Fukuda Denshi DS-7001 Service Manual Download Page 137

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Circuit Explanation

The circuit function of this equipment is explained.

Chapter 9

Basic Composition

9-2

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Basic Composition and Wiring Diagram

9-2

CPU Board (PCB-6940)

9-3

Block Diagram of the CPU Board

9-3

Circuit Explanation of the CPU Board

9-4

Analog Board (PCB-6972)

9-5

Block Diagram of the Analog Board

9-5

Circuit Explanation of the Analog Board

9-6

SpO

Unit (MP-506, NELL-3)

9-7

General Specification of the SpO

Unit

9-7

NIBP Amplifier Board (PCB-6836)

9-8

Block Diagram of the NIBP Amplifier Board

9-8

Circuit Explanation of the NIBP Amplifier Board

9-8

NIBP Drive Unit (PCB-6851)

9-9

Block Diagram of the NIBP Drive Unit

9-9

Circuit Explanation of the NIBP Drive Unit

9-9

Power Supply Board (PCB-6941)

9-10

Block Diagram of the Power Supply Board

9-10

Circuit Explanation of the Power Supply Board

9-10

Telemetry Transmitter Unit (PCB-6999)

9-11

Block Diagram of the Telemetry Transmitter Unit

9-11

Circuit Explanation of the Telemetry Transmitter Unit

9-12

LED Board

9-13

Block Diagram of the LED Board

9-13

Circuit Explanation of the LED Board

9-13

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Summary of Contents for DS-7001

Page 1: ... Bedside Monitor Service Manual l Before using this device read this manual thoroughly l Keep this manual near the device for future reference ...

Page 2: ...ountries If this manual has pages missing or out of order contact Fukuda Denshi for replacement Only physician or persons instructed by physicians are allowed to use the equipment The information contained in this document is subject to change without notice due to improvement in the equipment Copyright 2006 by Fukuda Denshi Co Ltd No part of this document may be copied or transmitted in any form ...

Page 3: ...on Safety ix Electrosurgery Safety ix Precautions about Magnetic Resonance Imaging x Precautions about the Fuse x Precautions about the DS 7001 xi Precautions for Use of SpO2 Sensor xv Precautions for Use of NIBP Cuff xv Precautions for Ventilator Monitoring xvi Disposing of Equipment Accessories or Components xix Precautions about Transportation xix Precautions about RTC or Data Backup xix Precau...

Page 4: ... equipment CAUTION Failure to follow this message may cause injury or failure to the equipment NOTE A note is not related to product safety but provides information about the correct use and operating procedures to prevent incorrect operation and malfunction of the equipment Labels Attached to the Unit Make sure to read the warning labels attached to the unit and comply with these requirements whi...

Page 5: ...rea vulnerable to high temperature humidity Avoid direct sunlight Use only the batteries specified for this device Do not disassemble or modify the battery Installation of the battery should be performed only by our service representative to avoid any risk of electric shock to the operator or malfunction of the device Replace the battery every 2 years The battery charges when the power cable is co...

Page 6: ...aturation SpO2 SpO2 Yellow Pulse Rate PR bpm beats per minute Graphic Symbols The following symbols are used for this equipment Symbols on the Main Unit Symbol Description Equipotential Terminal Indicates the terminal to equalize the potential difference when interconnecting the devices Caution refer to accompanying documents Indicates the need to refer to related accompanying documents before ope...

Page 7: ...k Indicates that the patient is using a pacemaker This mark will be displayed when YES is selected for pacemaker on the admit menu Synchronized Tone Mark Indicates that the heartbeat synchronized tone is set to either ECG or SpO2 Synchronized Lamp Mark Indicates that the heartbeat synchronized lamp is set to either ECG or SpO2 AC Power Supply Mark Indicates that the monitor is operated with AC pow...

Page 8: ... with other equipment as it may cause erroneous judgment and danger Ensure all patient connections are proper and secure l During operation of the system verify the following items Always observe the system and patient to ensure safe operation of the equipment If any abnormality is found on the equipment or patient take appropriate measures such as ceasing operation of the equipment in the safest ...

Page 9: ...rson can perform both functions l Select a telemetry manager who understands the characteristics and functionality of telemetry systems and is skilled in operating telemetry l When installing telemetry the Overall Manager and the Zone Manager have to understand the precautions for use of the telemetry in advance The Overall Manager takes responsibility of wireless channel management and transmitte...

