Service Manual - Artemis Medical
Contents
1. AB CPU System Temperature RAM ROM Detect Circuit Watchdog B a l mr a ae Figure 2 5 Schematic Diagram of TEMP Module 2 3 3 3 Introduction to Principle Measure temperature of body surface or endocavity by taking advantage of the characteristics of the thermal sensitive resistor whose impedance varies with temperature of human body Temperature Detect Circuit Receive the signal transmitted from TEMP sensor amplify the signal and send it into A D converter A D and CPU System Description in frame of dashed lines Refer to the 2 3 1 2 3 4 SPO2 Module 2 3 4 1 General This module is designed to measure SPO2 MEC 1000 Service Manual V1 1 2 7 Principle 2 3 4 2 Schematic Diagram SPO2 gt SPO2 Signal A D et Process Circuit J CPU System RAM ROM Logic Control Watchdog LED Led Drive Circuit Figure 2 6 Schematic Diagram of SPO2 Module 2 3 4 3 Introduction to Principle Sensor is used to collect the signals of red and infrared lights having penetrated human finger or toe Relevant unit is designed to process the acquired signals and accordingly give the result Driving current of LED and gain of AMP circuit are controlled to fit different patients Led Drive Circuit Provide driving current to LED The driving current is adjustable SPO2 Signal Process Ci2. ECG LL LEAD OFF The LL lead wire of ECG is not connected correctly Check the connection of LL lead wire ECG LA LEAD OFF The LA lead wire of ECG is not connected correctly Check the connection of LA lead wire ECG RA LEAD OFF The RA lead wire of ECG is not connected correctly Check the connection of RA lead wire ECG F LEAD OFF The F lead wire of ECG is not connected correctly Check the connection of F lead wire ECG L LEAD OFF The L lead wire of ECG is not connected correctly Check the connection of L lead wire The R lead wire of ECG is Check the connection of R lead ECG R LEAD OFF not connected correctly wire SPO2 sensor is not Check the connection of SpO2 SPO2 SENSOR OFF connected correctly sensor SPO2 sensor is not Check the connection of SpO2 SEARCH PULSE connected correctly or the sensor Check the current situation patient arm moves of the patient TEMP SENSOR OFF TEMP sensor is not Check the connection of TEMP MEC 1000 Service Manual V1 1 7 3 Troubleshooting connected correctly Sensor Check the connection of ECG lead SYSTEM CMOS FULL SYSTEM CMOS ERR SYSTEM EPGA FAILURE SYSTEM FAILURE2 SYSTEM FAILURE3 SYSTEM FAILURE4 SYSTEM FAILURE5 SYSTEM FAILURE6 Rather
3. Figure 4 3 MEC 1000 bracket assembly Structure and Part List 1 M04 004012 Cross phoned screw with 21 washer M3x6 2 8100 30 14117 NIBP Pump assembly 1 3 9200 30 10489 Power board 1 4 9200 20 10515 Isolation panel of Power board 1 5 9303 30 21803 Socket panel Assembly 1 6 9200 20 10689 Recorder Adjust Board 1 7 9200 20 10485 Printer Install Board 1 8 9000 30 05178 Battery backboard 1 9 M04 005005 Screw GB819 85 M3x6 12 10 9200 20 10545 Isolation panel for main board 1 11 M04 000301 NUT GB617II M3 2 12 5000 20 14634 Bottom shield of Main board 1 13 5000 20 14632 Isolation panel for the shield 1 14 5100 30 26870 Main Board ALL in one Board 1 15 5000 20 14633 Top shield of Main Board 1 16 M04 002505 Screw GB818 86 M3x6 2 17 9200 30 10492 Battery Box Assembly 1 18 M1K1 21 22358 Bracket 1 SN Standard Code Name amp SPEC QTY Material Remarks MEC 1000 Service Manual V1 1 4 5 Structure and Part List 4 1 4 Parameter Socket Assembly B gt m Figure 4 4 Parameter socket assembly 4 6 MEC 1000 Service Manual V1 1 Structure and Part List 1 M04 002405 Screw GB818 86 M2x6 M04 000102 Washer GB97 2 2 3 M04 004012 Cross phoned screw with washer M3x6 4 9303 20 21814 Single TEMP signal Cable 1 5 9000 20 05204 Washer of TEMP pro
4. 12V DC DC Battery Control Battery ap Circuit Voltage Detect Main Circuit board Power Switch 12V Power Supply Circuit Figure 2 8 Schematic Diagram of Power Board 2 4 3 Introduction to Principle This module converts 220V AC mains or battery power into 5V and 12V DC supplies to power other boards If AC mains and battery coexist the former take the priority to power the system and charge the latter at the same time AC DC Convert high voltage AC supply into low voltage DC supplies to power subsequent circuits and charge the battery Battery Control Circuit If AC mains and battery coexist this circuit controls the output from AC DC part to charge the battery If AC mains is disconnected this circuit controls the battery to power the subsequent circuits 5V DC DC Convert the DC supply from the previous circuit into stable 5V DC supply to power other boards 12V DC DC 2 10 MEC 1000 Service Manual V1 1 Principle Convert the DC supply from the previous circuit into stable 12V DC supply to power other boards Power Switch Circuit Control the working status of 5V DC DC and 12V DC DC in order to control ON OFF action of the patient monitor Voltage Detect Circuit Detect the output voltages of various parts of the circuits convert the analog signals into digital signals and send them into main board for further processing 2 4 4 Testing key points After connecting AC mains the DC volta
5. Alarm Range Resolution Accuracy Actualization interval Alarm Delay Pulse Rate Measuring and Alarm Range Resolution Accuracy Alarm Delay 3 2 12 TEMPERATURE TEMP Channel Measuring and Alarm Range Resolution Accuracy Actualization interval Product Specification 0 100 0 100 1 70 100 2 0 69 about Is 10s Unspecified 20 254bpm Ibpm 3bpm 10s 1 0 50 C 0 1 C 0 1 C about 1 Sec MEC 1000 Service Manual V1 1 3 5 Structure and Part List Chaptr4 Structure and Part List 4 1 1 MEC 1000 Explosive view jd N a Gg As T Ni EEE 3 A 3 wei d A 1 Z 7 104 Figure 4 1 Graphics exploded 1 M1K1 30 22368 Front panel assembly 1 2 M04 004012 Cross phoned screw with washer 4 MEC 1000 Service Manual V1 1 4 1 Structure and Part List M3x6 3 9300 30 13793 10 4 Au TFT screen Assembly 1 or MKI 30 22355 or 10 4 TFT LG 800 600 screen Assembly 4 M04 003105 Screw GB845 85 M3x8 2 5 9303 30 21801 6 Pin parameter socket panel 1 6 M04 000305 Screw GB845 85 M3x12 4 7 9000 20 05185 Battery Door 1 8 M04 000802 Washer GB972 3 2 9 9303 30 21804 Bracket Assembly 1 10 M1K1 30 22305 Rear panel assembly 1 11 TR6C 30 16657 TR6C C recorder package 1 12 M04 004014 Cross phoned screw with washer 4 M4x10 13 M04 00401 7 Cross phon
6. Environmental Conditions 1 3 1 Temperature Operating 0 40 C Transportation and Storage 20 60 C 1 3 2 Humidity Working 15 95 Transport and Storage 10 95 noncondensingl 1 3 3 Altitude Operating 500 to 4 600 meters Transportation and Storage 500 to 13 100 meters 1 3 4 Electrical specification 100 250 VAC 50 60Hz max input power consumption 110VA 1 2 MEC 1000 Service Manual V1 1 Principle Chapter 2 Principle 2 1 o MEC 1000 Principle MEC 1000 portable patient monitor has been designed to measure physiological parameters including ECG RESP TEMP NIBP and SPO2 etc Figure2 1 shows the structure of the whole monitor as well as the connection relationships between different parts The board in ihe center of the figure is the core part of the monitor e integrated board for main control and parameter measurement which though being a single board could realize the measurements of five said parameters accordingly uniform AD conversion and digital processing system is used NIBP assembly Recorder Parameter Part Figure 2 1 MEC 1000 structure and part relationship In terms of its functionality MEC 1000 is made up of following paris 1 Parameter measuremeni part 2 Main control part 3 Man machine interface 4 Power supply 5 Other auxiliary part Below is the detailed introduction to each part MEC 1000 Service Manual V1 1 2 1 Principle 2 1 1 Parameter
