Ethan Frome - Artemis Medical
Contents
1. 110 mmHg ImmHg Blood Pressure Accuracy average error and standard deviation according to the requirement in ANSI AAMI SP 10 1992 Maximum Mean error 5mmHg Maximum Standard deviation 8mmHg The SYSTOLIC and DIASTOLIC values measured using this device shall be equal to those measured by trained medical personnel using cuff and stethoscope The MEAN value measured using this device is equal to that measured using endartery blood pressure measurement device Pulse Accuracy Overpressure Protection Adult Mode Neonatal Mode 5 2 SpO2 Measuring Range Alarm Range Resolution Accuracy Pulse Rate Measuring and Alarm Range Resolution Accuracy 5 3 Trend 2bpm or 2 which great 297 3 mmHg 147 3 mmHg 0 100 0 100 1 96 70 100 2 0 69 unspecified 0 2540bpm bpm 2bpm Storage method of trend data combined storage in two ways specified below NIBP store NIBP data each time after one measurement Maximumly store NIBP data of 600 times SpO2 sotre once every 30 seconds the average value of the measured results within these Service Manual of PM 600 Portable Patient Monitor V1 0 iii Specifitions 30 seconds Max storing time is 10 hours 6 Signal Interface To connect Recorder RS 232 serial Interface 7 Recorder optional Type thermal Record Width 48 mm Recording types Real time recording Trend data printing Power Supply 102. When not highlighted the indicator can not be seen on the screen Yellow indicator for built in battery The displaying way is the same as AC indicator Red indicator for NIBP unit mmHg The displaying way is the same as AC indicator Red indicator for NIBP unit kPa The displaying way is the same as AC indicator Of mmHg and kPa indicators only one can be highlighted at one time Red indicator for adult pediatric NIBP measurement mode The displaying way is the same as AC indicator Red indicator for neonatal NIBP measurement mode The displaying way is the same as AC indicator 3 nixie tubes are used together to display systolic pressure in red color When no measured data are available Le e n is displayed instead 3 nixie tubes are used together to display diastolic pressure in red color When no measured data are available ba em emi is displayed instead 3 nixie tubes are used together to display MAP mean pressure or the inside pressure of the cuff in red color When inflating the cuff the inside pressure of cuff is displayed Upon the end of the measurement the NIBP value is displayed When no measured data are available is displayed instead 3 nixie tubes are used together to display the time of 24 hour system TIME or auto cycle time of NIBP measurement TIME or the serial number in the trend review CYCLE 3 nixie tubes are used together to display the Pulse value of SpO2 measurement in
3. 3 6 Service Manual of PM 600 Portable Patient Monitor V1 0 Checks amp Tests 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 A Figure 5 Connection graph to test grounding resistance 2 2 5 2 Testing procedures 2 2 5 2 Between GND of power wire and EP Zero the booster on A Connect black wire of P1 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 shall be less than 5V 2 2 5 2 2 Between GND of power plug and EP Zero the booster Connect black wire of P1 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 2
4. also work because it can be powered by the built in battery The battery with full capacity can support the monitor to work for 2 hours operating conditions temperature is 25 C all monitoring mode perform NIBP measurement once every 15 minutes When powered by the built in battery the yellow BATT indicator on the front panel lights on At the same time the monitor will constantly check the remaining battery capacity When the remaining capacity can only support the monitor to work normally for 5 minutes the yellow BATT indicator begins flashing together with audible alarm sound In this situation the operator should connect the AC power to the monitor to avoid it sudden shutdown If the monitor stops working suddenly when powered by the external AC power the built in battery can automatically begin to power the monitor to ensure its continuous operation Display The screen of PM 600 series monitors consists of some displays made up of LED nixie tubes These displays are used to show the system status and measured results of those parameters in numerical form The appearance of the screen is shown in figure 1 1 SYSTOLIC PULSE 58 8 Service Manual of PM 600 Portable Patient Monitor V1 0 1 1 AC BATT mmHg kPa ADULT NEO SYSTOLIC DIATOLIC MAP CUFF TIME CY CLE PULSE SpO2 Pulse intensity Introduction Figure 1 1 LED Display Red indicator for AC power It is effective when highlighted
5. and other switches to OFF 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 2 2 5 Testing grounding resistance 2 2 5 1 Connection graph for testing ground resistance is shown in figure 5 Note In the graph P1 and P2 are two binding posts 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 1O0mm It is acceptable to use more than 3 pieces of parallel connected 10WAG wires GND is the grounding terminal of either the power wire of the device being tested or the power plug EP is the
