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MINDRAY PM 7000 Patient Monitor Service Manual

1. ECG Signal Input Circuit Temperature E Detect Circuit CPU System Power 8 l RAM ROM Main Watchd La Signal chdog isolate Circuit board RESP Signal La RESP Signal Input Circuit Process Circuit A Carrier Generate Circuit Figure 2 5 Working principle of the ECG RESP TEMP module 2 2 2 3 Principle This module collects the ECG RESP and TEMP signals through the transducer processes the signals and sends the data to the main board through the serial port ECG Signal Input Circuit The input protection and filtering circuits receive the ECG signal from the transducer and filter the high frequency interference signal to protect the circuit against the damage by defibrillator high voltage and ESD The right leg drive circuit gets the 50 60Hz power common mode signal from the lead cable and sends the negative feedback signal to the human body to reject the common mode interference signal on the lead cable which helps the detection of the ECG signal The lead off detecting circuit checks whether the ECG lead is off and sends the information to CPU ECG Signal Process Circuit The difference amplifying circuit conducts the primary amplification of the ECG signal and 9 Chapter 2 Principles rejects the common mode interference signal The low pas filtering circuit filters the high frequency interference signal beyond the frequency band of the ECG signal The PACE signal r
2. Nurse call output Driver Relay Electrical specifications lt 60W lt 2A lt 36VDC lt 25VAC Isolation voltage gt 1500 VAC Signal type Normally open or normally closed selectable Defibrillator synchronization pulse Maximum time delay 35ms R wave peak to leading edge of the pulse Amplitude 3 5 V min at 3 mA sourcing 0 8 V max at 1 mA sinking Pulse width 100 ms 10 Rising and falling time lt 3ms VGA Signal RGB 0 7 Vp p 75Q Horizontal vertical synchronization TTL level 31 Chapter 3 Product Specifications 3 8 ECG Specifications Lead type 3 lead 1 channel 5 lead 2 channels 12 lead 8 channels I II I I II UL aVR aVL aVF and V I I III avR avL avF V1 V6 Lead naming style AHA EURO Sensitivity selection 1 25mm mV 0 125 2 5mm mV x0 25 5mm mV x0 5 10mm mV x1 20mm mV lt 2 and auto Sweep speed 12 5mm s 25mm s 50mm s Diagnostic mode 0 05 to 100Hz 12 lead 0 05 to 150Hz Bandwidth 3dB Monitor mode 0 5 to 40Hz Surgery mode 1 to 20Hz Diagnostic mode gt 90 dB Monitor mode gt 105 dB Common mode rejection Surgery mode gt 105 dB The notch filter is turned off Differential input impedance gt 5MQ Input signal range 8mV peak to peak value DC offset voltage 300mV 12 lead 500mV Patient leakage cu
3. 2 2 5 NIBP Module 2 2 5 1 General This module provides the function of measuring the Non Invasive Blood Pressure NIBP parameter 2 2 5 2 Principle diagram Val Valve Drive ge so Circuit Windpipe Air Motor Drive b Pump Circuit CPU System RAM ROM Main NIBP Signal AID Watchdog Ss hoard Process Circuit i il Logic Control Cuff T o Over Pressure Detect Figure 2 8 Working principle of the NIBP module 2 2 5 3 Principle The NIBP is measured based on the pulse vibration principle Inflate the cuff which is on the forearm till the cuff pressure blocks the arterial blood and then deflate the cuff according to a specified algorithm While the cuff pressure is decreasing the arterial blood has pulses which are sensed by the pressure transducer in the cuff Consequently the pressure transducer connected with the windpipe of the cuff generates a pulsation signal which is then processed by the NIBP module to get the NIBP value 13 Chapter 2 Principles Valve Drive Circuit This circuit controls the status ON OFF of valves It together with the Motor Drive Circuit implements the inflation and deflation of the cuff Motor Drive Circuit This circuit controls the action of the air pump lt together with the Valve Drive Circuit implements the inflation and deflation of the cuff Besides it provides the status signal of the motor for the A D conversion part NIBP Sign
4. 1 3 3 Electrical specification AC power supply 100 to 240 V AC 50 60 Hz Maximum input power 140VA DC power supply 12 V nominal 10 to 16 V Power 80W 2 3 Ah 12V lead acid rechargeable battery Working time of fully charged batteries in normal status 75 minutes 1 battery From the first low battery alarm the batteries can supply power to the patient monitor for 5 15 minutes Maximum charging time about 8h 4 4Ah 11 1V lithium battery Working time of fully charged batteries in normal status 150 minutes 1 battery From the first low battery alarm the batteries can supply power to the patient monitor for 5 15 minutes Maximum charging time about 8h Chapter 2 Principles Chapter 2 Principles 2 1 General The intended use of the PM 7000 is to monitor a fixed set of parameters including ECG RESP SpO2 NIBP TEMP IBP CO and CO IBP CO and CO are optional It consists of the following functional parts Parameter measurement Main control part Man machine interface Power supply Other auxiliary functions These functional units are respectively detailed below Man Machine Interface Power Supply peog uien Parameter measurement Other Auxiliary Functions Figure 2 1 Structure of the PM 7000 Chapter 2 Principles 2 1 1 Parameter Measurement The parameter measurement and monitoring are the core functions of the patient monitor Th
5. If not check the connection wire for inputting signals to the recorder Check whether the recorder module is enabled in the maintenance menu Check the power cord of the recorder including the recorder power PCB oa fF Oo N Replace the recorder module 4 2 6 Abnormal Paper Drive 1 Check whether there are blocks on the paper roller of the recorder 2 Check whether there are blocks in the gear cluster of thermal assembly of the recorder 3 Check whether the voltage input of the recorder is larger than 17 6V 54 Chapter 5 Test and Material List Chapter 5 Test and Material List 5 1 Test Procedure 5 1 1 Connection and Checking Connect the simulators power supply and test fixture properly to the PM 7000 and power iton Then the patient monitor displays the start up screen on the TFT screen and enters the system screen 5 1 2 Functions of Buttons Press every button on the button panel to check their functions as specified in PM 7000 Patient Monitor Operation Manual Rotate the control knob to check its functions 5 1 3 ECG RESP The TFT screen displays the standard ECG waveform and the error between the heart rate and the set value of the simulator is no more than 1 namely 60 1 the RESP waveform is smooth and the respiration rate is 20 1 1 Select all leads in order including Cal select all the four gains and AUTO ensure the waveforms are displayed properly and check whether the 50Hz 60Hz inter
6. P11 Main Board P13 xt P17 FOR 509C aU Yi Recorder Module P16 X7 XB CO2 NIBP Module Module IBP CO Module X12 X11 Figure 2 3 PCB connection Basic functions and working principles of modules are described in the following sections 2 2 1 Main Board 2 2 1 1 General The main board is the heart of the patient monitor It implements a series of tasks including the system control system scheduling system management data processing file management display processing printing management data storage system diagnosis and alarm Chapter 2 Principles 2 2 1 2 Principle diagram UART Analog Filter 8 CPU System RTC RAM ROM dif FPGA Display interface Ethernet Ethernet interface I SR ee VRAM Watchdog Figure 2 4 Working principle of the main board 2 2 1 3 Principle The main board is connected with external ports including the power input port multi way serial port TFT display interface analog VGA interface network port and analog output port Besides on the main board is also a BDM interface reserved for the software debugging and software downloading CPU System CPU is the core part of the main board It connected with other peripheral modules through the bus and I O cable implements the data communication data processing logical control and other functions RTC RTC provides the calendar information such as second minut
7. Pulse Oxygen Saturation SpO Pulse Rate PR SpO Plethysmogram Systolic pressure NS diastolic pressure ND mean pressure NM T1 T2 TD CH1 SYS DIA CH2 SYS DIA IBP waveform Temperature of blood TB Cardiac Output CO End tidal carbon dioxide EtCOz2 Inspired minimum CO InsCO2 Airway Respiration Rate AwRR Inhaled and exhaled CO FICO EtCOz Inhaled and exhaled N20 FiN20 EtN20 Inhaled and exhaled O FiO EtO2 Inhaled and exhaled anesthetic agent FiAA EtAA where AA refers to any of the following anesthetic agents HAL Halothane ISO Isoflurane ENF Enflurane Chapter 1 About the Product SEV Sevoflurane DES desflurane Airway Respiration Rate rpm Respiration Per Minute AwRR Minimum Alveolar Concentration MAC 4 AG waveforms CO N20 O AA The PM 7000 provides the functions of audio visual alarm trend graphic storage and output NIBP measurement alarm event identification large font screen defibrillator synchronization oxyCRG recall drug calculation etc 1 3 Environment 1 3 1 Temperature Work mode 0 40 C MINDRAY CO module 5 35 Welch Allyn mainstream CO module 10 35 Microstream CO module 5 35 C Artema AION AG module 10 35 C Transportation amp Storage 20 60 C 1 3 2 Humidity Work mode 15 95 non condensing Transportation amp Storage 10 95 non condensing Atmospheric pressure 70 0kPa 106 0kPa
8. 11 2 For other country please refer to your local law Safe distance 10m a circle centering AP with the diameter of 10m Maximum data rate 11Mbps 29 Chapter 3 Product Specifications 3 6 Data Storage Long trend 96 hours resolution 1min 5 min or 10 min Trend data Short trend 1 hour resolution 1 s or 5 s 70 alarm events and associated waveforms with user Alarm events selectable waveform length 8s 16 or 32 ARR events 80 ARR events and associated waveforms with 8s wavelength 800 NIBP groups including systolic pressures mean pressures NIBP measurements diastolic pressures and measurement time 30 Chapter 3 Product Specifications 3 7 Signal Output Specifications Meets the requirements of EC60601 1 for short circuit Standards E protection and leakage current Output impedance 500 ECG analog output Diagnostic mode 0 05 to 100Hz 12 lead 0 05 to Bandwidth 150Hz 3dB reference Monitor mode 0 5 to 40Hz frequency 10Hz Surgery mode 1 to 20Hz Signal delay lt 25ms Maximum propagation delay 25ms In DIAGNOSTIC mode NOTCH is OFF Sensitivity 1V mV 5 PACE rejection enhancement IBP analog output Bandwidth Maximum propagation Delay No pace rejection or enhancement 0 to 12 5 Hz 3dB reference frequency 1Hz 55ms the filter function is disabled Sensitivity 1 V 100mmHg 5
9. 4 9200 30 10522 Fan assembly l 5 7000 20 24370 Handle shaft 2 6 M04 000802 Flat washer 3 7 M04 000104 Spring washer 2 8 7000 20 24359 Handle 1 9 DA8K 10 14410 Buffer 2 10 9200 21 10633 Speaker and connecting wires 1 11 9200 20 10620 Speaker fixture 1 12 7000 20 24388 Recorder support 1 13 7000 20 24361 Battery door l 14 7000 20 24376 Battery door link 1 51 Chapter 4 Disassembling Assembling amp Troubleshooting 15 9200 20 10622 Mounting plate l 16 M04 003 105 Cross head tapping screw PT3 X 8 11 17 7000 20 24377 Cushion 2 4 1 5 Microstream CO Assembly 1 la 37 Figure 4 5 Microstream CO assembly NO Material Code Part 8 Specification 1 9201 30 35959 Microstream CO connector 2 M04 003105 Cross head self tapping screw 3 8 3 9201 20 36010 Baffle of torsional spring 4 9201 20 35961 Retaining torsional spring of microstream CO connector 5 9201 20 35915 Mounting plate of CO connector 6 9201 20 35914 Baffle of CO connector 52 Chapter 4 Disassembling Assembling 8 Troubleshooting 4 2 Troubleshooting 4 2 1 Black Screen Startup Failure s power supply N normal AC power com N normal Press the Power button Fault in the connection wire of the button panel Faull in connection wire of backlight board Fault in the connection wire of the button panel Fault in the bullon panel Fault in bac