7. Routine Check The overall check of the monitor including the functional safety check must be performed by qualified personnel once every 6 to 12 month or each time after fix up All checks that need to open the monitor enclosure must be performed by qualified service personnel Warning A If the hospital or agency that is responding to using the monitor does not follow a satisfactory maintenance schedule the monitor may become invalid and the human health may be endangered 6 2 General Cleaning A Warning A Turn off the power and disconnect the line power before cleaning the monitor or the sensor probe The MEC 1000 Multi Parameter Patient Monitor must be kept dust free It is recommended that you should clean the outside surface of the monitor enclosure and the display screen regularly Only use non caustic detergents such as soap and water to clean the monitor enclosure A Caution A Pay special attention to avoid damaging MEC 1000 monitor O Avoid using ammonia based or acetone based cleaners such as acetone Most cleaning agents must be diluted before use Dilute the cleaning agent as per MEC 1000 Service Manual V1 1 6 1 Maintenance and Cleaning the manufacturer s direction Do not use the grinding material such as steel wool etc O0 Do not let the cleaning agent enter the monitor Do not immerse any part of the system into liquid Do not leave the cleaning agents at any part of the equipment 6 3
8. V1 1 4 9 Structure and Part List M05 100R29 CR2032 button battery 3V lithium 9300 30 13793 Au TFT screen assembly or MKI 30 22355 o LG TFT screen assembly 0010 10 12096 INVERTOR M1K1 30 22368 Front panel assembly 9200 21 10633 Speaker 900E 20 04855 Rear panel 9000 10 07294 Accumulator 9210 30 30152 Network board 4 10 MEC 1000 Service Manual V1 1 Tests Chapter 5 Tests Test Procedure Connection and Inspection Connect the simulator power supply and fixture onto MEC 1000 monitor turn on the power TFT shall display startup picture and then the system screen Inspecting Key Functions Press every key on the keypad The system shall execute the corresponding function as instructed in the operation manual The encoder shall execute the corresponding as well 51 3 ECG RESP test TFT shall display standard ECG wave The error between the heart rate and the setup value of simulator shall not exceed 1 that is 6041 RESP wave shall be smooth and uniform RESP Rate shall be 2041 Sequentially select all leads include Cal four gain options and AUTO FILTER and NON FILTER modes the monitor shall give correct display The 50 60HZ interference shall be removed Consistency shall exist for heart beat sound flashing of heart symbol and appearance of R wave in the above mentioned situations Gain has corre
9. large interference i pee i wire Check the current situation ECG NOISE signals appear in the ECG i l e of the patient Check if the patient signals moves a lot XX has error X during XX INIT ERR X St initialization i i Se amet come Re start up the monitor or re plug XX COMM STOP 8 in out the module If the error still with the host exists contact the manufacturer XX cannot communicate XX COMM ERR normally with the host XX represents all the parameter modules in the system such as ECG NIBP SpO etc The alarm limit of XX B ae Contact the manufacturer for XX ALM LMT ERR parameter is modified by i repair chance The measured value of XX parameter has exceeded the Contact the manufacturer for XX RANGE EXCEEDED measuring range of the repair system XX represents the parameter name in the system such as HR ST RR SpO gt NIBP etc Re set up the system time It is When the system displays better to set up the time just after 2000 1 1 the system gives the start up and prior to REAL CLOCK NEEDSET this prompt reminding the monitoring the patient After user that the current system modifying the time the user had time is not right better re start up the monitor to avoid storing error time The system has no cell Install or replace the rechargeable REAL CLOCK NOT EXIST battery or the battery has run Bait attery out of the capacity 7 SYSTEM WD FAILURE The system has serious Re start
10. measurement part Parameter measurement and monitoring are primary functions of the monitor The parameter measurement part of the monitor consists of measurement probe excluded in figure 2 1 parameter input socket assembly NIBP assembly and the parameter part of the main control board Its function is to convert the physiological signals into electronic signals process them and execute calculations according to pre set programs or the commands from the main control part and then to send data of values waveforms and alarms back to the main control part The data will then be displayed via man machine interface 2 1 2 Main control part The main control part of the integrated board is to drive man machine interface manage parameter measurement and provide other specific functions to the user such as configuration storage waveform and data recall etc 2 1 3 Man machine interface The man machine interfaces are LCD display recorder speaker indicator keys and knob The LCD display is the most primary output interface displaying real time or history data and waveforms various patient information and alarm prompts on the screen for the user s observation Recorder is an auxiliary device to the display which could print out various user selected data for use and preservation Speaker gives audio alarm Indicator provides additional information about power supply battery and alarm Keys and knob are user input interface of the syst
11. of MEC 1000 via using the buttons on the front panel MEC 1000 can be connected to the central monitoring system via the Mindray network so as to form a network monitoring system MEC 1000 uses ECG electrodes SpO finger sensor blood pressure cuff and temperature probe to measure the physiological signals including ECG NIBP SpO TEMP and RESP Rate In the process of measurement no energy or substances are extracted from and or delivered to the patient with the exception that sine wave signals are delivered to the patient during measuring RESP Rate MEC 1000 converts the acquired physiological signals into digital signals waveform and numerical values and displays all information on the screen The user can also control the operation of the monitor via using the buttons on the front panel The user can set alarm limits for each parameter In this way once finding a physiological parameter exceed the pre set alarm limits MEC 1000 will activate its visual and audio alarm the numerical display flashes or lights on in order to raise the user s attention 1 1 General During treatment it is highly important to continuously monitor the vital physiological signs of the patient to transmit the important information Therefore patient monitor has always been occupying a very important position in the filed of medical devices The continuous improvement of technologies not only helps us transmit the vital physiological signs to the medical personnel bu
12. room does not comply with NFPA 70 National Electric Code or NFPA 99 Standard for Health Care Facilities Outside the United States the relevant room must comply with all electrical installation regulations mandated by the local and regional bodies of government MEC 1000 Service Manual V1 1 II Return Policy Return Procedure In the event that it becomes necessary to return a unit to Mindray the following procedure should be followed 1 Obtain return authorization Contact the Mindray Service Department and obtain a Customer Service Authorization Mindray number The Mindray number must appear on the outside of the shipping container Return shipments will not be accepted if the Mindray number is not clearly visible Please provide the model number serial number and a brief description of the reason for return 2 Freight policy The customer is responsible for freight charges when equipment is shipped to Mindray for service this includes customs charges Gonpany Cont act Address Mindray Building Keji 12th Road South Hi tech Industrial Park Nanshan Shenzhen 518057 P R China Phone 86 755 2658 2888 Fax 86 755 2658 2680 EC Represent ative Name Shanghai International Holding Corp GmbH Europe Address Eiffestrasse 80 D 20537 Hamburg Germany Phone 49 40 2513174 Fax 49 40 255726 IV MEC 1000 Service Manual V1 1 Preface This service manual gives a detailed description of the MEC 1000 Patient Monito
