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Chapter 2 Principles

4

Chapter 2 Principles

2.1 General

The intended use of the PM-7000 is to monitor a fixed set of parameters including ECG, RESP,
SpO

2

, NIBP, TEMP, IBP, CO and CO

2

(IBP, CO and CO

2

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.

Figure 2-1 Structure of the PM-7000

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Summary of Contents for PM-7000

Page 1: ...PM 7000 Patient Monitor Service Manual ...

Page 2: ......

Page 3: ...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 ...

Page 4: ... presence of the interfering signal on the screen of ultrasonic imaging system Keep the distance between the monitor and the ultrasonic imaging system as far as possible z 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 fra...

Page 5: ... to misuse negligence or accident any instrument from which Mindray s original serial number tag or product identification markings have been altered or removed or any product of any other manufacturer Safety Reliability and Performance Mindray is not responsible for the effects on safety reliability and performance of the PM 7000 Patient Monitor if assembly operations extensions re adjusts modifi...

Page 6: ...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 Manufacture Shenzhen Mindray Bio Medical Electronics Co Ltd Ad...

Page 7: ... CAUTION Indicates a potentially hazardous situation which if not avoided 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 DANGER Do not use flammable gases...

Page 8: ...ts 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 2 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...

Page 9: ...ting current DC AC Direct current DC Alternating current AC Battery indicator ESD sensitivity Power ON OFF Network connector High voltage Indicates that the instrument is IEC 60601 1 Type CF equipment The unit displaying this symbol contains an F Type isolated floating patient applied part providing a high degree of protection against shock and is suitable for use during defibrillation ...

Page 10: ...terface 5 2 1 4 Power Supply 5 2 1 5 Other Auxiliary Functions 5 2 2 Hardware Description 6 2 2 1 Main Board 7 2 2 2 ECG RESP TEMP Module 9 2 2 3 CO IBP Module 11 2 2 4 SpO2 Module 12 2 2 5 NIBP Module 13 2 2 6 Recorder Module 14 2 2 7 Button Panel 15 2 2 8 Power PCB 16 2 3 Software Description 17 2 3 1 General 17 2 3 2 System Task 18 2 3 3 System Function 19 2 4 System Parameter 20 2 4 1 General ...

Page 11: ... 3 15 CO2 Specifications 41 1 1 4 Mindray CO2 Specifications 41 1 1 5 Oridion CO2 Specifications 42 1 1 6 Welch Allyn CO2 Specifications 43 3 16 AG Specifications 44 Chapter 4 Disassembling Assembling Troubleshooting 47 4 1 PM 7000 Disassembling Assembling 47 4 1 2 PM 7000 Support Assembly 48 4 1 3 Front Bezel Assembly 50 4 1 4 Rear Housing Assembly 51 4 1 5 Microstream CO2 Assembly 52 4 2 Trouble...

Page 12: ...8 5 2 NIBP Calibration 59 5 3 IBP CALIBRATE 59 5 4 CO2 CHECK 62 5 5 AG CALIBRATE 64 5 5 1 AG Check 64 5 5 2 AG CALIBRATE 65 5 6 Bill of Materials for PM 7000 Main Unit 66 Chapter 6 Maintenance and Cleaning 67 6 1 Maintenance 67 6 1 1Checking Before Using 67 6 1 2 Regular Checking 67 6 2 Cleaning 67 6 3 Cleaning Reagent 67 6 4 Sterilization 68 6 5 Disinfection 68 ...

Page 13: ... 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...

Page 14: ...eart Rate HR 2 channel ECG waveform ECG Arrhythmia analysis and S T analysis optional Respiration Rate RR RESP Respiration waveform Pulse Oxygen Saturation SpO2 Pulse Rate PR SpO2 SpO2 Plethysmogram NIBP Systolic pressure NS diastolic pressure ND mean pressure NM TEMP T1 T2 TD IBP CH1 SYS DIA CH2 SYS DIA IBP waveform CO Temperature of blood TB Cardiac Output CO CO2 End tidal carbon dioxide EtCO2 I...