10. 6 M04 000305 Cross head tapping screw PT3X 12 6 7 M04 051003 Cross head tapping screw PT2 X6 6 8 M02A 3025913 Water trap socket assembly 1 9 MO2A 20 25906 Water trap support 1 10 M04 004012 Cross head screw 2 11 TR6C 30 16654 TR60 C recorder 1 12 M04 004014 Cross head screw M4 x 10 2 13 M04 051002 Cross head screw M3 x 16 4 47 x bR ese y y Chapter 4 Disassembling Assembling amp Troubleshooting 4 1 2 PM 7000 Support Assembly 15 14 13 12 11 10 9 8 7 Figure 4 2 PM 7000 support assembly NO Material Code Part 8 Specification Quantity 1 0000 10 11021 LCD TFT 10 4 inch 1 2 7000 20 24508 LCD pad AU 2 3 M04 051137 Stainless steel cross head screw M2 x4 4 4 7000 20 24540 LCD support LG 1 5 M04 002405 Cross head screw M2 lt 6 2 6 7000 20 24417 Backlight board insulation plate 1 7 0010 10 12096 Inverter 1 8 8000 21 10239 Connecting wire for TFT backlight board 1 9 M90 000002 01 Insulation flat washer 2 48 Chapter 4 Disassembling Assembling 8 Troubleshooting 10 9300 20 13901 Backlight insulation plate 1 11 8000 20 10214 IBP insulation plate 1 12 MO3A 30 26050 CO IBP board 1 13 7000 20 24418 Insulation plate for main board 1 14 7000 30 24425 Battery rack assembly 1 15 7000 30 24424 Socket assembly 1 16 DA8K 20 14426 SPO
11. Therefore the lead off can be detected with a comparator and the state of lead off can be converted TTL level for the Micro Controller Unit MCU to detect it 5 Lead circuit Under the control of MCU the lead electrodes should be connected to the main amplification circuit 6 Main amplification circuit The measurement amplifier is composed of 3 standard operation amplifiers 7 Subsequent processing circuit This circuit couples the ECG signals remotely controls the gains filters the waves shifts the level amplifies the signal to the specified amplitude and sends the signal to the A D converter mM RESP The PM 7000 measures the RESP based on the impedance principle While a man is breathing the action of the breast leads to impedance changes between RL and LL Change the high frequency signal passing the RL and LL to amplitude modulation high frequency signal AM high frequency signal which is converted to the electric signal after being detected and amplified and then sent to the A D converter The RESP module consists of the RESP circuit board and coupling transformer The circuit has several functions vibration coupling wave detection primary amplification and high gain amplification 2 4 3 NIBP The NIBP is measured based on the pulse vibration principle Inflate the cuff which is on the forearm till the cuff pressure blocks the arterial blood and then deflate the cuff according to a specified algorithm While the cuff p
12. Among the output devices the recorder and alarm device receive data through the serial ports the analog output component is an MBUS component and the LCD and network controller are controlled directly by CPU 17 2 3 2 System Task Chapter 2 Principles NO Task Function Period Mia a cl PRIP In case of a 1 System initialization Initializing the system startup 2 Data processing Analyzing and saving the data 1 second Display of timer l l 3 Implementing the timed refreshing 1 second information l PEI In case of a Switchover of modules Switching over between waveforms and 5 screen change and screens parameters on the screen event Processing of Processing the user inputs by buttons and In case of a 6 commands displaying them on the screen button event screens a System monitoring voltage monitoring and 7 System monitoring 1 second battery management 8 Network connection Implementing the network connection 1 second 9 Network data sending Sending the network data 1 second 10 Network data receiving Receiving the network data viewbed 1 second Analyzing ECG signal calculating ECG values 11 ECG analysis HR ARR and ST and saving the analysis 1 second results 12 Record output Outputting records In case of a record event 13 NIBP processing Implementing NIBP related processing 1 second 14 WATCHDOG task Managing the system watchdog 1
13. based on specific algorithm and clinical data The SpO probe is the measurement transducer lt has two inbuilt LEDs and an inbuilt light receiver The two LEDs include one red light diode and one infrared diode which emit light in turns When the capillaries in the finger tip are iteratively congested with blood pumped by the heart the light emitted by the LEDs after absorbed by the capillaries and tissue casts on the light receiver which can sense in the form of electric signal the light strength changing with the pulsated blood The DC AC ratio of the two photoelectric signals corresponds to the content of the oxygen in the blood Therefore the correct pulse oxygen saturation can be obtained with specific algorithm Moreover the pulse rate can be obtained according to the pulse waveform The circuit of the SpOz module is involved in four parts SpO probe signal processing unit LED driven sequencing control part and the MCU 2 45 TEMP Temperature measurement principle 1 The transducer converts the body temperature to the electric signal 2 The amplifier amplifies the electric signal 3 The CPU processes the data The circuit is a proportional amplifier consisting of operation amplifiers When the temperature reaches the heat sensitive probe the heat sensitive probe generates the voltage signal which is sent to the A D converter after being amplified The probe detecting circuit is a voltage comparator consisting of operation am
14. 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 7000 Patient Monitor if R assembly operations extensions re adjusts modifications or repairs are carried out by persons other than those authorized by Mindray R the PM 7000 is not used in accordance with the 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 Return Policy Return Procedure In the event that it becomes necessary to return a unit to Mindray the following procedure should be followed 1 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
15. second 18 Chapter 2 Principles 2 3 3 System Function The system tasks can be classified as follows Network sending event System event ARR analysis IBP processing task task 11 Screen switchover event Dormant for a period odule amp screen switchover System monitoring task task Dormant for a Dormant for a Dormant for a period period period WatchDog management Network connection J Network receiving J task task task etting an event Sending a message to pipeline or queue S Legend Pipeline or queue Getting an event Getting a message from pipeline or queue Figure 2 13 System task 19 Chapter 2 Principles 2 4 System Parameter 2 4 1 General For the PM 7000 signals are collected by modules and the results are transferred to the main board through the adapter board thus to process and display the data and waveforms Commands from the main board as well as the status information of modules are transferred through the adapter board In addition the adapter board adapts and changes the power supply The structure of the whole system is shown in the following figure A S Doctor ee Button panel Display Power supply Network interface ECG R pes aut Spe Se ee a tee As shown in Figure 2 14 the five modules and measurement cables monitor and measure NIBP SpO2 ECG RESP TEMP IBP CO and CO in real time and send the results to the main boa
16. status after the startup Ten minutes later it enters the ready to measure status AwRR measurement range 0 to 120 BrPM 0 to 70 BrPM 2 BrPM Precision gt 70 BrPM 5 BrPM Response time lt 240 ms 10 to 90 Delay time lt 2s Length of sampling tube 7 feet inner diameter 0 055 inches sampling flow 150ml min Apnea alarm delay AwRR 10 to 40 s 41 Chapter 3 Product Specifications Conditions for measurements in typical precision The measurement is started after the preheating mode of the module Ambient pressure 750mmHg to 760mmHg room temperature 22 C to 28 C The gas under test is dry and the balance gas is N2 The deflation rate is 150ml min the respiration rate is no greater than 30BrPM with a fluctuation less than 3BrPM and the inhale interval exhale interval is 1 2 In other conditions the measurement precision should meet the requirements of EN864 or 1509918 4mmHg 0 to 40mmHg or 12 of the reading 41 to 99mmHg 1 1 5 Oridion CO Specifications CO measurement range 0 to 99mmHg 0 to 38 mmHg 2mmHg Precision 39 to 99 mmHg 5 0 08 x reading 38mmHg Waveform 0 1mmHg Resolution Value ImmHg Flow rate 50713 ml min Initialization time 30s typical Response time 2 9s typical Delay time 2 7s typical AwRR measurement range 0 to 150 BrPM 0 to 70BrPM 1BrPM AwRR measuremen
17. the AG bottle label Note If your monitor do not have O2 module input 0 0 in O2 item 3 Open AG cover wait for the display value stabilization 4 If the display value does not accord with the input value please press CALIBRATE item and exit AG concentration must fit the following requirements Agent gt 1 5 CO2 gt 1 5 N20 gt 40 02 gt 40 65 Chapter 5 Test and Material List 5 6 Bill of Materials for PM 7000 Main Unit SN P N Description Quantity 1 M04 004012 Cross head screw M3 6 39 2 TR6C 30 16650 Recorder drive board 1 5 7000 20 24422 Main support with lithium battery 1 6 M04 002505 Cross head screw M3 6 10 7 7001 30 67428 CF wireless network card module assembly 1 8 9210 30 30150 Main board 1 9 7001 30 67438 Power board for lead acid battery 1 10 MO5 302R3R Lead acid battery 1 11 0010 10 12329 Lithium battery 1 12 DA8K 20 14520 Insulation sheet for ECG board 1 13 812A 30 08557 812A ECG board 1 14 M04 060009 Bolt M3 14 1 15 DA8K 20 14426 SPO2 board mount 1 16 9006 30 33900 SPO2 board 1 17 630D 30 09121 630D pump 1 18 7000 30 24511 Nellcor SP02 module 1 19 0010 10 12274 MASIMO SPO2 module 1 20 7000 20 24387 Insulation sheet for power board 1 21 7001 30 67439 Power board for lithium battery 1 22 7001 30 67464 AG module with O 1 23 7001 30 67461 AG module without O 1 24 7001 30 67458 Mainst
18. the ultrasonic imaging system as far as possible e It is dangerous to expose electrical contact or applicant coupler to normal saline other liquid or conductive adhesive Electrical contact and coupler such as cable connector power supply and parameter module socket inlet and frame must be kept clean and dry Once being polluted by liquid they must be thoroughly dried If to further remove the pollution please contact your biomedical department or Mindray 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 Service Manual Warranty 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
19. to 2ms Rise time 10us to 100us Min input slew rate 50V s RTI ST segment measurement Measurement range 2 0 to 2 0 mV 0 8 to 0 8mV 0 02mV or 10 whichever is Precision greater Beyond this range Undefined Update period 10s Arrhythmia analysis Type ASYSTOLE VFIB VTAC PVC COUPLET VT gt 2 BIGEMINY TRIGEMINY R ON T MISSED BEATS TACHY BRADY PNC and PNP 33 Chapter 3 Product Specifications 3 9 RESP Specifications Measurement technique Thoracic impedance Lead Optional lead I and lead Il default lead II Differential input gt 2 5MQ impedance Respiration impedance test 0 3 to 3Q range Excitation current lt 30014 A Baseline impedance range Bandwidth Sweep speed 200 to 25009 using an ECG cable with 1kQ resistance 0 2 to 2Hz 3 dB 6 25 mm s 12 5 mm s 25 mm s RR Adult 0 to 120 BrPM Measurement range Pediatric neonate 0 to 150 BrPM Resolution 1 BrPM o 7 to 150 BrPM 2 BrPM or 2 whichever is greater Precision 0 to 6 BrPM Undefined Apnea alarm delay 10 to 40s 34 Chapter 3 Product Specifications 3 10 SpO gt Specifications 1 1 1 Mindray SpO2 Module SpO Measurement range 0 to 100 Resolution 1 70 to 100 2 adult pediatric non motion conditions o 70 to 100 3 neonate non motion conditions Precision in 70 to 100 3 in motio
