested or the power plug EP is the grounding terminal to the device for the current patient monitor EP is equipotential binding post C are all the protecting metal covers shells that are connected to PE M are all metal screws that are connected onto EP C and M are all on the device shell SA T2 Figure 3 5 Connection graph for testing grounding resistance 2 2 5 2 Testing procedures 2 2 5 2 1 Between GND of power wire and EP Zero the booster on A Connect black wire of Pl to GND of the 3 core power wire and the red wire to the EP binding post Connect network voltage 220V Slowly adjust and raise the booster output and observe the reading on current meter for A Continue to raise the booster output until the reading of the current meter indicates 25A Wait for 5 seconds and then read the value on the voltage meter use AC voltage range of the multimeter which should be less than 5V 2 2 5 2 2 Between GND of power plug and EP Zero the booster Connect black wire of Pl to GND of the 3 core power wire and the red wire to the EP binding post Connect network voltage 220V Slowly adjust and raise the booster output and observe the reading on the current meter Continue to raise the booster output until the reading of the current meter indicates 25A Wait for 5 seconds and then read the value on the voltage meter use AC voltage range of the multimeter which should be less than 2 5V 3 8 Service
17. the alarm limits are alarm limit appropriate and the current XX value is below the lower XX TOO LOW situation of the patient alarm limit XX represents the value of parameter such as HR ST1 ST2 RR SpO2 IBP NIBP etc in the system The ECG signal of the Check if the electrodes and patient is too small so that lead wires are connected ECG WEAK SIGNAL the system can not perform correctly and the current ECG analysis situation of the patient The pulse signal of the Check the connection of the patient is too small so that NO PULSE sensor and the current situation the system can not perform of the patient pulse analysis The respiration signal of the Check the connection of the patient is too small so that RESP APNEA linking wire and the current the system cannot perform situation of the patient RESP analysis Check the current situation of Patient suffers from Arr of the patient Check the ASYSTOLE ASYSTOLE connection of the electrodes and lead wires Check the current situation of Patient suffers from Arr of the patient Check the VFIB VTAC VFIB VTAC connection of the electrodes and lead wires Service Manual of PM 8000 Portable Patient Monitor V2 0 Al i System Alarm Prompt Check the current situation of Patient suffers from Arr of the patient Check the COUPLET COUPLET connection of
18. x5 0mm mV x10mm mV x20mm mV auto 15 300 bpm 15 350 bpm 1 or lbpm which great 1 bpm gt 200 uV pp Service Manual of PM 8000 Portable Patient Monitor V2 0 All iii Product Specifications Differential Input Impedance CMRR Electrode offset potential Patient Leakage Current Recovery After Defi ECG Signal Range Bandwidth Surgery Monitor Diagnostic Calibration Signal ST Segment Monitoring Range Measure and Alarm Accuracy ARR Detecting Type Alarm Review RESPARATION Method Differential Input Impedance Measuring Impedance Range Base line Impedance Range gt 5 MOhm Monitor gt 105 dB Operation gt 105 dB Diagnosis gt 90 dB 300mV lt 10uA lt 3s 8mV Vp p 1 20 Hz 0 5 40 Hz 0 05 10 Hz 1 mV p p Accuracy 5 2 0 2 0 mV 0 8mV 0 8mV 0 02mV or 10 use the greater PVCs ASYSTOLE VFIB VTAC COUPLET BIGEMINY TRIGEMINY R ON T PVC TACHY BRADY MISSED BEATS PNP PNC Available Available Impedance between R F RA LL gt 2 5 MOhm 0 3 5 0 Q 2000 2 5K 0 0 2 2 0Hz 3dB Bandwidth Resp Rate Measuring and Alarm Range Adult Neo Ped Resolution 0 120 BrPM 0 150 BrPM 1 rpm All iv Service Manual of PM 8000 Portable Patient Monitor V2 0 Product Specifications Accuracy 7 150 BrPM 2 BrPM 2 which ever is greater 0 6 BrPM unspecified Apean Alarm 10 40s NIBP Method Oscillometric Mode Manual Auto STAT Meas
19. 0 255726 IV Service Manual of PM 8000 Portable Patient Monitor V2 0 Preface This manual gives detailed description to PM 8000 Portable Patient Monitor concerning its performance operation and other safety information Reading through this manual is the first step for the user to get familiar with the equipment and make the best out of it Following symbols indicates some important facts that you have to pay special attention to A Warning A Points to be noted to avoid injury to the patient and the operator iR Caution A Points to be noted to avoid damage to the equipment NOTE Points to be noted This manual is intended for persons who are trained in the use of this field and have adequate experience in operation of monitoring equipment Service Manual of PM 8000 Portable Patient Monitor V2 0 V Content Chapter 1 Introducti n aii site da 1 1 I Generali tad A is 1 1 TT APPEATANCE Lin ad 1 2 2 1 Screen display ooooooococoooccnonncnoncnconononnnncnon conan conan ononnn nono nn cnn nn nn nr corn nnn rn cnn rr non nnnnrncnnncnnss 1 2 22 Button FUNCUOOS iO iria 1 6 De NS E NN 1 8 2 4 Built in rechargeable Battery seeria a 1 10 TL Hardware principle ia a Ren te ee 1 11 3 1 Power bodtd usina mean ae 1 12 3 2 PM 8000 main control board uussussesnessessesnnennennernennennennannnennennennnnnnennennonnnn 1 13 3 3 Structure diagram cceeceessccsssccsseceseeeseceeseeesseecsseeceseeeeeseeeeseeeeseeee
20. 00 portable patient monitor is a type of precision electronic medical device having complex structure Maintaining PM 8000 carefully will not only let the device develop its performance to the best but also ensure the long term operating accuracy of the device and avoid various errors To prevent cross contamination ensure that the device has undergone cleaning and disinfection before maintenance j Frequently check the device cables sensors and wires for damage Clean the device irregularly according to the actual requirement Perform safety test annually Perform NIBP parameter calibration test annually Calibrate TEMP parameter annually Test overall functions of the device annually Perform safety test once after each opening chassis repair o N A a A U N If finding problems during maintenance contact your supplier in time Service Manual of PM 8000 Portable Patient Monitor V2 0 8 1 Network Link Chapter 9 Network Link PM 8000 can be connected to Mindray Hypervisor III type 3000 Central Station to construct monitoring network system A HyperVisorlll Central Station can connect up to 8 bedside monitors At the Central Station the user can view all waveforms and parameters of the networked bedside monitors and modify the alarm setups of the networked bedside monitors as well In addition PM 8000 can be connected to Mindray HyperVisorlll type 3100 Central Station to construct monitoring network syste
21. 3 3V low voltage power supply component is adopted The external power is 5V which is converted by the DC DC converter into 3 3V and 2 5V the latter voltage being especially used for FPGA The main control board are connected with the external devices via following interfaces and input the power supply connected with the interface board the 9 way serial port TFT interface analog VGA interface network interface analog output and a spare serial port etc The BDM interface is reserved on the board for the aim of software testing and download E CPU It use Coldfire5206e Clock rate is 54MHz working voltage is 3 3V E FLASH It use tow parallel connected 512Kx16 FLASH memories The output terminal PP1 of CPU is used to realize write protection of FLASH It is effective in low level state E DRAM PM 8000 main control board uses two parallel connected 1Mx16 DRAM which construct 4M address space E Display The resolution is 800x600 Frequency is 38MHz It works in an appropriate SVGA mode VRAM adopts 16 bit structure and is divided into character screen and waveform screen On the left side of the 1 14 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction character screen is the corresponding waveform screen The right side to the character screen is used to display data and flashing alarms The user can select color and dot energy Besides the user can scroll the waveform for clear and complete observation E LVDS
22. BP SpO2 TEMP Patient Figure 2 1 System structure diagram As shown in the above figure the four modules of parameters execute real time monitoring of NIBP SpO2 ECG RESP TEMP IBP respectively through using cuff and measuring cables The results are transmitted to the main control board for display When required the results can also be printed out via recorder Coming up is the detailed information of functions Service Manual of PM 8000 Portable Patient Monitor V2 0 2 1 Introduction II ECG RESP parameters 2 1 ECG Main functions concerning ECG 1 lead 3 lead 5 lead 2 lead method I II III avR avL avF V CAL 3 Floating input 4 right foot drive 5 lead off detection 6 dual channel ECG amplification simultaneously processing ECG signals of any two leads The ECG circuit is responsible for processing the ECG signals of human body The circuit consists of following parts 1 input circuit the ECG electrodes are connected into the circuit through the cable This circuit is mainly used to protect ECG input stage filter the signals so as to remove the outside interference 2 buffer amplifying circuit used to convert the impedance of ECG signals so as to ensure that the ECG has a very high input impedance but only low output impedance 3 right foot drive circuit the middle output point of the buffer amplifying ci
23. EM FAILURE4 SYSTEM FAILURES SYSTEM FAILURE6 SYSTEM FAILURE7 Al iv Service Manual of PM 8000 Portable Patient Monitor V2 0 System Alarm Prompt SYSTEM FAILURES SYSTEM FAILURES SYSTEM FAILURE10 SYSTEM FAILURE11 SYSTEM FAILURE12 KEYBOARD AVAILABLE NOT The keys on the keyboard cannot be used Check the keys to see whether it is pressed manually or by other object If the key is not pressed abnormally contact the manufacturer for repair KEYBOARD COMM ERR KEBOARD ERROR KEYBOARD FAILURE KEYBOARD ERRI KEYBOARD ERR2 The keyboard has failure which cannot be used Contact the manufacturer for repair NET INIT ERR G NET INIT ERR Ram NET INIT ERR Reg NET INIT ERR Mii NET INIT ERR Loop NET ERR Run1 NET ERR Run2 NET ERR Run3 The network part in the system has failure The system cannot be linked to the net Contact the manufacturer for repair SV TOO HIGH SV TOO LOW POWER ERR3 POWER ERR4 12V TOO HIGH 12V TOO LOW POWER ERR7 POWER ERR8 3 3V TOO HIGH The power part of the system has failure If the prompt appears repeatedly contact the manufacturer for repair Service Manual of PM 8000 Portable Patient Monitor V2 0 System Alarm Prompt