Page 10: ...nance modifications and repairs are carried out by authorized personnel Components are used in accordance with Fukuda Denshi operating instructions A full technical description of the DS 7001 is available from your local Fukuda Denshi representative Precautions about the Pacemaker WARNING Minute ventilation rate adaptive implantable pacemakers can occasionally interact with certain cardiac monitor...

Page 11: ...ns surgery site with respect to the location of ECG electrodes or the type of instrument used may cause noise on the ECG The noise is generated at the tip of an electrical knife and is difficult to completely eliminate because of the frequency components of the ECG To reduce electrosurgical interference take the following precautions Location Locate the electrosurgical unit as far as possible from...

Page 12: ...rs connected to the patient test subject The local heating caused by the induced electromotive force may cause burn injury to the patient subject For details refer to the operation manual for the MRI testing device Precautions about the Fuse DANGER If the fuse blows contact Fukuda Denshi Service Representative Do not continue using it as internal damage to the equipment may be considered x ...

Page 13: ...upper lower alarm threshold is set to OFF alarm will not generate even if all alarm is set to ON Pay attention when setting the threshold OFF l Even if the individual parameter alarm is set to ON all the alarm will not generate during the alarm suspend time Check the patient s condition frequently l When using electrosurgical instrument with this equipment verify ground plate attachment electrode ...

Page 14: ... under adverse environmental conditions not only that the device can not deliver its maximum performance the device may be damaged and safety cannot be ensured If using the device under condition other than specified above contact our service representative CAUTION System The DS 7001 is intended for patient monitoring in the general ward ICU CCU OR and during in hospital transportation Do not use ...

Page 15: ...lead cables and electrodes Use of other cables or electrodes may prevent proper monitoring during defibrillation or eletrosurgery and may cause a drift in the waveform baseline Follow the instruction of the physician for electrode attachment position The electrode colors should be corresponded to the colors of the accompanying lead cables The indication for continuous use of the electrode is about...

Page 16: ...r neonate causing dangerous situation to the patient If 1 minute interval measurement 1min Start is set the measurement will automatically stop after 10 minutes or 20 minutes depending on the setup When performing long term measurement with the interval of 2 5 seconds or less constantly check the patient s condition Also when performing automatic measurement for long duration constantly check the ...

Page 17: ...o wear gloves when cleaning the equipment Do not allow liquids or cleaning solution to enter the monitor or connectors Do not use organic solvents thinner toluene and benzene to avoid damaging the resin case Do not polish the housing with abrasive or chemical cleaner When sterilizing the entire room using a spray solution pay close attention not to have liquids get into the monitor or connectors U...

Page 18: ...ndition will not only disallow the devices to deliver their maximum performance but also the devices may be damaged and safety cannot be ensured l When transmitting the ventilator information to the central monitor using the medical telemetry read the Precautions for Safe Operation of Medical Telemetry in the Preface l l l When monitoring the ventilator information on the central monitor use the D...

Page 19: ...accessory of E200 is connected to the E200 do not use the DS 7001 The alarm generated on the VM200 will not be transmitted to the DS 7001 l If OFF is selected for the ventilator ventilator message will not be displayed on the screen and ventilator alarm will not be generated A proper selection should be made when connecting a ventilator l The DS 7001 acquires alarm information by communicating wit...

Page 20: ...urse call port on the ventilator outputs the alarm signal For details of ventilator setup and alarm signal output condition from the nurse call port refer to the service representative of the ventilator manufacturer l When connecting the VELA the cable must be connected to the nurse call connector on the rear side of VELA Do not connect to the PATIENT ASSIST CALL l When connecting the E200 ventila...

Page 21: ...a built in clock When the power of the DS 7001 is turned off this clock is backed up by a lithium primary battery If incorrect time is displayed when turning on the power a low battery may be the cause In such case contact Fukuda Denshi service representative for replacing the battery 6 Periodic Replacement Precautions about the Cables CAUTION When disconnecting the cables pull on the connector ho...