13. up the system If the SYSTEM SOFTWARE ERR error failure still exists contact the manufacturer 7 4 MEC 1000 Service Manual V1 1 Troubleshooting SYSTEM FAILURE7 SYSTEM FAILURE8 SYSTEM FAILURE9 SYSTEM FAILURE10 SYSTEM FAILURE11 SYSTEM FAILURE12 Check the keys to see whether it is pressed manually or by other KEYBOARD NOT The keys on the keyboard f i object If the key is not pressed AVAILABLE cannot be used abnormally contact the manufacturer for repair KEYBOARD COMM ERR KEBOARD ERROR The keyboard has failure Contact the manufacturer for KEYBOARD ERRI which cannot be used repair KEYBOARD ERR2 SV TOO HIGH SV TOO LOW POWER ERR3 POWER ERR4 If the prompt appears repeatedly 12V TOO HIGH The power part of the i contact the manufacturer for 12V TOO LOW system has failure repair POWER ERR7 POWER ERRS 3 3V TOO HIGH 3 3V TOO LOW Execute Clear Record Task function in the recorder setup During the selftest the RECORDER SELFTEST menu to re connect the host and system fails connecting with i ERR the recorder If the failure still the recorder module f exists contact the manufacturer for repair RECORDER VLT HIGH The recorder module has Contact the manufacturer for RECORDER VLT LOW voltage failure repair After the recorder becomes cool The con
14. 1000 Service Manual V1 1 Tests 601PRO Monitor Under Test Ja Enclosure Conductor S5 Microammeter Note Switches S1 S2 and S5 are variable S3 is opened S4 is closed Figure 5 3 Earth Leakage Current Test 5 3 3 Enclosure Leakage Current Test 5 3 3 1 Connection Plug the supply connector of the Monitor Under Test into the 601PRO front panel outlet turn on the power use the Red Lead to connect the Red Terminal of 601PRO and any accessible conductor of the enclosure of the Monitor Under Test safely connect the AP of the Monitor Under Test and the AP Terminal of 601PRO Test as instructed in the operator s manual of 601PRO Test principle is as shown in figure 5 4 5 3 3 2 Normal polarity or Reversed polarity a Normal condition b Single fault condition Earth open or null line L2 open Test results must comply with a In normal condition the leakage current is less than 100u A b In single fault condition Earth open or null line L2 open the leakage current is less than 500 NA 601PRO Monitor Under Test DN Enclosure ed terminal AP terminals Conductor Note Switches S1 S2 S3 and S5 are variable S4 is closed Figure 5 4 Enclosure Leakage Current Test 5 3 4 Patient Leakage Current Test 5 3 4 1 Connection MEC 1000 Service Manual V1 1 5 5 Tests Plug the supply connector of the Monitor Under Test into the 601PRO front p
15. 79 e ECG Ej sPoz MODULE SETUP gt gt e emm SP MEMORY gt gt m TEMP MB RECORDER Set switch of module vw y orking Blank not working EXIT 8 3 Password 1 user key MINDRAY GEI 2 Factory key 332888 000 FACTORY KEY 3 DEMO key 2088 MINDRAY 332888 CONF LAN CONF IRN STATUS gt gt DO BEOGoo OPQR 5 V Y X Y OU G IODDRDIEI MEC 1000 Service Manual V1 1 8 1 P N MIK1 20 22310
16. CG RESP 2 3 2 2 Schematic Diagram CPU System Pace ECG Signal ECG Signal Detect Input Circuit Process Circuit RAM ROM RESP Signal Process Circuit A D gt Watchdog RESP Signal Input Circuit Carrier Generate Circuit Figure 2 4 Schematic Diagram of ECG RESP Module 2 3 2 3 Introduction to Principle This module uses ECG cables to collect ECG RESP signals process them and transmit them to the main control part through serial port ECG Signal Input Circuit Input protection and filter circuit receives ECG signals from cables removes high frequency MEC 1000 Service Manual V1 1 2 5 Principle interference and prevents the circuit from being damaged by high voltage generated in defibrillation and ESD Right leg drive circuit picks up 50 60Hz common mode signals in lead wire and feeds them back to patient body suppresses the common mode interference in lead wire for the sake of better detecting ECG signals Lead Off detection circuit detects if any ECG lead falls off and transmits relevant message to CPU ECG Signal Process Circuit Differential Amplification circuit first order amplifies ECG signals and suppresses common mode interference at the same time Low pass filter circuit removes high frequency interference outside frequency band of ECG signals PACE signals are ECG pacing signals which greatly affect ECG de
17. Cleaning Agents Use any of the solutions listed below as the cleaning agent Diluted Sodium Hyoichlo Bleaching agent Diluted Formaldehyde 35 37 Hydrogen Peroxide 3 I Alcohol Isopropanol 6 4 Sterilization To avoid extended damage to the equipment sterilization is only recommended when stipulated as necessary in the Hospital Maintenance Schedule Sterilization facilities must be cleaned first Recommended sterilization materials Ethylate and Acetaldehyde Appropriate sterilization materials for ECG lead and blood pressure cuff are introduced in relevant chapters of MEC 1000 operation manual 6 5 Disinfection To avoid extended damage to the equipment disinfection is only recommended when stipulated as necessary in the Hospital Maintenance Schedule Disinfection facilities should be cleaned first Appropriate disinfection materials for ECG lead SpO sensor blood pressure cuff and TEMP probe are introduced in relevant chapters of MEC 1000 operation manual 6 2 MEC 1000 Service Manual V1 1 Troubleshooting Chapter 7 Troubleshooting 7 1 Back display with white or blurring screen 1 Check if TFT connecting wire is well contacted 2 If changing connecting wire cannot solve the problem replace the TFT screen 3 If fault still exists replace the main control board 7 2 Encoder fault 1 If other functions of the keypad run correctly indicator al
18. EC 1000TFTScreenAssembily anvervenennenenenen 4 3 413MEC 1000BracketAssembly EN 4 5 414ParameterSocketAssembly mmm mm m m 4 7 415RearpanelA ssembiy AEN 4 8 42 Se Of Battery resen ais a re reser ee griye e ie gel 4 9 4 3 Part Diet selinin ei na desi E decd enced ses 4 9 Chapter 5 TESS anus ssansvensnensnsntensenssninesdatatdenernee aaan sate azalan KAYNANA Malan Nina kanan sin s 5 1 51 Test eeler gt PE ERSE e Ee e ea 5 1 5 2 NIBP CalibratingMethod MMMMAAMA A A e A gt gt lt gt Zmm gt gt araia a eiere geit aieiaa kaS 5 3 5 3 Safety festsal drin inner Eed iden SES 5 3 Chapter 6 Maintenance and Cleaning anssen nan seer enen enne ennnnenvennnnenreennnnennensnnn 6 1 Chapter 7 Troubleshooting rrrrranvvnennnnnvnennnnnnnnnnnnnnnnnnnnnnnnennnnnnnvnnnnnnnnennnnnnnenennnnnenennnnnn 7 1 Chapter 8 Maintenance menU rmmrssvvrnnnnnvvvnnnnnnnvnnnnnnnvnnnnnnnnenennnnnennnnnnnnnennnnnenennnnnenennnnnn 8 1 MEC 1000 Service Manual V1 1 I General Chapter 1 General MEC 1000 is a flexible portable patient monitor MEC 1000 can monitor physiological signals including ECG RESP Rate NIBP SpO gt and TEMP MEC 1000 can convert these physiological signals into digital signals which can be further processed and used to judge whether to trigger alarm The user can control the operation
19. MEC 1000 Portable Patient Monitor Service Manual Copyright SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD 2003 Version 1 1 Issued date May 20 2005 Series No MEC 1000 Statement SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD hereinafter called Mindray owns all rights to this unpublished work and intends to maintain this work as confidential Mindray may also seek to maintain this work as an unpublished copyright This publication is to be used solely for the purposes of reference operation maintenance or repair of Mindray equipment No part of this can be disseminated for other purposes In the event of inadvertent or deliberate publication Mindray intends to enforce its rights to this work under copyright laws as a published work Those having access to this work may not copy use or disclose the information in this work unless expressly authorized by Mindray to do so All information contained in this publication is believed to be correct Mindray shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing performance or use of this material This publication may refer to information and protected by copyrights or patents and does not convey any license under the patent rights of Mindray nor the rights of others Mindray does not assume any liability arising out of any infringements of patents or other rights of third parties Content of this manu
