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DPM 4 Service Manual

1. Doctor Button panel Display Power supply Network interface ECG R sl any NIBP SpOz A Satta tas eae en A E Figure 2 14 System Structure As shown in Figure 2 14 the five modules and measurement cables monitor and measure NIBP SpO ECG RESP TEMP IBP and CO 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 respectively in the following sections 2 22 2 4 2 ECG RESP E ECG The DPM4 patient monitor has the following ECG functions 1 Lead type 3 lead 5 lead 12 lead 2 Lead way 3 lead 1 channel L I M 5 lead 2 channels I IL HI aVR aVL aVF V 12 lead 8 channels I II II aVR aVL aVF V1 V6 CAL 3 Floating input 4 Right foot drive 5 Lead off detection 6 2 channel ECG waveform amplification processing ECG signals of any two leads NH 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 o
2. 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 Trigger threshold level 200 pV lead ID 3 9 Trigger indication There will be an audible beep on every beat captured Heart Rate Averaging The average Heart Rate is computed in line with the ANSI AAMI EC13 Section 4 1 2 1 d as follows The average heart rate is calculated on the basis of the mean RR interval of the last 16 beats unless the heart rate calculated using the last 4 beats is less than or equal to 48 then this rate is used The displayed Heart Rate is updated once per second Heart Rate Meter Accuracy and Response to Irregular Rhythm Response time to heart rate changes When tested in accordance with the ANSI AAMI EC13 Section 4 1 2 1 e the indicated heart rate after a 20 second stabilization period is Figure 3a Ventricular Bigeminy 80 1 bpm Figure 3b Slow Alternating Ventricular Bigeminy 60 1 bpm Figure 3c Rapid Alternating Ventricular Bigeminy 120 1 bpm Figure 3d Bi directional Systoles 90 2 bpm Meets the requirement of ANSI AAMI EC13 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 When tested in accordance with ANSI AAMI EC 13 Section 4 1 2 1 g the response time is as follows Figure 4ah range 4 30 to
3. Excitation will be 5 Volts DC 2 Minimum load resistance will be 300Q per transducer Update period ls Zero offset range Zero accuracy 200 mmHg 1 mmHg Noise lt 0 5 mmHg RTI DC to 12 5 Hz 300 source impedance Drift Frequency Response lt 0 15 mmHg C will not exceed 1 mmHg in 24 hours DC 12 5Hz 1 Hz 3db PR from IBP Measurement range 25 to 350 bpm ABBOTT Precision 25 to 350 bpm 1 or 1 whichever is greater Resolution 1 bpm Pressure transducer Excitement voltage 5 VDC 2 Sensitivity 5 uV V mmHg Impedance range 300 to 30009 Volume displacement lt 0 04 mm3 100 mmHg 3 14 CO Specifications Measurement technique Infrared absorption technique Displayed parameter CO2 function EtCO2 FiCO2 Respiration Rate Meet the requirements of EN ISO 21647 ISO 21647 and 1509918 Mindray DS CO Specifications CO measurement range 0 to 99mmHg 0 to 40 mmHg 2 mmHg Precision 41 to 76 mmHg 5 77 to 99 mmHg 10 Resolution 1 mmHg Drift meet the requirement of accurancy in 6 hours Sample flow rate 70 100 ml min Precision of deflation rate 15 or 15 ml min whichever is great Start up time of CO module lt 1min the module enters the warming up status after the startup One minute later it enters the ready to measure status
4. 4 6 4 1 6 Parameter Connector Assembly Figure 4 6 Parameter connector assembly NO Material code Part amp Specification Quantity 1 M04 051003 Self tapping screw PT2X6 12 2 0010 10 12279 ECG connector 1 3 0010 21 12306 6PIN SPO2 Cable 1 4 8002 21 36171 Panel for parameter connector with CO2 1 5 0010 20 12194 NIBP Connector 1 6 6200 20 11614 Exhaust 1 7 9000 20 07459 Nut for Temp connector 2 8 M04 000501 Nut GB6170 M5 1 9 6000 10 02010 IBP PROBE SOCKET 2 10 M33 109002 Temp connector 2 4 7 4 1 7 CF Card Assembly Figure 4 7 CF card assembly NO Material code Part amp Specification Quantity 1 8002 20 36196 CF model card 1 2 8002 20 36172 CFcard housing 1 3 8002 30 36192 CFconnector board 1 4 8002 20 36173 CFcard housing hook 2 4 8 4 2 Troubleshooting 4 2 1 Black Screen Startup Failure Black screen power supply N normal AC power cord N normal Fault in power PCB Press the Power button Fault in the connaction wire af the bution panal Faull in connection wire of backlight board Fault in the connection wire of the button panel Faull in the bullon panel Fault in backlight board Faull in connection wire from main control board Fault in connection wire from main control board to Fault in LCD display to power PCB power PCB Fault in connection wire from m
5. Physical Size 261 x 240 x 171mm widthxheightxdepth Weight lt 5 kg With no accessory and battery Display Type Color TFT LCD Size 8 4 inches diagonal Resolution 800x600 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 20 m Recording rate 25 mm s 50 mm s Recorded waveforms 3 LED indicator Alarm indicator 1 yellow and red AC power indicator 1 green Battery indicator Audio indicator 1 green Giving audio alarms 45 to 85 dB keypad tones and heartbeat pulse tone TS Supporting PITCH TONE and multi level volume Audio alarms comply with EN 60601 1 8 and IEC60601 1 8 Connectors Power supply 1 AC power connector Parameter ECG RESP TEMP SpO2 NIBP IBP CO2 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 3 3 5 Wireless network Standards IEEE 802 11b Wi Fi compatible Frequency range 2 412 to 2 462GHz China America Canada Europe Spain France Japan Operating channel 1 to 11 10 11 2 For other country please refer to your local law Safe distance 10m a circle cente
6. LED A AK K K K KEY Encoder gt CPU Audio Process Speaker lt Circuit Watchdog 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 controls the status of the LED and the audio process circuit to give auditory visual alarms CPU E Detecting the input signal of the button panel and control knob E Controlling the status of LED NH Controlling the audio process circuit E Regularly resetting the Watchdog timer E Communicating with the CPU board Audio Process Circuit This circuit generates audio signals and drives the speaker 2 16 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 DC DC Battery e gt Battery Control E 12V DC DC 5V Power Supply Voltage Detect Main Circuit Circuit board 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
7. Operating humidity 15 to 95 noncondensing Operating altitude 500 to 4600 m 1640 to 15092 feet 305 to 3014 m 1000 to 9889 feet with CO2 Masimo or Nellcor SpO2 module Storage temperature Storage humidity 20 to 60 C 10 to 95 noncondensing Storage and transportation altitude 500 to 13100 m 1640 to 42979 feet 305 to 6096 m 1000 to 20000 feet with CO2 Masimo or Nellcor SpO2 module 3 1 3 3 Power Source Specifications AC Power Supply Specifications Input voltage 100 to 240 V Current 1 1A to 0 5A Frequency 50 60 Hz Fuse T 3 15 A 250 V Internal battery Number of batteries 1 Battery type Sealed lead acid battery or lithium ion battery Time to shutdown gt 5 min after the first low power alarm Sealed lead acid battery Nominal voltage 12 VDC Capacity Operating time 2 3 Ah 75 minutes typical when powered by a new fully charged battery 25 C ECG SpO2 NIBP measurement per 15 minutes Charge time 6 hours maximum in the running status or standby mode Lithium battery Nominal voltage 11 1 VDC Capacity 4 4 Ah Operating time 180 minutes typical when powered by a new fully charged battery 25 C ECG SpO2 NIBP measurement per 15 minutes Charge time 6 5 hours maximum in the running status or standby mode 3 2 3 4 Hardware Specifications
8. Output Amplifier 3 UART Analog Filter 8 D A interface CPU System RTC RAM ROM dif FPGA Display VRAM Ethernet interface Ethernet Controller 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 1 O cable implements the data communication data processing logical control 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 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 dat