24. Network controller The network controller adopts special chip AX88796 Its working clock is 25MHz It also has internal 16K high speed buffer SRAM The data bus of this chip is 16 bit width Service Manual of PM 8000 Portable Patient Monitor V2 0 1 15 Introduction 3 5 Button schematic diagram and principle CPU AT89C 2051 Watch dog seralcom m unkate Man conto board button signal gt button and encoder scan circuit Alam ndicator contwolcireuit ENCODER audible effect RC generating gt volume gt BANDPASS I POWER contol circuit poner FILTER CONVERSION speaker Figure 1 11 Button schematic diagram 3 5 1 Principle introduction The circuit has three main parts E Alarm audio signal circuit audible effect generating circuit is made up of nine components which are U3 D1 D2 D3 QI C2 R15 and R9 The length of the generated aftersound is controlled by the discharge loop constructed by C2 and R15 P3 5 is used to generate alarm square waveforms about 700Hz When P3 3 is 1 and Q1 is on alarm is activated C2 is quickly charged to the full capacity and R10 outputs to the next phase When P3 3 is 0 alarm is terminated C2 discharges by using R15 so as to produce aftersound effect D3 and D9 are used to overlap heart beat sound When P3 2 is 1 the square waveform of P3 5 generates heart beat s
25. Polarity key The maximum value of these four measurements should be less than 0 1mA 2 2 2 3 Leakage current between the shell and protection earth in single fault condition 2 2 2 3 1 Leakage current when ground wire is disconnected press the Leakage key of the 501 tester Press the Ground key and disconnect the ground wire Connect SW and respectively press and release the Polarity key Disconnect SW respectively press and release the Polarity key The maximum value of these four measurements should be less than 0 5mA 2 2 2 3 2 Leakage current when null line and live wire are disconnected press the Leakage key of the 501 tester Press the Neutral key of the 501 tester Disconnect N line respectively press and release the Polarity key and toggle between null line and live wire Imitate the condition that L line is disconnected and read the leakage current value on the 501 tester Connect SW respectively press and release the Polarity key Disconnect SW and respectively press and release the Polarity key The maximum value of these four measurements should be less than 0 5mA 2 3 Patient leakage current of the application part 2 2 3 1 Connection graph for testing is shown in figure 3 3 Connect one end of the 3 core power wire to AC220V network source the other end to leakage current testing kit A Insert the 3 core power wire of the 501 analyzer into its output socket Connect the 3 core power wire of the device be
26. RL P V P NIBP P SpO2 P TEMP1 P TEMP2 P IBP P respectively onto the SUM binding post Then through SUM use lead to to connect them to the LL binding post A grounding resistance leakage current measurement kit B 501 safety analyzer C application part processing kit device being tested application part P3 sensors connected to the patient RA RA terminal of the ECG measuring post of 501 LL LL terminal of the ECG measuring post of 501 SUM kit post 3 6 Service Manual of PM 8000 Portable Patient Monitor V2 0 Checks and Tests Figure 3 4 Connection graph for testing patient auxillary leakage current 2 2 4 2 Patient auxiliary current in the normal state adjust the input voltage by referring to 3 1 2 AC auxiliary current ofthe RA lead of ECG to other application parts position the RA on the connection kit of the application part to ON and other switches to OFF Connect RA P to the RA binding post of 501 Connect other patient parts to LL through SUM Press the ECG leak key of 501 then press the arrow on the panel of 501 to select the RA LL item The tested current value should be less than 0 01mA 2 2 4 3 Patient auxiliary current in single fault condition 2 2 4 3 1 AC auxiliary current of RA lead of ECGT to other application parts AC value of RA Position the RA on the connection kit of the application part to ON and other switches to OFF
27. Service Manual of PM 8000 Portable Patient Monitor Copyright SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD 2002 Version 2 0 Issued date 2005 07 24 P N 8000 20 10282 Statement SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD hereinafter called Mindray owns all rights to this unpublished work and intends to maintain this work as confidential Mindray may also seek to maintain this work as an unpublished copyright This publication is to be used solely for the purposes of reference operation maintenance or repair of Mindray equipment No part of this can be disseminated for other purposes In the event of inadvertent or deliberate publication Mindray intends to enforce its rights to this work under copyright laws as a published work Those having access to this work may not copy use or disclose the information in this work unless expressly authorized by Mindray to do so All information contained in this publication is believed to be correct Mindray shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing performance or use of this material This publication may refer to information and protected by copyrights or patents and does not convey any license under the patent rights of Mindray nor the rights of others Mindray does not assume any liability arising out of any infringements of patents or other rights of third parties Content of thi
28. cket when cleaning the monitor Wipe the outside its surface only 4 When the reusable cuff is not connected with the monitor or being cleaned always place the cover on the rubber tube to avoid liquid permeation 5 Reusable Blood Pressure Cuff The cuff can be sterilized by means of conventional autoclaving gas or radiation sterilization in hot air ovens or disinfected by immersion in decontamination solutions but remember to remove the rubber bag if you use this method The cuff should not be dry cleaned The cuff can also be machine washed or hand washed the latter method may extend the service life of the cuff Before washing remove the latex rubber bag Allow the cuff to dry thoroughly Service Manual of PM 8000 Portable Patient Monitor V2 0 7 3 Cleaning and Disinfection after washing and then reinsert the rubber bag sSs orel 3ZIS LINav Ova NOUVIANI Xalv dino HOTA a I97jswousuneg u a i Figure 7 1 Replace the rubber bag in the cuff To replace the rubber bag in the cuff first place the bag on top of the cuff so that the rubber tubes line up with the large opening on the long side of the cuff Now roll the bag lengthwise and insert it into the opening on the long side of the cuff Hold the tubes and the cuff and shake the complete cuff until the bag is in position Thread the rubber tubes from inside the cuff and out through the small hole under the internal flap 6 Disposable cuffs a
29. curve when The system cannot perform measurement analysis or calculation Check the connection of each part and the patient situation Measure again if the failure still exists contact the manufacturer for repair CUFF TYPE ERR Perhaps the used cuff does not fit the setup patient type Check if the patient type is set up correctly Check the connection of each part or replace with a new cuff If the failure still exists contact the manufacturer for repair PNEUMATIC LEAK NIBP airway has leaks Check the connection of each part or replace with a new cuff If the failure still exists contact the manufacturer for repair MEASURE FAIL Problem happens when Check the connection of each Al viii Service Manual of PM 8000 Portable Patient Monitor V2 0 System Alarm Prompt measuring the curve The part and the patient situation system cannot perform Measure again if the failure measurement analysis or still exists contact the calculation manufacturer for repair Problem happens when Check the connection of each measuring the curve The part and the patient situation NIBP SYSTEM FAILURE system cannot perform Measure again if the failure measurement analysis or still exists contact the calculation manufacturer for repair Service Manual of PM 8000 Portable Patient Monitor V2 0 Al ix Product Specificati
30. e AC leakage current in the above these fault conditions The maximum current value should be less than 0 05mA 2 2 3 3 2 Press the DC Only key of 501 take turns to operate the Ground key for disconnecting the ground wire the Neutral key for disconnecting the null Service Manual of PM 8000 Portable Patient Monitor V2 0 3 5 Checks and Tests line and the Polarity key for toggling between null line and live wire Test the DC leakage current in the above three fault conditions the maximum current value should be less than 0 05mA 2 2 3 4 Patient leakage current of the application part when network voltage is added 2 2 3 4 1 Press the ECG leak key of 501 then press the arrow on the panel of 501 to select the RA GND item Press the Isolation key and add network voltage Test the leakage current of the added network voltage The maximum current value should be less than 0 05mA 2 2 4 Patient auxiliary current 2 2 4 1 Connection graph for testing is shown in figure 3 4 Connect one end of the 3 core power wire to AC220V network electical source the other end to leakage current testing kit A Insert the 3 core power wire of the 501 analyzer into its output socket Connect the 3 core power wire of the device being to be tested into AC output of 501 Connect the sensors of the application part according to the requirements of C Connect the output RA P of C to the RA binding post of 501 Short circuit connect LA P LL P
31. e pressure inside the blood vessel can be transferred to the outside pressure transducer In this way we can at any time obtain the dynamic waveform of the changing pressure inside the vessel By using specified calculating formula we can calculate systolic diastolic and mean pressures 2 4 Service Manual of PM 8000 Portable Patient Monitor V2 0 Checks and Tests Chapter 3 Checks and Tests I System checks For the conventional testing contents of PM 8000 portable patient monitor please refer to its Operation Manual The information in this chapter is only a brief introduction The following sections are used to emphasize important tests and the information not clearly specified in the Operation Manual 1 Device appearance and installation checks 1 The shell of the device is clean and has no scratches The installation is stable When shaking the device these are no inside leftovers 2 Buttons are smooth and free for operation 3 Labels are complete and sufficient and correct in delivering information 4 Standard configuration is complete the sockets are installed safely 5 Perform vibration test on the overall device before performing following operating tests 2 Safety tests 2 1 Test equipment 1 Safety analyzer 501 PRO 1 2 Leakage current grounding resistance measurement kit 1 3 Connection kit of the application part 1 4 Tinsel 20cm X 10cm 1 2 2 Test procedures 2 2 1 Leakage current to earth 2 2 1 1 Con