20. 2 mount 1 17 9006 30 33900 9006 SPO2 board 1 18 812A 30 08569 812A ECG board assembly 1 19 M04 060009 Bolt M3 x 14 3 20 7001 20 67403 CO module mounting board 1 21 7000 20 24509 Insulation plate for ECG board 1 22 M04 051121 Cross head screw M2 5X8 4 23 M90 000002 Insulation flat washer 4 24 M02A 30 25930 CO module 1 25 0000 10 11002 Wireless network card 1 26 9201 30 35920 CF card interface board 1 27 7001 30 67468 Flexible cable for CF card 1 28 M04 002505 Cross head screw M3 x6 4 29 7001 30 67454 Power socket assembly 1 30 M04 021024 Washer 3 31 M04 00301 2 Cross head screw M3 X6 39 32 9200 21 10442 Backlight board connecting wire 1 33 8000 21 10141 Power cord for DC DC converter 1 34 7001 30 67438 Lead acid battery power board 1 35 7000 20 24387 Power board insulation sheet 1 36 7001 20 67470 Power board mount 1 37 9210 30 30150 Main board 1 38 9901 10 23920 Conducting pad 1m 39 7000 20 24365 Battery latch 1 40 7000 20 24420 Screw for fixing battery latch 1 41 7000 20 24366 Main support 1 42 M04 030031 Hex bolt M3 x 20 1 43 M04 000603 Lock washer 1 44 M04 000306 Bolt M3 x 16 1 45 630D 30 09111 630D PCB assembly 1 46 A21 000009 Hose Am 47 7000 20 24539 Screen support 1 for LG screen 1 48 7000 20 24446 Keypad connecting wire 1 49 7000 20 24447 Net twine 1 50 9200 21 10446 Communication wire to ECG TEMP RESP 1 board 51 7000 20 24442 Communication wire to SPO2 board 1 49 Chapter 4 Disass
21. ALL RIGHTS RESERVED Responsibility on the manufacturer party 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 applied electrical appliance is in compliance with relevant National Standards e the monitor is operated under strict observance of this manual A Warning A For continued safe use of this equipment it is necessary that the listed instructions are followed However instructions listed in this manual in no way supersede established medical practices concerning patient care e Do not rely only on audible alarm system to monitor patient When monitoring Service Manual adjusting the volume to very low or completely muting the sound may result in the disaster to the patient The most reliable way of monitoring the patient is at the same time of using monitoring equipment correctly manual monitoring should be carried out e This multi parameter patient monitor is intended for use only by medical professionals in health care institutions e To avoid electrical shock you shall not open any cover by yourself Service must be carried out by qualified personnel e Use of this device may affect ultrasonic imaging system in the presence of the interfering signal on the screen of ultrasonic imaging system Keep the distance between the monitor and
22. Manufacture Shenzhen Mindray Bio Medical Electronics Co Ltd Address Mindray Building Keji 12th Road South Hi tech Industrial Park Nanshan Shenzhen 518057 P R China Phone 86 755 26582479 26582888 Fax 86 755 26582934 26582500 Service Manual Safety Precautions 1 Meaning of Signal Words In this manual the signal words DANGER WARNING ana CAUTION are used regarding safety and other important instructions The signal words and their meanings are defined as follows Please understand their meanings clearly before reading this manual Indicates an imminently hazardous situation which if not ADANGER Dp ne avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided AWARNING nE could result in death or serious injury Indicates a potentially hazardous situation which if not avoided ACAUTION pes a may result in minor or moderate injury 2 Meaning of Safety Symbols Symbol Description Type BF applied part Attention Refer to the operation manual Safety Precautions Please observe the following precautions to ensure the safety of service engineers as well as operators when using this system AADANG ER Do not use flammable gases such as anesthetics or flammable liquids such as ethanol near this product because there is danger of explosion AWARNING Do not connect this system to outlets with the same circuit breakers and f
23. P Specifications Number of channels 2 Pressure labels ART PA CVP RAP LAP ICP P1 and P2 ART 0 to 300 mmHg PA 6 to 120 mmHg Measurement range CVP RAP LAP ICP 10 to 40 mmHg P1 P2 50 to 300 mmHg Resolution 1 mmHg Precision 2 or 1mmHg whichever is greater Update period Is Pressure transducer Sensitivity 5 uV V mmHg Impedance range 300 to 3000Q 39 3 14 CO Specifications Chapter 3 Product Specifications Measurement technique Thermal dilution Calculated parameter CO hemodynamics CO 0 1 to 201 min Measurement range TB 23 to 43 C TI 0 to 27 C CO 0 1 l min Resolution TB TI 0 1 C CO 5 or 0 1 1 min Precision TB TI 0 1 C Alarm range TB 23 to 43 C 40 Chapter 3 Product Specifications 3 15 CO Specifications Measurement technique Infrared absorption technique Measurement mode Sidestream microstream or mainstream optional Displayed parameter EtCO2 FiCO2 Respiration Rate CO2 function Meet the requirements of EN864 and ISO9918 1 1 4 Mindray CO Specifications CO2 measurement range 0 to 99mmHg 0 to 40 mmHg 2mmHg Precision 41 to 76 mmHg 5 77 to 99 mmHg 10 Deflation rate 100 150m1 min Precision of deflation rate 15 Start up time of CO2 module lt Imin The module enters the warming up
24. PM 7000 Patient Monitor Service Manual Service Manual Copyright 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 this manual is subject to changes without prior notice PROPERTY OF SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
25. al Process Network The NIBP signal is the differential input signal The difference amplifying circuit amplifies the dual end difference signal and converts it to the single end signal meanwhile this circuit sends a channel of signal to the A D conversion part and the other to the DC isolating and amplifying circuit The DC isolating and amplifying circuit removes DC components from the signal amplifies the signal and then sends it to the A D conversion part A D The A D conversion part converts the analog signal to the digital signal and sends it to the CPU System for further processing Over Pressure Detect The circuit detects the NIBP pressure signal Once the pressure value exceeds the protected pressure value it will send a message to the CPU System which asks the Valve Drive Circuit to open the valve to deflate the cuff CPU System E Implementing the logical control of all the circuits E Implementing the data processing for the NIBP parameter E Implementing the communication with the main board 2 2 6 Recorder Module 2 2 6 1 General This module is used to drive the heat sensitive printer 2 2 6 2 Principle diagram Printer Status Detect Circuit CPU System Line Thermal RAM ROM Main Printer 2 Watchdog E i board Logic Control Step Motor Drive Circuit Figure 2 9 Working principle of the recorder module 14 Chapter 2 Principles 2 2 6 3 Principle Thi
26. balls are forced by the relatively stronger paramagnetic oxygen out of the magnetic field The moment of the force acting on the balls is proportional to the paramagnetic strength as well as to the concentration of the paramagnetic oxygen 24 Chapter 3 Chapter 3 Product Specifications Product Specifications 3 1 Safety Classifications Type of protection against electric shock Class I with internal electric power supply Where the integrity of the external protective earth ground in the installation or its conductors is in doubt the equipment shall be operated from its internal electric power supply batteries Degree of protection against electric shock Monitor B Sidestream CO AG BF defibrillation proof ECG RESP TEMP SpO NIBP IBP CO mainstream CO CF defibrillation proof Degree of protection against hazards of ignition of flammable anesthetic mixtures Not protected ordinary Degree of protection against harmful ingress of Not protected ordinary water Mode of operation Continuous Equipment type Portable 25 Chapter 3 Product Specifications 3 2 Environmental Specifications Operating temperature Operating humidity 0 to 40 C 5 to 35 C With Mindray CO module 10 to 35 C With Welch Allyn CO module 5 to 35 C With Oridion CO module 10to 35 C With AION AG module 15 to 95 noncondensing Atmospheric pressure 70 0
27. cations sse eee eee 43 3 16 AG Specifications tia dd 44 Chapter 4 Disassembling Assembling amp Troubleshooting sss sese eee eee eee 47 4 1 PM 7000 Disassembling Assembling sss ses eee eee eee eee 47 4 1 2 PM 7000 Support Assembly rara n R nono n nn cnn n nora nnnnnn no 48 4 1 3 Front Bezel Assembly oooooonocccnonocoonccnoncncononcnonncnononon conan conononconnncnn non DKE eea REFE 50 4 1 4 Rear Housing Assembly oooooooccnocccconccconcncnonncnoncnnononcnnonononncnonnnconn nono rn cnn nnrnon rn none ncannncinnss 51 4 1 5 Microstream CO Assembly n nannan nono nncnn nn cnn OTa 52 A2 TFOUBIESMOOTING ria A Tied da DAS 53 4 2 1 Black Screen Startup Failure eee eee 53 4 2 2 White Screen amp Other Abnormal Screen eee eee eee 54 4 2 3 Encoder Faults cris 54 4 2 4 No A dio Alai Maui al inside 54 4 25 Printing Failure iii 54 4 2 6 Abnormal Paper Drive sese 54 Chapter 5 Test and Material LIS 55 DA 1219 Procedure ic Aca a 55 5 1 1 Connection and CHECKING oooooconocccccncnoccconcnnnnanononononanonnonnonnonnnnanonnonnonnnnnconnonncnnos 55 9 12 Functions Of BUttOns io 55 9 1 3 ECG RESP cian 55 5 1 4 Temperature sese eee eee eee 56 Service Manual MSN U I A lO de ds 56 A 56 EA D B I E E TTT 56 LRU E OA OO 57 O O 57 5 1 10 Recorder T 58 AZ PO WEE SUP e reo les o entes el e les T 58 SAB Clock nnana ek dane toda heh te Meatods eed te en eh hd Oe estea el Be ees 58 NS A eae HS ed te a une 58 52 NIBP Caltbrat
28. cess Network After that the signals are amplified and low pass filtered and then sent to the CPU System for processing IBP Signal Process Network The IBP signal is the differential signal After the common mode filtering the difference signal is amplified by the difference amplifying circuit which changes the dual end signal to the single end signal After the low pass filtering the IBP signal is sent to the CPU System for processing CPU System RB Converting the analog signal obtained by the circuit to the digital signal E Implementing the logical control of all parameter parts B Implementing the data processing for the two parameters B Implementing the communication with the main board Power amp Signal isolate Circuit RB Isolating the external circuits to ensure the safety of human body R Supplying power for all circuits E Implementing the isolation communication between the CPU System and the main board Chapter 2 Principles 2 2 4 SpO Module 2 2 4 1 General This module provides the function of measuring the Pulse Oxygen Saturation SPO 2 2 4 2 Principle diagram SPO2 gt SPO2 Signal Process Circuit CPU System RAM ROM Power 8 r Watchdog a Signal Main Logic Control isolate Circuit board LED Figure2 7 Working principle of the SpO module 2 2 4 3 Principle The SpO measurement principle 1 Collecting the light signal of the red light and infrared transmitting through the fin