9. the NIBP module to get the NIBP value 2 13 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 It 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 Signal 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 parame
10. below IBP PRESSURE ZERO Being Prepared press ZERO key CH1 ZERO 00 00 0000 00 00 00 CH2 ZERO 90 00 0000 00 00 00 Back to the upper menu Figure 5 2 IBP PRESSURE ZERO 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 EH Turn off patient stopcock before you start the zero procedure E The transducer must be vented to atmospheric pressure before the zero procedure E The transducer should be placed at the same height level with the heart approximately mid axially line E Zero procedure should be performed before starting the monitoring and at least once a day after each disconnect and connect of the cable 5 7 Normal Saline Vith Heparin Pressure Transducer 3 Way Stopcok Distal End To Patient PM6000 IBP MODULE N Pressure Transducer Interface Cable Figure 5 3 IBP Zero IBP Calibration Press CAL button on the IBP module to call up the IBP PRESSURE CALIBRATE menu as shown below IBP PRESSURE CALIBRATE CH1 CAL VALUE 200 CALIBRATE 200 200 08 10 2001 00 07 00 CH2 CAL VALUE 200 CALIBRATE 200 144 08 10 2001 00 00 00 Back to the upper menu Figure 5 4 IBP Calibration Menu 5 8 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 The
11. 300 uA sinusoid 62 8 kHz 10 Respiration impedance test range 0 3 to3 Q Baseline impedance range 200 to 2500 Q using an ECG cable with 1kQ resistance Differential input gt 2 5 MQ impedance Linear Signal Range 3 Q p p minimum Bandwidth 0 2 to 2 Hz 3 dB Sweep speed 6 25 mm s 12 5 mm s 25 mm s RR Adult 0 to 120 BrPM Measurement range ae 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 40 s 3 11 3 10 SpO Specifications Mindray DS SpO Module All SpO sensors specified in the section Mindray DS SpO Accessories meets the following specifications when used with Mindray DS SpO module SpO Measurement range 0 to 100 Resolution 1 70 to 100 2 adult pediatric non motion conditions Precision 70 to 100 3 neonate non motion conditions 0 to 69 Undefined Refreshing rate ls Averaging time 7 s When the sensitivity is set to High 9 s When the sensitivity is set to Medium 11 s When the sensitivity is set to Low PR Measurement range 20 to 254 bpm Resolution 1 bpm Precision 3 bpm non motion conditions Refreshing rate ls A study was performed to validate the accuracy of this monitor with 520N SpO sensor Totally 122 neonates 65 male amp 57 female aged from 1
12. AwRR measurement range 0 to 120 BrPM Precision 0 to 70 BrPM 2 BrPM gt 70 BrPM 5 BrPM Response time When measured with a neonatal watertrap and a 2 5 m long neonatal sampling line lt 3 5 s 100 ml min lt 4 s 70 ml min When measured with an adult watertrap and a 2 5 m long adult sampling line lt 5 5 s 100 ml min lt 7 s 70 ml min Delay time When measured with a neonatal watertrap and a 2 5m long neonatal sampling line lt 3 s 100 ml min lt 3 5 s 70 ml min When measured with an adult watertrap and a 2 5m long adult sampling line lt 5 s 100 ml min lt 6 5 s 70 ml min Apnea alarm delay AwRR 10 to 40 s Conditions for measurements in typical precision The measurement is started after the preheating mode of the module Ambient pressure 750 mmHg to 760 mmHg room temperature 22 C to 28 C The gas under test is dry and the balance gas is N2 The deflation rate is 100 ml min the respiration rate is no greater than 50 BrPM with a fluctuation less than 3 BrPM and the inhale interval exhale interval is 1 2 When the working temperature is from 15 to 25 degree or from 50 to 55 degree or when the breath rate is greater than 5OBrpm the measurement precision should meet the requirements of 15021647 4mmHg 0 to 40mmHg or 12 of the reading 41 to 99 mmHg 3 17 Oridion CO Specifications CO2 measurement range 0 to
13. Power board 9201 30 35910 Battery charger board FOR YOUR NOTES 5 12 6 Maintenance and Cleaning 6 1 Maintenance 6 1 1 Checking Before Using NH Check the patient monitor for mechanical damages E Check all exposed conductors connectors and accessories NH 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 DS 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 DS engineers The local office of Mindray DS 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 patient monitor 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
14. inbuilt sidestream infrared light transducer deflation pump and control When used this module requires the external water trap drying pipe and sampling tube In the sidestream mode the deflation rate can be set to 100ml1 min 150ml1 min or 200ml min according to the patient situation When the CO2 measurement is not being conducted the sidestream deflation pump and the infrared source are expected to be shut down thus to extend the service life and reduce the power consumption of the module 2 26 3 Product Specification 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 Sidestream Microstream CO2 ECG RESP TEMP SpO2 NIBP IBP 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 ingress of Not protected ordinary water Mode of operation Continuous Equipment type Portable 3 2 Environmental Specifications Operating temperature 0 to 40 C 5 to 35 C With Sidestream CO2 module 5 to 35 C With Microstream CO2 module
15. 12V DC 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 process 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 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 18 2 3 Software Description 2 3 1 General Physiological Ethernet input command User input by button gt output nalog processing control output Analog outpu component Fig
16. 99mmHg 0 to 38 mmHg 2 mmHg Precision 39 to 99 mmHg 5 0 08 x reading 38 mmHg Drift meet the requirement of accurancy in 6 hours Waveform 0 1 mmHg Resolution Value 1 mmHg 7 5 Sample flow rate 50 minin Initialization time 30 s typical Response time 2 9 s typical Delay time 2 7 s typical AwRR measurement range 0 to 150 BrPM 0 to 70 BrPM 1 BrPM AwRR measurement e 70 to 120 BrPM 2 BrPM precision 121 to 150 BrPM 3 BrPM Apnea alarm delay AwRR 10 to 40 s Precision applies for breath rates of up to 80 bpm For breath rates above 80 bpm accuracy complies with EN ISO 21647 ISO 21647 ISO 9918 4 mmHg or 12 of reading whichever is greater for EtCO2 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 EN ISO 21647 180 21647 Section Eleven Part 101 4 Disassembling Assembling amp Troubleshooting 4 1 DPM4 Disassembling Assembling 4 1 1 Exploded View of DPM4 Figure 4 1 Exploded view of DPM4 NO Material code Part amp Specification Quantity 1 115 001437 00 Front bezel assembly 1 2 115 031392 00 Screen assembly 1 3 M04 002505 Cross head
17. AAMI EC13 Section 4 1 2 1 d as follows When the last 3 R to R intervals gt 1200 ms compute the average of the last 4 R to R intervals otherwise compute the average of the last 12 R to R intervals minus the longest and shortest intervals The displayed Heart Rate is updated once per second Heart Rate Meter Accuracy and Response to Irregular Rhythm When tested in accordance with the ANSI AAMI EC13 Section 4 1 2 1 e the indicated heart rate after a 20 second stabilization period is Figure 3a Ventricular Bigeminy 80 1 bpm Figure 3b Slow Alternating Ventricular Bigeminy 60 1 bpm Figure 3c Rapid Alternating Ventricular Bigeminy 120 1bpm Figure 3d Bi directional Systoles 90 2 bpm Response time to heart rate changes Meets the requirement of ANSI AAMI EC13 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 Tall T Wave Rejection When tested in accordance with ANSI AAMI EC13 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 When tested in accordance with the ANSI AAMI EC13 Section 4 1 2 1 c the heart