32. ection graph for testing is shown in figure 3 2 Connect one end of the 3 core power wire to AC220V network power the other end to leakage current testing kit A Insert the 3 core power wire of safety analyzer B into power output socket of A Connect the 3 core power wire of the device being tested into AC output of 501 Connect the sensor of the application part based on the requirements of C Stick the tinsel A on any position of never let A touch live part protection earth and the application part Connect the red clip RED of the 501 tester onto the tinsel A Connect the SUM terminal of C to the P terminal of A Locate all switches to OFF position AC input L Figure 3 2 Connection graph for leakage current testing between the shell and the earth A grounding resistance leakage current measurement kit B 501 safety analyzer C application part processing kit D device being tested application part A tinsel RED red measurement clip of 501 SUM kit post 2 2 2 2 leakage current between the shell to protection earth in the normal state Service Manual of PM 8000 Portable Patient Monitor V2 0 3 3 Checks and Tests adjust the input voltage by referring to 3 1 2 press the Leakage of the 501 tester and read the leakage current value on the 501 Connect SW respectively press and release the Polarity key Disconnect SW respectively press and release the
33. ectly Check the connection of LL lead wire ECG LA LEAD OFF The LA lead wire of ECG is not connected correctly Check the connection of LA lead wire ECG RA LEAD OFF The RA lead wire of ECG is not connected correctly Check the connection of RA lead wire ECG C LEAD OFF The C lead wire of ECG is not connected correctly Check the connection of C lead wire ECG F LEAD OFF The F lead wire of ECG is not connected correctly Check the connection of F lead wire ECG L LEAD OFF The L lead wire of ECG is not connected correctly Check the connection of L lead wire ECG R LEAD OFF The R lead wire of ECG is not connected correctly Check the connection ofR lead wire SPO2 SENSOR OFF SPO2 sensor is not connected correctly Check the connection of SpO2 SENSOT SEARCH PULSE SPO2 sensor is not connected correctly or the patient arm moves Check the connection of SpO2 sensor Check the current situation of the patient TEMP SENSOR OFF TEMP sensor is not connected correctly Check the TEMP sensor connection of IBP LEAD OFF IBP sensor is not connected correctly Check the connection of IBP SENSOT Service Manual of PM 8000 Portable Patient Monitor V2 0 Al iii System Alarm Prompt ECG NOISE Rather large interference signals appea
34. ensor cleaning and disinfection reusable 1 The TEMP probe should not be heated above 100 C 212 F It should only be subjected briefly to temperatures between 80 C 176 F and 100 C 212 2 The probe must not be sterilized in steam 3 Only detergents containing no alcohol can be used for disaffection 4 The rectal probes should be used if possible in conjunction with a protective rubber cover 5 To clean the probe hold the tip with one hand and with the other hand rubbing the probe down in the direction of the connector using a moist lint free cloth Note Disposable TEMP probe must not be re sterilized or reused Note For protecting environment the disposable TEMP probe must be recycled or disposed of properly 8 SpO2 sensor cleaning and disinfection A Warning A Do not subject the sensor to autoclaving Do not immerse the sensor into any liquid Do not use any sensor or cable that may be damaged or deteriorated 1 Use a cotton ball or a soft mull moistened with hospital grade ethanol to wipe the surface of the sensor and then dry it with a cloth This cleaning method can also be applied to the luminotron and receiving unit 2 The cable can be cleaned with 3 hydrogen dioxide 70 isopropanol or other active reagent However connector of the sensor shall not be subjected to such solution 7 6 Service Manual of PM 8000 Portable Patient Monitor V2 0 Maintenance Chapter 8 Maintenance PM 80
35. ent the disposable transducers or domes must be recycled or disposed of properly Chemical Liquid Sterilization Remove obvious contamination by using the cleaning procedure described previously Select a sterilant that your hospital or institution has found to be effective for liquid chemical sterilization of operating room equipment Buffered gluteraldehyed e g Cidex or Hospisept has been found to be effective Do not use quaternary cationic detergents such as zephiran chloride If the whole unit is to be sterilized immerse the transducer but not the electrical connector into the sterilant for the recommended sterilizing period Be sure that the dome is removed Then rinse all transducer parts except the electrical connector with sterilized water or saline The transducer must be thoroughly dried before storing Gas Sterilization For more complete asepsis use gas sterilization Remove obvious contamination by using the cleaning procedure described previously To inhibit the formation of ethylene glycol when ethylene oxide gas is used as the disinfectant the transducer should be completely dry Follow the operating instructions provided by the manufacturer of the gas disinfectant A Warning A The sterilize temperature must not exceed 70 C 150 F Plastics in the pressure transducer may Service Manual of PM 8000 Portable Patient Monitor V2 0 7 5 Cleaning and Disinfection deform or melt above this temperature VI TEMP s
36. es should be cleaned first Appropriate disinfecting materials for ECG lead SpO2 sensor blood pressure cuff TEMP probe IBP sensor are introduced Operation Manual respectively 7 2 Service Manual of PM 8000 Portable Patient Monitor V2 0 Cleaning and Disinfection A Caution A Do not use EtO gas or formaldehyde to disinfect the monitor IV Precautions and cleaning A Warning A Before cleaning the monitor or the sensor make sure to turn off the power and disconnect the AC power If ECG cable is damaged or aged replace with a new ECG cable 1 Cleaning PM 8000 monitor and sensor surface can be cleaned with hospital grade ethanol and dried in air or with crisp and clean cloth 2 Sterilization To avoid extended damage to the equipment sterilization is only recommended when stipulated as necessary in the Hospital Maintenance Schedule Sterilization facilities should be cleaned first 3 Materials recommended for use in sterilization Ethylate 70 ethanol 70 Acetaldehyde 4 Disinfection To avoid extended damage to the equipment disinfection is only recommended when stipulated as necessary in the Hospital Maintenance Schedule Disinfection facilities should be cleaned first 5 Cuff maintenance and cleaning A Warning A 1 Do not squeeze the rubber tube on the cuff 2 Do not allow liquid to enter the connector socket at the front of the monitor to avoid damaging the monitor 3 Do not wipe the inner part of the connector so
37. esensaees 5 1 E Unpack spect on iria 5 1 II Preparations before POWer ON ccccecscccsssecessecseneeeeneeceeeessceeseceeeeseeesseeesseeeseaseeeaeeseeeensaeenes 5 1 Ill Turn on the Ads 5 1 TV Other precautions eeessssessssesssnessnnensnnennnnennnennnennnnnnnnnennsennnennnsnnnnsnennsnennnnensssnnsnsennsnennnnn 5 1 Chapter 6 Basic Operations IS Bhat AR el Ae a ni ie A 6 1 Service Manual of PM 8000 Portable Patient Monitor V2 0 1 T B sic opet tion guidance its 6 1 TE UsesPM 8000 is 2 22 23 a2 2 ti ae 6 1 Chapter 7 Cleaning and DisIMfecCtiON oooonooccnonccnoncnconnncnonncnon conan conan oncononcnnn nono n non nnnnnn nn nan r nono nncnnnrnnannos 7 1 I Maintenanee checksur Da det 7 1 Il Gener lseleaning as usa Rare en SE A A ROS 7 1 TDS teria Za trons 0 520222 AA A a 7 2 IV Precautions and lei sanos 7 3 V IBP transducer cleaning and disinfection reusable ueennesneseennnenenennnnnn 7 4 VI TEMP sensor cleaning and disinfection reusable o oooonnoccnnnccnonccnoncncnnnnconnncnnnnononcnnoncnonos 7 6 Chapter 8 Maintenance ai RR ern ae ee eek ead Medd ia 8 1 Chapter I Network Lak ia a RR A A SES A E R 9 1 I Network performance ccccccescceesscesseeeeseeceseeceesecesseecsseecssaecseneeceseesnaeeensaeeseseeeeeeseneeensaeenes 9 1 1 Applieationz u nee nl nannte 9 1 Appendix I System Alarm Prompt eesssessseessssessnnessnnennnnennnnennnennnnennnnennnnnnnsnennnnennnse nennen Al i Appe
38. f the menu is also fixed covering the lowest 3 4 or 5 waveforms If the system exits the menu the screen will restore its previous look The waveforms are refreshed in a user set rate Refer to the related chapters for details of sweep speed Parameter Area Parameters are displayed at a fixed position O They are from top to bottom 1 4 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction BED No 1 ADU ai Zhang shan M P un 100 HIGH D mr X 21 09 mie 3 120 70 a ee gt x 6 Be 7 8 Figure 1 3 Main Screen ECG Heart Rate Unit bpm ST segment analysis of Channel 1 amp 2 Unit mv Arrhythmia PVCs events 8 Unit event min NIBP From left to right Systolic Mean Diastolic Unit mmHg or kPa SpO2 SpO2 6 Unit IBP Blood Pressure Systolic Mean and Diastolic values are displayed from left to right Unit mmHg or kPa RESP Respiration Rate O Unit breath min TEMP Temperature 8 Unit C or F Service Manual of PM 8000 Portable Patient Monitor V2 0 1 5 Introduction The above monitoring results are displayed in the Parameter Area The parameters refresh every second except that the NIBP value refreshes each time when the measurement is over User can select the monitor parameters and the screen display will change accordingly Alarm indicator and alarm status In normal mode no indicator lig