29. dad 22 2 4 5 EMP e deL cette seins es lo ieee cers 22 2 4 6 MB e e 22 2 4 7 E ON 23 2 4 8 CO TTT 23 2 4 9 Ni E ia O o ON 23 Service Manual Chapter 3 Product Specifications sihi riein ein aeina aaa ao non nncan nn cnn eiei vo 25 3 1 Safety Classifications sse eee eee 25 3 2 Environmental Specifications ooooooococoooncoonncoonnononcnconnncnnonononnononnnnonnncnn nn cnn nrcno nro n ron nennnnnnnns 26 3 3 POWEr Source Specifications csser eas a ei eee 27 3 4 Hardware Specifications cicle 28 32D Wireless OE WO caia sido aan 29 3 68 Data Storage ii A A bn 30 3 7 Signal Output Specifications 2 AA A Td adeo 31 3 8 ECG Specifications ui ias 32 3 9 RESP Specifications cccccccsccsssscsssseeeneeeeseeesseeessreeeseeesseeesseecsseecseseeeeeeeeseeesseeeseseeeeeeeneees 34 3 10 SpO SpecificatioNS oir titi 35 kii Mindray SpOx Module ias a ai 35 1 1 2 Masimo SpO Specifications cccccccccccssccseseeeesseeeseeceseecssceeeeseeeeeeeseeceseeessseeeseeeseees 35 1 1 3 Nellcor SpO Specifications ccccecsccesssecseceeeenseeeneeesseeceseeseeeeeeeeseeceseeeseeeeseeenseees 36 LT oIBPSpecificatlomss sd xictetsvees A rin 37 3 1 2 TEMP ECC MO A el POR 38 3 13 IBP Specifications enisinia iiri ia cove ce E aa ii 39 3 14 CO Specifications sese 40 ENE R SpecitiCatiOns dnde rte dota ente Aiea oe 41 1 1 4 Mindray CO Specifications renina a a E RE R E 41 1 1 5 Oridion CO Specifications sese eee eee 42 1 1 6 Welch Allyn CO Specifi
30. dures and makes it more effective For patients in hospital the basic and important physiological information is required including ECG SpO RESP IBP CO CO TEMP etc In recent years the development of science and technology helping measure and get important physiological information of patients has made the patient monitor more comprehensive in performance and better in quality Today multi parameter patient monitors are widely used 1 2 2 Usage Parameters that the PM 7000 include ECG RESP SpO NIBP TEMP IBP CO AG and CO PM 7000 converts these physiological signals to digital signals processes them and displays them on the screen You can set the alarm limit as required When the monitored parameter 1 Chapter 1 About the Product exceeds the preset alarm limit the patient monitor will start the alarm function In addition you can control the patient monitor through the control panel Usually patient monitors are seen in some clinical areas in hospital such as ICU CCU intensive care units for heart disease patients operating rooms emergency departments and observation wards They can also be used in clinics The PM 7000 should be run under the control of clinical staff PM 7000 has the following functions ECG RESP SpO NIBP TEMP IBP CO CO AG Heart Rate HR 2 channel ECG waveform Arrhythmia analysis and S T analysis optional Respiration Rate RR Respiration waveform
31. e hour day month and year CPU can read and modify the calendar information from RTC Ethernet Controller Ethernet Controller supports the IEEE802 3 IEEE802 3u LAN standard and supports two data transmission rate 10Mbps and 100Mbps CPU exchanges data with the Ethernet through the Ethernet Controller Analog Output The D A converter converts the digital ECG IBP signals sent from CPU to the analog signals which are provided for the external after low pass filtered by the filter and amplified by the amplifier FPGA and VRAM VRAM stores the displayed data CPU stores the displayed data to VRAM through FPGA FPGA gets data from VRAM processes them and then sends them to the relevant graphic display device Chapter 2 Principles In addition FPGA also extends multiple serial ports which communicate with peripheral modules FPGA transfers the received data to CPU through the bus CPU delivers data to FPGA through the bus and then the FPGA transfers those data to the peripheral modules Watchdog When powered on watchdog provides reset signals for CPU FPGA and Ethernet Controller The patient monitor provides the watchdog timer output and voltage detection functions 2 2 2 ECG RESP TEMP Module 2 2 2 1 General This module provides the function of measuring three parameters electrocardiograph ECG respiration RESP and temperature TEMP 2 2 2 2 Principle diagram ECG Signal Pace Po Process Circuit Detect
32. e parameter measurement part of the PM 7000 consists of the measurement probe parameter input socket assembly NIBP assembly and the main control board This part converts the physiological signals to electric signals processes the those signals and conducts the calculation by the preset program or command delivered from the main control board and then sends the values waveforms and alarm information which will be displayed by using the man machine interface to the main control board 2 1 2 Main Control Part In the PM 7000 the main control part refers to the main control part of the main control board lt drives the man machine interface manages the parameter measurement and provides users with other special functions such as storage recall of waveforms and data See Figure 2 1 2 1 3 Man Machine Interface The man machine interface of the PM 7000 includes the TFT display recorder speaker indicator buttons and control knob The TFT display is the main output interface It with the high resolution provides users with abundant real time and history data and waveforms as well as various information and alarm information The recorder is a subsidiary of the display which is used for the user to print data The speaker provides the auditory alarm function The indicator provides additional information about the power supply batteries alarms and so on The buttons and control knob are the input interface which are used for
33. e 3 way stopcock to the sphygmomanometer Select the channel to be calibrated in the menu and select the pressure value to which the IBP is to be adjusted Inflate to make the mercury bar rise to the setup pressure value Adjust repeatedly until the value in the menu is equal to the pressure value shown by the mercury calibration Press the Start button the device will begin calibrating Wait for the calibrated result You should take corresponding measures based on the prompt information After calibration disassemble the blood pressure tubing and the attached 3 way valve Calibration completion message SUCCESSFUL CALIBRATE 5 4 CO2 CHECK Check procedure for sidestream module only Via the PM 7000 s system and maintain menus you are prompted for a password for entering the factory key After entering the password you get access to the pump rate settings and to check the accuracy of the CO2 measurement Using the below test set up to verify the accuracy of the CO2 module Air Regulator 2 10 C02 Plo Water C02 Meter trap canister Bench Figure 5 6 Sidestream test set up 62 Chapter 5 Test and Material List A Note A Neither the mainstream nor the sidestream module can be calibrated Only the overall performance and accuracy is checked If the Co2 module fails the tests it should be replaced FACTORY MAINTAIN eee the sub nenu of 0Z a pn fing y tl y YT TN BAROMETRIC Arr C02 ed dc
34. e IBP PRESSURE CALIBRATE menu as shown below 60 Chapter 5 Test and Material List IBP PRESSURE CALIBRATE CH1 CAL VALUE 200 CALIBRATE 200 200 08 10 2001 00 07 00 CHZ CAL VALUE 200 CALIBRATE 200 144 68 10 2001 00 00 00 Back to the upper menu Figure 5 4 IBP Calibration Menu Calibrate the transducer Turn the knob to select the item CH1 CAL VALUE press and turn the knob to select the pressure value to be calibrated for channel 1 Then turn the knob to select the item CALIBRATE to start calibrating channel 1 Turn the knob to select the item CH2 CAL VALUE press and turn the knob to select the pressure value to be calibrated for channel 2 Then turn the knob to select the item CALIBRATE to start calibrating channel 2 m The pressure calibration of PM 7000 Pressure transducer stopcock Pressure transducer interface cable Monitor Figure 5 5 IBP Calibration You will need the following pieces of equipment e Standard sphygmomanometer e 3 way stopcock e Tubing approximately 25 cm long 61 Chapter 5 Test and Material List The Calibration Procedure Ris Goh r a 9 10 11 Close the stopcock that was open to atmospheric pressure for the zero calibration Attach the tubing to the sohygmomanometer Ensure that connection that would lead to patient is off Connect the 3 way connector to the 3 way stopcock that is not connected to the patient catheter Open the port of th
35. efers to the ECG pace signal It has significant interference to the ECG signal detection The PACE rejection circuit can rejects the PACE signal which helps the ECG signal detection The main amplifying filtering circuit conducts the secondary amplification of the ECG signal filters the signal and then sends the ECG signal to the A D conversion part Pace Detect This part detects the PACE signal from the ECG signal and sends it to CPU Temperature Detect Circuit This circuit receives the signal from the temperature transducer amplifies and filters it and then sends it to the A D conversion part Carrier Generate Circuit The RESP measurement is based on the impedance method While a man is breathing the action of the breast leads to changes of the thoracic impedance which modulates the amplitude of the high frequency carrier signal Finally the modulated signal is sent to the measurement circuit The purpose of this module is generating the high frequency carrier RESP Signal Input Circuit This circuit couples the RESP signal to the detecting circuit RESP Signal Process Circuit The pre amplifying circuit conducts the primary amplification of the RESP signal and filters it The detecting circuit detects the RESP wave that has been modulated on the actuating signal The level shifting circuit removes the DC component from the RESP signal The main amplifying filtering circuit conducts the secondary amplification of the RESP signal filt
36. embling Assembling amp Troubleshooting 52 M02A 20 25909 Communication wire to CO module 1 53 7000 20 24444 Communication wire to IBP module 1 54 7000 20 24439 Communication wire to power board 1 55 7000 20 24438 Power cord 1 56 7000 20 24500 Signal wire to recorder 1 57 7000 20 24443 Communication wire to NIBP board 1 58 9200 21 10454 TFT connecting wire 1 4 1 3 Front Bezel Assembly 6 Figure 4 3 Front bezel assembly SN P N Description Qty 1 7000 20 24354 51 Front bezel 1 2 9200 30 10701 Alarm light board 1 3 7000 20 24373 Anti glare screen 1 4 7000 20 24358 Alarm light shade 1 5 7000 20 24357 52 Transparent plate for protecting buttons 1 6 7000 20 24369 Knob 1 7 900E 20 04895 Dust pad 2 2 8 900E 20 04894 Dust pad 1 2 9 6200 30 09774 Screen encoder mount 1 50 Chapter 4 Disassembling Assembling amp Troubleshooting 10 7000 20 24356 51 Silicon button 1 11 7000 20 24368 Button fixture 1 12 M04 003905 Cross head tapping screw PT3 X6 2 13 DA8K 20 14416 Connecting wires for encoder 1 14 7001 30 67441 Button board 1 15 M04 003105 Cross head tapping screw PT3 lt 8 6 4 1 4 Rear Housing Assembly Figure 4 4 Rear housing assembly SN P N Description Qty 1 7000 21 24435 Rear housing 1 2 M04 000301 Stainless steel nut 2 3 7000 20 24435 Non skid strip 2