18. ECG simulator to 5uv v mmHg BP to OmmHG and the IBP channel 1 to ART Enter the IBP PRESSURE ZERO menu of the DPM4 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 DPM4 conduct 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 DPM4 should display 40 1mmHg 100 2mmHg and 200 4mmHg Set the simulator output to ART wave Then the screen of the DPM4 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 5 1 8 CO2 Test fixture CO2 steel bottle containing 10 CO2 Test procedure Sidestream CO2 measurement Set the calculation compensation of DPM4 to COMMON Plug the water trap to the water trap socket connect the sampling tube with the CO2 steel bottle and open close the valve of the CO2 steel bottle based on the interval of 3s The CO2 value should be the calibration gas pressure value 7645 mmHg When the valve is opened permanently the patient monitor prompts APNEA ALARM Unplug the water trap The patient monitor pro
19. Isolation voltage gt 1500 VAC Signal type Normally open or normally closed selectable Defibrillator synchronization pulse Maximum time delay 35 ms R wave peak to leading edge of the pulse VGA Connector type 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 3 ms 15 PIN D sub socket Signal RGB 0 7 Vp p 75Q Horizontal vertical synchronization TTL level 3 8 ECG Specifications Mindray DS Software Package Lead naming style AHA EURO Lead fault The lead resistance is no greater than 51 kQ and it is in parallel with a 0 047 uF capacitor it will not cause a lead fault condition For 3 5 lead differential offsets lt 300 mV it will not cause a lead fault condition Sensitivity selection 1 25 mm mV x0 125 2 5 mm mV x0 25 5 mm mV x0 5 10 mm mV x1 20 mm mV x2 and AUTO Sweep speed 12 5 mm s 25 mm s 50 mm s Bandwidth 3 dB Diagnostic mode 0 05 to 100 Hz 812A module 0 05 to 150 Hz MO8A module 3 5 Monitor mode 0 5 to 40 Hz Surgery mode 1 to 20 Hz Diagnostic mode gt 90 dB Common mode Monitor mode gt 105 dB rejection Surgery mode 2105 dB The notch filter is turned off 50 60Hz Notch The monitor provides software filtering against the 50 60HZ Filtering industrial frequency In monitor and surgery modes the 50 60HZ filter will
20. airway has two parts one part in the receptacle and the other part in the module Block the small tubes between the watertrap receptacle and module with your fingers and check if the message CO2 SAMPLE LINE ABNORMAL is displayed and the current pump 5 4 rate in the CO2 USER MAINTAIN menu drops below 5 ml min If yes it indicates there is a problem with the airway in the receptacle Replace the receptacle Otherwise replace the module 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 11 Power Supply When the patient monitor is supplied with the external AC power the Battery indicator becomes ON When it is disconnected from the external AC power the Battery 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 the main screen The patient monitor can work normally with or w
21. be turned on automatically In diagnostic mode the 50 60HZ filter will be turned off Input offset current lt 0 1pA except currents to drive leads Differential input impedance gt 5MQ Input signal range 8mV peak to peak value Accuracy of input signal reproduction Methods A and D were used to establish overall system error and frequency response according to EC11 Auxiliary current Leads off detection Active electrode lt 0 1 pA Reference electrode lt 1 pA Patient leakage current lt 10uA Recovery time after defibrillation lt 5s Calibration signal 1 mV peak to peak value precision 5 ESU protection ESU noise control Incision mode 300W Congelation mode 100W Restore time lt 10s The monitor complies with the requirements of ANSI AAMI EC13 Section 4 2 9 14 The monitor uses the ECG leads meeting the requirements of AAMI based on the ECG baseline the peak noise lt 2mV The monitor complies with the test method in EC13 Section 5 2 9 14 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 Trigger threshold level 200 uV lead IT Trigger indication There will be an audible beep on every beat captured Heart Rate Averaging The average Heart Rate is computed in line with the ANSI
22. control panel and knob control and the easy to use menu system enable you to freeze record or perform other operations conveniently The DPM4 Patient Monitor measures patient s ECG NIBP SpO TEMP RESP IBP 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 procedures and makes it more effective For patients in hospital the basic and important physiological
23. 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 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 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 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
24. day to 30 days with a gestation age of 22 weeks to full term were involved in this study The statistical analysis of the 200 pairs of data over the range of 72 to 100 SaO of this study shows that the accuracy Arms is 2 47 digits which is within the stated accuracy specification Another study performed on adult subjects also shows the effectiveness This monitor with 520N SpO sensor was validated on adult subjects 1 62 Arms and that actual performance in the neonatal population was observed 3 12 Masimo SpO2 Module All SpO sensors specified in the section Masimo SpO2 Accessories meets the following specifications when used with Masimo SpO module SpO2 Measurement range 1 to 100 Resolution 1 70 to 100 2 adult pediatric non motion conditions pred oe 70 to 100 3 neonate non motion conditions 70 to 100 3 in motion conditions 0 to 69 Undefined Refreshing rate ls Averaging time 24 s 46s 8s 10s 12s 148 l6s Low perfusion conditions Pulse amplitude gt 0 02 Light penetration gt 5 Low perfusion accuracy 2 PR Measurement range 25 to 240 bpm Resolution 1 bpm Precision Refreshing rate 3 bpm non motion conditions 5 bpm in motion conditions ls Nellcor SpO Module All SpO sensors specified in the section Nellcor SpO2 Accessories meets the following specifications when used with Nellcor SpO m
25. ge aed a there a teste ues 5 3 LB AEREA PAR 5 3 P RA C Li ii ita 5 4 5 1 9 Water ap ii aides lia A Ad id 5 4 5 110 Recorder iaa 5 5 31 11 Power SUPPLY ias 5 5 AA o A TETERA 5 5 EA AA EA 5 5 5 2 NIBP Cal aa 5 6 tS ABR Calibrations as eee la e eo e a Oh ds o Ot he SS Bk 5 7 5 3 1 IBP Transducer LETONIA EA ULES Ada 5 7 54A D PM4 Material st a S EKRA 5 11 6 Maintenance and Cleaning csccccsccssssscsssccscssssssccsssssesccsesccssscsssssessscsssscssssessssones 6 1 OF Maintenance iret ihanan n resuede tiene dida leida deca dida ida de 6 1 6 1 Checkme Before USE mevtintonciolalonestinasodio nn ie ento bedbcass lonpoathbads saps cles aategute odes 6 1 6 1 2 Regular Check ici A Peteder onto tas 6 1 6 2 Clean 6 2 0 3 Cleaning Re agotado ao E Atrae 6 2 CA Disinfection niren tt a at e ts til td 6 2 FOR YOUR NOTES 1 About the Product 1 1 Introduction The DPM4 Patient Monitor a portable and accessible patient monitor which applies to adults pediatric and neonates is supplied by rechargeable battery or external AC power You can select different configurations as required Besides the DPM4 can be connected with the central monitoring system whereby a monitoring network will be formed Parameters that the DPM4 can monitor include ECG RESP SpO NIBP 2 channel TEMP 2 channel IBP and CO It is a compact and lightweight patient monitor Its color TFT LCD is able to show patient parameters and waveforms clearly The compact