20. O gt NIBP etc in the system The ECG signal of the Check if the electrodes and lead patient is too small so that ECG WEAK SIGNAL wires are connected correctly and the system can not perform SH i the current situation of the patient ECG analysis The pulse signal of the k f Check the connection of the patient is too small so that ae NO PULSE sensor and the current situation of the system can not perform the patient pulse analysis The respiration signal of the j j Check the connection of the patient is too small so that i RESP APNEA linking wire and the current the system cannot perform situation of the patient RESP analysis i Check the current situation of the Patient suffers from Arr Of ASYSTOLE patient Check the connection of ASYSTOLE f the electrodes and lead wires f Check the current situation of the Patient suffers from Arr of i 6 VFIB VTAC patient Check the connection of VFIB VTAC the electrodes and lead wires Check the current situation of the Patient suffers from Arr Of f BIGEMINY patient Check the connection of BIGEMINY the electrodes and lead wires gt Check the current situation of the Patient suffers from Arr of TRIGEMINY patient Check the connection of TRIGEMINY the electrodes and lead wires Check the current situation of the Patient suffers from Arr of 6 RON T patient Check the connection of R ON T the electrodes and
21. The display for TEMP shall be 37 0 1 C 5 1 5 NIBP Test 5 1 5 1 1 Connect NIBP simulator adult cuff and accessories connect CUFF connector on the module and turn it clockwise to tighten it 1 After the simulator passes self test press ENT to enter ADULT NIBP mode Set the blood pressure to the grade of 255 195 215 mmHg press SHIFT 15 set heart rate to 80BPM Also set MEC 1000 to ADULT mode Press START key the system will give calculating result about 30 seconds later The results shall be respectively 270 8mmHg 210 8mmHg and 23048mmHg 2 Press ESC and keys on the simulator to enter NEONATE mode Set the blood pressure to the grade of 120 80 90 mmHg and heart rate to 120BPM Also set MEC 1000 to PEDIATRIC mode Press START key the system will give calculating result about 30 seconds later The results shall be respectively 12048mmHg 80 8mmHg and 90 8mmHg 3 Press ESC and keys on the simulator to enter NEONATE mode Set the blood pressure to the grade of 60 30 40 select SHIFT to be 20 set heart rate to 120BPM Use neonate cuff to replace simulator accessory Press START key the system will give calculating result about 30 seconds later The results shall be respectively 40 8mmHg 10 8mmHg and 2048mmHg 6 SpO2 Test Set HR FROM of MEC 1000 to PLETH Put finger into SpO2 sensor The system shall display pulse rate and SpO2 value correctly The SpO2 measured
22. al is subject to changes without prior notice PROPERTY OF SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD 2003 ALL RIGHTS RESERVED Responsibility on the manufacturer party Mindray is responsible for safety reliability and performance of this equipment only in the condition that e all installation expansion change modification and repair of this equipment are conducted by Mindray qualified personnel and e applied electrical appliance is in compliance with relevant National Standards and MEC 1000 Service Manual V1 1 I e the monitor is operated under strict observance of this manual Note This equipment is not intended for family usage A Warning A This monitor is not a device for treatment purpose It is important for the hospital or organization that employs this equipment to carry out a reasonable maintenance schedule Neglect of this may result in machine breakdown or injury of human health Upon request Mindray may provide with compensation necessary circuit diagrams calibration illustration list and other information to help qualified technician to maintain and repair some parts which Mindray may define as user serviceable Il MEC 1000 Service Manual V1 1 Warranty V rknanshi p amp Mteri al s Mindray guarantees new equipment other than accessories to be free from defects in workmanship and materials for a period of one year six months for multi site probes and SpO2 sensor from da
23. anel outlet turn on the power safely connect the AP of the Monitor Under Test to the AP Terminal of 601PRO test as instructed in the Operator s Manual of 601PRO Test principle is as shown in figure 5 5 5 3 4 2 Normal polarity or reversed polarity a Normal condition b Single fault condition Earth open or null line L2 open Test results must comply with a In normal condition the leakage current or DC leakage current is less than 10u A b In single fault condition Earth open or null line L2 open the leakage current or DC leakage current is less than 50p A 601PRO Monitor Under Test L1 H H MAINS L2 Earth AP terminals Enclosure Conductor ke icroammeter Note Switches S1 S2 S3 and S5 are variable S4 is closed Figure 5 5 Patient Leakage Current Test 5 6 MEC 1000 Service Manual V1 1 Maintenance and Cleaning Chapter 6 Maintenance and Cleaning 6 1 System Checks 6 1 1 Checks Before Using MEC 1000 1 Check if there is any mechanical damage 2 Check if all the outer cables inserted modules and accessories are in good condition 3 Check if all the monitoring functions of the monitor can work normally so as to make sure that the monitor is in good condition If you find any damage on the monitor stop using the monitor on patient and contact the biomedical engineer of the hospital or Mindray Customer Service Department immediately 6 1 2
24. arm light and key go to the second step otherwise replace the keypad 2 Check if the bonding pad of the encoder is short circuit connected or abnormal open circuit 3 Replace the encoder 7 3 No alarm sound 1 Check if the sound is switched off in the software setups 2 Replace the speaker 3 Replace the keypad 7 4 Can not print 1 Check if the software has alarm related to recorder if yes remove the corresponding alarm 2 Check if the indicator of the recorder is lighted on 3 If not check the connecting wire of signal input of the recorder 4 Check if the recorder module is set to ON in the MAINTAIN menu 5 Check the connecting wire of the power input of the recorder including power board of the recorder 6 Replace the recorder 7 5 Abnormal paper feeding 1 Check if foreign objects are attached to the paper bail of the recorder 2 Check if foreign objects are attached to the gears of the thermal head of the recorder 3 Check if the power voltage of the recorder is gt 7 8V MEC 1000 Service Manual V1 1 7 1 Troubleshooting System Alarm Prompt PROMPT CAUSE MEASURE P e XX value exceeds the higher XX TOO HIGH fee Check if the alarm limits are alarm limit i appropriate and the current XX value is below the lower i XX TOO LOW WW situation of the patient alarm limit XX represents the value of parameter such as HR ST RR Sp
25. asurement per five minutes a battery with full capacity can power the monitor continuously for 50 minutes Five minutes before the battery runs out of its capacity the monitor will give audio and visual prompt 4 To extend the lifespan o the battery it is recommended to use it at least once monthly Besides the battery shall be charged after its capacity is completely exhausted 4 3 Part list Part List of MEC 1000 Material No Name 0010 20 11954 SPO2 plug 0010 20 11950 ECG plug 1000 21 00122 Grounding wire of machine enclosure 8000 20 10221 Plug of grounding cable 509B 10 05996 3 core power cord plug LK C02 509B 30 06259 External NIBP hose CE 509B 30 08845 Finished adult cuff OEM CE 630C 20 08481 512A 30 90106 Adult NIBP cuff CM1203 1 Finger SpO2 sensor OEM 8000 21 10141 Power cord of DC DC converter 8000 21 10276 Connecting wire of TR60C recorder of main control board TR6C 30 16654 TR60 C recorder 5000 20 14633 Upper shielding cover of main board 5000 20 14634 Lower shielding cover of main board 5000 30 14630 Integrated parameter main control board 9200 30 14083 Main bracket 9000 20 05185 Battery Door 9200 30 10489 Power board 8100 30 14117 NIBP pump assembly 8100 30 14119 Backlight board assembly 9303 30 21803 Parameter socket assembly MEC 1000 Service Manual
26. be 1 6 9200 20 10510 Front Board of the probe Socket 1 7 9303 20 21800 Panel of the parameter Socket 1 8 9303 20 21813 SPO2 SIGNAL CABLE 1 9 509B 10 06191 Connector 20SFTS 04MxN 1 10 9200 20 05205 Fixing board for the NIBP Module 1 11 M04 011002 M3 Nut 2 12 9200 20 10491 Back board of the probe socket 1 13 9303 21 21812 ECG signal Cable 1 SN Standard Code Name amp SPEC QTY Material Remarks 4 1 5 Rear Panel Assembly Figure 4 5 Rear panel assembly MEC 1000 Service Manual V1 1 4 7 Structure and Part List 1 M04 000305 Screw M3x12 2 2 M04 000802 Washer GB97 23 2 3 LMB9 20 09836 Cover board 1 4 9300 20 13822 HandleB 1 5 900E 20 04855 Rear panel 1 6 9200 20 10622 Install board 1 7 M04 003105 Screw GB845 85 M3x6 8 8 9200 30 10522 FAN assembly 1 9 9200 20 10620 Press panel of Speaker 1 10 9200 21 10633 2 25 Speaker with Cable 1 11 9200 20 10511 Rubber foot 1 1 SN Standard Code Name amp SPEC OTY Material Remarks 4 2 Use of Battery 4 2 1 Assembly disassembly Figure 4 6 Assembly disassembly of battery 4 8 MEC 1000 Service Manual V1 1 Structure and Part List 4 2 2 Precautions 1 Battery specification Lead Acid 12V rechargeable battery 2 Charging time 6 hours 3 Discharging time if the monitor works to measure ECG RESP TEMP SPO2 and NIBP parameters and NIBP is in the mode of one me