37. eoretical effect on oximeter measurements of fetal hemoglobin in neonatal blood 36 Chapter 3 Product Specifications 3 11 IBP Specifications Measurement technique Auto oscillation Displayed parameters Systolic pressure diastolic pressure and mean pressure Mode of operation Manual auto and continuous Measurement interval in auto mode 1 2 3 4 5 10 15 30 60 90 120 180 240 480 minutes Measurement time in Measurement range in normal mode i 5 minutes continuous mode mmHg Adult Pediatric Neonate Systolic 40 to 270 40 to 200 40 to 135 pressure Diastolic 10 to 210 10 to 150 10 to 100 pressure Mean pressure 20 to 230 20 to 165 20 to 110 Measurement precision Maximum average error SmmHg Maximum standard deviation 8mmHg Resolution ImmHg Adult 297 3 mmHg Over pressure protection Pediatric 24043 mmHg Neonate 14743 mmHg 37 Chapter 3 Product Specifications 3 12 TEMP Specifications Number of channels 2 Displayed parameters T1 T2 and TD Measurement range 0 to 50 C 32 to 122 F Resolution 0 1 C om 0 1 C excluding the sensor Precision 0 2 C including the YSI 400 series sensor Update period Is Minimum time for accurate measurement Body surface lt 100s Body cavity lt 80s YSI 400 series sensor 38 Chapter 3 Product Specifications 3 13 IB
38. ers the signal and then sends it to the A D conversion part A D The A D conversion part converts the analog signal to the digital signal and sends the signal to CPU for further processing CPU System a Implementing the logical control of all parameter parts and A D conversion parts El Implementing the data processing for all parameters L Implementing the communication with the main board Power amp Signal isolate Circuit m Isolating the external circuits to ensure the safety of human body E Supplying power for all circuits E Implementing the isolation communication between the CPU System and the main board 10 Chapter 2 Principles 2 2 3 CO IBP Module 2 2 3 1 General This module provides the function of measuring two parameters Cardiac Output CO and Invasive Blood Pressure IBP 2 2 3 2 Principle diagram m CO Signal Process Circuit TB CPU System RAM ROM Power amp Main AJD jat Signal board Watchdog isolate Circuit IBP1 gt IBP Signal Process Circuit IBP2 Figure 2 6 Working principle of the CO IBP module 2 2 3 3 Principle This module collects the CO IBP signal through the transducers processes it and sends it to the main board throgh the serial port CO Signal Process Network The CO parameter is measured with the thermal dilution method The transducer sends two signals TI Temperature of Injectate TB Temperature of Blood to the CO Signal Pro
39. est Assemble the TB and TI test fixture output three TB temperature values 36 C 37 C and 38 C Then TB should be respectively 36 0 0 1 C 37 0 0 1 C and 38 0 0 1 C Set the injectate switch to ON output two Tl temperature values 0 C and 2 C Then the screen should display 0 0 1 C and 2 0 0 1 C CO measurement Set the CO CONST and T to the default values 0 542 and 0 C set the injectate switch to OFF and then press START Then the simulator will output 0 C 2 5L M and 0 C 5L M within 2s The CO values should be 2 5 0 25L M and 5 0 5L M 5 1 9 CO 1 2 Test fixture CO steel bottle containing 10 CO2 Test procedure Mainstream CO measurement Set the calculation compensation of PM 7000 to COMMON Plug the mainstream transducer to the CO socket connect the windpipe connector with the CO steel bottle and open close the valve of the CO steel bottle based on the interval of 3s The CO value should be the calibration gas pressure value 764 5 mmHg When the valve is opened permanently the patient monitor prompts APNEA ALARM Unplug the transducer The patient monitor prompts CO transducer OFF on the main screen Plug the transducer again The patient monitor prompts CO transducer pre heated 2 Sidestream CO measurement Set the calculation compensation of PM 7000 to COMMON Plug the water trap to the water trap socket connect the sampling tube with the CO steel bottle and open close t
40. ference can be filtered Check in all the above mentioned cases the consistency between the heartbeats the flashes of the red heart like indicator and the R wave The gain has no impact on the message ECG signal over weak in the HR calculation Verify the range and precision Suppose that the amplitude of the GCG signal of the simulator is 1mV the heart rates are respectively 30 60 120 200 240 and 300 Check leads Il and Ill The results should meet 29 31 59 61 119 121 198 202 238 242 and 297 303 PACE pulse test Set the simulator to PACE You should be able to view the pace Change PACE amplitude to 8 700mv and pulse width to 0 1ms 2ms The PACE should be legible and LEAD OFF is displayed properly RESP measurement Set the baseline impedance to 1K the respiration impedance to 0 50 and 30 and the respiration rate to 30 and 120 The respiration rate should be 29 31 118 122 PVC test Set the simulator to the PVC mode and set the occurrence times The relevant PVCS should be obtained Set the simulator as follows RR 40 baseline impedance 2KQ RESP waveform 3 1 Open the apnea alarm set the respiration resistance to 00 and set various alarm time Alarms should be given 55 Chapter 5 Test and Material List 5 1 4 Temperature 1 YS probe Select YSI probe from the manufacturer menu select YSI temperature probe as the test fixture set the analog resistance to 1 471K 1 355K and 1 249K The
41. fter the batteries are assembled the battery electricity is displayed in the battery indication frame on the main screen The patient monitor can work normally with or without batteries It however should give an alarm when the batteries are exhausted 5 1 13 Clock Verify the correctness of the clock in the system test and then set the clock to the current time 5 1 14 System Test Load all parameters and conduct operations respectively on the loaded parameters During the synchronization no exceptions for example mutual interference occur Set all parameter setups in menus to the default values which are those at the time of software loading and conduct operations on the menus for example managing the patient information recalling data and so on All the operations should be done normally and the corresponding functions should be correct and meet the product requirements 58 Chapter 5 Test and Material List 5 2 NIBP Calibration ITEM DESCRIPTION QTY Pressure gauge 500m steel bottle 3 Inf lator 1 4 T piece 2 5 Windpipe TTT Basa Noe 3 Et WuJsz0 3 Figure 5 1 NIBP Calibration Calibration method Based on the precision of 50mmHg 6 7kPa increase the pressure step by step The maximum error at any pressure point within the NIBP measurement range of the patient monitor should be no more than 3mmHg 0 4kPa Decrease the pressure step by step The maximum error at any
42. ger or toe which is pulsing 2 Processing the collected signal to get the measured result The drive circuit of the LED and the gain of the amplifying circuit should be controlled according to the different perfusions and transmittances of the tested object Led Drive Circuit This circuit supplies the LED with the drive current which can be regulated SPO2 Signal Process Network The pre amplifying circuit converts the photoelectric signal to the voltage signal and conducts the primary amplification The gain adjusting and amplifying circuit conducts the secondary signal amplification and adjusts the gain The biasing circuit adjusts the dynamic range of the signal and sends it to the A D conversion part A D The A D conversion part converts the analog signal to the digital signal and then sends it to CPU for further processing D A The D A conversion part converts the digital signal received from CPU to the analog signal and provides the control signal for the Led Drive Circuit and SPO2 Signal Process Network 12 Chapter 2 Principles CPU System E Implementing the logical control of all the circuits B Implementing the data processing for the SpO parameter B Implementing the communication with the main board Power Signal isolate Circuit RB Isolating the external circuits to ensure the safety of human body R Supplying power for all circuits B Implementing the isolation communication between the CPU System and the main board
43. gt 5 Not specified 0 to 25 1 O2 Optional 25 to 80 2 80 to 100 3 2 to 60 BrPM 1 BrPM AwRR gt 60 BrPM Not specified CO2 0 to 10 0 76 mmHg Alarm range AwRR 2 to 100 BrPM Apnea alarm delay AwRR 20 40s Refreshing rate Is Calibration Yearly calibration requested Calibration stability After module being used for 12 consective months the error is lt 1 Rise time 10 to 90 CO 250 ms fall time 200 ms Sampling flow 120ml min N20 250 ms i TM using the DRYLINE O 600ms water trap and neonatal DRYLINE sampling HAL ISO SEV DES 300 ms Rise time 10 to 90 CO 250 ms fall time 200 ms Sampling flow 200m1 min N O 250 ms using the DRYLINE water trap and adult O2 SOs DRYLINE sampling HAL ISO SEV DES 300 ms 45 Chapter 3 Product Specifications line 2 5m ENF 350 ms Delay time lt 4s 46 Chapter 4 Disassembling Assembling amp Troubleshooting Chapter 4 Disassembling Assembling amp Troubleshooting 4 1 PM 7000 Disassembling Assembling 4 1 1 Exploded View of PM 7000 5 4 Figure 4 1 Exploded view of PM 7000 NO Material code Part amp Specification Quantity 1 7001 30 67413 Front bezel assembly 1 2 0000 10 10876 Hose 4 1 5mm 0 33 3 7001 30 67452 Main support assembly 1 4 7001 30 67450 Rear housing assembly 1 5 900E 20 05085 Label 1
44. he valve of the CO steel bottle based on the interval of 3s The CO value should be the calibration gas pressure value 76 5 mmHg When 57 Chapter 5 Test and Material List the valve is opened permanently the patient monitor prompts APNEA ALARM Unplug the water trap The patient monitor prompts CO water trap OFF Plug the water trap again The prompting message disappears When the measured value exceeds the high limit of CO2 the patient monitor prompts CO too high on the main screen When the measured value is lower than the low limit the patient monitor prompts CO too low 5 1 10 Recorder 1 Print the ECG waveform The recorder should print it normally and clearly Set the recorder to the fault of lack of paper and abnormal clip There should be relevant prompting messages on the main screen When the fault is cleared the patient monitor should become normal 2 Print the alarm messages of all parameters Set the alarm print switch to ON for all parameters and set different alarm limits Then the recorder should print the alarm message in case of an alarm 5 1 12 Power Supply When the patient monitor is supplied with the external AC power the CHARGE indicator becomes ON When it is disconnected from the external AC power the CHARGE indicator becomes OFF After the patient monitor is started without assembling the batteries x is displayed in the battery indication frame on the main screen A
45. htweight patient monitor Its color TFT LCD is able to show patient parameters and 7 waveforms clearly The compact control panel and knob control and the easy to use menu system enable you to freeze record or perform other operations conveniently The PM 7000 measures patients ECG NIBP SpO TEMP RESP IBP CO and CO physiological signals through the ECG electrode SpO sensor cuff temperature sensor and pressure transducer During the measurement the patient monitor does not get energy or any substance from the human body and does not release any substance to the human body However it releases sine wave signals to the patient when measuring the respiration rate The patient monitor converts the measured physiological signals to the digital signals waveforms and values and then displays them on the screen You can control the patient monitor through the control panel For example you can set different alarm limits for different patients Thus when the patient monitor detects any physiological parameter exceeding the preset alarm limit it will enable the audio and visual alarm 1 2 Application 1 2 1 General In the treatment processes it is necessary to monitor important physiological information of patients Therefore the patient monitor has been playing an outstanding role among medical devices The development of technology does not only help medical staff get the important physiological information but also simplifies the proce