39. he instructions for use or the electrical installation of the relevant room does not comply with NFPA 70 National Electric Code or NFPA 99 Standard for Health Care Facilities Outside the United States the relevant room must comply with all electrical installation regulations mandated by the local and regional bodies of government Service Manual of PM 8000 Portable Patient Monitor V2 0 III Return Policy Return Procedure In the event that it becomes necessary to return a unit to Mindray the following procedure should be followed l Obtain return authorization Contact the Mindray Service Department and obtain a Customer Service Authorization Mindray number The Mindray number must appear on the outside of the shipping container Return shipments will not be accepted if the Mindray number is not clearly visible Please provide the model number serial number and a brief description of the reason for return 2 Freight policy The customer is responsible for freight charges when equipment is shipped to Mindray for service this includes customs charges Company Contact Address Mindray building keji 12 road south hi tech industrial park nanshan Shenzhen P R China Phone 86 755 26582658 26582888 Fax 86 755 26582680 Free hot line 86 800 830 3312 EC Representative Name Shanghai International Holding Corp GmbH Europe Address Eiffestrasse 80 D 20537 Hamburg Germany Phone 49 40 2513174 Fax 49 4
40. he recording time is set in RT REC TIME of RECORD submenu Refer to related sections for details Press during recording to stop the recording When in FREEZE mode press to select the waveforms for report printout Refer to Chapter Recording for details START Press to inflate the cuff to start a blood pressure measurement When measuring press to cancel the measurement and deflate the cuff Rotary Knob This knob can be used to select and change the settings Operation can be performed by turning it clockwise counterclockwise or pressing it down Rotary Knob The square frame that moves when the knob is being turned is called cursor Operation can be executed at any place where the cursor can stay When no menu is displayed turning the knob clockwise can select following hot keys Service Manual of PM 8000 Portable Patient Monitor V2 0 1 7 Introduction Channel 1 ECG lead Channel 1 ECG gain ECG filter Channel 2 ECG lead Channel 2 ECG gain IBP Label ECG menu SpO2 menu NIBP menu IBP menu RESP menu TEMP menu When the current cursor is placed at any of the first six items the user can change the current settings When at any of the last six items related parameter menu could be called up for setting changes 2 3 Interfaces For the convenience of operation different interfaces are in different parts of the monitor Recorder is on the left side of the monitor while sockets for patient cables and sensors are o
41. hts In alarm mode the alarm indicator lights or flashes The color of the indicator indicates the alarm level 2 2 Button Functions e POWER BATT o Sp FREEZE SILENCE A 6 REC STOP NIBP Figure 1 4 PM 8000 Buttons and Knob All the operations of PM 8000 can be performed through using the buttons and the rotary knob at the bottom of the screen Above the buttons are their respective names They are from left to right POWER Press to turn on off the monitor FREEZE When in normal mode press to enter Freeze mode to freeze all the waveforms on the screen When in Freeze mode press to restore the waveform refreshing 1 6 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction SILENCE Press to suspend alarm for 3 minutes it can be selected in ALARM SETUP menu Press this button for more than 1 seconds to disable all sound signals heart beat pulse tone key sound and audio alarm A symbol H displays in the Message Area Press this key again to restore all sound signals and remove the M symbol NOTE If new alarm occurs under Alarm Suspension Silence state Suspension Silence state will change For specific rules see Chapter Alarm NOTE Whether an alarm will be reset depends on the status of the alarm cause But by pressing SILENCE button can permanently shut off audio sound ofthe ECG Lead Off and SpO2 Sensor Off alarm DREC STOP Press to start a real time recording T
42. ing to be tested into AC output of 501 Connect the sensors including RA LA LL RL V NIBP SpO2 TEMPI TEMP2 and IBP of the application part based on the requirements of C Connect the output SUM of CO to the RA post of the 501 tester Locate all the switches on the connecting kit of the application part to OFF position 3 4 Service Manual of PM 8000 Portable Patient Monitor V2 0 Checks and Tests AC input Figure 3 3 Connection graph for leakage current testing between application part patient and the earth A grounding resistance leakage current testing kit B 501 safety analyzer C application part processing kit OM device being tested application part P3 sensor connected with the patient RA RA terminal of ECG measuring post of 501 SUM kit post 2 2 3 2 Patient leakage current in the normal state adjust the input voltage by referring to 3 1 2 Press the ECG leak key of 501 then press the arrow on the panel of 501 to select the RA GND item The measured leakage current should be less than 0 01mA 2 2 3 3 Patient leakage current in single fault condition 2 2 3 3 1 Press the ECG leak key of 501 then press the arrow on the panel of 501 to select the RA GND item Take turns to operate the Ground key for disconnecting the ground wire the Neutral key for disconnecting the null line and the Polarity key for toggling between null line and live wire Test th
43. interface Through the way of time sharing sampling the LVDS interface converts multi way CMOS TTL signals into one way low voltage double frequency difference signals which are further to be output to the outside LVDS interface is generally realized by special integrated circuit The special LVDS chip used for display is DS90CF363A This chip converts 18 way display pixel signals and 3 way display control signals with a total of 21 way messages into 3 way LVDS signals Four ways of difference signals including these 3 ways of signals and a way of phase locked frequency are transmitted to the display screen On the one side of the screen these signals are restored for driving the screen The working frequency of DS90CF363A is 20 65MHz E Reset and parameter storage The main control board uses an integrated chip CS124C161 which has the functions of both power on reset and parameter storage This chip has a E PROM with the capacity of 2K It can be used to on line modify and store various nonvolatile parameters of the host The power on reset and WATCHDOG functions are used to realize reset function of the main control board When J1 is open circuit the software can also disable WATCHDOG by using the output wire PPO of CPU in order to realize the selftest of WATCHDOG The bus interface of this chip is PC E Data storage The Main control board uses one non power down SRAM having its internal battery to store monitoring data Its capacity is 2M Ml
44. ists are leaks in the airway contact the manufacturer for repair Check the airway of NIBP to see if there are clogs Then During NIBP measurement NIBP ILLEGALLY RESET measure again if the failure illegal reset occurs still exists contact the manufacturer for repair NIBP COMM ERR Service Manual of PM 8000 Portable Patient Monitor V2 0 The NIBP communication part has problem Execute the reset program in the NIBP menu If the failure Al vii System Alarm Prompt still exists contact the manufacturer for repair LOOSE CUFF AIR LEAK The NIBP cuff is connected correctly The NIBP cuff is connected correctly or are leaks in the airway not not there Re connect the NIBP cuff Check the connection of each part or replace with a new cuff If the failure still exists contact the manufacturer for repair OVER PRESSURE Perhaps folds exist in the airway Check for the smoothness in the airway and patient situation Measure again if the failure still exists contact the manufacturer for repair SIGNAL SATURATED Problem happens measuring the curve when The system cannot perform measurement analysis or calculation Check the connection of each part and the patient situation Measure again if the failure still exists contact the manufacturer for repair TIME OUT Problem happens measuring the
45. itoring device 2 Plug the cable into proper socket before powering on the VGA monitor 3 It is allowable to power on the VGA monitor and PM 8000 at the same time Or power on PM 8000 after turning on VGA monitor Adjust brightness and contrast properly 4 Y Socket Equipotential grounding terminal for connection with the hospital s grounding system ANALOG OUTPUT Socket Analog signal output terminal for connection with oscillometer and pen recorder The connection terminal is a BNC Jack Network Interfaces Socket Standard RJ45 Socket A Warning A Through network interface only MINDRAY Clinical Information Center can be connected in A Warning A Accessory equipment connected to the analog and digital interfaces must be certified according to the respective IEC standards e g IEC 60950 for data processing equipment and IEC 60601 1 for medical equipment Furthermore all configurations shall comply with the valid version of the system standard IEC 60601 1 1 Everybody who connects additional equipment to the signal input part or signal output part configures a medical system and is therefore responsible that the system complies with the requirements of the valid version of the system standard IEC 60601 1 1 If in doubt consult the technical service department or your local representative 2 4 Built in rechargeable battery PM 8000 Portable Patient Monitor is equipped with a rechargeable battery The battery i
46. l or has interference Q Electrodes are connected incorrectly There is suspending electrode film 3 AC power has no grounding wire ECG filter way is incorrect ECG RESP module is damaged correctly connect electrode films remove electrode films that are not used Suse 3 wire power select appropriate filter way replace ECG RESP module No RESP waveform or RESP waveform is abnormal Electrodes are connected incorrectly 2 Patient is moving constantly 8 ECG RESP module is damaged Quse RL LL electrode connect to the correct positions 2 keep patient quiet 3 replace ECG RESP module TEMP value is incorrect Measuring sensor is poorly connected connect TEMP sensor stablely HR value is inaccurate Arr And ST analysis are ECG waveform is not good Adjust the connection to make the ECG waveform become normal Service Manual of PM 8000 Portable Patient Monitor V2 0 4 5 Troubleshooting incorrect NIBP cuff cannot be inflated Air way is folded or has leakage Madjust or repair the air way Blood pressure cannot be measured occasionally Cuff becomes loose or patient is moving Keep the patient quiet bind the cuff correctly and safely Error of blood pressure measurement is too great Cuff size does not fit the patient 2 NIBP module has bad performance