26. 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 Su Oey IED Diluted aqua ammonia Diluted sodium hypochlorite bleaching powder for washing Hydrogen peroxide 3 Ethanol Isopropyl alcohol 6 4 Disinfection To avoid the long time damage to the patient monitor we recommend you To conduct only disinfection which is considered necessary in your maintenance plan To clean the patient monitor before the disinfection For the disinfections of ECG leads SpO sensor blood pressure cuffs and temperature sensor refer to relevant chapters in Operation Manual Gas EtO or formaldehyde are forbidden for the disinfection of the patient monitor Mindray DS USA Inc 800 MacArthur Blvd Mahwah New Jersey 07430 USA Tel 1 800 288 2121 Tel 1 201 995 8000 www mindray com P N 046 000181 00 5 0
27. provides the control signal for the Led Drive Circuit and SPO2 Signal Process Network CPU System E Implementing the logical control of all the circuits E Implementing the data processing for the SpO parameter E Implementing the communication with the CPU board Power amp Signal isolate Circuit E Isolating the external circuits to ensure the safety of human body E Supplying power for all circuits EH Implementing the isolation communication between the CPU System and the CPU board 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 Valve Drive Valve eee K Circuit Windpipe Air Motor Drive ba Pump Circuit NIBP Signal Process Circuit Cuff Over Pressure Detect CPU System RAM ROM Main Watchdog lt gt board Logic Control 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
28. screw M3 6 8 4 M04 000104 Elastic gasket GB93 3 2 5 8002 30 36185 Main Unit 1 6 115 03 1469 00 TR6F Recorder 1 7 M04 004012 Gasketed cross head screw M3 6 2 4 1 8 8002 30 36209 CF Card assembly 1 9 M04 000305 Self tapping screw PT3X12 2 10 8002 30 36342 Back housing assembly 1 11 8002 30 36378 Back housing assembly supporting 1 wireless network adapter 12 8002 30 36204 Parameter connector assembly with CO2 1 13 M04 004015 Gasketed cross head screw M3 8 4 14 8002 21 36169 Parameter connector panel with CO2 1 15 8002 20 36222 Parameter connector label with CO2 1 16 9211 30 87429 Water trap assembly 1 17 M04 051003 Cross pad self tapping screw PT2X6 6 4 1 2 DPM4 Front Bezel Assembly Te Figure 4 2 DPM4 display front bezel assembly 4 2 NO Material code Part amp Specification Quantity 1 8000 20 10290 Anti glare mask 1 2 8002 20 36238 Alarm indicator mask 1 3 043 000087 00 Front bezel 1 4 8002 20 36265 Dust washer 4 5 8001 30 25667 Alarm indicator board 1 6 8000 20 10193 Key plate 1 7 8002 30 36165 Keyboard 1 8 M04 051003 Self tapping screw PT2X6 8 9 0010 30 43089 Encoder board 1 10 8000 20 10194 Rubber button 1 11 8000 20 10220 feet 2 12 9201 20 35972 Knob 1 4 3 4 1 3 DPM4 Back Housing Assembly Lithium Battery Figure 4 3 DPM4 back housing assembl
29. 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 24 2 4 4 SpO2 The SpO2 value is obtained through the pulse waves of the finger tips based on specific algorithm and clinical data The SpO2 probe is the measurement transducer It 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 SpO2 module is involved in four parts SpO2 probe signal processing unit LED driven sequencing control part and the MCU 2 4 5 TEMP Temperature measurement principle 1 The transducer converts the body temperature to the electric signal 2 The amplifier amplifies
30. system 2 1 5 Other Auxiliary Functions The DPM4 patient monitor also provides the network upgrade function for the service engineers to upgrade the system software without disassembling the enclosure 2 2 Hardware Description The structure of the DPM4 patient monitor is shown in the following figure FAN rr SCREEN 800x 600 E a a ALARM LAMP Pe minw Cunnectar p PA DA KEY BOARD MODULE m nem m 7 h REPRODUER a gt POWER BOARD ping one Wa Pr p ni pI BOARD Inpa p J R TS a a RECORDER ns 1 MODULE BATTERY mae VGA X6 xT xe NET c02 SP02 NIBP IBP X10 x11 x2 AUX 4 a z a a 2 Ps gt bs IBP TERP EG Cuff Cable Sensor Cable S02 Figure 2 2 Functional structure of the DPM4 The DPM4 PCB connection is shown in the following figure P4 LVDS PA TFT_DIGITAL J PACRT Pio 7 Button Panel P3FOR 9000 VGA Power PCB J E or 3 P11 Main Board i P13 Xi P17 FOR 509C a Recorder Module P15 X P16 X7 NIBP Module 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 2 4 2 2 1 2 Principle diagram
31. 5 34s average 4 75s Response time of tachycardia 4a range 3 94 to 5 92s average 4 69s alarm 4ad range 4 28 to 5 18s average 4 78s Figure 4bh range 3 57 to 8 22s average 4 83s 4b range 3 09 to 4 11s average 3 64s 4bd range 3 20 to 4 52s average 4 09s Tall T Wave Rejection When tested in accordance with the ANSI AAMI EC13 Section 4 1 2 1 c the heart rate meter will reject all T waves with amplitudes less than 1 2 mV 100 ms QRS a T wave duration of 180ms and a Q T interval of 350 ms Pace pulse Pulse indicator Pace pulses meeting the following conditions are marked by the PACE indicator Amplitude 4 to 700 mV 3 5 lead 2 to 700 mV 12 lead Width 0 1 to 2 ms Rise time 10 to 100 us Pulse rejection When tested in accordance with the ANSI AAMI EC13 Sections 4 1 4 1 and 4 1 4 3 the heart rate meter rejects all pulses meeting the following conditions Amplitude 2 to 700 mV Width 0 1 to 2 ms Rise time 10 to 100 us Min input slew rate 20 V s RTI Measurement range ST segment measurement 2 0 to 2 0 mV Precision 0 8 to 0 8 mV 0 02 mV or 10 whichever is greater Beyond this range Undefined Update period Updated every 16 valid beats 3 9 RESP Specifications Measurement technique Thoracic impedance Lead Optional lead I and lead I default lead II Respiration excitation waveform lt
32. DPM 4 Patient Monitor Service Manual Copyright 2008 2015 Mindray DS USA Inc All rights reserved For this Service Manual the issued date is March 2015 Version 5 0 Intellectual Property Statement Mindray DS USA Inc hereinafter called Mindray DS owns the intellectual property rights to this product and this manual This manual may refer to information protected by copyrights or patents and does not convey any license under the copyright and patent rights of Mindray DS nor the rights of others Mindray DS intends to maintain the contents of this manual as confidential information Disclosure of the information in this manual in any manner whatsoever without the written permission of Mindray DS is strictly forbidden Release amendment reproduction distribution rental adaptation and translation of this manual in any manner whatsoever without the written permission of Mindray DS is strictly forbidden mindray is a trademark or a registered trademark of Shenzhen Mindray Bio Medical Electronics Co Ltd All third party trademarks that appear in this manual are used solely for editorial purposes and are the property of their respective owners Contents of this manual are subject to changes without prior notice Responsibility on the Manufacturer Party All information contained in this manual is believed to be correct Shenzhen Mindray Bio Medical Electronics Co Ltd shall not be liable for errors contained h
33. Exploded View Of DPMA4 cum ia S 4 1 4 1 2 DPM4 Front Bezel Assembly ccc sen a o aE 4 2 4 1 3 DPM4 Back Housing Assembly Lithium Battery eee eee eeeeeeeeeeees 4 4 ATA Screen Assembly ses contando nod nora aee erare ie a ieri A iTS EEE EHNEN Eeo EEren 4 5 4 1 5 Battery Connector Assembly oooococonocnocnocconananonncancnnonnnrnnonncononnconncnncnncnncrnnonncns 4 6 4 1 6 Parameter Connector Assembly ooococcnicncccocanononnconcnncnnnonnconcnnonnnonccnncnno nac onncnnons 4 7 4 17 CE Card Assembly svccvesd assess sauveste os tests dhordete e e a 4 8 AD Troubleshoot no rt A AA AAA ARA 4 9 4 2 1 Black Screen Startup Failure oooonconnnonnccnocanononncnncononnnonncnncononn nono cnncnnc nac cnncnncns 4 9 4 2 2 White Screen amp Other Abnormal Screen oocononicnocnncnnonconcnnnononnncnnconanacinncnncnnos 4 10 4 2 3 Encoder Faults iii 4 10 4 2 4 No AUdIO Alar essan paidan as denda de eaa ae Eei decada didas 4 10 4 225 AAA nanny e a a i A n E ta 4 10 4 2 6 Abnormal Paper DAVE comicas iia iia 4 10 5 Test and Material List ccscsssssssrssssssssssesessscscssrsessesscssesesscsessessssessesscssesessecsessesensess 5 1 Srl Test Procedure cocaina dee A id Deals a A A 5 1 5 1 1 Connection and Checking oooooccnonccncocanaconncancnnonncnnnonncononn E conc cnncancnncrnncnncns 5 1 5 1 2 Functions OF Buttons iaa ai 5 1 SLJ ECG RESP corrida Hise ae dadas 5 1 AAA TEE 5 2 MS NIBP a A A sonedsues loveeuseastoyee satay S 5 2 DELO SPO La suede