6. green color When NIBP and SpO2 are measured at the same time the pulse value displayed is the result of SpO2 measurement When only NIBP is measured the displayed pulse value is the result of NIBP m measurement When no measured data are available is displayed instead 3 nixie tubes are used together to display the SpO2 value in green color When no measured data are available Sa is displayed instead A dedicated LED display is used to display the pulse intensity of SpO2 The display indicates the degree of pulse intensity by the height of light bar During SpO2 measurement the higher the light bar is the stronger the pulse palpitates Service Manual of PM 600 Portable Patient Monitor V1 0 Introduction AN NOTEA When only measuring NIBP the display of PULSE is the measured result from NIBP measurement The system updates the pulse value until the end of NIBP measurement The value will be also saved until the end of next NIBP measurement The measured results of SpO2 include pulse rate PULSE and SpO2 These values are updated at least once per second II Buttons PM 600 has 8 buttons Of different models the functions following table Functional Description of LED display and Buttons of these buttons may be different See Model LED display and buttons PM 600I PM 6001II PM 6001III AC Available Avai
7. 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 D Select Adult mode for both simulator and PM 600 2 Select a group of blood pressure values within the measurement range on the NIBP simulator such as NS 90 NM 70 ND 60 3 Check if the actual measured values of PM 600 are 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 D Connect SpO simulator with the SpO probe of PM 600 2 Set up the parameters of SpO simulator as following SpO5 98 PR 70 3 Check if the displayed SpO and PR values on PM 600 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 600 are consistent with the setup values Make SpO sensor fall off in this condition PM 600 should immediately give alarm 3 8 Service Manual of PM 600 Portable Patient Monitor V1 0 Troubleshooting Chapter 4 Troubleshooting I Disassembly graph of each part of PM 600 top cover power board insula
8. 0 250VAC 50 60Hz iv Service Manual of PM 600 Portable Patient Monitor V1 0
9. 2 5 2 3 Between GND of power plug and each C point Zero the booster on A Connect black wire of Plto 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 P1 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 Service Manual of PM 600 Portable Patient Monitor V1 0 3 7 Checks amp Tests II Test and calibrat each parameter Testing and calibrating follow parameters are to ensure the accuracy of PM 600 portable patient monitor Calibrating operation should be performed at least once a year Calibration should be carried out each time after maintenance 1 Testing NIBP 1 Testing tool NIBP simulator 2 Testing
10. D DISINFECTION e eeeeeeeeen etse tn teen sa tnnt ta tasses tata tn sas n estesa 6 1 Genera Cleanmp 35 0 0eietta ee eU SUR CEU Eee epe nent ut dtr edu de o reduced eu ete dues 6 1 Il Sterilizationm eee eR Ue eR de e ete eene te 6 1 ILE Dist fectOD pe et R e a n Rue p ice Saat eat bat sed dune daa dane 6 1 CHAPTER 7 MAINTENANCE eeeeeeee ense ette ts inen atn tnt tata tns ta nest tota sn sns nest te tasa sss setenta ssa etnia 7 1 APPENDIX SPECIFICATION eeeeeeeee esee eee tn este tata sn aine ta tata sns tn ene to tata ense tata sna v svs seica assas ovo vsisi enn 1 CASSIE Calo irre er eerie e ev eee eee seven E e AUR e VER e euet 1 DS PECIICAUIONS RE NR ES 1 Introduction Chapter 1 Introduction I General PM 600 portable patient monitor is lightweight and compact which weights 1 8kg including battery but not cable and accessories The AC power for the monitor is 100 250V Also the monitor can be connected to the recorder via RS232 interface Electrical Description PM 600 can be powered both by the AC or DC power supply The external AC power supply 100 250V 50 60Hz is connected to the monitor via a 3 core wire When connected to AC power the AC indicator on the front panel lights on indicating that the instrument is charging the built in battery During the charging process the user may press POWER button to start up the monitor When no AC power is connected the monitor may
11. Generales tete heh a Nua te boe Dno Lh uuu e bua peu Deh ctl aot Gs 1 1 IM E 1 3 THs Hardware Principle 3555 3 Get deti mette desee dette ues ette tua oe et vite eae 1 7 IV Software Principle essai Rated eed eg dede qi edet qiie qi 1 3 CHAPTER 2 MONITORING PRINCIPLE eese eese ee estne tn tnn sn tne tata tn ss ness tata snas enean 2 1 Te NIBP os 2 1 IL SpOs uice n TH RE HELENA RON NIE ERU EUER RENE a ONERE BER VERRE 2 1 CHAPTER 3 CHECKS AND TESTS uuu csccsssssescsscssscsssessesssessesnsessesssescnssssssessssssnsesesessssssessesesssonseses 3 1 L System ChecEs e ena ER t e dO Ra Lb P P E ERA e nete irte 3 1 II Testing And Calibrating Each Parameter nentes 3 9 CHAPTER 4 TROUBLESHOOTING eeeeeee eee ee esten stant tatnen stats tota tatnen tata sns s nes ta tn tnsa tne tatu 4 1 I Disassembly Graph Of Each Part of PM 600 sess nene 4 1 IL Troubleshooting Guidance ed teet etre ee ir en or Res 4 1 CHAPTER 5 INSTALLATION eeeeeeeeee etes tn entusiasta tata tns ts nen tns s nest ta sesse oes sses cessie 5 1 I Unpack Inspection re RR IE RU UE POR PES E eene even 5 1 II Preparations Before POwer ofi meis enori sirnt ian iri ioei trennen tee Sei Aa A riae 5 1 M Torn On The Powe ne reete ea eoa eve ee Ae ave eS 5 1 IV Other PrecautiODs etit tete etate ele eee teet ee e e ete te ie e e v hte ea 5 1 CHAPTER 6 CLEANING AN