47. ltage keep stablely at 253V Press the Ground key of the 501 tester and disconnect the grounding wire 2 2 1 3 Leakage current between network source and earth in normal state press the Leakage key of the 501 tester and read the leakage current value on it Connect SW12 in the condition that the application part is connected to the earth respectively press and release Polarity key to toggle between the null line and the live wire Then disconnect SW12 and cut off the connection between the application part and the earth Respectively press and release the Polarity key The maximum value of these four measurements should be less than 0 5mA 2 2 1 4 Leakage current between network source and the earth in single fault condition Leakage current when connection between null line and live wire is being cut off press the Leakage key of the 501 tester Then press the neutral key of the 501 tester disconnect N line Respectively press and release the Polarity key to toggle between null line and live wire and imitate the condition that L line is 3 2 Service Manual of PM 8000 Portable Patient Monitor V2 0 Checks and Tests disconnected Read the leakage current value on the 501 tester Connect SW12 respectively press and release the Polarity key Disconnect SW12 respectively press and release the Polarity key The maximum value of these four measurements should be less than 1 0mA 2 2 2 Shell leakage current 2 2 2 1 Conn
48. m A HyperVisorlll Central Station can connect up to 64 bedside monitors At the Central Station the user can view all waveforms and parameters of the networked bedside monitors However the user cannot modify the setups of the networked bedside monitors at the Central Station I Network performance 1 The maximum length between the bedside monitor and the Central Station using Hub is 100m 2 The maximum time length required from starting up the monitor to the successful networking is 40 seconds 3 Network data delay lt 5 seconds The bedside monitor has Plug amp Play function that is the user can dynamically plug in out the network connector connected to PM 8000 without the need to first switch off the power II Application 1 Mindray technical personnel are responsible for analyzing the layout of the network system and executing wiring and installing 2 Perform trial link after verifying that the network connection is correct 3 When connected to the same Central Station bedside monitors must have their unique serial numbers Otherwise it may lead to linking failure Service Manual of PM 8000 Portable Patient Monitor V2 0 9 1 System Alarm Prompt Appendix I System Alarm Prompt PROMPT CAUSE MEASURE When battery voltage is too BATTERY VOLTAGE TOO low the monitor will Use AC power supply LOW automatically shut down within 5 minutes XX value exceeds the higher XX TOO HIGH Check if
49. menu select the item that the alarm volume is in Non close Another method is to press the SILENCE button so as to make the mark change into a x Then press SILENCE button again the system will immediately restores the normal alarm status 4 Alarm message is displayed always at the extreme right area on the screen 5 When waveforms on the screen are frozen FREEZE window appears at the bottom of the screen Waveform Menu Area Five waveforms can be displayed at the same time The waveforms from up to down are 2 channels of ECG waveforms SpO2 Plethysmogram IBP RESP possibly coming from ECG module Waveforms to be displayed are user selectable Refer to Tracing Waveforms Selection in Operation Manual for details The names of the waveforms are displayed to their left The names of ECG and IBP are user selectable Refer to Chapter ECG RESP Monitoring and Chapter IBP Monitoring in Operation Manual for details Gain and filter of this ECG channel are displayed as well A Imv scale is marked on the right of ECG waveform The IBP waveform scale is displayed in IBP wave area The three dot lines from up to down respectively represent the highest scale reference scale and lowest scale of the waveform These values can be manually set Refer to Chapter IBP Monitoring in Operation Manual for IBP setup The same menu always appears at a fixed area on the screen When the menu is displayed some waveforms become invisible The size o
50. n the Monitor can automatically recharge when AC INPUT is connected until it is full A symbol me is displayed 1 10 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction on the bottom of the screen to indicate the status of recharging in which the black part represents the relative electric energy of the battery If the battery is not installed in PM 8000 battery state will be displayed as to indicate the state Under the cable socket is the battery slot with cover A Warning A Don t pull off battery when the monitor is working When operating on battery the monitor will prompt alarm and shut off automatically when the energy is low When the electric energy is going out the monitor will sound continuous level 1 alarm beeping and display BATTERY TOO LOW in the Message Area Connect the monitor to AC power at this moment can recharge the battery while operating If keep operating on the battery the monitor will shut off automatically about 5 minutes since alarming upon exhaustion of the battery Figure 1 7 Battery slot cover IN Hardware principle PM 8000 block diagram TFT Disp hy G 8 4 inchs FAN 800 X 600 xl Alm LED P1 P5 J6 P4 TFT_DIGTAL 2 Key amp Ahm P C B P2 CRT P10 J7 E P3 FOR 9000 VGA P12 P7 BDM Speaker Pll HostP C B PowerSupply PCB J5 P13 X1 RecomlerM oduk P17 FOR 509C a x2 TO X4 P15 P16
51. n the right side See the figure below DsSpo2 sensor socket IBP sensor socket TEMP probe socket DECG cable socket ONIBP cuff socket Figure 1 5 Right side view 1 8 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction AN This symbol means BE CAREFUL Refer to the manual O ficats that the instrument is IEC 60601 1 Type CF equipment The unit displaying this symbol contains an F Type isolated floating patient applied part providing a high degree of protection against shock and is suitable for use during defibrillation standard RJ45 socket 2 analog output equipotential terminal 3 VGA interface power switch Figure 1 6 Rear panel Monitor interface for external standard VGA color monitor Working mode 640 x 480 16 color APA mode Signal analog RGB 0 7 Vpp 750 ohm Hor Vert TTL pos Neg Interface D sub 15 pin Pinl Red Video Pin2 Green Video Pin3 Blue Video Pin4 Ground Pin5 NC Pin6 Red Ground Pin7 Green Ground Pin 8 Blue Ground Pin 9 NC Pin 10 Ground Pin11 NC Service Manual of PM 8000 Portable Patient Monitor V2 0 1 9 Introduction Pin 12 NC Pin 13 Horizontal Sync Pin 14 Vertical Sync Pin 15 NC Appliance Installation 1 Install the VGA monitor at a place at least 1 5m away from the patient The VGA monitor must be installed at least 1 5m away from the patient This monitor is used only as an assistant mon
52. nals simulator 2 Testing procedures Use measuring cable to connect thesimulator into the ECG socket of PM 8000 2 Confirm if the number of ECG waveforms displayed on the screen is consistent with that indicated in the ECG MENU and Factory MENU 3 In default configuration select lead II for ECG1 and lead I for ECG2 if there is ECG2 4 Check if ECG waveforms and RESP waveforms are normally displayed Set up the parameters of the simulator as following HR 30 gainX4 RR 15 Check if the displayed ECG and RESP waveforms HR and RR values are correct Change the simulator configuration HR 240 RR 120 Check if the displayed ECG and RESP waveforms HR and RR values are consistent with the parameters set up on the simulator Service Manual of PM 8000 Portable Patient Monitor V2 0 3 9 Checks and Tests 9 Make the ECG lead fall off in this condition the PM 8000 should immediate give alarm 2 Testing NIBP 1 Testing tool NIBP simulator 2 Testing procedures Use the NIBP simulator with calibrating function Calibrate the blood pressure pump and determine its accuracy according to the calibrating method given in the Operation Manual If it passes the calibration continue to perform following tests Select Adult mode for both simulator and PM 8000 2 Select a group of blood pressure values within the measurement range on the NIBP simulator such as NS 90 NM 70 ND 60 8 Check if the actual measured values of PM 8000 are
53. nding any damage on the monitor stop using the monitor on patient 4 The overall check of the monitor including the safety check should be performed only by qualified person once every 6 to 12 month and each time after fix up 5 Check the synchronism of the defibrillator according to the maintenance plan of the hospital at least every 3 months and by a qualified customer service technician II General cleaning 1 The PM 8000 Patient Monitor must be kept dust free 2 It is recommended to regularly cleaning the monitor shell and the screen Use only non caustic detergents such as soap and water Note Please pay special attention to the following items to avoid damaging PM 8000 1 Avoid using ammonia based or acetone based cleaners such as acetone 2 Most detergents must be diluted before use Follow the manufacturer s directions carefully for dilution 3 Don t use the grinding material such as steel wool etc 4 Don t let the detergents enter into the chassis of the system Do not emerge any part of the device into any liquid 5 Don t leave the detergents on any part of the device surface 6 Except for those detergents listed in NOTE part following disinfectants can be used on the Service Manual of PM 8000 Portable Patient Monitor V2 0 7 1 Cleaning and Disinfection instrument E Diluted Ammonia Water EM Diluted Sodium Hyoichlo Bleaching agent Note The diluted sodium hyoichlo from 500ppm 1
54. ndix IT Product Specifications cccccccssscsssseeeseeesseeesseeceeeeeeeecseeesseeeseseeeeeeeseeesseeessaeeeeaes AI i Classic iii las RER lsikie AIl i De SPCC CatlOns NN AIl i 2 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction Chapter 1 Introduction I General Environment Temperature Working Transport and Storage Humidity Working Transport and Storage Altitude Working Transport and Storage Power Supply 0 40 C 20 60 C 15 95 10 95 500 to 4 600m 500 to 13 100m 100 240 V AC 50 60 Hz Pmax 100V A FUSE T 1 6A PM 8000 Portable Patient Monitor Figure 1 1 is adaptable to adult pediatric and neonatal usage It can monitor vital signals such as ECG Respiratory Rate SpO2 NIBP TEMP and IBP It integrates parameter measuring modules display and recorder into one device featuring in compactness lightweight and portability Replaceable built in battery facilitates the transportation of patient Large high resolution display provides clear view of 5 waveforms and full monitoring parameters PM 8000 Portable Patient Monitor performs monitoring of ECG Heart Rate HR 2 channel ECG waveforms Arrhythmia and S T segment analysis optional RESP Respiratory Rate RR Respiration Waveform spO2 Oxygen Saturation SpO2 Pulse Rate PR SpO2 Plethysmogram NIBP Systolic Pressure NS Diastolic Pressure ND Mean Pressure NM