46. ionici cccccccccccssccsccetscenccetscenscenscenccedacenscotecenccnconacosecosecotecetacebecobedesedevadesecevede 59 5 3 IBP CALIBRATE 2 00 ccccccccccessesceseseeseeseescseeseeseeseeesesseeseeenecsesseeseeeesecaeeseeeeeeesesseeseeeeeees 59 DACO CHECK iii ce AE tected closed declens aera denied aed daria dercest toete ole RE 62 B AG CALIBRATE cin taa a air eee 64 55 1 AG o TAN 64 55 2 AG CALIBRAT Bivsssc secs ecic5ech co cbeth is been iii 65 5 6 Bill of Materials for PM 7000 Main Unites sees 66 Chapter 6 Maintenance and Cleaning sss eee eee 67 E NN 67 6 1 Checking Before Us sia a 67 6 1 2 Regular Checa 67 6 2 ITE e re ase a es ore R treet tere teo eee 67 6 3 Cleaning Reagente nenene aid 67 6 4 SEUL MA E S E AN S 68 6 5 Disinfection T 68 Chapter 1 About the Product Chapter 1 About the Product 1 1 Introduction The PM 7000 Patient Monitor hereinafter called PM 7000 for short a portable and accessible patient monitor is supplied by rechargeable batteries or external AC DC power which applies to adults pediatric and neonates You can select different configurations as required Besides the PM 7000 can be connected with the central monitoring system whereby a monitoring network will be formed Parameters that the PM 7000 can monitor include ECG RESP SpO NIBP 2 channel TEMP 2 channel IBP CO CO and AG It integrating the functions of parameter measurement waveform monitoring freezing and recording is a compact and lig
47. itions sensor 42 C airway adapter temperature 33 C water vapor pressure 38 mmHg standard gas mixture equals CO2 in balance air fully hydrated at 33 C atmospheric pressure 760 mmHg airway flow rate 60 cc min 43 Chapter 3 Product Specifications 3 16 AG Specifications Measurement technique Infrared absorption Measurement mode Side stream AG functions Meets requirements of ISO9918 ISO11196 EN12598 and 1807767 Warm up time 45 seconds warming up status ready to measure status 10 minutes Sampling flow Adult Pediatric 120 150 200 ml minute user selectable sidestream Neonatal 70 90 120 ml minute user selectable Gas type CO N20 O optional Des Iso Enf Sev Hal CO 0 to 30 N20 0 to 105 Des 0 to 30 Measurement range Sev 0 to 30 Enf Iso Hal 0 to 30 O 0 to 105 AwRR 2 to 100 BrPM CO 1 mmHg Resolution AwRR 1 BrPM Precision Gas Range REL Precision ABS 0 to 1 0 1 1 to5 0 2 CO2 5 to 7 0 3 7 to 10 0 5 gt 10 Not specified 0 to 20 2 N20 20 to 100 3 Des 0 to 1 0 15 lto 5 0 2 44 Chapter 3 Product Specifications 5 to 10 0 4 10 to 15 0 6 15 to 18 1 gt 18 Not specified 0 to 1 0 15 1 to5 0 2 Sev 5 to8 0 4 gt 8 Not specified 0 to 1 0 15 Enf Iso Hal 1 to 5 0 2
48. kPa 106 0 kPa 86 0 kPa 106 0 kPa With Oridion CO module Storage temperature 20 to 60 C Storage humidity 10 to 95 noncondensing 26 Chapter 3 Product Specifications 3 3 Power Source Specifications AC mains Input voltage 100 to 240V Frequency 50 60 Hz Power 140VA DC mains Input voltage 10 to 16VDC Crating 12 VDC Power 80W Internal battery Number of batteries 1 Type Sealed lead acid battery or lithium ion battery Time to shutdown 5 to 15min after the first low power alarm Sealed lead acid battery Nominal voltage 12VDC Capacity 2 3Ah Operating time 75 minutes typical when powered by one new fully charged battery 25 C ECG SpO2 NIBP measurement per 15 minutes Charge time About 8 h in the running status or standby mode Lithium battery Rated voltage 11 1VDC Capacity 4 4Ah Operating time 150 minutes typical when powered by one new fully charged battery 25 C ECG SpO2 NIBP measurement per 15 minutes Charge time About 8 h in the running status or standby mode 27 Chapter 3 Product Specifications 3 4 Hardware Specifications Physical Size 310 x 280 x 150mm widthxheightxdepth Different due to different configurations Weight Standard configuration 5 5kg Display Type Color TFT LCD Size 10 4 inches diagonal Resolution 800
49. klight board Faull in connection wire from main control board Fault in connection wire from main control board to Faultin LCD display lo power PCB power PCB Fault in connection wire from main control Fault in the button panel Fault in power PCB board to power PCB Fault in pawar PCB Fault in main control board Fault in power PCB Faull in main control board Fault in main control board Check lupdate those components one by one to locate the fault Figure 4 6 Location flow of faults causing black screen 53 Chapter 4 Disassembling Assembling amp Troubleshooting 4 2 2 White Screen 8 Other Abnormal Screen In case of faults causing white screen or other abnormal screens M Check whether the LCD connection wires are in good contact R Replace the LCD connection wires or replace the LCD if necessary R Replace the main control board if the fault still exists 4 2 3 Encoder Faults 1 If all other functions indicator alarm buttons of the button panel are normal proceed to step 2 otherwise replace the button panel 2 Check whether short circuit or abnormal open circuit occurs in the encoder pad 3 Replace the encoder 4 2 4 No Audio Alarm 1 Check whether the audio alarm function is disabled in the software settings 2 Replace the speaker 3 Replace the button panel 4 2 5 Printing Failure 1 Check whether there is any alarm about the recorder If any eliminate it Check whether the recorder indictor is on
50. ld be respectively 40 8mmHg 10 8mmHg_ and 20 8mmHg 5 1 6 SpO2 Select PLETH as the HR source of PM 7000 and put the finger into the SpO sensor The screen should display the PR and SpO values normally The normal SpO value is above 97 5 1 7 IBP 1 Test fixture Physiological signal simulator 2 Test procedure IBP1 test Set the BP sensitivity of the ECG simulator to 5uv v mmHg BP to OmmHG and the IBP channel 1 to ART Enter the IBP PRESSURE ZERO menu of the PM 7000 zero Channel 1 and then return to the main screen Set the BP of the simulator to 200mmHg Enter the IBP PRESSURE CALIBRATE menu of the PM 7000 conduct 56 5 1 8 CO 1 Chapter 5 Test and Material List calibration and then exit the IBP PRESSURE CALIBRATE menu Set the BP value of the simulator respectively to 40mmHg 100mmHg and 200mmHg Then the screen of the PM 7000 should display 40 1mmHg 10042mmHg and 200 4mmhHog Set the simulator output to ART wave Then the screen of the PM 7000 should display relevant waveform properly Unplug the IBP probe Then the screen should prompt IBP Transducer 1 OFF and IBP Transducer 2 OFF Plug the OHMEDA cable to the IBP1 channel Then the prompting message IBP Transducer 1 OFF disappears 2 IBP2 test Plug the IBP cable to the IBP2 channel and repeat the procedure in Section Test fixture Physiological signal simulator 2 Test procedure Injectate and blood temperature t
51. m mode the infrared light transducer takes a longer time to be preheated and there is no windpipe which is available in the sidestream mode 2 4 9 AG The Anesthesia Gas AG can be used to measure the AG and respiration gas of the anesthetized patient The AG concentration is measured based on the principle that the AG has the property of absorbing the infrared All gases that the AG module can measure have the property of absorbing the infrared and every gas has their own specific absorption peculiarity AG measurement procedure 23 Chapter 2 Principles 1 Send the gas to be measured to a sampling chamber 2 Use an optical infrared filter select a specific band of infrared and transmit it through the gas 3 Measure the infrared that gets through the gas to obtain the gas concentration For a given volume the higher the gas concentration is the more absorbed infrared is and the less the infrared that gets through the gas is For the measurement of multiple gases multiple infrared filters are required in the AG module The oxygen does not absorb the infrared within the above mentioned wave band Therefore the oxygen is measured based on its paramagnetism Inside the transducer of the O2 module there are two crystal balls full of nitrogen They are suspended in the symmetrical magnetic field and designed to point to the strongest outgoing part of the magnetic field Outside the balls is the paramagnetic oxygen Therefore the
52. n the TEMP parameter should be 35 0 1 C 3740 1 C and 3910 1 C 2 CY F1 probe Select CY F1 probe from the manufacturer menu select CY F1 temperature probe as the test fixture set the analog resistance to 6 534K 6 018K and 5 548K Then the TEMP parameter should be 35 0 1 C 37 0 1 C and 39 0 1 C 5 1 5 NIBP Connect the NIBP simulator adult cuff and accessories and then connect the module CUFF and clockwise screw it tightly 1 After the simulator self test press lt ENT gt to enter the ADULT analog blood pressure mode Set the blood pressure to the 255 195 215 mmHg level SHIFT to 15 and the HR to 80BPM Set PM 7000 to the adult mode Press lt START gt Then the results will be obtained in about 30s The measured results should be respectively 270 8mmHg 210 8mmHg and 230 8mmHg 2 Press lt ESC gt and lt gt on the simulator to enter the NEONATE mode Set the blood pressure to the 120 80 90 mmHg level HR to 120bmp and PM 7000 to the pediatric mode Press lt START gt Then the results will be obtained in about 30s The measured results should be respectively 120 8mmHg 80 8mmHg and 90 8mmHg 3 Press lt ESC gt and lt gt on the simulator to enter the NEONATE mode Set the blood pressure to the 60 30 40 mmHg level SHIFT to 20 HR to 120bmp and PM 7000 to the neonate mode Change the simulator accessory to the neonatal cuff Press lt START gt Then the results will be obtained in about 30s The measured results shou
53. n conditions 0 to 69 Undefined Refreshing rate Is PR Measurement range 20 to 254bpm Resolution lbpm 3 bpm non motion conditions Precision 5 bpm in motion conditions Refreshing rate Is 1 1 2 Masimo SpOz Specifications SpO Measurement range 1 to 100 Resolution 1 70 to 100 2 adult pediatric non motion conditions era 70 to 100 3 neonate non motion conditions 70 to 100 0 to 69 3 in motion conditions Undefined Refreshing rate ls PR 35 Chapter 3 Product Specifications Measurement range 25 to 240bpm Resolution lbpm 3bpm non motion conditions Precision 5bpm in motion conditions Refreshing rate ls 1 1 3 Nellcor SpO Specifications SpO measurement range and precision Sensor Range Precision MAX A MAX AL MAX N 70 to 100 2 MAX P MAX I and MAX FAST 0 to 69 Undefined OxiCliq A OxiCliq N OxiCliq P 70 to 100 2 5 OxiCliq I 0 to 69 Undefined D YS DS 100A OXI A N and 70 to 100 3 OXI P I 0 to 69 Undefined 70 to 100 3 5 MAX R D YSE and D YSPD 0 to 69 Undefined PR measurement range and precision 20 to 250bpm 3bpm 251 to 300bpm Undefined Refreshing rate Is When sensors are used on neonatal subjects as recommended the specified precision range is increased by 1 to account for the th