12. MAX1653 Parameters and waveforms at some critical points Use multimeter to measure the voltage value of the critical points After connecting the AC power the DC voltage across C12 is about 1 3 1 4 times as much as as the incoming AC voltage The voltage between 1PIN of PCB2 to earth is within 11 15V which is the working voltage of U1 The voltage across C11 is 17 6V When battery is not connected the voltage Service Manual of PM 600 Portable Patient Monitor V1 0 1 9 Introduction across C20 is 13 8V Voltage across C46 is 5V which is used as the working voltage of U7 U8 U9 and U14 The voltages of 8PIN of U1 1PIN of U10 and 11PIN of U11 to earth are 5V Following waveforms can be viewed using oscillograph The waveform of the voltage of 4PIN of U1 is a standard sawtooth whose oscillating frequency is about 120KHz After connecting a rating load as the output the waveform of the voltage of 1PIN of Q1 to earth shall be a square one whose frequency is about 120KHz The waveform of the voltage across D12 should be a square one whose frequency is about 280KHz 4 CPU main control board The structure of the main control board is as shown in the figure below Function of each part of the main control board are The main control board manages maximum 3 modules which are NIBP SpO2 and recorder Communication among these modules is realized via UART The recorder module uses RS232 standard level The other two modules use standar
13. Service Manual of PM 600 Portable Patient Monitor Shenzhen Mindray Bio Medical Electronic Co LTD Copyright SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD 2002 Version 1 0 Issued date 2002 06 11 P N No 6003 20 11803 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 pate
14. 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 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 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 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 4 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 being tested into AC output of 501 Connect the sensors of the application part according to the requirements
15. anel See figure below Table below lists out the description of each connector on the rear panel Connector name Type and description External power 3 core power input socket connected to AC power 100 250V 50 60Hz RS 232 interface 9 core DB 9 pin connected to the recorder Service Manual of PM 600 Portable Patient Monitor V1 0 1 5 Introduction 1 6 Figure 1 3 Rear Panel Service Manual of PM 600 Portable Patient Monitor V1 0 Introduction III Hardware principle 1 General Device connection graph figure 1 4 Power board CPU main control board LED display board AC Key 1 COM Key 8 SPO2 6 probe cable Probe socket 33X NIBP Probe socket NIBP module P02 Front side dU iij speaker Figure 1 4 Device connection graph Service Manual of PM 600 Portable Patient Monitor V1 0 1 7 Introduction 2 Internal structure figure 1 5 Power board TM NIBP module Communication SPO2 module Accumulator 1 Speaker i AC socket SPO2 NIBE Probe lt eket Probe socket Figure 1 5 Internal structure 3 Power board Parameters Input voltage 100 250Vac 50 60HZ DC output 12V 450mA 3 3V 550 mA Lead acid accumulator charging management Power on off control over voltage protection over current protection short circuit protection Schematic diagram figure 1 6 internal electrical structure of PM 600 1 8 Se
16. ay the pulse rate of NIBP measurement For PM 600II display the pulse rate of SpO2 measurement SpO2 Used to display the measured result of SpO2 measurement Pulse Strength Indicator of the pulse strength of SpO2 measurement Buttons on the front panel Symbol Description POWER On Off button of power switch STAT NIBP operating mode Measure continuously within 5 minutes Used to set up the upper and lower alarm limits of NIBP and SPO2 alarms iacu time adult pediatric mode the measurement unit and the sound volume Used in conjunction with SETUP and RECALL to select V The same function as the above button Press this button to begin reviewing NIBP data Used in conjunction with MEMORY A or V button to review forward or backward MENGE Press this button quickly to enter 2 minute Alarm Suspension status Press this button for a long time to enter the Alarm Silence status When not in NIBP measurement mode press this button to start a NIBP measurement When in NIBP measurement mode press this button to stop the NIBP START STOP measurement In auto cycle mode press this button to start stop the measurement In data review mode press this button to start stop the printing operation of the recorder Rear panel Connectors for connecting the external power supply and RS 232 serial port are on the rear panel figure 1 3 The label of the device is also on the rear p
17. current value on the 501 tester Connect SW12 press and release the Polarity key Disconnect SW12 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 Connection graph for testing is shown in figure 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 3 2 Service Manual of PM 600 Portable Patient Monitor V1 0 Checks amp Tests 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 or 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 e WIA Figure 2 Connection graph to test Leakage current fron A grounding resistance leakage current measurement kit B 501 safety analyzer C application part processing kit 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 adjust the