55. nection graph for testing is as shown in figure 3 1 Connect one end of the 3 core power wire to AC220V network power the other end to the leakage current testing kit A Insert the 3 core power wire of safety analyzer B into power output socket of A Connect the 3 core power wire of the device being tested into AC output of 501 Connect the sensor of the application part based on the requirements of C Connect the red measurement clip RED of 501 to the ground protection PE terminal Connect the SUM terminal of C to the P terminal of A Locate all switches to OFF position A grounding resistance leakage current measurement kit B 501 safety analyzer C application part processing kit Daseax2 device being tested Service Manual of PM 8000 Portable Patient Monitor V2 0 3 1 Checks and Tests application part RED 501 red measurement clip SUM kit post AC input L Figure 3 1 Leakage current testing connection between grounding terminal and the earth 2 2 1 2 Adjust input voltage When the device being tested is in shutdown state connect leakage current measurement kit A with the input network voltage AC220V Adjust the booster to raise the testing voltage to 110 that is 253V of the nominal voltage 230V This voltage is monitored by the voltage meter of A Then turn on the device to let the device be in the operating state micro adjust the booster to make the output vo
56. nths for multi site probes and SpO2 sensor from date of shipment under normal use and service Mindray s obligation under this warranty is limited to repairing at Mindray s option any part which upon Mindray s examination proves defective THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANT ABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE Exemptions Mindray s obligation or liability under this warranty does not include any transportation or other charges or liability for direct indirect or consequential damages or delay resulting from the improper use or application of the product or the substitution upon it of parts or accessories not approved by Mindray or repaired by anyone other than a Mindray authorized representative This warranty shall not extend to any instrument which has been subjected to misuse negligence or accident any instrument from which Mindray s original serial number tag or product identification markings have been altered or removed or any product of any other manufacturer Safety Reliability and Performance Mindray is not responsible for the effects on safety reliability and performance of the PM 8000 Portable Patient Monitor if M assembly operations extensions re adjusts modifications or repairs are carried out by persons other than those authorized by Mindray HM the PM 8000 Portable Patient Monitor is not used in accordance with t
57. oard 11 TFT screen assebmly 3 6200 ECG TEMP RESP board 12 Power board 4 6200 SpO2 board 13 Speaker assembly 5 Battery hook 14 Cross panhead screw M3x6 6 ECG insulation film 15 Recorder power wire 7 Parameter sockets assembly 16 Recorder insulation film 8 6200 recorder power board 17 Power supply insulation film 9 NIBP IBP bracket assembly II Troubleshooting guidance In transportation storage and use of PM 8000 various factors such as unstable network voltage changing environmental temperature falling down or impact component aging may all result in PM 8000 failures and therefore affect normal application of the device In failure conditions professional personnel with the experience of repairing electronic medical devices should perform component level upkeep as per the failure classification listed in the table below Component level upkeep means based on analyzing replacing or trial operating component we can pinpoint the failure on a certain component of the device such as power board main control board TFT assembly measuring cable or parameter module etc Repair of only some components means component level repair The repair operation must be conducted by a service engineer with abundant experience and with the assistance of special equipment and in specific environment and conditions 4 2 Service Manual of PM 8000 Portable Patient Monitor V2 0 PM 8000 Component level Service Table 2 1 Device failures Troubleshoo
58. odulated high frequency signals which are then demodulated and amplified into electronic signals varying with the respiration changes and then transmitted to analog digital converter RESP module is made up of a respiration circuit board and a coupling transformer The circuit includes such parts as oscillation coupling demodulation preliminary amplification and high gain amplification etc 2 3 NIBP The monitor measures non invasive blood pressure using the oscillometric method Following are detailed measurement procedures Inflate the cuff encircled around the upper arm until the pressure in the cuff blocking the blood flow in the artery of the upper arm Then deflate the cuff according to the requirement of a certain algorithm With the pressure decreasing in the cuff the artery blood will palpitate with the pulse which results in pulsation in the cuff Through the pressure sensor connected with the inflating pipe of the cuff a pulsation signal palpitating with the pulse will be generated After being filtered by a high pass filter about 1Hz this signal becomes pulsating signal and is amplified Then the amplified signal is converted into digital signal by A D After using the single chip to process this digital signal we may obtain systolic pressure diastolic pressure and mean pressure Be careful to choose appropriate cuffs for neonatal pediatric and adult patients so as to avoid generating measurement errors NIBP module also has pro
59. of the monitor and status of the patient The messages and their meanings are BED No Bed number of the patient being monitored 3 1 2001 Current date 10 23 45 Current time M F Sex ofthe patient being monitored NAME name of the patient being monitored When the user is entering patient name the name will be displayed at this position If no patient name is entered this position will be blank Other information in the Message Area comes up only with respective monitoring status They are 1 Signs indicating the operating status of the monitor and the sensors are displayed at the right side of time numeric When appears this message will cover the sex and name information of the patient 2 W Indicates that all sounds are disabled manually It appears when SILENCE button is pressed for more than 1 seconds 3 X is the sign indicating that the alarm volume is closed When select the OFF option in the ALARM SETUP menu this mark appears indicating that the operator has permanently closed the Service Manual of PM 8000 Portable Patient Monitor V2 0 1 3 Introduction audio alarm function This audio alarm function can resume only after the operator discharges the setup of Close Alarm Volume NOTE When x sign appears the system can not give any audio alarm prompt Therefore the operator should be careful in using this function One method of discharging this status is in the ALARM SETUP
60. on All vi 25 to 240 SBPM Service Manual of PM 8000 Portable Patient Monitor V2 0 Product Specifications Saturation SpO2 1 Pulse Rate bpm 1 TEMPERATURE Channel 2 IBP Measuring and Alarm Range 0 50 C Resolution 0 1 C Accuracy 0 1 C Actualization interval about Is Average Time Constant lt 10s Channel 1 Label ART PA CVP RAP LAP ICP P1 P2 Measuring and alarm range ART 0 300 mmHg PA 6 120 mmHg CVP RAP LAP ICP 10 40 mmHg P1 P2 50 300 mmHg Press Sensor Sensitivity 5 uV V mmHg Impedance 300 3000 Q Resolution 1 mmHg Accuracy 2 or 1mmHg which great Actualization interval Service Manual of PM 8000 Portable Patient Monitor V2 0 about 1s All vii P N 8000 20 10282
61. ons Appendix Il Product Specifications 1 Classification Anti electroshock type Class I equipment and internal powered equipment EMC type Class A Anti electroshock degree ECG RESP SpO2 NIBP TEMP IBP CF Harmful liquid proof degree Ordinary equipment sealed equipment without liquid proof Working system Continuous running equipment 2 Specifications Size and Weight Size 260mm x 137mm x 244mm Weight 4 5 kg Environment Temperature Working 0 40 C Transport and Storage 20 60 C Humidity Working Transport and Storage Altitude Working Transport and Storage Power Supply Display Device 15 95 10 95 no coagulate 500 to 4 600m 500 to 13 100m 100 240 VAC 50 60 Hz Pmax 100VA FUSE T1 6A Service Manual of PM 8000 Portable Patient Monitor V2 0 All i Product Specifications 8 inch Color TFT 800 x 600 Resolution 3 LED indictors Messages 5 Waveforms Maximum 1 Alarm LED Yellow Red 1 Working LED Green 1 Battery recharge Standby LED Yellow 3 Sound Mode corresponding Alarm Mode Signal Interface External Display Standard VGA See detail information in Chapter 1 4 AUX Output BNC ECG Output Sensitivity 1 V mv 5 reference 10Hz BNC Impedance 50 ohm Signal Delay ECG 25ms IBP Output Sensitivity 1 V 100mmhg 5 reference 1Hz Impedance 50 ohm Signal Delay IBP 55ms Nurse Call Drive mode Relay Driven Max voltage 36 VDC 25 VAC Max load current 2A
62. op waveform refreshing and freeze all the waveforms on the screen When in freeze mode press this button to restore the waveform refreshing 3 SILENCE Press this button to suspend alarm for 2 minutes in the mean time the countdown indication bar appears on the upper right corner ofthe screen Press this button for relative long time to disable all sound signals including alarm sound heart beat and key sound In the mean time a symbol M appears on the upper side of the screen In the Silence mode press this key for a relative long time to restore all sound signals If press this key for a very short time no operation will be executed 4 REC STOP In Non Freeze mode press this key to start a real time recording During recording process press this key to terminate recording The recording length is decided by the content in the REC TIME option in the MENU RECORD menu In Freeze mode press this key to pop up the PRINT menu in which the user can select the frozen waveform to be printed For detailed information refer to the chapter Record in the Operation Manual 5 NIBP In Non measure mode press this key to inflate the cuff and start a manual NIBP measurement In Measure mode if to give up the measurement press this key to terminate the measurement and deflate the cuff Note In continuous mode pressing this key means not only giving up the measurement but also ending the operating way of continuous measurement II Use