34. The customer is responsible for freight charges when this product is shipped to Mindray DS for service this includes customs charges 3 Return address Please send the part s or equipment to the address offered by the Customer Service department Company Contact Manufacturer Address Website E mail Address Tel Fax Distributor Address Tel Website Shenzhen Mindray Bio Medical Electronics Co Ltd Mindray Building Keji 12th Road South Hi tech industrial park Nanshan Shenzhen 518057 P R China www mindray com service mindray com cn 86 755 81888998 86 755 26582680 Mindray DS USA Inc 800 MacArthur Boulevard Mahwah New Jersey 07430 USA 1 800 288 2121 1 201 995 8000 www mindray com Safety Precautions 1 Meaning of Signal Words In this service manual the signal words WARNING A caution and NOTE are used to indicate safety and other important instructions The signal words and their meanings are defined as follows Indicates a potentially hazardous situation which if not avoided could ZA warn ING result in death or serious injury Indicates a potentially hazardous situation which if not avoided may A caution TOR P result in minor or moderate injury NOTE Indicates a potentially hazardous situation which if not avoided may result in property damage 2 Meaning of Safety Symbols A Attention Refer to the operation manual Safety Precautions Plea
35. a to VRAM through FPGA FPGA gets data from VRAM processes them and then sends them to the relevant graphic display device 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 Input Circuit RESP Signal Input Circuit ECG Signal Process Circuit Temperature Detect Circuit RESP Signal Process Circuit 2 2 2 3 Principle h Carrier Generate Circuit Figure 2 5 Working principle of the ECG RESP TEMP module gt Pace Detect AID gt CPU System RAM ROM Watchdog lt p Power 8 Signal isolate Circuit Main board 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 pro
36. ain 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 Checklupdate those components one by one to locate the fault Figure 4 7 Location flow of faults causing black screen 4 9 4 2 2 White Screen amp Other Abnormal Screen In case of faults causing white screen or other abnormal screens Check whether the LCD connection wires are in good contact Replace the LCD connection wires or replace the LCD if necessary Replace the main control board if the fault still exists 4 2 3 Encoder Faults If all other functions indicator alarm buttons of the button panel are normal proceed to step 2 otherwise replace the button panel Check whether short circuit or abnormal open circuit occurs in the encoder pad Replace the encoder 4 2 4 No Audio Alarm Check whether the audio alarm function is disabled in the software settings Replace the speaker Replace the button panel 4 2 5 Printing Failure Check whether there is any alarm about the recorder If any eliminate it Check whether the recorder indictor is on 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 Replace the recorder module 4 2 6 Abnormal Pap
37. board It 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 DPM4 patient monitor 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 the user to input the information and commands to the patient monitor 2 2 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 to the 5V 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
38. create ici coi colada 2 21 ZA System Parametros 2 22 DAV General a AA e AAA baat A AAA 2 22 2 42 ECORESP A E 2 23 LANA A 2 24 A O e tentietes 2 25 ZAS TEMP tiara diia diia leida iii cti tacita iia dee atiesediss 2 25 2A OBE TO 2 26 DP COD cece ccvsciusceveven iE AEE EAE AE EAE E E AEEA EARR 2 26 3 Product Specification sissies cessccescessiensccsssenstessvensddssvansdesssasccesvencdeossesddestacsdcsssasssdestecsteesss 3 1 3 1 Safety Classifications sssini nuri iiine bedetaussusconny ide 3 1 3 2 Environmental Specifications 00 ceeceeceeeeeseceeceseesecesseeesessesseseseesesseseeseaeegs 3 1 3 3 Power Source Specifications snis erter e ee a aasiki et saote 3 2 34 Hardware Specifications iii 3 3 30 Wireless NELW OLK s enre iperen ao iii tii tati ii 3 4 3 6 Data Stora fe souino i a a a a a E aaa 3 4 3 7 Signal Output Specifications 0 eee eee ceeceeceseesecseceeeesecsesesseessesseseseaseaesseeeeseaeegs 3 4 3 90 ECO Specifications in a its 3 5 39 RESP Speci Cations acti LOIRA tad 3 11 3 10 SpQo Specifications vous a cias 3 12 3IL NIBP Specification OA 3 14 3 12 TEMP Specifications ii a A ia 3 15 3 13 IBP Specifications iiss anisar ro r road rica 1 above a ET rias O N 3 15 3 14 QO Specifications cti id 3 16 4 Disassembling Assembling amp Troubleshooting e ssssscessosssosssosssoessosssosssossoosscesscessose 4 1 4 1 DPM4 Disassembling Assembling s sseeessseessseessesssssstsesresterestsresrsresentsesteresrnresrsresene 4 1 4 11
39. e 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 DPM4 Material List Material Code Name amp Specification 115 001437 00 Front bezel assembly 043 000087 00 Front bezel 8002 30 36342 Back housing assembly 8002 30 36378 Back housing assembly supporting wireless network adapter 8002 20 36167 51 Back housing 8002 20 36167 52 Back housing supporting wireless network adapter 021 000166 00 TFT Screen 8 4 800X600 009 005261 00 Cable MB to LCD 009 005260 00 Cable BP to LCD 8002 30 36209 CF Card Module 9210 30 30150 9210 Host Board 05 1 000007 00 812B ECG module 630D 30 09121 630D NIBP module 05 1 000058 00 9008 SpO2 module M03A 30 26050 IBP board 115 031392 00 Screen assembly 8002 30 36165 Keyboard 0010 30 43089 Encoder board 8001 30 25667 Alarm indicators board 8002 20 36175 Screen supporter 8002 20 36195 Fan 115 031469 00 TRO6F Recorder 8000 20 10290 Anti glare mask 9211 30 87429 Water trap assembly 0000 10 11020 Inverter TPI 01 0207 M 8002 30 36204 Parameter connector assembly 8002 30 36155
40. e error 5mmHg Maximum standard deviation 8mmHg Resolution 1mmHg Static pressure 0 to 300mmHg measurement range Static accuracy 3 mmHg Adult 297 3 mmHg Over pressure protection ae Pediatric 240 3 mmHg by software Neonate 147 3 mmHg Adult 330 mmHg Over pressure protection ae Pediatric 330 mmHg by hardware Neonate 165 mmHg 3 14 Adult 178 5 mmHg Default start pressure Pediatric 133 10 mmHg Neonate 6745 mmHg PR from NIBP Measurement range 40 to 240 bpm Precision 3 bpm or 3 whichever is greater Resolution 1 bpm 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 a 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 3 13 IBP Specifications Number of channels Pressure readings 2 Systolic diastolic mean pressures and PR Pressure labels ART PA CVP RAP LAP ICP P1 and P2 Linear input range will be 50 to 300 mmHg after zeroing 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 3 15
41. ends 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 filters 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 E Implementing the logical control of all parameter parts and A D conversion parts E Implementing the data processing for all parameters E Implementing the communication with the main board Power amp Signal isolate Circuit NH Isolating the external circuits to ensure the safety of human body E Supplying power for all circuits EH Imp