18. d CMOS 5V interface Voltage testing Three voltages in the system require real time monitoring They are 12V battery voltage and AC DC voltage 8 bit AD DA chip with the type of PCF8591 is used on the main control board This chip has four AD channels three of which are used to respectively monitor the three voltages mentioned above Real time clock Use lead acid battery of the system as the spare power for DS1337 clock Therefore a potential divider circuit is used in the system to generate a voltage of 2 4V to power DS1337 The resistance of this potential dividercircuit is 220K When the system is working the current in this circuit is 60uA 1 10 Service Manual of PM 600 Portable Patient Monitor V1 0 Introduction v nY EE FM1808 120 SPEAKER DRIVER RC BUS SOUND 1 SPEAKER MAX202kE UART w79e516 ADO Al5 ADO WR RD INTO RECORDER i IRE FPGA XCS10XL VQ100 NIBP DGO 7 24 16 Array drive of Array of nixie tubes Jal nixie tubes LED IRIML2502 Figure 1 7 Schematic hardware diagram LED drive and button scanning PM 600 uses nixie tubes and LEDs for display There are 19 nixie tubes driven by the main control board These 19 nixie tubes are divided into 7 groups Additionally there are some independent LEDs and LED arrays Based on the actual situation nixie tubes are driven in the way of time sharing scanning Of the 7 groups of nixie tubes each group contains maximum 3 nixie tubes Acco
19. d LED nixie tube Meanings of LED Symbols LED symbols Description This indicator lights on in green when the external AC power is connected implying AC that in this condition the monitor can work normally and charge the internal battery at the same time This indicator lights on when the monitor works powered by the internal battery BATT instead of the external AC power supply This indicator flashes when the battery has only low capacity so as to raise the operator s attention mmHg Used to indicate NIBP measurement unit Red color kPa Used to indicate NIBP measurement unit Red color Used to indicate adult patient Red color Pediatric and adult belong to the same ADULT patient type NEO Used to indicate neonate patient Red color SYSTOLIC Used to display the measured rsullt of systolic pressure of NIBP measurement DIASTOLIC Used to display the measured result of systolic pressure of NIBP measurement Used to display the measured result of mean pressure of NIBP measurement MAP CUFF During measurement it is used to display the cuff pressure Used to display 24 hour system clock and countdown the time of auto NIBP TIME CY CLE measurement i e display the serial No when reviewing the measured results 1 4 Service Manual of PM 600 Portable Patient Monitor V1 0 Introduction Used to display the pulse rate of SpO2 and NIBP measurement For PM 600I PULSE displ
20. d 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 voltage 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 disconnected Read the leakage
21. e Frequently check the device cables sensors and wires for damage Clean the device irregularly according to the actual requirement Perform safety test annually Test overall functions of the device annually 1 2 3 4 Perform NIBP parameter calibration test annually 5 6 Perform safety test once after each opening chassis repair d If finding problems during maintenance contact your supplier in time Service Manual of PM 600 Portable Patient Monitor V1 0 7 1 Specifications Appendix Specifications Following is the specifications of PM 600I monitor which has complete configuration of both NIBP and SpO2 For PM 600HI measure SpO2 only and PM 600I measure NIBP only without special declariation their specifications are included in the specifications of PM 6001I 1 General specifications Size 60mm X 180mm X 220mm Weight 1 8 kg Display Specification Display LED Display Information Power Supply Indicator AC amp BATT NIBP Measurement Unit mmHg amp kPa NIBP Patient Kind ADULT amp NEO neonate NIBP Measurement Display SYSTOLIC DIASTOLIC MAP Pulse PULSE SpO2 SpO2 Clock 24 hour Cuff Pressure CUFF Pulse Intensity LED Indicator 2 Safety Specifications Standard compliable IEC60601 1 Anti electroshock type Class I equipment and internal powered equipment EMC type Class A Anti electroshock degree SpO2 and NIBP are CF degree Against water ingress degree Ordi
22. eing activated the monitor will perform quick measurement continuously within 5 minutes Continuous measurement is effective in monitoring changes in blood pressure II SpO2 By tracing the pulse waveform in the fingertip using specified algorithm and consulting the clinical data table we can obtain the SpO2 value The SpO gt sensor consists of two LEDs and a photodetecter The two LEDs are respectively red diode and infrared diode which are lighted according to certain time sequence When the capillary vessel of the fingertip congests repeatedly the light of the LEDs is absorbed by blood vessels and organs and then projected onto the photodetecter The photodetecter can detect the light intensity varying with pulse changes and display the changing light intensity in the form of changing electronic signals The ratio between the DC and AC components of the two types of signals is the oxygen in the blood Then we can calculate correct SpO2 value by using specified algorithm and also calculate pulse rate according to the SpO2 waveform The SpO2 module mainly consists of following four parts sensor signal processing control unit of LED driving sequence singlechip 1 Sensor the two LEDs alternatively emit red light and infrared light onto the part being monitored The photocell then converts the received lights into electro signals Service Manual of PM 600 Portable Patient Monitor V1 0 2 1 Checks amp Tests 2 Signal processi