54. ntains an F Type isolated floating patient applied part providing a high degree of protection against shock and is suitable for use during defibrillation VII Service Manual Contents Chapter 1 About the Product sees 1 1 1 INTO JUICIO 0 ii A A a tai 1 t2 Applicaton ei aaa AEA AEAEE A EAE os 1 1 2 1 E L 1 13 STs anz aa 3 1 3 1 Ii een eh A sheen ee S ee ee eh aed 3 1 3 2 Humidity ge eee eee E a E E A a 3 1 3 3 Electrical specification sese 3 Chapter 2 sal e TTT 4 2 1 AA 4 2 1 1 Parameter Measurement irse Ai 5 2 1 2 Main Control Parts o naierara nan ann r ERNA E TREN 5 2 1 3 Man Machine Intertace cccccccssisacssessecssecsvacevesdecsaedevecsvessdesstevsvecsvevereversvavaveveveveved 5 2 1 4 POWEE Supply tea ef E E 5 2 1 5 Other Auxiliary Te Te nn E 5 2 2 Hardware RO sL 6 2 2 1 Main Board HT 7 2 2 2 ECG RESP TEMP Module sss sss 9 2 2 3 COBE Modules its ics cocci cdo tortitas erini E 11 2 2 4 SN U Lee lT 12 2 2 5 NIBP Module cic cicccccsccectecsedevcesccenccsadevacesccendcevacevacesscevacesadevacessdevacevadevadebedevecevadevad 13 2 2 6 Recorder Module iii ir sb tds brida 14 223 Bioton Pan at dos 15 2 2 8 Power E A AA AAA A LAA A aed ae 16 2 3 Software Description enema 17 2 3 1 CI AS E EAT E ETS EE EROS EAE A CONTO OO 17 2 3 2 Systemi ask a dd can 18 ZII PUNO A vee 19 2 4 System Parameter oirnn an E a EE E EAE ENET R EE RA TEE EN E E 20 2 4 1 Gnral ae 20 2 4 2 EC RESP o e o dio 20 2 4 3 A ON 21 2 4 4 aO T da e
55. of the system from being dipped a In sterilization do not spill the liquid to the patient monitor a Ensure no residue of sterilization agent on the surface of the patient monitor Clean it if any 6 5 Disinfection To avoid the long time damage to the patient monitor we recommend you Y To conduct only disinfection which is considered necessary in your maintenance plan v To clean the patient monitor before the disinfection Gas EtO or formaldehyde are forbidden for the disinfection of the patient monitor 68 P N 7001 20 67407 1 0
56. oo ke en ee ee Start check Figure 5 8 CO2 check menu 63 Chapter 5 Test and Material List 5 5 AG CALIBRATE 5 5 1 AG Check Using T piece to connect the watertrap and Agent steel bottle well One of the T piece ports must be vented to atmospheric pressure 2 Select MEASURE from work mode item in AG SETUP menu then set pump rate low and wait for 10 minutes after the warm up information disappears 3 Enter CALIBRATE menu then open AG bottle and press the VERIFY ACCURACY item CALIBRATE vle mi min tT tititi iif Y uj i Lido GIS EX IT Ola ii il I a Figure 5 9 AG Check Menu 4 Observe the display value after 1 minute The agent concentration accurate should be less than 15 5 Choose other pump rate middle or high and repeat the previous procedures pump rate definition three pump rate under adult mode 100 150 200ml min neonate 70 90 110 ml min gt 6 If the accurate over range please press START CAL 64 Chapter 5 Test and Material List 5 5 2 AG CALIBRATE CAgent gt 1 5 CO2 gt 1 5 N20 gt 40 O2 gt 40 1 Press START CAL then input password MINDRAY entering CALIBRATE menu Note Make sure the AG in Measure mode not Standby mode before you do calibrate ENTER CAL PASSWORD annan ae a En Set Coz concentration Figure 5 11 2 Input each gas concentration value according to the label on
57. plifiers When the probe is disconnected the voltage input is lower than the comparing voltage so the voltage comparator outputs the low level when the probe is connected the voltage input is higher than the comparing voltage so the voltage comparator outputs the high level 2 4 6 IBP The IBP module can monitor the arterial pressure central venous pressure and pulmonary arterial pressure 22 Chapter 2 Principles Measurement principle Introduce a catheter of which the external end is connected to the pressure transducer into the blood vessel under test inject the physiological saline Since the liquid can be transferred by pressure the pressure inside the blood pressure is transferred by liquid to the pressure transducer and the dynamic waveform of the pressure inside the blood pressure is obtained in real time Thus the arterial pressure central venous pressure and pulmonary arterial pressure are obtained based on specific algorithm 2 4 7 CO CO measurement principle The thermal dilution method is widely used in the clinical CO monitoring Introduce a floating catheter into the pulmonary artery through the right atrium and inject the physiological saline into the right atrium through the catheter whose front end is connected to the temperature transducer When the cold liquid mixes with the blood there will be a change of temperature Thus when the blood mixed with the physiological saline flows into the pulmonary arter
58. pressure point within the NIBP measurement range of the patient monitor should be no more than 3mmHg 0 4kPa 5 3 IBP CALIBRATE 5 3 1 IBP Transducer Zero B Press the ZERO button on the IBP module to call up IBP PRESSURE ZERO menu as shown below IBP PRESSURE ZERO Being Prepared press ZERO key CH1 ZERO 00 00 0000 00 00 00 CH2 ZERO 00 00 0000 00 00 00 Back to the upper menu Figure 5 2 IBP PRESSURE ZERO 59 Chapter 5 Test and Material List Zero Calibration of Transducer Select CH1 the system will zero IBP1 Select CH2 the system will zero IBP2 Cautions Use the PM 6000 IBP module as a example m Turn off patient stopcock before you start the zero procedure m The transducer must be vented to atmospheric pressure before the zero procedure B The transducer should be placed at the same height level with the heart approximately mid axially line RB Zero procedure should be performed before starting the monitoring and at least once a day after each disconnect and connect of the cable AA Jo n e a YN l L A N Normal Saline a Ny ith Heparin Pressure Transducer y W l W A s U L l 3 Way drip l Distal End l Stopcok hamber y 6 L To Patient lH i l i j y A Y f y if PM6000 IB MODULE L L N y UL Pressure Transducer Interface Cable Figure 5 3 IBP Zero 5 3 2 IBP Calibration m Press CAL button on the IBP module to call up th
59. rd for processing and displaying If necessary the results are sent to the recorder for printing The parameter monitoring functions are described respectively in the following sections 2 4 2 ECG RESP E ECG The PM 7000 has the following ECG functions 1 Lead type 3 lead 5 lead 12 lead 2 Lead way 3 lead 1 channel 1 Il Hl 5 lead 2 channels 1 Il Ill aVR aVL aVF V 20 Chapter 2 Principles 12 lead 8 channels I Il Il avR avL avF V1 V6 3 4 5 6 Floating input Right foot drive Lead off detection we o 2 channel ECG waveform amplification processing ECG signals of any two leads M The ECG circuit processes the ECG signals It consists of the following parts 1 Input circuit The input circuit protects the ECG input level and filters the ECG signals and external interference The ECG electrode is connected to the input circuit through the cable 2 Buffer amplifying circuit This circuit ensures extremely high input impedance and low output resistance for ECG 3 Right foot drive circuit The output midpoint of the buffer amplifying circuit is fed to the RL end of the 5 lead after the inverse amplification so as to ensure that the human body is in the equipotential state decrease the interference and increase the common mode rejection ratio of the circuit 4 Lead off detection The lead off causes changes in the output level of the buffer amplifying circuit
60. ream CO2 module 1 25 9000 20 07289 Mainstream CO2 module mounting board 1 26 7001 30 6744 1 Button board 1 27 9200 30 10701 Alarm light board 1 28 6200 30 09774 Display encoder mounting board 1 29 7001 20 67403 CO2 module mounting board 1 30 M05 010R03 Button cell battery 1 31 7001 30 67456 Display assembly 1 32 MO8A 30 34703 Digiboard for 12 lead ECG module 1 33 MO8A 30 34701 Analog board for 12 lead ECG module 1 34 7001 30 67436 Oridion CO2 module 1 35 7000 30 24574 Mindray CO2 module 1 66 Chapter 6 Maintenance and Cleaning Chapter 6 Maintenance and Cleaning 6 1 Maintenance 6 1 1Checking Before Using A Check the patient monitor for mechanical damages a Check all exposed conductors connectors and accessories a Check all functions that are possibly enabled for the monitored patient and ensure the device is in good working status In case of any damage stop using this patient monitor and contact biomedical engineers of the hospital or Mindray maintenance engineers 6 1 2 Regular Checking An all around check including the safety check should be done by qualified personnel every 6 12 months or after maintenance each time All checks in which the patient monitor should be disassembled should be done by qualified maintenance personnel The safety and maintenance checks can be done by Mindray engineers The local office of Mindray at your region will be pleased to provide you with the informa
61. ressure is decreasing the arterial blood has pulses which are sensed by the pressure transducer in the cuff Consequently the pressure transducer connected with the windpipe of the cuff generates a pulsation signal Then the pulsation signal is filtered by a high pass filter about 1Hz amplified converted to the digital signal by the A D converter and finally processed by the MCU After that the systolic pressure diastolic pressure and mean 21 Chapter 2 Principles pressure can be obtained For neonates pediatric and adults it is necessary to select the cuffs of a proper size to avoid possible measurement errors In the NIBP measurement there is a protection circuit used to protect patient from over high pressure The NIBP measurement modes include 1 Adult pediatric neonate mode To be selected according to the build weight and age of the patient 2 Manual Auto Continuous mode The manual measurement is also called single measurement in this mode only one measurement is done after being started In the auto measurement mode the measurement can be done once within the selected period with the interval being 1 2 3 4 5 10 15 30 60 90 120 180 240 or 480 minutes In the continuous measurement mode quick continuous measurement will be done within 5 minutes after being started it detects the changes in blood pressure effectively 2 4 4 SpO The SpO value is obtained through the pulse waves of the finger tips
62. rrent Recovery time after defibrillation Calibration signal lt 10uA lt Ss 1mV peak to peak value precision 5 HR Neonate 15 to 350 BPM Measurement range Pediatric 15 to 350 BPM Adult 15 to 300 BPM Resolution 1 BPM Precision 1 BPM or 1 whichever is greater Sensitivity 200uV lead IT 32 Chapter 3 Product Specifications Response time to heart rate changes Meets the requirement of ANSI AAMI EC13 2002 Section 4 1 2 1 f Less than 11 sec for a step increase from 80 to 120 BPM Less than 11 sec for a step decrease from 80 to 40 BPM Response time of tachycardia alarm When tested in accordance with ANSI AAMI EC13 2002 Section 4 1 2 1 g the response time is as follows Figure 4ah range 15 7 to 19 2s average 17 4s 4a range 5 7 to 8 5s average 7 5s 4ad range 3 6 to 5 1s average 4 2s Figure 4bh range 11 5 to 14 7s average 12 9s 4b range 4 to 14s average 7 2s 4bd range 6 6 to 14 5s average 10 5s Pace pulse Pulse indicator Pace pulses meeting the following conditions are marked by the PACE indicator Amplitude 4 to 700mV Width 0 1ms to 2ms Rise time 10us to 100us When tested in accordance with the ANSI AAMI EC13 2002 Sections 4 1 4 1 and 4 1 4 3 the heart rate meter rejects all pulses meeting the following conditions Pulse rejection Amplitude 2 to 700mV Width 0 1ms
63. s module receives the to be printed data from the main board converts them to the dot matrix data sends them to the heat sensitive printer and drives the printer Step Motor Drive Circuit There is a step motor on the heat sensitive printer The step motor drives the paper This circuit is used to drive the step motor Printer Status Detect Circuit This circuit detects the status of the heat sensitive printer and sends the status information to the CPU system The status information includes the position of the paper roller status of the heat sensitive recorder paper and the temperature of the heat sensitive head CPU System m Processing the data to be printed E Controlling the heat sensitive printer and step motor R Collecting data about the status of the heat sensitive printer and controlling the printer E Implementing the communication with the main board 2 2 7 Button Panel 2 2 7 1 General This module provides a man machine interactive interface 2 2 7 2 Principle diagram LED A _ _ _ KEY _ Encoder W CPU Audio Process Speaker lt Circuit Watchdog e Figure 2 10 Working principle of the button panel 2 2 7 3 Principle This module detects the input signals of the button panel and control knob converts the detected input signals to codes and then sends to the main board The main board sends commands to the button panel which according to the commands control