27. ct influence on HR calculation and judgment of Weak ECG Signal Verification of measuring range and accuracy ECG signal amplitude of simulator is 1mV Heart rate is respectively 60 120 200 Respectively connect lead I Il and III the results shall satisfy 59 61 119 121 198 202 PACE pulse test set the simulator to PACE mode change PACE amplitude to 8 700mv and pulse width to 0 1ms 2ms the system shall distinguish PACE signal and display LEAD OFF prompt correctly RESP measurement set the baseline impedance to 1K and RESP resistance respectively to 0 50 and 30 RESP Rate respectively to 30 and 120 the system shall measure the RESP Rate to be 29 31 and 118 1 122 PVE test set the simulator to PVC mode and set the appearing times as well the system shall detect the corresponding PVCS On the simulator set RESP Rate to 40 base impedance to 2KO and RESP wave to 3 1 set APNEA alarm to ON and adjust RESP resistance to 00 the system shall give different alarms corresponding to different APNEA time MEC 1000 Service Manual V1 1 5 1 Tests 5 1 4 TEMP Test YSI probe Select YSI TEMP probe in the factory menu select YSI TEMP probe in the fixture of TEMP test simulate resistance of 1 355K The display for TEMP shall be 37 0 1 C CY F1 probe Select CY F1 TEMP probe in the factory menu select CF Y1 TEMP probe in the fixture of TEMP test simulate resistance of 6 018K
28. curacy 5 Measure and Alarm 2 0 2 0 mV ARR Detecting Type Alarm Review 3 2 9 RESPARATION RESP Method ASYSTOLE VEIB VTAC COUPLET BIGEMINY TRIGEMINY R ON T VT gt 2 PVC TACHY BRADY MISSED BEATS PNP PNC Available Available Impedance between R F RA LL Measuring Impedance Range 0 3 5 00 MEC 1000 Service Manual V1 1 3 3 Base line Impedance Range 200 15000 Bandwidth Resp Rate 0 3 2 5 Hz Measuring and Alarm Range Adult Neo Ped Resolution Accuracy Apean Alarm 3 2 10 NIBP Method Mode Measuring and alarm range Adult Mode SYS DIA MEAN Pediatric Mode SYS DIA MEAN Neonatal Mode SYS DIA MEAN Resolution Pressure Static pressure accuracy Accuracy Pressure Maximum Mean error Maximum Standard deviation Overpressure Protection Adult Mode Pediatric Mode Neonatal Mode 3 4 MEC 1000 Service Manual V1 1 0 120 BrPM 0 150 BrPM 1 BrPM 0 6 BrPM Unspecified 7 150 BrPM 2 BrPM or 2 whichever is greater 10 40s Oscillometric MANUAL AUTO CONTINUOUS Measuring Interval in AUTO Mode 1 2 3 4 5 10 15 30 60 90 120 180 240 480Min Measuring Period in CONTINUOUS Mode 5 Min 40 270 mmHg 10 215 mmHg 20 235 mmHg 40 200 mmHg 10 150 mmHg 20 165 mmHg 40 135 mmHg 10 100 mmHg 20 110 mmHg ImmHg 3mmHg 5mmHg 8mmHg 29743 mmHg 240 3 mmHg 14743 mmHg 3 2 11 SpO Measuring Range
29. e NIBP module can process these signals and give measuring result Valve Drive Circuit Control OPEN CLOSE of the valve This circuit together with Motor Drive Circuit finishes the action of inflating and deflating cuff Motor Drive Circuit Control the action of air pump This circuit together with Valve Drive Circuit finishes the action of inflating and deflating cuff Moreover it supplies motor status signal to A D converter for detection NIBP Signal Process Circuit NIBP signals are differential signals Differential Amplify circuit amplifies the differential signals and converts them into single ended signals and at the same time sends the signal of one way to A D converter and the signal of the other way to the Blocking and AMP circuit Blocking and AMP circuit removes the DC components in the signals amplifies the signals and then sends them into A D converter Over Pressure Detect Detect NIBP pressure signals Once the pressure exceeds the protection limit it sends the message to CPU System which will accordingly control the Valve Drive Circuit to open the MEC 1000 Service Manual V1 1 2 9 Principle valve to deflate the cuff so as to reduce the pressure A D and CPU System Description in frame of dashed lines Refer to the 2 3 1 2 4 Power Board 2 4 1 General This module provides DC supplies to other boards 2 4 2 Schematic Diagram AC gt gt DM Power Supply 5V DC DC
30. ealizes the data communication between CPU and Ethernet 2 3 Parameter Part 2 3 1 Introduction to Principle The parameter part collects amplifies and filters the signals of the said five physiological parameters executes A D over the signals and processes the result signals Figure 2 3 shows the structure of this part EG RESP Si gnal Input Process TEM Signal System Si I nput Process A D m SO Si gnal isolate E gen NEP S gnal I nput Process gt Figure 2 3 Schematic Diagram of Parameter Part A D and CPU in parameter part are shared for processing signals of the said five parameters i e ECG RESP TEMP NIBP and SPO2 A D Convert analog signals output from parameter circuit into digital signals and send them 2 4 MEC 1000 Service Manual V1 1 Principle into CPU part to receive further processing CPU System Realize logic control over all parameter parts and A D part Process data of each parameter Communicate with main board Power amp Signal isolate Circuit Realize isolation from external circuit in order to ensure human safety Provide power supplies for circuits Realize isolating communication between CPU System and main board Watchdog Upon power on supply Reset signal to CPU Provide functions of Watchdog Timer Output and voltage detection 2 3 2 ECG RESP Module 2 3 2 1 General This module is designed to measure two parameters including E
31. ed screw with washer 2 M3x12 SN Standard Code Name amp SPEC QTY Material Remarks 4 1 2 MEC 1000 TFT Screen Assembly 4 2 MEC 1000 Service Manual V1 1 Structure and Part List Figure 4 2 1 MEC 1000 LG TFT screen assembly M04 051137 Cross phoned screw GB 818 85 1 with washer M2x4 j 2 9300 20 13911 TFT support bar LP104S5 LG 2 3 0010 10 12362 10 4 LG TFT screen l LY12 4 9300 20 13911 TFT support bar LP104S5 LG 1 T 15 5 M04 004012 Hexagon Nut M3x6 S 6 9300 20 13901 Isolation panel 7 0010 10 12096 NVERTOR TAMURA 1 8 M04 002405 Isolation Washer 2 SN Standard Code QTY Material Remarks Name amp Specification Figure 4 2 2 MEC 1000 Au TFT screen assembly M04 000805 Cross phoned screw with 1 washer M2x8 10 2 M04 000102 Hexagon Nut M3x6 S 0010 10 12357 10 4 AU TFT screen 1 4 9300 20 13972 pole M2 x14 4 MEC 1000 Service Manual V1 1 4 3 Structure and Part List LY12 5 9300 20 13766 Support of TFT screen 1 T 15 6 0010 10 12096 INVERTOR TAMURA 1 7 9300 20 13901 Isolation panel 1 8 M90 000002 01 Isolation Washer 2 SN Standard Code Name amp Specification QTY Material Remarks 4 1 3 MEC 1000 Bracket Assembly p 4 4 MEC 1000 Service Manual V1 1
32. em by using which the user could input information and instructions into the monitor 2 1 4 Power supply Power supply is an important part of the system consisting of power board backlight board battery and fan The main power board converts the AC mains input into 5V and 12V DC to energize other parts of the system Similarly LCD display requires particular supply for which case a backlight board is supplied The battery could maintain the formal function of the system for a short period when AC mains is disconnected A small fan requiring DC input is used to realize superior ventilation 2 1 5 Other auxiliary part Network port is available on MEC 1000 which allows the service engineer to upgrade the system software without necessarily opening the enclosure of the monitor And can be 2 2 MEC 1000 Service Manual V1 1 Principle connected to the Minday Center manage System 2 2 Main Control Part 2 2 1 Functions of main control part As the core part of the whole system it finishes the following functions 1 control management and scheduling of parameter measurement part recorder and keyboard 2 display drive of TFT screen STN screen and CRT screen 3 3 way expansion serial port realized by FPGA 4 alarm given for system fault 5 storage of RTC hardware WatchDog and relevant parameters 2 2 2 Schematic Diagram UART lt I interface RTC gt CPU Sys