23. he part being cleaned II Sterilization based on cleaning sterilize the PM 600 when necessary 1 Use ethanol or ethanal based cleaner 2 Use ethanol or ethanal based cleaner to clean the reusable cuff 3 Use ethanol or ethanal based cleaner to clean the reusable SpO2 sensor A NOTE A 1 Ethanol ethanol 70 Ethanal methanal 35 37 Bleacher diluted sodium hypochlorite solution bleacher used for washing with a concentration of 500ppm 5000ppm 2 Do not let the sterilization liquid enter the device or immerse the device or any part into the liquid 3 Do not leave any sterilization liquid on the surface of the device III Disinfection Disinfect the PM 600 when necessary Because disinfection process is complex please execute the Service Manual of PM 600 Portable Patient Monitor V1 0 6 1 Specifitions procedures according to the hospital regulation Pay special attention to safety EtO gas is usually used for disinfection 2 Service Manual of PM 600 Portable Patient Monitor V1 0 Maintenance Chapter 7 Maintenance PM 600 portable patient monitor is a type of precision electronic medical device having complex structure Maintaining PM 600 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 maintenanc
24. ie tubes Display of indication for SpO2 pulse intensity is realized by using 10 diodes red Display 24 hour clock and measurement cycle TIME CY CLE Occupy 4 LED nixie tubes of small size and two round 403 LED lamp to indicate second palpitation red Information displayed by LED use square LED 2X5 Pressure unit is mmHg or kPa red Patient mode is ADULT or NEO red AC power indicator is AC green Battery indicator is BATTERY yellow Data displayed by LED The LED display unit receives and displays various data coming from CPU board 1 12 Service Manual of PM 600 Portable Patient Monitor V1 0 Introduction The LED nixie tubes and LED lamps of the same color have even and consistent display brightness The frame scanning frequency of display is 2100 The display is flicker free When the system has alarm the LED nixie tubes will flash regularly on the LED numerical display position of the corresponding parameter At the same time speaker gives sound to realize audio and visual alarm function 5 Battery Use two 6V 1 0Ah closed rechargeable lead acid accumulators which are serial connected IV Software principle After being powered on the system enters the idle state By pressing different buttons the user can command the system to execute different operations such as Single NIBP measurement and continuous NIBP measurement When the system software is in the process of power on selftest or operatio
25. in figure 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 being tested into AC output of 501 Connect the sensors including NIBP SpO2 of the application part based on the requirements of C Connect the output SUM of C to the RA post of the 501 tester Locate all the switches on the connecting kit of the application part to OFF position Lu Figure 3 Connection graph to test the leakage current from application part patient to earth A grounding resistance leakage current testing kit B 501 safety analyzer C application part processing kit D device being tested application part P3 sensor connected with the patient RA RA terminal of ECG measuring post of 501 SUM kit post 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 3 4 Service Manual of PM 600 Portable Patient Monitor V1 0 Checks amp Tests 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
26. 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 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 press and release the Polarity key Disconnect SW 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 press and release the Polarity key to 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 press and release the Polarity key Service Manual of PM 600 Portable Patient Monitor V1 0 3 3 Checks amp Tests Disconnect SW press and release the Polarity key The maximum value of these four measurements should be less than 0 5mA 2 2 5 Patient leakage current of the application part 2 2 3 1 Connection graph for testing is shown
27. ion in the power board a DC signal is introduced into the main control board This DC signal can be used to directly drive AC LED After this signal has been potential divided by resistance we can obtain a voltage of about 3V ACS which is used by MCU When the system is powered by battery ACS is at the low level based on which MCU can judge whether the power has been switched and accordingly make the power indicator light on Linear voltage regulating circuit The main control board has two power inputs 3 3V and 12V However components on the main control board require 5V Accordingly we select a linear voltage regulator 7805 which are used to generate a 5V voltage from 12V voltage Display board LED display board consists of 7 segment LED nixie tubes of either big or small size red common cathod followings are the same LED indicators red green yellow and scan driving circuit By pluging the socket P04 into the corresponding pin L04 on the CPU board 5V working voltage and display data can be obtained LED display uses the way of scanning drive Parameters displayed by LED NIBP Display of SYSTOLIC pressure occupies 3 7 segment nixie tubes Display of DIASTOLIC pressure occupies 3 7 segment nixie tubes Display of MEAN CUFF pressure occupies 3 7 segment nixie tubes of small size SpO2 type 503 only measures this parameter Display of PULSE occupies 3 7 segment nixie tubes Display of SpO2 occupies 3 7 segment nix