42. er Drive Check whether there are blocks on the paper roller of the recorder Check whether there are blocks in the gear cluster of thermal assembly of the recorder Check whether the voltage input of the recorder is larger than 17 6V 4 10 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 DPM4 patient monitor and power it on 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 DPM4 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 select all the four gains and AUTO ensure the waveforms are displayed properly and check whether the 50Hz 60Hz interference can be filtered 2 Check in all the 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 simu
43. erein nor for incidental or consequential damages in connection with the furnishing or use of this manual The manufacturer will not be liable for the effects on safety reliability and performance of this product if E any installation operations expansions changes modifications and repairs of this product are not conducted by Mindray authorized personnel and E the electrical installation of the relevant room does not comply with the applicable national and local requirements and E the product is not used in accordance with the instructions for use Upon request Mindray may provide with compensation necessary circuit diagrams calibration illustration list and other information to help qualified technician to maintain and repair some parts which Mindray may define as user serviceable NOTE This equipment must be operated by skilled trained medical professionals Z WARNING 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 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 carr
44. ewbed 1 second Analyzing ECG signal calculating ECG values 11 ECG analysis HR ARR and ST and saving the analysis 1 second results In case of a 12 Record output Outputting records record event 13 NIBP processing Implementing NIBP related processing 1 second 14 WATCHDOG task Managing the system watchdog 1 second 2 20 2 3 3 System Function The system tasks can be classified as follows Network sending event TTT TTT Screen switchover event odule amp screen switchover task Dormant for a period WatchDog management task etting an event S Legend Getting an event Network connection J task System event IBP processing task Dormant for a perlod System monitoring task Dormant for a Dormant for a penod period Network receiving task Sending a message to pipeline or queue Pipeline or queue Getting a message from pipeline or queue Figure 2 13 System task 2 21 2 4 System Parameter 2 4 1 General For the DPM4 patient monitor 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
45. f 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 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 2 23 E RESP The DPM4 patient monitor 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
46. ied 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 II 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 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 DS 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 Warranty THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE Ill Exemptions Mindray s obligation or liability under this warranty does not include any transportation or other charges or liability for direct
47. ies 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 DPM4 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 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 DPM4 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 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 DPM4 to the 5 2 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 should be respectively 40 8mmHg 10 8mmHg and 20 8mmHg 5 1 6 SpO2 Select PLETH as the HR source of DPM4 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 IBP test Set the BP sensitivity of the
48. indirect or consequential damages or delay resulting from the improper use or application of the product or the use of parts or accessories not approved by Mindray or repairs by people other than Mindray authorized personnel This warranty shall not extend to E any Mindray product which has been subjected to misuse negligence or accident E any Mindray product from which Mindray s original serial number tag or product identification markings have been altered or removed E any product of any other manufacturer Safety Reliability and Performance Mindray is not responsible for the effects on safety reliability and performance of DPM4 patient monitor if E Assembly operations extensions re adjusts modifications or repairs are carried out by persons other than those authorized by Mindray E Personnel unauthorized by Mindray repairs or modifies the instrument Return Policy Return Procedure In the event that it becomes necessary to return this product or part of this product to Mindray DS the following procedure should be followed 1 Return authorization Contact the Customer Service Department and obtain a Customer Service Authorization number This number must appear on the outside of the shipping container Returned shipments will not be accepted if the number is not clearly visible Please provide the model number serial number and a brief description of the reason for return 2 Freight policy
49. information is required including ECG SpO2 RESP IBP CO2 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 1 1 2 2 Usage DPM4 converts 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 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 The DPM4 patient monitor should be run under the control of clinical staff DPM4 patient monitor has the following functions ECG RESP SpO NIBP TEMP IBP CO Heart Rate HR 2 channel ECG waveform Arrhythmia analysis and S T analysis optional Respiration Rate RR Respiration waveform Pulse Oxygen Saturation SpO2 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 End tidal carbon dioxide EtCO2 Inspired minimum CO InsCO Airway Respiration Rate AwRR The DPM4 provides the functions of audio visual alarm trend graphic storage and output NIBP measurement alarm event identification large fo
50. ithout batteries It however should give an alarm when the batteries are exhausted 5 1 12 Clock Verify the correctness of the clock in the system test and then set the clock to the current time 5 1 13 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 5 2 NIBP Calibration ITEM DESCRIPTION QTY 1 Pressure gauge 1 2 500m steel bottle 3 Inf lator 1 4 T piece 2 5 Windpipe waaa 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 pressure point within the NIBP measurement range of the patient monitor should be no more than 3mmHg 0 4kPa 5 6 5 3 IBP Calibration 5 3 1 IBP Transducer Zero Press the ZERO button on the IBP module to call up IBP PRESSURE ZERO menu as shown
51. lator is 1mV the heart rates are respectively 30 60 120 200 240 and 300 Check leads I II and III The results should meet 29 31 59 61 119 121 198 202 238 242 and 297 303 5 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 5 1 RESP measurement Set the baseline impedance to 1K the respiration impedance to 0 5Q and 3Q 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 0Q and set various alarm time Alarms should be given 5 1 4 Temperature 1 YSIprobe Select YSI probe from the manufacturer menu select Y SI temperature probe as the test fixture set the analog resistance to 1 471K 1 355K and 1 249K Then the TEMP parameter should be 35 0 1 C 3740 1 C and 39 0 1 C 2 CY Fl probe Select CY Fl probe from the manufacturer menu select CY Fl 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 3740 1 C and 39 0 1 C 5 1 5 NIBP Connect the NIBP simulator adult cuff and accessor