Page 15: ...torage 20 60 1 3 2 Humidity Work mode 15 95 non condensing Transportation Storage 10 95 non condensing Atmospheric pressure 70 0kPa 106 0kPa 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...

Page 16: ...ameters including ECG RESP SpO2 NIBP TEMP IBP CO and CO2 IBP CO and CO2 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 Figure 2 1 Structure of the PM 7000 ...

Page 17: ... 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 batt...

Page 18: ...Chapter 2 Principles 6 2 2 Hardware Description The structure of the PM 7000 is shown in the following figure Figure 2 2 Functional structure of the PM 7000 ...

Page 19: ...les 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 ...

Page 20: ...trol and other functions RTC RTC provides the calendar information such as second minute 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 ...

Page 21: ... 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 defib...

Page 22: ...quency 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 ...

Page 23: ... 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 Conver...

Page 24: ...s 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 adjust...

Page 25: ... function of measuring the Non Invasive Blood Pressure NIBP parameter 2 2 5 2 Principle diagram 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 ...

Page 26: ...ther 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 pr...

Page 27: ... paper and the temperature of the heat sensitive head CPU System Processing the data to be printed Controlling the heat sensitive printer and step motor Collecting data about the status of the heat sensitive printer and controlling the printer 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 Princ...

Page 28: ... 2 2 8 2 Principle diagram 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 s...

Page 29: ...gnal to the digital signal and sends the digital signal to the main board for processing 2 3 Software Description 2 3 1 General Figure 2 12 System function 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 softwa...

Page 30: ...r inputs by buttons and displaying them on the screen In case of a button event 7 System monitoring System monitoring voltage monitoring and battery management 1 second 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 11 ECG analysis Analyzing ECG signal c...

Page 31: ...Chapter 2 Principles 19 2 3 3 System Function The system tasks can be classified as follows Figure 2 13 System task ...

Page 32: ...wer supply The structure of the whole system is shown in the following figure As shown in Figure 2 14 the five modules and measurement cables monitor and measure NIBP SpO2 ECG RESP TEMP IBP CO and CO2 in real time and send the results to the main board for processing and displaying If necessary the results are sent to the recorder for printing The parameter monitoring functions are described respe...

Page 33: ...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 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 b...

Page 34: ...rt 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 Moreov...

Page 35: ...rum 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 CO2 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 sa...

Page 36: ...quired 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 pa...

Page 37: ...doubt the equipment shall be operated from its internal electric power supply batteries Degree of protection against electric shock Monitor Sidestream CO2 AG ECG RESP TEMP SpO2 NIBP IBP CO mainstream CO2 B BF defibrillation proof CF defibrillation proof Degree of protection against hazards of ignition of flammable anesthetic mixtures Not protected ordinary Degree of protection against harmful ingr...

Page 38: ...0 to 35 With Welch Allyn CO2 module 5 to 35 With Oridion CO2 module Operating temperature 10 to 35 With AION AG module Operating humidity 15 to 95 noncondensing Atmospheric pressure 70 0 kPa 106 0 kPa 86 0 kPa 106 0 kPa With Oridion CO2 module Storage temperature 20 to 60 Storage humidity 10 to 95 noncondensing ...

Page 39: ...fter 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 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 charg...

Page 40: ...g rate Vertical resolution 80 dots cm Width of the recorder paper 50 mm Length of the recorder paper 30 m Recording rate 25 mm s 50 mm s Recorded waveforms 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 Giving audio alarms keypad tones and heartbeat pulse tone Supporting PITCH TONE an...

Page 41: ...E 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 China America Canada Europe Spain France Japan 1 to 11 10 11 2 Operating channel For other country please refer to your local law Safe distance 10m a circle c...

Page 42: ...rend 1 hour resolution 1 s or 5 s Alarm events 70 alarm events and associated waveforms with user selectable waveform length 8s 16 or 32 ARR events 80 ARR events and associated waveforms with 8s wavelength NIBP measurements 800 NIBP groups including systolic pressures mean pressures diastolic pressures and measurement time ...