33. epair Check the connection of each part or replace with a new cuff If the PNEUMATIC LEAK NIBP airway has leaks i failure still exists contact the manufacturer for repair Problem happens when Check the connection of each part MEASURE FAIL measuring the curve The and the patient situation Measure MEC 1000 Service Manual V1 1 7 7 Troubleshooting measuring the curve The system cannot perform again if the failure still exists measurement analysis or contact the manufacturer for calculation repair Problem happens when Check the connection of each part and the patient situation Measure NIBP SYSTEM FAILURE system cannot perform again if the failure still exists measurement analysis or contact the manufacturer for calculation repair 7 8 MEC 1000 Service Manual V1 1 Maintenance Menu CHAPTER 8 Maintenance Menu MAINTENANCE MENU KE 8 1 User Maintain menu ES 8 1 1 Language Select dei deen Enter USER MAINTAIN menu then select the right Language from dialog box 8 1 2 Open Close alarm sound Enter USER MAINTAIN menu select ON in alarm sound dialog box to open alarm sound Select OFF in alarm sound dialog box to close alarm sound 8 1 3 Select TEMP probe type Enter FATORY MAINTAIN menu then select the right type between CY F1 type and YSI type 8 2 Factory Maintain FACTORY MAINTAIN MODULE SETUP VGA SIZE SCREEN
34. esting Lead accessory of 601PRO to connect the Green Terminal and any accessible conductor Test principle is as shown in figure 5 2 Testing results must comply with a The resistance between the Earth Terminal of the power supply cord of the Monitor Under Test and the Protective Earth or any accessible conductor of the enclosure must be less than 0 20 b The resistance between the Protective Earth of the Monitor Under Test and any accessible conductor of the enclosure must be less than 0 10 601PRO Monitor Under Test L1 TAN MAINS S4 L2 N 3 Eartho Green Terminal Red terminal Current Source Ohmmeter Protective Earth En losure Conductor 25A 50 60Hz Note switches S1 and S2 are not used S3 and S4 are opened Figure 5 2 Protective Earth Resistance Test 5 3 2 Earth Leakage Current Test 5 3 2 1 Connection Plug the supply connector of the Monitor Under Test into the 601PRO front panel outlet turn on the power safely connect the AP of the Monitor Under Test to the AP Terminal of 601PRO Test as instructed in the Operator s Manual of 601PRO Test principle is as shown in figure 5 3 5 3 2 2 Normal polarity or Reversed polarity a Earth open b Earth open and null line L2 open Test results must comply with a Earth open the leakage current is less than 500u A b Earth open and null line L2 open leakage current is less than 1000p A 5 4 MEC
35. ge over C12 is about 1 3 1 4 time of AC input voltage voltage over C15 is 17 6V Voltage over C24 is 13 8V when battery is disconnected Voltage over C47 is 5V applied to power U7 U8 and U9 Voltages of pin8 of U1 pin8 of U10 and pin11 of U11 to the ground are all 5V Voltage of pin2 of U10 to the ground is 2 5V On the oscillograph we can observe that voltage waves of pin4 of U11 and pin4 of U10 to the ground are standard toothed waves of 120kHz oscillating frequency Voltage waves of pin1 of Q1 and pini of Q5 when output is connected with rated load are square waves of about 120kHz frequency Voltage wave of D16 is a square one of about 280kHz frequency 2 5 Keyboard 2 5 1 General This module acts as the man machine interface 2 5 2 Schematic Diagram LED lt Audio Process Circuit Watchdog Figure 2 9 Schematic Diagram of Keyboard Speaker MEC 1000 Service Manual V1 1 2 11 Principle 2 5 3 Introduction to Principle This module detects key and encoder input signals converts them into codes and sends to the main board The main board sends command to the keyboard and the latter accordingly control indicator and audio process circuit to act so as to realize audio and visual alarm CPU Detect key and encoder input signals Control LED status Control Audio Process Circuit Regularly zero Watchdog Timer Communicate with main board Audio Process Circuit Generate audio signals to drive the spea
36. happens when Check the connection of each part measuring the curve The or replace with a new cuff If the RANGE EXCEEDED system cannot perform P failure still exists contact the measurement analysis or i manufacturer for repair calculation Check the connection of each part and the patient situation Measure EXCESSIVE MOTION The patient arm moves again if the failure still exists contact the manufacturer for repair Check for the smoothness in the Bra airway and patient situation Perhaps folds exist in the OVER PRESSURE Measure again if the failure still airway f exists contact the manufacturer for repair Problem happens when Check the connection of each part measuring the curve The and the patient situation Measure SIGNAL SATURATED system cannot perform again if the failure still exists measurement analysis or contact the manufacturer for calculation repair Problem happens when Check the connection of each part measuring the curve The and the patient situation Measure NIBP TIME OUT system cannot perform again if the failure still exists measurement analysis or contact the manufacturer for calculation repair Check if the patient type is set up correctly Check the connection of Perhaps the used cuff does each part or replace with a new CUFF TYPE ERR i not fit the setup patient type cuff If the failure still exists contact the manufacturer for r
37. hock degree Harmful liquid proof degree Working system 3 2 Specifications 3 2 1 Size and Weight Class I equipment with internal power supply Class A ECG RESP SpO gt NIBP TEMP CF Ordinary equipment sealed equipment without liquid proof Continuous running equipment Size 318 x 152 x 264 mm Weight 4 kg 3 2 2 Environment Temperature Working 0 40 C Transport and Storage 20 60 C Humidity Working 15 95 Transport and Storage 10 95 noncondensing Altitude Working 500 4 600m Transport and Storage 500 13 100m Power Supply 100 250 VAC 50 60 Hz Pmax 110 VA FUSE T1 6A 3 2 3 Battery Rechargeable Lead Acid 2 3Ah 12V Operating time under the normal condition 100 minutes 2 batteries Operating time after the first alarm of low battery 5 15 minutes Maximum charging time of single battery is 4 hours Maximum charging time of two batteries is 8 hours MEC 1000 Service Manual V1 1 3 1 Product Specification 3 2 4 Display Screen 10 4 Color TFT 800 x 600 Resolution Messages 4 Waveforms Maximum 1 Alarm LED Yellow Red 1 Power LED Green 1 Charge LED Green 3 Sound Modes corresponding to Alarm Modes 3 2 5 Signal Interface Do not have this function 3 2 6 Recorder Record Width Paper Speed Trace Recording types 3 2 7 Recall Trend Recall Short Long Alarm Event Recall 48 mm 25 50 mm S 2 Continuous real time recording 8
38. ker to give sound Watchdog Upon power up supply Reset signal to CPU Provide functions of Waterdog Timer Output and voltage detection 2 6 Recorder Module 2 6 1 General This module is designed to drive line thermal printer 2 6 2 Schematic Diagram Printer Status Detect Circuit CPU System RAM ROM Line Thermal Main Printer lt Watchdog board Logic Control Step Motor Drive Circuit Figure 2 10 Schematic Diagram of Recorder Module 2 6 3 Introduction to Principle This module receives printing data from the main board At the same time of converting the data into dot matrix data and sending them to the printer it also drives the printer to start printing action Step Motor Drive Circuit 2 12 MEC 1000 Service Manual V1 1 Principle A step motor is used in the printer to feed paper This circuit is designed to drive the step motor to act Printer Status Detect Circuit Detect the status of the printer including the position of paper platen if there is paper and temperature of thermal head and send the information to CPU System CPU System Process printing data Control printer and step motor Collect printer status information and realize corresponding control Communicate with main board MEC 1000 Service Manual V1 1 2 13 Product Specification Chapter 3 Product Specification 3 1 Classification Anti electroshock type EMC type Anti electros