63. ory which is made up of two parallel connected IM X16 bit chips Because no executing program is required to be loaded only one RTC is used This chip uses one 225maH dry cell as the spare power supply In addition one 2KB E PROM is used to store parameters The main control board supports a resolution of 800x600 and provides three interfaces a LVDS interface a 6BIT DIGITAL interface and a VGA interface The monitor displays both characters and waveforms in an overlapping way on the whole screen in the same color The characters and waveforms can be browsed in a scrolling way The support system needs 10 serial ports and the baud rate 4800 9600 19 2k 38 4k 76 8k can be online selected by software and interface buffer drives The main control board adopts the network controller AX88796 3 3V 10MHz which has inside 16K high speed buffer SRAM The MAX5102 8 bit single way D A converter is used to fulfil analog output 5V and 12V stabilized voltage supplies are introduced from the power board and therefore 3 3V and 2 5V working supplies are respectively generated Among them 2 5V is to be used for the internal verification of FPGA Service Manual of PM 8000 Portable Patient Monitor V2 0 1 13 Introduction 3 3 Structure diagram RTC E PRO M Watch Display driving Network circuit controller Interrupt Audio manageme Multi way alarm spare nt circuit serial battery Figure 1 10 Structure diagram 3 4 Description
64. ound and rotary encoder sound through controlling the time length of the conduction of P3 2 Together with R17 R18 or R19 R10 may respectively construct potential dividing network of different proportion and consequently control the state of P3 4 and P3 7 decide make and break of Q2 and Q3 so as to realize the function of adjusting 3 level sound volume E RC bandpass filter The alarm signal is square waveform with the frequency of about 700Hz To remove the DC component low frequency component in the square waveform a one phase bandpass filter is added before LM386 This filter is made up of R22 C13 C11 and the input resistance Rin of LM386 E Audio amplifying circuit constructed by LM386 Generation of the visual alarm signal The flashing of the indicator in red or green is realized by controling the state of singlechip P1 6 and P1 7 Scanning of buttons and encoder Determine whether a button or the encoder is pressred through the way of scanning the state of singlechips P1 0 P1 2 Determine whether encoder is turned and its turning direction by scanning the state of P1 4 and P1 5 3 5 2 Important measurement points 1 16 Service Manual of PM 8000 Portable Patient Monitor V2 0 Introduction 1 Test if the 5V power supply works normally after fuse FU1 2 Test if the crystal oscillator starts oscillating when the voltage is about between 1 5 3 5V 3 6 Maintenance part of TR60 A recorder 3 6 1 Diagram
65. r in the ECG signals Check the connection of ECG lead wire Check the current situation of the patient Check if the patient moves a lot XX represents all the parameter module s in the system such as ECG NIBP SpO2 IBP module etc The alarm limit of XX Contact the manufacturer for XX ALM LMT ERR parameter is modified by repair chance The measured value of XX parameter has exceeded the Contact the manufacturer for XX RANGE EXCEEDED measuring range of the system repair XX represents the parameter name in th e system such as HR ST1 ST2 RR SpO2 IBP NIBP etc When the system displays 2000 1 1 the system gives Re set up the system time It is better to set up the time just after the start up and prior to monitoring the patient After REAL CLOCK NEEDSET this prompt reminding the modifying the time the user user that the current system had better re start up the time is not right monitor to avoid storing error time The system has no cell Install or replace the REAL CLOCK NOT EXIST battery or the battery has run rechargeable battery out of the capacity SYSTEM WD FAILURE The system has serious Re start up the system If the SYSTEM SOFTWARE ERR error failure still exists contact the SYSTEM CMOS FULL manufacturer SYSTEM CMOS ERR SYSTEM EPGA FAILURE SYSTEM FAILURE2 SYSTEM FAILURE3 SYST
66. rcuit is reversely amplified and then fed to the RL of the 5 lead ECG to maintain the human body in a equipotential state This method can reduce the interference and raise the common mode rejection ratio of the circuit 4 lead off detection based on the theory that the lead off may cause the output of the buffer amplifying circuit to change we can use the comparator to accurately determine if the lead has fallen off In this way the level can also be converted into TTI level for the singlechip to test 5 lead connection circuit under the control of singlechip and as per requirement we can connect different lead electrodes into the main amplifying circuit for amplification 6 main amplifying circuit a measurement amplifier constructed by three standard operation amplifiers 7 Last stage processing circuit used mainly to couple ECG signals program control the magnitude of the gain filter the waveform and move the level amplify the signal and send it to the analog to digital converter 2 2 RESP The Monitor measures temperature by measuring the changes in resistance of a thermistor located in the temperature lead When a person is respiring his chest goes up and down This movement equals to 2 2 Service Manual of PM 8000 Portable Patient Monitor V2 0 Monitoring Functions and Principles the impedance changes between electrodes RL and LL The monitor converts the high frequency signals passing through RL and LL into amplitude m
67. re intended for one patient use only Do not use the same cuff on any other patient Do not sterilize or use autoclave on disposable cuffs Disposable cuffs can be cleaned using soap solution to prevent infection Note For protecting environment the disposable blood pressure cuffs must be recycled or disposed of properly V IBP transducer cleaning and disinfection reusable After the IBP monitoring operation is completed remove the tubing and the dome from the transducer and wipe the transducer diaphragm with water Soaking and or wiping with soap can clean the 7 4 Service Manual of PM 8000 Portable Patient Monitor V2 0 Cleaning and Disinfection transducer and cable and water or cleaning agents such as those listed below Cetylcide Wavicide 01 Wescodyne Cidex Lysol Do not immerse the connector in any liquid After cleaning dry the transducer thoroughly before storing Slight discoloration or temporary increase of surface stickiness of the cable should not be considered abnormal If adhesive tape residue must be removed from the transducer cable double seal tape remover is effective and will cause a minimum of damage to the cable if used sparingly Acetone Alcohol Ammonia and Chloroform or other strong solvents are not recommended because over time the vinyl cables will be damaged by these agents Note The disposable transducers or domes must not be re sterilized or re used Note For protecting environm
68. s manual is subject to changes without prior notice PROPERTY OF SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD ALL RIGHTS RESERVED Responsibility on the manufacturer party Service Manual of PM 8000 Portable Patient Monitor V2 0 Mindray is responsible for safety reliability and performance of this equipment only in the condition that e all installation expansion change modification and repair of this equipment are conducted by Mindray qualified personnel and e applied electrical appliance is in compliance with relevant National Standards and e the monitor is operated under strict observance of this manual NOTE This equipment is not intended for family usage A Warning A This monitor is not a device for treatment purpose It is important for the hospital or organization that employs this equipment to carry out a reasonable maintenance schedule Neglect of this may result in machine breakdown or injury of human health Upon request Mindray may provide with compensation necessary circuit diagrams calibration illustration list and other information to help qualified technician to maintain and repair some parts which Mindray may define as user serviceable Il Service Manual of PM 8000 Portable Patient Monitor V2 0 Warranty Workmanship amp Materials Mindray guarantees new equipment other than accessories to be free from defects in workmanship and materials for a period of one year six mo
69. seeeseneeeeeeeeaes 1 14 3 4 Description zu ne as en BAER E RR ee SRH SH 1 14 3 5 Button schematic diagram and principle enenensenssennnnnnnennn 1 16 3 6 Maintenance part of TR60 A recorder ueseeessseessseessseenneennnennnnennnennnneenne nennen 1 17 Chapter 2 Monitor Functions and Principles ooonnnoccnonocionncnonccnonenconnncnnn conan conan cnnononconn nono n non nrnnnnnos 2 1 1 Introd ction zu sce sacar 2 isek acer Beh ke Ben eee eee ert ee eee 2 1 11 ECG RESP parametersa euer e e do 2 2 2 1 ECG 222 2 A A anos 2 2 22 RESP en E A A A A Aen a ea A At E 2 2 2 3 NIBP iii rallada oia 2 3 2 4 8P02 i cssteuenssevedesegeveganesscegenetanscopecetecetacvnadssevehsdovedanedanudedeseysdatadepedetedapevatedanesabedetedanacstanete 2 3 2S LEMPIRAS 2 4 DOBLAN tree etre AA 2 4 Chapter 3 Checks and Tests viii sn ann ana enshaninen 3 1 E System checkssue near Rare IHR 3 1 IL Testing and calibrating each parameter u2sussennessersesnennennennnennennensannnennennensannnenenennnn 3 9 Chapter 4 Troubleshooting c cccccecsscessseessseeesseeesseeessecenseeceseecescecsececesaeeeeseeesseeesaeeseaeeseseeseeeeseees 4 1 I Disassembly graph of each part of PM 8000 uneeessseesssnessnnessnnensnnennnnennnennnnennnenensnennnnennnnn 4 1 Il Troubleshooting SUIS ii hati eh a a el a aaa 4 2 Chapter 5 Installation ccccccccccssecesssceeseeeeseecsseeessceeseecenseecsseeesceesececseseessseeessaecseaeeseaeeeeseeess