64. s the status of the LED and the audio process circuit to give auditory visual alarms 15 Chapter 2 Principles CPU Detecting the input signal of the button panel and control knob Controlling the status of LED Controlling the audio process circuit Regularly resetting the Watchdog timer RB Communicating with the main board Audio Process Circuit This circuit generates audio signals and drives the speaker Watchdog When powered on the Watchdog provides the reset signal for CPU The patient monitor provides the watchdog timer output and voltage detection functions 2 2 8 Power PCB 2 2 8 1 General This module provides DC working current for other boards 2 2 8 2 Principle diagram AC gt 5V Power Supply 5V DC DC Battery gt Battery Control Voltage Detect Main Circuit Circuit board 12V DC DC Power Switch 12V Power Supply Circuit Figure 2 11 Working principle of the power PCB 2 2 8 3 Principle This module can convert 220V AC or the battery voltage to 5V DC and 12V DC voltages which are supplied for other boards When the AC voltage and batteries coexist the AC voltage is supplied for the system and used to charge the batteries AC DC This part converts the AC voltage to the low DC voltage for the subsequent circuits besides it supplies the power for charging the batteries Battery Control Circuit When the AC voltage and batteries coexist this circuit controls the proce
65. ss of charging the batteries with the DC voltage converted by the AC DC part When the AC voltage is unavailable this circuit controls the batteries to supply power for the subsequent circuits 16 Chapter 2 Principles 5V DC DC This part converts the DC voltage to the stable 5V DC voltage and supplies it for the external boards 12V DC DC This part converts the DC voltage to the stable 12V DC voltage and supplies it for the external boards Power Switch Circuit This circuit controls the status of the 5V DC DC part and the 12V DC DC part thus to control the switch of the patient monitor Voltage Detect Circuit This circuit detects the output voltages of the circuits converts the analog signal to the digital signal and sends the digital signal to the main board for processing 2 3 Software Description 2 3 1 General Physiological signal Parameter measurement module Ww if Ethernet input User input by button ser creen amp J E User inpu command output K rocessin hi e man tta Figure 2 12 System function Analog outpu component As shown in Figure 2 12 in the red frame is the software system on the left to the red frame are the inputs of the software system and on the right to the red frame are the outputs The parameter measurement module exchanges data with the software through the serial port while the user interacts with the system through the button panel
66. t E 70 to 120BrPM 2BrPM precision 121 to 150BrPM 3BrPM Apnea alarm delay AwRR 10 to 40s Precision applies for breath rates of up to 80 bpm For breath rates above 80 bpm accuracy complies with EN 864 ISO 9918 4 mmHg or 12 of reading whichever is greater for ECO values exceeding 18 mmHg To achieve the specified accuracies for breath rates above 60 breaths minute the Microstream FilterLine H Set for Infant Neonatal p n 006324 must be used The accuracy specification is maintained to within 4 of the values indicated in the above table in the presence of interfering gases according to EN864 Section Eleven Part 101 42 Chapter 3 Product Specifications 1 1 6 Welch Allyn CO Specifications CO2 measurement range 0 to 99mmHg 0 to 40 mmHg 2mmHg Precision 41 to 76 mmHg 5 77 to 99 mmHg 10 Resolution ImmHg Refreshing rate Is Start up time lt 80s ambient temperature 25 C preheating power of transducer 5W Response time 100ms 10 to 90 Calibration Daily calibration is unnecessary Calibration stability There is a difference lt 1 from the precison criteria after a 12 month continuous service time Alarm range 0 to 99 mmHg AwRR measurement range 0 to 150 BrPM AwRR alarm range 0 to 150 BrPM Apnea alarm delay AwRR 10 to 40 s Precision specification is based upon the following standard airway cond
67. the user to input the information and commands to the patient monitor 2 1 4 Power Supply The power supply part is an important part of the patient monitor It includes the main power PCB backlight board batteries and fan The main power PCB converts the external AC current respectively to the 5V DC and 12V DC current which are supplied for the whole system For the TFT display there is a special requirement on the power supply so a backlight board is used The batteries supply power for the system for a short time when there is no external AC current The fan is used for the heat sink of the system 2 1 5 Other Auxiliary Functions The PM 7000 also provides the network upgrade function for the service engineers to upgrade the system software without disassembling the enclosure Chapter 2 Principles 2 2 Hardware Description The structure of the PM 7000 is shown in the following figure ALARM LAMP nin AO y K KEY BOARD MODULE num T h REPRODUER PSL ven Was nm nis na NIN BOARD Aron nE w B RECORDER ns 1 MODULE BATTERY wis VGA Xb Y x3 x9 NET c02 SP02 NIBP 1BP AG X10 X1 x2 w E z 8 jE A H L x N CU IBP AG TEP IG 502 Caff Cable Cable Sensor Cable e Figure 2 2 Functional structure of the PM 7000 Chapter 2 Principles The PM 7000 PCB connection is shown in the following figure PA LVDS PA TFT_DIGITAL J PACRT P10 y Button Panel P3 FOR 9000 VGA Power PCB J P12 PTBDM
68. tion about the maintenance contract 6 2 Cleaning Do switch off the patient monitor and disconnect the AC power supply before cleaning it or the probes The PM 7000r should be dust free To clean the surface of its enclosure and screen use the cleaning agent that is not corrosive for example soap and water Do not use strong solvent such as acetone Most cleaning agents must be diluted before being used so conduct dilution under the instruction of manufacturers Do not use any erosive material such as steel wool or polishing agent Prevent the ingress of any liquid to the enclosure and any part of the device Ensure no residue of cleaning liquid on the surface of the device 6 3 Cleaning Reagent 2 AS A N Diluted aqua ammonia Diluted sodium hypochlorite bleaching powder for washing Hydrogen peroxide 3 Ethanol Isopropyl alcohol 67 Chapter 6 Maintenance and Cleaning 6 4 Sterilization To avoid the long time damage to the patient monitor we recommend you Y To conduct only sterilization which is considered necessary in your maintenance plan v To clean the patient monitor before the sterilization Y To sterilize the patient monitor with specified sterilization agent Ethylate and Acetaldehyde A cautionA L Conduct dilution or use the liquid of the possibly lowest concentration under the instructions by the manufacturer ES Prevent the ingress of liquid to the enclosure L Prevent any part
69. uses that control current to devices such as life support systems If this system malfunctions and generates an over current or when there is an instantaneous Service Manual current at power ON the circuit breakers and fuses of the building s supply circuit may be tripped ACAUTION 1 Malfunctions due to radio waves 1 Use of radio wave emitting devices in the proximity of this kind of medical electronic system may interfere with its Operation Do not bring or use devices which generate radio waves such as cellular telephones transceivers and radio controlled toys in the room where the system is installed If a user brings a device which generates radio waves near the system they must be instructed to immediately turn OFF the device This is necessary to ensure the proper operation of the system 2 Do not allow fluids such as water to contact the system or peripheral devices Electric shock may result VI Service Manual Symbols Equipotential grounding CE mark 93 42 EEC a terminal E directive of the European bas Economic Community Be Careful Protective earth ground Direct current and alternating Direct current DC Bo Ee 2 gt current DC amp AC Alternating current AC Battery indicator e a ESD sensitivity Power ON OFF Network connector A High voltage Indicates that the instrument is IEC 60601 1 Type CF equipment The unit displaying this symbol co
70. x600 pixels Recorder Type Thermal dot array Horizontal resolution 160 dots cm at 25 mm s recording rate Vertical resolution 80 dots cm Width of the recorder paper 50 mm Length of the recorder paper 30m Recording rate Recorded waveforms 25 mm s 50 mm s 2 LED indicator Alarm indicator 1 yellow and red Running status indicator 1 green AC DC power indicator 1 green Battery indicator 1 green Audio indicator Speaker Control Control knob Giving audio alarms keypad tones and heartbeat pulse tone Supporting PITCH TONE and multi level volume Audio alarms comply with EN475 and IEC60601 1 8 1 knob which can be rotated clockwise counterclockwise or pressed 28 Chapter 3 Product Specifications 7 buttons POWER MAIN FREEZE SILENCE RECORD Button NIBP MENU Comnectors 1 AC power connector Power supply 1 DC power connector Parameter ECG RESP TEMP SPO2 NIBP IBP CO CO2 AG Network 1 standard RJ45 network connector 100 BASE TX VGA 1 standard color VGA monitor connector 15 PIN D sub Auxiliary output 1 BNC connector Equipotentiality 1 equipotential grounding connector 3 5 Wireless network Standards IEEE 802 11b Wi Fi compatible Frequenct range 2 412 to 2 462GHz Operating channel China America Canada Europe Spain France Japan 1 to 11 10
71. y its temperature will be sensed by the temperature transducer According to the injection time and temperature change the patient monitor can analyze the CO and calculate the Cardiac Index Cl Stroke Volume Index SVI SVIs of the left atrium and right atrium Pulmonary Vascular Resistance PVR and so on 2 4 8 CO The CO module works based on the infrared spectrum absorption principle According to different connection methods the infrared light transducer is classified as the mainstream infrared light transducer and sidestream infrared light transducer The sidestream CO module is composed of the circuit board inbuilt sidestream infrared light transducer deflation pump and control When used this module requires the external water trap drying pipe and sampling tube The mainstream CO module is composed of the circuit board and external mainstream infrared light transducer The infrared light transducer needs to be preheated In the sidestream mode the deflation rate can be set to 100ml min 150ml min or 200ml min according to the patient situation In the AG monitoring multiple compensations can be set such as hydrosphere oxygen temperature and desflurane Des When the CO measurement is not being conducted the sidestream deflation pump the transducer of the mainstream module and the infrared source are expected to be shut down thus to extend the service life and reduce the power consumption of the module In the mainstrea

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