28. is complete the sockets are installed safely 5 Perform vibration test on the machine 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 Connection graph for testing is as shown in figure 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 I 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 Dass device being tested 5 application part RED 501 red measurement clip SUM kit post Service Manual of PM 600 Portable Patient Monitor V1 0 3 1 Checks amp Tests Figure 3 1 Leakage current testing connection between grounding terminal and the earth 2 2 1 2 Adjust input voltage When the device being teste
29. lable Available BAT Available Available Available mmHg Available Available Not available kPa Available Available Not available ADULT Available Available Not available NEO Available Available Not available LED Display SYSTOLIC Available Available Not available DIATOLIC Available Available Not available MAP CUFF Available Available Not available TIME CYCLE Available Available Not available PULSE Available Available Available SpO2 Not available Available Available Pulse Strength Not available Available Available Operating POWER Available Available Available buttons Available but STAT Available Available not for operation SETUP Available Available Available A Available Available Available V Available Available Available Available but MEMORY Available Available not for operation SILENCE Available Available Available Service Manual of PM 600 Portable Patient Monitor V1 0 1 3 Introduction START STOP Available Available Available The front panel has following function items see figure 1 2 B LED display used to display measured results and monitoring status M Buttons used to power on the system set up system configuration or start measurement WM Socket for measuring sensor sockets for SpO2 sensor and NIBP cuff SYSTOLIC START STOP Figure 1 2 Fornt panel The table below gives the meanings of LED symbols on the front panel LED display has two kinds LED indicator an
30. maged Service Manual of PM 600 Portable Patient Monitor V1 0 1 13 Introduction Measure again E04 SpO2 sensor off Check if the sensor is still connected to the patient Check if the sensor is loosely connected Check if the sensor cable is incorrectly connected or damaged E05 There is Check if the sensor on the patient is correctly connected Change interference when the measuring position Check if the red tube inside the sensor no meausring SpO2 longer flashes flashing means working normally Measure again E06 The recorder does Check if the recorder has paper Check if the paper is installed not work correctly Check if the recorder cable is correctly and safely connected Print again E77 NIBP unit failure If there is SpO2 unit the system can continue to execute SpO2 measurement but cannot execute NIBP measurement NIBP unit needs repair E88 SpO2 unit failure If there is NIBP unit the system can continue to execute NIBP measurement but cannot execute SpO2 measurement SpO2 unit needs repair E99 Monitor system The monitor needs repair failure 1 14 Service Manual of PM 600 Portable Patient Monitor V1 0 Monitoring Principle Chapter 2 Monitoring Principle I 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
31. ment 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 9000 Portable Patient Monitor if assembly operations extensions re adjusts modifications or repairs are carried out by persons other than those authorized by Mindray the PM 9000 Portable Patient Monitor is not used in accordance with the instructions for use or the electrical installation of the rele
32. n it can check related parts to see if any error takes place and accordingly generate different alarm messages which are listed below When detecting Cpu or Fpga error upon power on the time light on the display panel will flash When detecting watchdog error upon power on the speaker will give long sound When detecting keyboard short circuit error upon power on the speaker will give continuous and rapid sound When detecting low battery capacity the battery indicator wll flash and the speaker will give alarm sound When detecting other errors the system will display corresponding error code listed out in the table below Erro code and error solution Error code Description Solution for user use cuff size is not is correct and the cuff has appropriate size Measure again consistent with the patient type E01 No cuff is Check if a cuff is connected to the patient and monitor if the cuff connected or the and the hose have leakage Check if the patient type adult neonate interference when measuing NIBP E02 There is The measurement cannot be finished successfully This error may be caused by excessive patient movement or some physiological factors Check the patient and the cuff Keep the patient quiet Measure again E03 NIBP measurement is time out Cannot finish the measurement within normal time Check the patient and the cuff Check if the hose is clogged or da