39. lead wires Check the current situation of the Patient suffers from Arr of l d PVC PVC patient Check the connection of the electrodes and lead wires Check the current situation of the Patient suffers from Arr of i i COUPLET patient Check the connection of COUPLET i the electrodes and lead wires TACHY Patient suffers from TACHY Check the current situation of the 7 2 MEC 1000 Service Manual V1 1 Troubleshooting patient Check the connection of the electrodes and lead wires Check the current situation of the Patient suffers from k BRADY patient Check the connection of BRADY the electrodes and lead wires F Check the current situation of the Patient suffers from Arr of VT gt 2 VT gt 2 patient Check the connection of gt 2 the electrodes and lead wires i Check the current situation of the Patient suffers from Arr of 8 MISSED BEATS patient Check the connection of MISSED BEATS the electrodes and lead wires Check the connection of the pacemaker PNP The pacemaker is not paced Check the connection of electrodes and lead wires Check the current situation of the patient Check the connection of the pacemaker No pacemaker signal is PNC Check the connection of captured electrodes and lead wires Check the current situation of the patient ECG lead is not connected Check the connection of ECG lead ECG LEAD OFF correctly wire
40. lly The running of the function shall have no obvious error Each function complies with corresponding requirement 5 2 NIBP Calibrating Method MEC 1000 Reference Manometer NIBP hose SE Ball pump Metal vessel Figure 5 1 Method to calibrate NIBP static pressure Method increase pressure gradually in the increment of 50mmHg 6 kPa The maximum error between any pressure point in the NIBP measurement range of monitor and the value of pressure calibrator shall not exceed 3mmHg 0 4kPa Then decrease pressure gradually The maximum error between any pressure point in the NIBP measurement range of monitor and the value of pressure calibrator shall not exceed 3mmHg 0 4kPa 5 3 Safety tests Testing device BIO TEK 601PRO safety analyzer Applied standard IEC60601 1 Inspection items and methods 5 3 1 Protective Earth Resistance Test MEC 1000 Service Manual V1 1 5 3 Tests 5 3 1 1 Connection Plug the supply connector of the Monitor Under Test into the 601PRO front panel outlet Performing the test as instructed in the Operator s Manual of 601PRO Set testing current to 25A Test of item a use the Red Testing Lead accessory of 601PRO to connect the Red Terminal of 601PRO and Protective Earth Terminal or an accessible metal part of the Monitor Under Test Test of item b use the Red Testing Lead to connect the Red Terminal and the Protective Earth Terminal of the Monitor Under Test use the Black T
41. n error NIBP SELFTEST ERR exists contact the manufacturer for repair Check the airway of NIBP to see if there are clogs Then measure During NIBP measurement MG 7 i NIBP ILLEGALLY RESET again if the failure still exists illegal reset occurs contact the manufacturer for repair Execute the reset program in the The NIBP communication NIBP menu If the failure still NIBP COMM ERR part has problem exists contact the manufacturer for repair The NIBP cuff is not LOOSE CUFF Re connect the NIBP cuff connected correctly i Check the connection of each part The NIBP cuff is not i or replace with a new cuff If the AIR LEAK connected correctly or there are leaks in the airway failure still exists contact the manufacturer for repair Problem happens when AIR PRESSURE ERROR measuring the curve The system cannot perform Check the connection of each part or replace with a new cuff If the failure still exists contact the 7 6 MEC 1000 Service Manual V1 1 Troubleshooting measurement analysis or calculation manufacturer for repair Problem happens when measuring the curve The Check if the setup of patient type is correct Check the connection of WEAK SIGNAL system cannot perform each part or replace with a new measurement analysis or cuff If the failure still exists calculation contact the manufacturer for repair Problem
42. r including circuit descriptions test procedures and a spare part listing This manual is intended as a guide for technically qualified personnel during repair testing or calibration procedures Following symbols indicates some important facts that you have to pay special attention to Warning Points to be noted to avoid injury to the patient and the operator A Caution A Points to be noted to avoid damage to the equipment A Note A Points to be noted MEC 1000 Service Manual V1 1 Contents Contents Chapter 1 General rrursanennnnnnnvnnnnnnnnnennnnnneennnnnnvnnnnnnnnnennnnnnnennnnnnnvnennnnnnnevnnnnnevnnnnnnnnennunnne 1 1 Chapter 2 Principle mmmrasevnnnnnnvnnnnnnnvnennnnnnnennnnnnnennnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnennnnnnnennnnnnnvennnnnnn 2 1 2i1 MEG 100O PANGIPIE rset serkan anlaml eege AEN Eege peer ela 2 1 E ue eidelen EE 2 3 2 3 Parameter P rt ar kik gard aten dee ea AS ri la ended 2 4 2 4 Power Board iii is etablere d ra derme T E AT 2 9 2 5 te EEN 2 11 Re EAR Chapter 3 Product specification nn anan enen enne neen ennn ener ennnnnrevennnnensennnnenveennnnennensnnn 3 1 Ree Le E 3 1 3 2 Specification nit eserin ll desa dairemi e mesi emi de EEN ele Semi lanen 3 1 Chapter 4 I Structure and Part List nneveernrnnnnvrnnnnnnvennnnnnnenennnnnvnnnnnnnvnennnnnnnennnnnnnvnnnnnnen 4 1 4 1MEC 1000 Explosive view un 4 1 411MEC 1000ExplosivevieW 4 1 41 2M
43. rcuit Preamplifier circuit converts photocurrent signals into voltage signals and additionally first order amplifies them Gain adjustment and amplification circuit amplifies the signals and adjusts their gain Bias circuit adjusts the dynamic range of the signals and then sends them into A D converter D A Convert digital signals output from CPU into analog signals supply control signals to Led Drive Circuit and SPO2 Signal Process Circuit A D and CPU System Description in frame of dashed lines Refer to the 2 3 1 2 3 5 NIBP Module 2 3 5 1 General This module is designed to measure NIBP 2 8 MEC 1000 Service Manual V1 1 Principle 2 3 5 2 Schematic Diagram Kee an ae Valve Drive RE Windpipe Ar Motor Drive Ga Pump Circuit CPU System NIBP Signal RAM ROM Process Circuit Watchdog Logic Control Cuff Over Pressure Detect J Figure 2 7 Schematic Diagram of NIBP Module 2 3 5 3 Introduction to Principle Oscillometric method is adopted to measure NIBP Inflate the cuff wrapped around the upper arm until the pressure makes the blood in the artery of the upper arm stops flowing Then deflate the cuff according to the requirement of the algorithm Blood flow in the artery resumes as the cuff pressure decrease which will cause corresponding pulsation in the cuff The pressure sensor connecting the inflating hose of the cuff will accordingly generate pulsating signals Th
44. result of normal human body shall be above 97 7 Recorder Printing Test Print ECG wave the recorder shall print normally The output shall be clear consistent Create faults like NO PAPER the system shall give corresponding alarm prompt The recorder shall work normally after the fault is removed 2 Execute alarm printing of every parameter Set Alarm Record switch of every parameter to ON set up different alarm limits The system shall execute parameter alarm printing operation once there is parameter alarm 5 2 MEC 1000 Service Manual V1 1 Tests 5 1 8 Power Supply Management Connect external AC source the CHARGE indicator on the front panel shall light on Disconnect the AC source the CHARGE indicator shall light off After the monitor is turned on but device for testing battery is not installed x symbol shall appear on the box indicating the battery capacity Whether the battery is installed or not does not affect the normal function of the monitor The system will give corresponding alarm once the battery capacity is about to be used up 51 9 Clock Check When inspecting the whole monitor check if the clock goes correctly Then set the clock to the current time 5 1 10 Set Up the DEFAULT Value When Start Loading Software Execute the operations indicated in the SYSTEM MENU such as patient information management history recall and system setup The system shall respond correctly and norma