Page 43: ...tion enhancement No pace rejection or enhancement IBP analog output Bandwidth 0 to 12 5 Hz 3dB reference frequency 1Hz Maximum propagation Delay 55ms the filter function is disabled Sensitivity 1 V 100mmHg 5 Nurse call output Driver Relay Electrical specifications 60W 2A 36VDC 25VAC Isolation voltage 1500 VAC Signal type Normally open or normally closed selectable Defibrillator synchronization pul...

Page 44: ...gery mode 0 05 to 100Hz 12 lead 0 05 to 150Hz 0 5 to 40Hz 1 to 20Hz Diagnostic mode Monitor mode Surgery mode 90 dB 105 dB 105 dB Common mode rejection The notch filter is turned off Differential input impedance 5MΩ Input signal range 8mV peak to peak value DC offset voltage 300mV 12 lead 500mV Patient leakage current 10uA Recovery time after defibrillation 5s Calibration signal 1mV peak to peak v...

Page 45: ...to 14s average 7 2s 6 6 to 14 5s average 10 5s Pace pulse Pace pulses meeting the following conditions are marked by the PACE indicator Pulse indicator Amplitude Width Rise time 4 to 700mV 0 1ms to 2ms 10us to 100µs 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 W...

Page 46: ... impedance test range 0 3 to 3Ω Excitation current 300µA Baseline impedance range 200 to 2500Ω using an ECG cable with 1kΩ resistance Bandwidth 0 2 to 2Hz 3 dB Sweep speed 6 25 mm s 12 5 mm s 25 mm s RR Measurement range Adult Pediatric neonate 0 to 120 BrPM 0 to 150 BrPM Resolution 1 BrPM Precision 7 to 150 BrPM 0 to 6 BrPM 2 BrPM or 2 whichever is greater Undefined Apnea alarm delay 10 to 40s ...

Page 47: ...ditions 3 in motion conditions Undefined Refreshing rate 1s PR Measurement range 20 to 254bpm Resolution 1bpm Precision 3 bpm non motion conditions 5 bpm in motion conditions Refreshing rate 1s 1 1 2 Masimo SpO2 Specifications SpO2 Measurement range 1 to 100 Resolution 1 Precision 70 to 100 70 to 100 70 to 100 0 to 69 2 adult pediatric non motion conditions 3 neonate non motion conditions 3 in mot...

Page 48: ...q N OxiCliq P OxiCliq I 70 to 100 0 to 69 2 5 Undefined D YS DS 100A OXI A N and OXI P I 70 to 100 0 to 69 3 Undefined SpO2 measurement range and precision MAX R D YSE and D YSPD 70 to 100 0 to 69 3 5 Undefined PR measurement range and precision 20 to 250bpm 3bpm 251 to 300bpm Undefined Refreshing rate 1s When sensors are used on neonatal subjects as recommended the specified precision range is in...

Page 49: ... 15 30 60 90 120 180 240 480 minutes Measurement time in continuous mode 5 minutes mmHg Adult Pediatric Neonate Systolic pressure 40 to 270 40 to 200 40 to 135 Diastolic pressure 10 to 210 10 to 150 10 to 100 Measurement range in normal mode Mean pressure 20 to 230 20 to 165 20 to 110 Measurement precision Maximum average error 5mmHg Maximum standard deviation 8mmHg Resolution 1mmHg Over pressure ...

Page 50: ...2 Displayed parameters T1 T2 and TD Measurement range 0 to 50 C 32 to 122 F Resolution 0 1 C Precision 0 1 C excluding the sensor 0 2 C including the YSI 400 series sensor Update period 1s Minimum time for accurate measurement Body surface 100s Body cavity 80s YSI 400 series sensor ...

Page 51: ...abels ART PA CVP RAP LAP ICP P1 and P2 ART 0 to 300 mmHg PA 6 to 120 mmHg CVP RAP LAP ICP 10 to 40 mmHg Measurement range P1 P2 50 to 300 mmHg Resolution 1 mmHg Precision 2 or 1mmHg whichever is greater Update period 1s Pressure transducer Sensitivity 5 uV V mmHg Impedance range 300 to 3000Ω ...