33. nary equipment sealed equipment without liquid proof Operation mode Continuous running equipment 3 Power Supply AC input 100 250V AC 50 60Hz 40V A FUSE T 0 5A Service Manual of PM 600 Portable Patient Monitor V1 0 i Specifitions Battery Two rechargeable 1 3 A Hr 6V Lead Acid battery Operating time Condition 25 C NIBP working period is 10 min PM 600I Monitor working time is 4 hours with full battery capacity PM 600II Monitor working time is 2 hours with full battery capacity PM 600III Monitor working time is 3 hours with full battery capacity Operating time after the first alarm of low battery is about 5 minutes 4 Environment Temperature Working 0 40 C Transport and Storage 20 60 C Humidity Working 30 85 96 Transport and Storage 30 93 no condensation EMC According with the requirement of EN60601 1 2 5 Monitoring Parameter 5 1 NIBP Method Oscillometric Mode Manual Auto STAT Measuring 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 Pulse Rate Range 40 240 bpm Cuff Pressure Range 0 300 mmHg NIBP Measurement Measuring and Alarm Range Adult Mode SYS 40 270 mmHg DIA 10 215 mmHg MAP 20 235 mmHg Neonatal Mode ii Service Manual of PM 600 Portable Patient Monitor V1 0 Specifications SYS DIA MAP Resolution Pressure 40 135 mmHg 10 100 mmHg 20
34. ng The electronic signal output from the photocell are amplified by the measurement amplifier high pass filter and program controller and finally converted into digital signal by A D The D A converter is used to control the baseline of the signal amplify the AC component and finally output an appropriate pulse waveform The digital signal output from A D are to be processed by the singlechip 3 Control unit of LED driving sequence The time sequence circuit and DAC together control the alternative operation of the two LEDs and the light intensity The singlechip control the driving current based on the algorithm 4 Singlechip it is made up of CPU RAM ROM and interface circuit 2 2 Service Manual of PM 600 Portable Patient Monitor V1 0 Checks amp Tests Chapter 3 Checks and Tests I System checks For the conventional testing contents of PM 600 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
35. nts or other rights of third parties Content of this manual is subject to changes without prior notice PROPERTY OF SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD 2002 ALL RIGHTS RESERVED Responsibility on the manufacturer party Mindray is responsible for safety reliability and performance of this equipment only in the condition that all installation expansion change modification and repair of this equipment are conducted by Mindray qualified personnel and applied electrical appliance is in compliance with relevant National Standards and the monitor is operated under strict observance of this manual NOTE This equipment is not intended for family usage AN Warning AN 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 II 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 months for multi site probes and SpO2 sensor from date of ship
36. o patient body remove the coloring agent before perform measurement 4 2 Service Manual of PM 600 Portable Patient Monitor V1 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 600 please make following checks 1 If the network voltage complies with device requirements 2 To protect the patient 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 600 3 When using PM 600 and other medical devices at the same time safely connect the equipotential post on the rear panel of PM 600 with equipotential posts of other devices 4 Do not put PM 600 in any
37. of C Connect the output RA P of C to the RA binding post of 501 Short circuit connect NIBP P SpO2 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 D 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 Service Manual of PM 600 Portable Patient Monitor V1 0 3 5 Checks amp Tests Figure 4 Connection graph to test patient auxilliary 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 of the RA lead of ECG to other application parts position the RA lead 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
38. ol board or D examine main control board An operation or measurement EAM corresponding component and corresponding component function is disabled damage moment intensive check power supply and Device is occasionally stoned interference of network board control board supply or main control board 2 poor performance of power poor performance of main bad connection of power grounding system 2 replace power board Q replace main control board 4 replace or repair connectors 2 Parameter failures Failure Possible cause Solution NIBP cuff cannot be inflated DAir way is folded or has leakage Dadjust or repair the air way Blood pressure cannot be measured occasionally Cuff becomes loose or patient is moving DKeep the patient quiet bind the cuff correctly and safely Error of blood pressure measurement is too great CDCuff size does not fit the patient NIBP module has bad DUse the cuff with appropriate size G replace NIBP module performance Sensor or SpO2 module is Dreplace the sensor and confirm the No SpO2 waveform damaged failure Dpatient is moving keep the patient quiet SpO2 waveform has strong interference Environment light is very intensive Weaken the light intensity in the environment SpO2 value is inaccurate Dcoloring agent has been injected int
39. place having liquid leakage III 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 600 the data screen will appear IV Other precautions 1 When using PM 600 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 harm the patient or the medical personnel 2 Do not use PM 600 in the presence of flammable anesthetics to avoid the hazard of explosion Service Manual of PM 600 Portable Patient Monitor V1 0 5 1 Cleaning Chapter 6 Cleaning The user should use specified method to clean the PM 600 portable multi parameter monitor To prevent the monitor from being contaminated or damaged please use recommended materials To guarantee patient safety do not use cables sensor or accessories that have already been deteriorated or damaged I Cleaning 1 Use soft cloth to clean the monitor 2 Use soap amino or ethanol based material to clean the host 3 Use soap amino or ethanol based material to clean the reusable cuff 4 Use soap amino or ethanol based material to clean the reusable SpO2 sensor A NOTE A 1 Ammonia solution diluted ammonia solution lt 3 Ethanol ethonal 70 isopropanol 70 2 Don t use the grinding material such as steel wool etc 3 Do not let cleaner enter the device or immerse t