70. tection circuit to prevent the cuff from being inflated to a very high pressure The main operating modes of NIBP are 1 adult pediatric neonate select according to the patient shape weight and age 2 manual measurement auto measurement continuous measurement Manual measurement is also called single measurement It means the monitor only performs one measurement for each time Auto measurement means to perform one measurement within selected cycle Time interval can be set up as 1 2 3 4 5 10 15 30 60 90 120 180 240 and 480 minutes Continuous measurement means after being activated the monitor will perform quick measurement continuously within 5 minutes Continuous measurement is effective in monitoring changes of blood pressure 2 4 SpO2 SpO2 Plethysmogram measurement is employed to determine the oxygen saturation of hemoglobin in the arterial blood If for example 97 hemoglobin molecules in the red blood cells of the arterial blood combine with oxygen then the blood has a SpO2 oxygen saturation of 97 The SpO2 numeric on the monitor will read 97 The SpO2 numeric shows the percentage of hemoglobin molecules which have combined with oxygen molecules to form oxyhemoglobin The SpO2 PLETH parameter can also provide a pulse rate signal and a plethysmogram wave Arterial oxygen saturation is measured Service Manual of PM 8000 Portable Patient Monitor V2 0 2 3 Introduction by a method called pulse oximetry It is a con
71. the electrodes and lead wires Check the current situation of Patient suffers from Arr Of the patient Check the BIGEMINY BIGEMINY connection of the electrodes and lead wires Check the current situation of Patient suffers from Arr of the patient Check the TRIGEMINY TRIGEMINY connection of the electrodes and lead wires Check the current situation of Patient suffers from Arr of the patient Check the RON T RONT connection of the electrodes and lead wires Patient suffers from Arr of PVC PVC Patient suffers from TACHY TACHY Patient suffers from BRADY BRADY Patient suffers from Arr of VT gt 2 VT gt 2 Patient suffers from Arr of MISSED BEATS MISSED BEATS Check the connection of the pacemaker Check the connection of PNP The pacemaker is not paced electrodes and lead wires Check the current situation of the patient Check the connection of the No pacemaker signal is pacemaker PNC captured Check the connection of electrodes and lead wires Al ii Service Manual of PM 8000 Portable Patient Monitor V2 0 System Alarm Prompt Check the current situation of the patient ECG LEAD OFF ECG lead is not connected correctly Check the connection of ECG lead wire ECG V LEAD OFF The V lead wire of ECG is not connected correctly Check the connection of V lead wire ECG LL LEAD OFF The LL lead wire of ECG is not connected corr
72. tient and medical personnel from injury it is recommended to use 3 core power wire The power receptacle should be also 3 core type so as to ensure the good grounding performance of the device Do not connect 2 core AC power to the PM 8000 3 When using PM 8000 and other medical devices at the same time safely connect the equipotential post on the rear panel of PM 8000 with equipotential posts of other devices 4 Do not put PM 8000 in any place having liquid leakage HI Turn on the power 1 Connect the 3 core power plug into the AC receptacle 2 Press the power button on the panel of PM 8000 wait for about 10 seconds the Start up picture appears on the screen followed by the displays of waveform scanning lines and data screen IV Other precautions 1 When using PM 8000 and other medical devices at the same time requirements regarding power distribution of medical equipment must be abided by for fear that the leakage currents of devices overlap and consequently injury the patient or the medical personnel 2 Do not use PM 8000 in the presence of flammable anesthetics to avoid the hazard of explosion Service Manual of PM 8000 Portable Patient Monitor V2 0 5 1 Basic Operations Chapter 6 Basic Operations I Basic operation guidance On the right side of the front panel of PM 8000 there are following buttons from up to down 1 POWER Used to turn on off the PM 8000 2 FREEZE When in normal mode press this button to st
73. ting Failure Possible cause Solution No display after power on power indicator does not light on fan does not run fuse damage power damage component short circuit replace fuse replace power component anchor the short circuit No display after power on or black screen during operation however power indicator lights on and fan runs normally Characters are displayed normally however waveforms are displayed intermittently main control board failure or display failure Data communication error between main control board and parameter module refer to the information about confirming display failure Based on error prompt replace main control board keyset or parameter module so as to confirm the failure An operation or measurement main control board or examine main control board EURE corresponding component and corresponding component function is disabled damage moment intensive check power supply and Device is occasionally stoned interference of network 2 poor performance of power board poor performance of main control board bad connection of power supply or main control board grounding system 2 replace power board replace main control board 4 replace or repair connectors 2 2 Display failures Failure Possible cause Solution When powering on the de
74. tinuous non invasive method based on the different absorption spectra of reduced hemoglobin and oxyhemoglobin It measures how much light sent from light sources on one side of the sensor is transmitted through patient tissue such as a finger or an ear to a receiver on the other side The sensor measurement wavelengths are nominally 660nm for the Red LED and 940nm for Infrared LED Maximum optical power output for LED is 4 mW The amount of light transmitted depends on many factors most of which are constant However one of these factors the blood flow in the arteries varies with time because it is pulsating By measuring the light absorption during a pulsation it is possible to derive the oxygen saturation of the arterial blood Detecting the pulsation gives a PLETH waveform and pulse rate signal The SpO value and the PLETH waveform can be displayed on the main screen 2 5 TEMP Technical specifications Measurement and alarm range 0 50 C Resolution 0 1 C Accuracy 0 1 C Refreshing time about 1 second Average time constant lt 10 seconds 2 6 IBP IBP monitors arterial pressure central venous pressure and pulmonary arterial pressure Measurement method Stab and implant the catheter into the blood vessel of the part to be measured The end of the catheter located outside human body connects directly with the pressure transducer Injectate normal saline into the catheter Because the liquid can transfer pressure th
75. uring Interval in AUTO Mode 1 2 3 4 5 10 15 30 60 90 120 180 240 480 Min Measuring Period in STAT Mode 5 Min Alarm Type SYS DIA MEAN Measuring and alarm range Adult Mode SYS 40 270 mmHg DIA 10 210 mmHg MEAN 20 230mmHg Pediatric Mode SYS 40 200 mmHg DIA 10 150 mmHg MEAN 20 165 mmHg Neonatal Mode SYS 40 135 mmHg DIA 10 100 mmHg MEAN 20 110 mmHg Resolution Pressure 1mmHg Accuracy Pressure Maximum Mean error 5mmHg Maximum Standard deviation 8mmHg Overpressure Protection Adult Mode 297 3 mmHg Pediatric Mode 240 3 mmHg Neonatal Mode 147 3 mmHg Service Manual of PM 8000 Portable Patient Monitor V2 0 All v Product Specifications SpO2 Measuring Range Alarm Range Resolution Accuracy Actualization interval Alarm Delay Pulse Rate Measuring and Alarm Range Resolution Accuracy MASIMO SpO2 Specification Range Saturation SpO2 Pulse Rate bmp Accuracy 0 100 0 100 1 70 100 0 69 2 unspecified about Is 10s 20 254bpm lbpm 3bpm 1 100 25 240 Saturation SpO2 During No Motion Conditions Adults pediatric 70 100 2 0 69 unspecified Neonates 70 100 3 0 69 unspecified Saturation SpO2 During Motion Conditions Adults pediatric Neonates 70 100 43 0 69 unspecified Pulse bpm During No Motion Condition 25 to 240 3BPM Pulse bpm During Motion Condition Resoluti
76. v mmHg and BP to OmmHg Set up the name of IBP1 to ART Access the PRESSURE ZERO option of IBP SETUP MENU of PM 8000 zero Channel 1 to perform zero calibration for IBP After the zero calibration is successful exit the menu to enter the main screen Set up the BP of the simulator to 200mmHg Access the CALIBRATION menu of PM 8000 to perform calibration operation After the calibration is successful exit the menu Set up the BP of the simulator respectively to 40mmHg 100mmHg and 200mmHg In the mean time the screen should respectively display 40 ImmHg 100 2mmHg and 200 4mmHg Set up the output of the simulator as the ART wave As the result the screen should display the corresponding waveform correctly Plug off the IBP sensor The screen should display IBP SENSOR 1 OFF IBP SENSOR 2 OFF Plug OHMEDA cable into IBP1 channel the display of IBP SENSOR 1 OFF Should disappear from the screen Service Manual of PM 8000 Portable Patient Monitor V2 0 3 11 Troubleshooting Chapter 4 Troubleshooting I Disassembly graph of each part of PM 8000 1 Front panel assembly 6 Main bracket assembly 2 Rear panel assembly 7 Cross panhead cuspless screw PT3x10 3 Battery door 8 Cross panhead screw M3x6 4 Sockets cover 9 Cross panhead screw with gasket M3x8 5 TR60 A recorder Service Manual of PM 8000 Portable Patient Monitor V2 0 4 1 Troubleshooting 1 Main bracket 10 back board assebmly 2 Main control b
77. vice power supply is in normal operation however there is no display or screen goes black backlight board damage connect external VGA display and confirm the failure 2 bad connecting wire of display 2 repair or replace connecting wire Service Manual of PM 8000 Portable Patient Monitor V2 0 4 3 Troubleshooting during normal operation 3 damage of main control board 2 3 Operation recording network linking failure 6 replace main control board Failures Possible cause Solution Keys or rotary encoder is disabled keyboard or rotary encoder is damaged 2 connecting wire of keyboard 1s damaged Replace keyboard or rotary encoder 2 Replace or repair connecting wire of keyboard Sound is raucous or there is no keyboard failure Replace keyboard Sound Speaker or connecting wire Replace speaker or failure connecting wire Recorder has no paper or Install paper and press down paper bar is not pressed down the paper bar 2 Recorder failure 2 replace the recorder Recorder cannot execute en Driving power of the replace the power supply printing operation recorder has failure Connecting wire of the replace or repair the recorder is damaged connecting wire of the recorder Record paper goes out Bad recorder installing or Adjust the installation of deflection positioning recorder

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