52. lementing the isolation communication between the CPU System and the main board 2 2 0 IBP Module 2 2 3 1 General This module provides the function of measuring Invasive Blood Pressure IBP 2 2 3 2 Principle diagram CPU System RAM ROM Power amp Main A D a Signal board Watchdog isolate Circuit IBP1 gt IBP Signal Process Circuit IBP2 Figure 2 6 Working principle of the IBP module 2 9 2 2 3 3 Principle This module collects the IBP signal through the transducers processes it and sends it to the main board throgh the serial port 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 E Converting the analog signal obtained by the circuit to the digital signal E Implementing the logical control of all parameter parts E Implementing the data processing for the two parameters EH Implementing the communication with the CPU board Power amp Signal isolate Circuit Isolating the external circuits to ensure the safety of human body E Supplying power for all circuits NH Implementing the isolation communication between the CPU System and the main board 2 10 2 2 4 SpO Module 2 2 4 1 General This
53. module provides the function of measuring the Pulse Oxygen Saturation SPO 2 2 4 2 Principle diagram SPO2 Signal Process Circuit SPO2 CPU System RAM ROM Power amp Watchdog p Signal Main Logic Control isolate Circuit board LED lt Led Drive Circuit Figure2 7 Working principle of the SpO2 module 2 2 4 3 Principle The SpO2 measurement principle 1 Collecting the light signal of the red light and infrared transmitting through the finger 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
54. mpts CO2 water trap OFF Plug the water trap again The prompting message disappears 2 When the measured value exceeds the high limit of CO2 the patient monitor prompts CO2 too high on the main screen When the measured value is lower than the low limit the patient monitor prompts CO2 too low 5 1 9 Watertrap 1 Connect the airway and block the inlet of the sampling line with your finger Check if the message CO2 SAMPLE LINE ABNORMAL is displayed and the current pump rate in the CO2 USER MAINTAIN menu drops below 5 ml min If yes it indicates the airway is normal Otherwise proceed with step 2 Remove the sampling line and block the inlet of the watertrap with your finger Check if the message CO2 SAMPLE LINE ABNORMAL is displayed and the current pump rate in the CO2 USER MAINTAIN menu drops below 5 ml min If yes it indicates there may be a problem with the connection between the sampling line and watertrap or a leakage in the sampling line Otherwise proceed with step 3 Remove the watertrap and block the two inlets in the receptacle for the watertrap Check if the message CO2 SAMPLE LINE ABNORMAL is displayed and the current pump rate in the CO2 USER MAINTAIN menu drops below 5 ml min If yes it indicates there may be a problem with the connection between the watertrap and its receptacle or a leakage in the watertrap Otherwise there may be a problem with the internal airway in the monitor The internal
55. n 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 E The pressure calibration of DPM4 E F ial Lo I Pressure l j Transducer U Ji if if A ER ers an 3 Way f y Stopeock Er 4 Pressure AS E 3 Way Transducer F A Connector Al Interface Cable Hydrargyrum Pressure Meter PM 8000 Figure 5 5 IBP Calibration You will need the following pieces of equipment E Standard sphygmomanometer MH 3 way stopcock E Tubing approximately 25 cm long The Calibration Procedure AR A A 10 11 Close the stopcock that was open to atmospheric pressure for the zero calibration Attach the tubing to the sphygmomanometer 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 the 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 th
56. nostic mode 0 05 to 150 Hz MO8A module Monitor mode 0 5 to 40 Hz Surgery mode 1 to 20 Hz Common mode rejection Diagnostic mode gt 90 dB Monitor mode 2105 dB Surgery mode 2105 dB The notch filter is turned off 50 60Hz Notch Filtering The monitor provides software filtering against the 50 60HZ industrial frequency In monitor and surgery modes the 50 60HZ filter will be turned on automatically In diagnostic mode the 50 60HZ filter will be turned off Input offset current lt 0 1pA except currents to drive leads Differential input impedance gt 5MQ Input signal range 8mV peak to peak value Accuracy of input signal reproduction Methods A and D were used to establish overall system error and frequency response according to EC11 Auxiliary current Leads off Active electrode lt 0 1 uA detection Reference electrode lt 1 yA Patient leakage current lt 10uA Recovery time after lt 5s defibrillation Calibration signal 1 mV peak to peak value precision 5 ESU protection ESU noise control Incision mode 300W Congelation mode 100W Restore time lt 10s The monitor complies with the requirements of ANSI AAMI EC13 Section 4 2 9 14 The monitor uses the ECG leads meeting the requirements of AAMI based on the ECG baseline the peak noise lt 2 mV The monitor complies with the test method in EC13 Section 5 2 9 14
57. nt screen defibrillator synchronization oxyCRG recall drug calculation etc 2 Principles 2 1 General The intended use of the DPM4 patient monitor is to monitor a fixed set of parameters including ECG RESP SpO2 NIBP TEMP IBP and CO2 IBP 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 Man Machine Interface Power Supply Parameter measurement pueog uien Other Auxiliary Functions Figure 2 1 Structure of the DPM4 2 1 2 1 1 Parameter Measurement The parameter measurement and monitoring are the core functions of the patient monitor The parameter measurement part of the DPM4 patient monitor consists of the measurement probe parameter input socket assembly NIBP assembly and the main control board This part converts the physiological signals to electrical signals processes 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 DPM4 patient monitor the main control part refers to the main control part of the main control
58. odule SpO2 measurement range and precision Sensor Range Precision 70 to 100 2 0 to 69 Undefined MAX A MAX AL MAX N MAX P MAX I and MAX FAST 70 to 100 2 5 0 to 69 Undefined 70 to 100 3 0 to 69 Undefined OxiCliq A OxiCliq N OxiCliq P OxiCliq I D YS DS 100A OXI A N and OXI P I MAX R D YSE and D YSPD 70 to 100 0 to 69 3 5 Undefined PR measurement range and precision 20 to 250 bpm 3 bpm 251 to 300 bpm Undefined Refreshing rate ls Averaging time 8s 16s When sensors are used on neonatal subjects as recommended the specified precision range is increased by 1 to account for the theoretical effect on oximeter measurements of fetal hemoglobin in neonatal blood 3 11 NIBP Specifications Measurement technique Auto oscillation Displayed parameters Systolic pressure diastolic pressure mean pressure and PR Mode of operation Manual auto and continuous Measurement interval in 1 2 3 4 5 10 15 30 60 90 120 180 240 480 minutes auto mode Measurement time in 5 minutes continuous mode mmHg Adult Pediatric Neonate Measurement range in Systolic pressure 40 to 270 40 to 200 40 to 135 normal mode Diastolic pressure 10 to 210 10 to 150 10 to 100 Mean pressure 20 to 230 20 to 165 20 to 110 Measurement precision Maximum averag