Page 52: ...fications Measurement technique Thermal dilution Calculated parameter CO hemodynamics CO 0 1 to 20l min TB 23 to 43 C Measurement range TI 0 to 27 C Resolution CO TB TI 0 1 l min 0 1 C Precision CO TB TI 5 or 0 1 l min 0 1 C Alarm range TB 23 to 43 C ...

Page 53: ... range 0 to 99mmHg Precision 0 to 40 mmHg 41 to 76 mmHg 77 to 99 mmHg 2mmHg 5 10 Deflation rate 100 150ml min Precision of deflation rate 15 Start up time of CO2 module 1min The module enters the warming up status after the startup Ten minutes later it enters the ready to measure status AwRR measurement range 0 to 120 BrPM Precision 0 to 70 BrPM 70 BrPM 2 BrPM 5 BrPM Response time 240 ms 10 to 90 ...

Page 54: ...99 mmHg 2mmHg 5 0 08 reading 38mmHg Resolution Waveform Value 0 1mmHg 1mmHg Flow rate 7 5 15 50 ml min Initialization time 30s typical Response time 2 9s typical Delay time 2 7s typical AwRR measurement range 0 to 150 BrPM AwRR measurement precision 0 to 70BrPM 70 to 120BrPM 121 to 150BrPM 1BrPM 2BrPM 3BrPM Apnea alarm delay AwRR 10 to 40s Precision applies for breath rates of up to 80 bpm For bre...

Page 55: ...ation is unnecessary Calibration stability There is a difference 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 conditions sensor 42 airway adapter temperature 33 water vapor pressur...

Page 56: ...Adult Pediatric 120 150 200 ml minute user selectable Sampling flow sidestream Neonatal 70 90 120 ml minute user selectable Gas type CO2 N2O O2 optional Des Iso Enf Sev Hal Measurement range CO2 N2O Des Sev Enf Iso Hal O2 AwRR 0 to 30 0 to 105 0 to 30 0 to 30 0 to 30 0 to 105 2 to 100 BrPM Resolution CO2 AwRR 1 mmHg 1 BrPM Gas Range REL Precision ABS 0 to 1 0 1 1 to 5 0 2 5 to 7 0 3 7 to 10 0 5 CO...

Page 57: ...Apnea alarm delay AwRR 20 40 s Refreshing rate 1s Calibration Yearly calibration requested Calibration stability After module being used for 12 consective months the error is 1 CO2 250 ms fall time 200 ms N2O 250 ms O2 600ms HAL ISO SEV DES 300 ms Rise time 10 to 90 Sampling flow 120ml min using the DRYLINE water trap and neonatal DRYLINE sampling line 2 5m ENF 350 ms CO2 250 ms fall time 200 ms N...

Page 58: ...Chapter 3 Product Specifications 46 line 2 5m ENF 350 ms Delay time 4s ...

Page 59: ...t bezel assembly 1 2 0000 10 10876 Hose φ1 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 6 M04 000305 Cross head tapping screw PT3 12 6 7 M04 051003 Cross head tapping screw PT2 6 6 8 M02A 3025913 Water trap socket assembly 1 9 M02A 20 25906 Water trap support 1 10 M04 004012 Cross head screw 2 11 TR6C 30 16654 TR60 C recorder 1 12...

Page 60: ...y 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 4 4 4 7000 20 24540 LCD support LG 1 5 M04 002405 Cross head screw M2 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 ...

Page 61: ...e for CF card 1 28 M04 002505 Cross head screw M3 6 4 29 7001 30 67454 Power socket assembly 1 30 M04 021024 Washer 3 31 M04 003012 Cross head screw M3 6 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 ...

Page 62: ...00 20 24443 Communication wire to NIBP board 1 58 9200 21 10454 TFT connecting wire 1 4 1 3 Front Bezel Assembly 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...

Page 63: ...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 4 9200 30 10522 Fan assembly 1 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 Spe...