40. rdingly Therefore there are 7 groups of nixie tubes with each group containing 24 segments are driven by constant current by taking advange of 16 independent ports Therefore there are totally 48 port wires needed to drive nixie tubes and LEDs These 48 port wires are all driven by FPGA XCS10XL The driving voltage of the system is 3 3V A drive MOS tube IRLML2502 is added into the drive of each group The nixie tubes used in the system are in three colors i e red green and yellow Nixie tubes in three different colors have different brightness To acquire even and consistent brightness we need to adjust the scanning duty ratio in the drive of EPGA in orde to adjust the average driving current and as a result to adjust the brightness The chip selection signal of the port is generated by FPGA codes Audio alarm The system is designed to possess audio and visual alarm function The visual alarm can be fulfilled by Service Manual of PM 600 Portable Patient Monitor V1 0 1 11 Introduction using the software to control the brightness of LEDs and nixie tubes Nevertheless to realize the function of audio alarm we have to use a special alarm circuit to drive a speaker The signal is acquired by the frequency sharing circuit in FPGA FPGA can output frequency signals respectively having four different output frequencies i e 2048Hz 1024Hz 512Hz and 256Hz AC power battery monitoring and indication After undergoing AC DC convers
41. rvice Manual of PM 600 Portable Patient Monitor V1 0 Introduction Power on off logical control and protect circuit 12V BUCK BOOST converter Battery Charging Managerent 3 3V BUCK converter Battery Figure 1 6 Schematic diagram Functions of each part AC DC converter After flowing through the EMC filter the universal input power is rectified into DC high voltage power which after high frequency power change is output as DC 17 6 This 17 6 voltage is to be used as the supply for the input ends of battery charging circuit 12V step up down converter and 3 3V step down converter When AC DC is effective the 17 6V output is higher than the battery voltage Therefore compared with the battery 17 6V has the priprority to power the monitor Battery charging management Circuit of this part uses the battery management chip UC3906N manufactured by UNITRODE to fulfil the management of charging lead acid battery 12V step up down converter This converter uses MC34167 manufactured by MOTOROLA company It fulfuils the intented function by working together with peripheral components such as Q7 D10 D11 L4 C39 and some other components 3 3V step down converter This converter uses the Step down Controller MAX 1653 manufactured by MAXIM company to fulfil the intended function Functions like power on off control over voltage protect circuit are realized through controlling the controlled terminals of two chips MC34167 and
42. 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 decreasing of the pressure in the cuff the artery blood will palpitate with the pulse which results in palsation in the cuff Through the pressure sensor connected with the inflating pipe of the cuff a palsation 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 appropritate cuffs for neonatal pediatric and adult patients so as to avoid the generation of measurement error NIBP module also has protection 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 b
43. ting plate battery cover ees front panel panel assembly assembly II Troubleshooting guidance In transportation storage and use of PM 600 various factors such as unstable network voltage changing environmental temperature falling down or impact component aging may all result in PM 600 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 PM 600 Component level Service Table 1 Device failures Service Manual of PM 600 Portable Patient Monitor V1 0 4 1 Trobleshooting Failure Possible cause Solution Dfuse damage replace fuse No display after power on D E power damage replace power power indicator does not light on fan does not run component short circuit anchor the short circuit component D main contr
44. vant 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 Return Policy Return Procedure In the event that it becomes necessary to return a unit to Mindray the following procedure should be followed 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 Freight policy The customer is responsible for freight charges when equipment is shipped to Mindray for service this includes customs charges Company Contact Address A3 4 F New Energy Building Nan You Road Nanshan 518054 Shenzhen P R China Phone 86 755 26052668 26052277 Fax 86 755 26492978 26649559 EC Representative Name Shanghai International Holding Corp GmbH Europe Address Eiffestrasse 80 D 20537 Hamburg Germany Phone 49 40 2513174 Fax 49 40 255726 Table of Contents CHAPTER 1 INTRODUCTION 0 cc cescsscscscssssescssssescssssessessssssessessesssessnsesessesssessesesessasesessnsesesseseseees 1 1 Te
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