59. of protection against shock and is suitable for use during defibrillation Equipotential grounding terminal VII FOR YOUR NOTES VIH Contents 1 About the Product cscscssscssccsssssssscsscessssssssccsesssssssssccscosssssssscosssnsssssscosssssssssesoonsonss 1 1 AMO dC de ado ido ea edo dead dd dd ed do do e 1 1 A E ONO 1 1 ERC AA A AOS 1 1 VDD RR 1 2 NAAA A NO 2 1 2 bGenerali anana ita dedito dedo dadas desd dedic ds 2 1 2 1 1 Parameter Measurements anae yat sees schetalesanh R an a jecbsnnt a aE dace sous O a S 2 2 2 1 2 Main Control Pati nie ei besa heed EAEE AENEA 2 2 2 1 3 Man Machine Interface oooonoocononcononcncnnnncnonccnoncononcnconon cono ncnnn non n nn ran na ran nn cana ncnnss 2 2 ZFA POWER SUPPL ynan II E A E rade tea e 2 3 2 1 5 Other Auxiliary FUNCHONS sccseesdeslesseeceeessdesdesseeoviascdestonsosoeutosdentoacedensesosth 2 3 2 2 Hardware Descriptor ea 2 3 DM o at cae a ees 2 4 2 2 2 ECG RESP TEMP Module ooooooococccoocccoocncnonncconccnoncnnononconononnnncnon conan nn rannncnnn conos 2 6 22 IBE Modulet nes o a e ee ee Pee ee 2 9 22 4 SpOs Moli Gi nik nial Gide ain ain Gales 2 11 2 23 NIBP Module wiik ctut Arik Wash Ack AS AA A OA 2 13 2 20 Recorder M d l mirra ties A ARA 2 15 2 26 ButtomePanels ic A A A A A vs a ER A Ena 2 16 2238 Power PCB ii AA A A AAA eee EA 2 17 2 3 S0ftwate DEScriptOn iii aida is 2 19 2 31 Generalitat idad idad AN 2 19 ARSS AA O RAN 2 20 2 323 y SEE PUNCHON
60. rate meter will reject all T waves with amplitudes less than 1 2 mV 100 ms QRS a T wave duration of 180ms and a Q T interval of 350 ms Pace pulse Pulse indicator Pace pulses meeting the following conditions are marked by the PACE indicator Amplitude 4 to 700 mV 3 5 lead Width 0 1 to 2 ms Rise time 10 to 100 us Pulse rejection When tested in accordance with the ANSI AAMI EC13 Sections 4 1 4 1 and 4 1 4 3 the heart rate meter rejects all pulses meeting the following conditions Amplitude 2 to 700 mV Width 0 1 to 2 ms Rise time 10 to 100 us Min input slew rate 20 V s RTI ST segment measurement Measurement range 2 0 to 2 0 mV Precision 0 8 to 0 8 mV 0 02 mV or 10 whichever is greater Beyond this range Undefined Update period 10s Mortara Software Package Lead naming style AHA EURO Lead fault The lead resistance is no greater than 51 KQ and it is in parallel with a 0 047 uF capacitor it will not cause a lead fault condition For 3 5 lead differential offsets lt 300 mV it will not cause a lead fault condition For 12 lead differential offsets lt 500 mV it will not cause a lead fault condition Sensitivity selection 1 25 mm mV x0 125 2 5 mm mV x0 25 5 mm mV x0 5 10 mm mV x1 20 mm mV x2 and AUTO Sweep speed 12 5 mm s 25 mm s 50 mm s Bandwidth 3 dB Diag
61. ring AP with the diameter of 10m Maximum data rate 11Mbps 3 6 Data Storage Trend data Long trend 96 hours resolution 1min 5 min or 10 min Short trend 1 hour resolution 1 s or 5 s Alarm events ARR events 70 alarm events and associated waveforms with user selectable waveform length 8s 16 or 32 80 ARR events and associated waveforms with 8s wavelength NIBP measurements 800 NIBP groups including systolic pressures mean pressures diastolic pressures and measurement time 3 7 Signal Output Specifications Standards Meets the requirements of EC60601 1 for short circuit protection and leakage current Output impedance 500 ECG analog output Bandwidth 3dB reference frequency 10Hz 0 05 to 100 Hz 812A module 0 05 to 150 Hz MO8A module 0 5 to 40 Hz 1 to 20 Hz Diagnostic mode Monitor mode Surgery mode Maximum propagation delay 25 ms In DIAGNOSTIC mode NOTCH is OFF Sensitivity 1 V mV 5 PACE rejection enhancement No pace rejection or enhancement 3 4 IBP analog output Bandwidth 0 to 12 5 Hz 3 dB reference frequency 1 Hz Maximum propagation Delay 55 ms the filter function is disabled Sensitivity 1 V 100 mmHg 5 Nurse call output Driver Relay Electrical specifications lt 60W lt 2A lt 36VDC lt 25VAC Conducting resistance lt 10
62. se observe the following precautions to ensure patient and operator safety when using this system Z N WARNING e Do not connect this system to outlets with the same circuit breakers and fuses that control current to devices such as life support systems If this system malfunctions and generates an overcurrent or when there is an instantaneous current at power ON the circuit breakers and fuses of the building s supply circuit may be tripped e Do not use flammable gasses such as anesthetics or flammable liquids such as ethanol near this product because there is danger of explosion VI Z CAUTION 1 Malfunctions due to radio waves e Use of radio wave emitting devices near the monitor 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 e Jfa 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 Symbols A See instructions Protective earth ground 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
63. tection 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 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 refers 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 s
64. ter E Implementing the communication with the CPU 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 RAM ROM ao es Watchdog i board Logic Control Line Thermal Printer Step Motor Drive Circuit Figure 2 9 Working principle of the recorder module 2 2 6 3 Principle This 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 E Processing the data to be printed NH Controlling the heat sensitive printer and step motor NH Collecting data about the status of the heat sensitive printer and controlling the printer EH Implementing the communication with the CPU board 2 15 2 2 Button Panel 2 2 7 1 General This module provides a man machine interactive interface 2 2 7 2 Principle diagram
65. 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 amplifiers 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 25 2 4 6 IBP The IBP module can monitor the arterial pressure central venous pressure and pulmonary arterial pressure 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 CO2 The CO2 module works based on the infrared spectrum absorption principle The sidestream CO2 module is composed of the circuit board
66. ure 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 software through the serial port while the user interacts with the system through the button panel 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 2 19 2 3 2 System Task NO Task Function Period yee ee oy ee In case of a 1 System initialization Initializing the system startup 2 Data processing Analyzing and saving the data 1 second Display of timer A 3 a Implementing the timed refreshing 1 second information i ae In case of a Switchover of modules Switching over between waveforms and 5 screen change and screens parameters on the screen event 6 Processing of user Processing the user inputs by buttons and In case of a commands and screens displaying them on the screen button event rr 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 vi
67. y 14 NO Material code Part amp Specification Quantity 1 8002 20 36167 Back housing 1 2 8000 20 10339 Sealed cushion for back housing 1 3 8000 20 10220 Feet 2 4 8002 20 36219 Battery Door bond 1 5 M04 000802 Pad GB97 1 3 1 6 M04 003105 Self tapping screw PT3X8 3 7 8002 20 36217 Speaker press plate 1 8 8002 20 36218 Cushion for Speaker press plate 1 9 8002 2 1 36202 Speaker 1 10 M04 05 1085 Self tapping screw PT4X14 2 11 M04 004702 Gasket GB97 1 4 2 4 4 12 8002 20 36224 Fan cushion 1 13 8002 20 36237 Handle 1 14 8002 20 36174 Battery door 1 4 1 4 Screen Assembly Figure 4 4 Screen assembly NO Material code Part amp Specification Quantity 1 M04 051045 Cross head screw M2 5X6 4 2 021 000166 00 LCD TFT 8 4 800 600 3 3V LED bl 1 3 M04 002405 Cross head screw M2X6 2 4 051 001281 00 8 4 inch LED BACKLIGHT PCBA 1 5 8000 20 10217 Stud screw for screen 4 6 8002 20 36175 Screen supporter 1 4 5 4 1 5 Battery Connector Assembly Figure 4 5 Battery Connector assembly NO Material code Part amp Specification Quantity 1 M04 000301 Nut GB6170 M3 1 2 M04 004013 Gasketed cross head screw M3X10 1 3 8002 30 36226 Lithium battery board 1 4 M04 002505 Cross head screw GB818 85 M3X6 1 5 M04 030030 Stud M3X12 1 6 9201 20 36038 Spring 1

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