Page 64: ...am CO2 Assembly Figure 4 5 Microstream CO2 assembly NO Material Code Part Specification 1 9201 30 35959 Microstream CO2 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 CO2 connector 5 9201 20 35915 Mounting plate of CO2 connector 6 9201 20 35914 Baffle of CO2 connector ...

Page 65: ...Chapter 4 Disassembling Assembling Troubleshooting 53 4 2 Troubleshooting 4 2 1 Black Screen Startup Failure Figure 4 6 Location flow of faults causing black screen Y ...

Page 66: ...oder 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 2 Check whether the recorder indictor is on 3 If not check the connection wire for inputting signals to the recorder 4 Check whether the recorder modu...

Page 67: ...above mentioned cases the consistency between the heartbeats the flashes of the red heart like indicator and the R wave 3 The gain has no impact on the message ECG signal over weak in the HR calculation 4 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 I II and III The results...

Page 68: ...he 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 START Then the results will be obtained in about 30s The measured results should be respectively 120 8mmHg 80 8mmHg and 90 8mmHg 3 Press ESC and on the simulator to enter the NEONATE mode Set the blood pressure to the 60 30 40 mmHg level SHIFT to 20 HR to 1...

Page 69: ...CO measurement Set the CO CONST and TI to the default values 0 542 and 0 set the injectate switch to OFF and then press START Then the simulator will output 0 2 5L M and 0 5L M within 2s The CO values should be 2 5 0 25L M and 5 0 5L M 5 1 9 CO2 1 Test fixture CO2 steel bottle containing 10 CO2 2 Test procedure Mainstream CO 2 measurement Set the calculation compensation of PM 7000 to COMMON Plug ...

Page 70: ...r 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 After the batteries are assembled the battery electricity is displayed in the battery indication frame on t...

Page 71: ...ithin 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 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 Press the ZERO button on the IBP module to call up IBP PRESSURE ZERO menu as shown below Figure ...

Page 72: ...The transducer must be vented to atmospheric pressure before the zero procedure The transducer should be placed at the same height level with the heart approximately mid axially line Zero procedure should be performed before starting the monitoring and at least once a day after each disconnect and connect of the cable Figure 5 3 IBP Zero 5 3 2 IBP Calibration Press CAL button on the IBP module to ...

Page 73: ...he 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 The pressure calibration of PM 7000 Figure 5 5 IBP Calibration You will need the following pieces of equipment Standard sphygmomanometer 3 way stopcock Tubing approximately 25 cm long 3 way stopco...

Page 74: ...djust repeatedly until the value in the menu is equal to the pressure value shown by the mercury calibration 9 Press the Start button the device will begin calibrating 10 Wait for the calibrated result You should take corresponding measures based on the prompt information 11 After calibration disassemble the blood pressure tubing and the attached 3 way valve Calibration completion message SUCCESSF...

Page 75: ...ote 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 Figure 5 7 Factory Maintain Menu Figure 5 8 CO2 check menu ...

Page 76: ...ait for 10 minutes after the warm up information disappears 3 Enter CALIBRATE menu then open AG bottle and press the VERIFY ACCURACY item Figure 5 9 AG Check Menu 4 Observe the display value after 1 minute The agent concentration accurate should be less than 5 5 Choose other pump rate middle or high and repeat the previous procedures pump rate definition three pump rate under adult mode 100 150 20...

Page 77: ... do calibrate Figure 5 10 Figure 5 11 2 Input each gas concentration value according to the label on 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 1 ...

Page 78: ... 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 O2 1 23 7001 30 67461 AG module without O2 1 24 7001 30 67458 Mainstream CO2 module 1 25 9000 20 07289 Mainstream CO2 module mou...

Page 79: ...ce checks can be done by Mindray engineers The local office of Mindray at your region will be pleased to provide you with the information 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...

Page 80: ...owest concentration under the instructions by the manufacturer Prevent the ingress of liquid to the enclosure Prevent any part of the system from being dipped In sterilization do not spill the liquid to the patient monitor 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...

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