45. second real time recording Auto 8 second recording Parameter alarm recording Waveform freeze recording Trend graph table recording ARR events review recording Alarm event review recording NIBP review recording Drug Calculation and titration table recording Monitor information recording 1 hour 1 or 5 second Resolution 72 hours I minute Resolution 60 alarm events of all parameters and 8 16 32seconds of corresponding waveform NIBP Measurement Recall 400 NIBP measurement data Power off Storage 3 2 MEC 1000 Service Manual V1 1 Product Specification 72 hours of trend data 400 N BP neasurenent data 60 al armevents and 60 Arr Events 3 2 8 ECG Lead Mode Lead selection Waveform Gain HR and Alarm Range Adult Neo Ped Accuracy Resolution Sensitivity Differential Input Impedance CMRR Electrode offset potential Leakage Current Defibrillation Recovery Time ECG Signal Range Frequency Response Bandwidth Surgery Monitor Diagnostic Calibration Signal ST Segment Monitoring Range 3 Leads R L F or RA LA LL I IL M 1 channel x0 25mm mV x0 5mm mV xlmm mV x2mm mV AUTO 15 300 bpm 15 350 bpm 1 or Ibpm use the greater 1 bpm gt 200uV Vp p gt 5 MQ gt 105 dB gt 105 dB gt 90 dB Monitor Surgery Diagnostic 300mV lt 10uA lt 3s After Defibrillation in Monitor or Surgery mode SmV Vp p 1 15 Hz 0 5 35 Hz 0 05 100 Hz ImV Vp p Ac
46. t also simplifies the measurement and as a result raise the monitoring efficiency For inpatients we need to measure those vital cardiac and pulmonary signs such as ECG SpO blood pressure and TEMP etc In recent years the technological improvement pertaining to measurement and information transmission has led to more comprehensive performance and stable quality of the patient monitoring products In the past the dominant products manufactured by medical device manufacturers are mainly those for single parameter measurement Nowadays however multi parameter patient monitors are more widely and commonly used 1 2 Intended Use MEC 1000 patient monitor can measure physiological signals including ECG RESP NIBP SpO and TEMP It can convert these physiological signals into digital signals and further display them on the screen The alarm limits can be user defined Once finding a parameter reach or exceed its pre set alarm limits MEC 1000 can automatically activate the corresponding alarm In addition the user can operate the monitor by using the buttons on the front panel In addition to outpatient department monitors are generally used in some clinical areas such as ICU CCU operation room and emergency room because the monitor can provide many other physiological parameters of the patient to medical personnel Only MEC 1000 Service Manual V1 1 1 1 General the qualified medical personnel shall use MEC 1000 patient monitor 1 3
47. te of shipment under normal use and service Mindray s obligation under this warranty is limited to repairing at Mindray s option any part which upon Mindray s examination proves defective THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANT ABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE Fxenpt i ons Mindray s obligation or liability under this warranty does not include any transportation or other charges or liability for direct indirect or consequential damages or delay resulting from the improper use or application of the product or the substitution upon it of parts or accessories not approved by Mindray or repaired by anyone other than a Mindray authorized representative This warranty shall not extend to any instrument which has been subjected to misuse negligence or accident any instrument from which Mindray s original serial number tag or product identification markings have been altered or removed or any product of any other manufacturer Safety Reliability and Perfornance Mindray is not responsible for the effects on safety reliability and performance of the MEC 1000 Patient Monitor if M assembly operations extensions re adjusts modifications or repairs are carried out by persons other than those authorized by Mindray B the MEC 1000 Patient Monitor is not used in accordance with the instructions for use or the electrical installation of the relevant
48. tecting performance Therefore PACE suppression circuit is designed to suppress PACE signals in order to better detect ECG signals Master AMP Filter circuit amplifies and filters ECG signals again and transmits them furthermore into A D converter Pace Detect Pick PACE signals out of ECG signals and transmit them to CPU Carrier Generate Circuit RESP measurement is based on Impedance method Respiration causes the changes of thoracic impedances which feature is taken advantage to modulate the amplitude of high frequency carrier The modulated signals are then sent into the measuring circuit This circuit is designed to generate high frequency carrier RESP Signal Input Circuit Couples the RESP signals into the detection circuit RESP Signal Process Circuit Preamplifier circuit amplifies and filters RESP signals Detection circuit picks out the RESP wave modulated in excitation signals Level translation circuit removes DC components in RESP signals Master AMP Filter circuit amplifies and filters RESP signals again and transmits them furthermore into A D converter A D and CPU System Description in frame of dashed lines Refer to the 2 3 1 2 6 MEC 1000 Service Manual V1 1 Principle 2 3 3 TEMP Module 2 3 3 1 General This module uses sensors to collect TEMP signals process them and transmit them to the main control part through serial port 2 3 3 2 Schematic Diagram raa fo BEKAERT b
49. tem RAM ROM adj FPGA Display gt interface Watchdog gt VRAM Figure 2 2 Schematic Diagram of Main Control Part 2 2 3 Introduction to Principle The main control Module being the center part of the system has serial ports to various modules TFT display interface CRT display interface The BDM interface is reserved on the board for debugging or downloading software 2 2 3 1 CPU System CPU is the core element on the main control Module It connects peripheral modules through BUS and I Os in order to finish data communication data processing and logic control etc MEC 1000 Service Manual V1 1 2 3 Principle 2 2 3 2 RTC RTC real time clock provides time hour minute second and date year month day information RTC information can be changed by CPU 2 2 3 3 FPGA and VRAM VRAM is used to save display data CPU sends display data to VRAM via FPGA The data in VRAM is a map of the real display device FPGA has various extended serial ports which communicate with external Parameter Parts CPU writes acquired data to FPGA and FPGA sends it to external Parameter Parts 2 2 3 4 Watchdog Upon power up Watchdog supplies Reset signals to CPU FPGA and Ethernet Controller Provide functions of Waterdog Timer Output and voltage supervise Add Ethernet Controller Ethernet Controller complies with IEEE802 3 IEEE802 3u LAN standard supports 10Mbps and 100Mbps data rates and r
50. tinuous recording use the recorder for output again RECORDER HEAD HOT k time may be too long If the failure still exists contact the manufacturer for repair Press down the recorder handle for REC HEAD IN WRONG The handle for pressing the i pressing the paper POSITION paper is not pressed down MEC 1000 Service Manual V1 1 Troubleshooting RECORDER OUT OF No paper is in the recorder Place the paper into the recorder PAPER The paper in the recorder is Place the recorder correctly and RECORDER PAPER JAM jammed try again In the recorder setup menu RECORDER COMM ERR The communication of the recorder is abnormal RECORDER S COMM ERR execute the function of clearing record task The function can make the host and the recorder connect again If the failure still exists contact the manufacturer for repair The paper roll of the RECORDER PAPER W P recorder is not placed in the correction position Place the paper roll in the correct position Cannot communicate with In the recorder setup menu execute the function of clearing record task The function can REC NOT AVAILABLE make the host and the recorder the recorder i connect again If the failure still exists contact the manufacturer for repair NIBP INIT ERR Execute the reset program in the beh NIBP menu If the failure still NIBP initializatio
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