Page 22: ...ive medical treatment from the doctor WARNING l l Do not connect the and terminals of the battery with a wire or any other metal l Do not peel off or scratch the exterior tubing l If charging does not complete within the specified charging time remove the battery and disconnect the power supply cable from the outlet Otherwise it may result in leakage or heating of the battery If the leaked solutio...

Page 23: ...ar Phone The radio wave may cause malfunction to the device Cellular phones and radio sets should be turned off in the room building where medical device is located Static Electricity In a dry environment room static electricity is likely to occur Take the following countermeasures Both operator and patient should remove any static electricity before entering the room Humidify the room Lightning A...

Page 24: ...ting to EMC Electromagnetic Compatibility When using this equipment verify that it is used within the environment specified below Compliance to the Electromagnetic Emissions The DS 7001 is intended for use in the electromagnetic environment specified below Emissions Test Compliance Electromagnetic Environment Guidance RF Emissions CISPR 11 Group 1 The equipment uses RF energy that is necessary for...

Page 25: ... 0 5 1 2kV Common Mode Power supply quality should be at levels characteristic of a typical location in a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 sec 5 UT 95 dip in UT for 0 5 cy...

Page 26: ...transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol Note 1 At 80Mhz and 800MHz the higher frequency range applies Note 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection fr...

Page 27: ...utput Power of Transmitter W 26MHz 80MHz d 1 2 P 80MHz 800MHz d 1 2 P 800MHz 2 5GHz d 2 3 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be determined using the equation applicable to the frequency of the transmitter where P is the maximum outp...

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Page 29: ...ter 1 General Description Provides the general information of the DS 7001 2 Accessories Lists the consumables and spare parts for the DS 7001 3 Preparation Before Use Explains the procedure to prepare the DS 7001 before use 4 Maintenance Explains the cleaning and maintenance procedure 5 Function Test Explains each function test procedure 6 Periodic Replacement Explains the periodic replacement pro...

Page 30: ...ories 2 4 ECG Impedance Respiration 2 4 Non Invasive Blood Pressure 2 4 SpO2 2 5 Others 2 5 3 Preparation Before Use Precautions for Installing the Equipment 3 2 To Turn On the Power 3 3 Connecting the Power Cable 3 3 For Use with the Battery 3 4 Battery Mark 3 5 Battery Charging 3 5 Language Setup At Power ON 3 6 Language At Power ON 3 6 Telemetry System 3 7 Telemetry Transmission ON OFF 3 8 Chan...

Page 31: ...ta Backup Battery 4 5 Replacement of the Data Backup Battery 4 5 Battery 4 6 Handling the Battery 4 6 Storing the Battery 4 6 Upgrading the Program 4 7 Standard Install Process 4 8 Forced Install Process 4 10 DIP Switch 4 12 DIP Switch Setting 4 12 Maintenance Check 4 13 About the Maintenance Check 4 13 Daily Check 4 13 Periodic Check 4 13 Periodic Replacement Parts 4 13 Daily Check List 4 14 Peri...

Page 32: ...est 5 14 NIBP 5 14 Serial Communication Test 5 16 SCI 5 16 SpO2 Unit Communication Test 5 17 SpO2 5 17 NIBP Measurement Test 5 18 Meas 5 18 AD 5 21 Reset 5 22 RESET 5 22 DEMO Function 5 23 DEMO 5 23 CF Function Setup 5 24 CF 5 24 Hard Copy 5 24 Rec 1min 5 24 Language Setup 5 25 6 Periodic Replacement Periodic Replacement Parts 6 2 About the Periodic Replacement Parts 6 2 Replacement Procedure 6 3 ...

Page 33: ...y 7 8 CF Card Recording 7 9 Equipment Status Alarm Message 7 10 Startup Error 7 11 8 Specification Specification Performance 8 2 Specification 8 2 Performance 8 3 Setup Item Default and Backup 8 5 Patient Admit Discharge 8 5 Alarm Setup 8 5 Parameter Setup 8 6 System Configuration Menu 8 7 Preset Menu 8 9 External Connection Pin Assignments 8 10 I O Port 8 10 xxxi ...

Page 34: ...836 9 8 Block Diagram of the NIBP Amplifier Board 9 8 Circuit Explanation of the NIBP Amplifier Board 9 8 NIBP Drive Unit PCB 6851 9 9 Block Diagram of the NIBP Drive Unit 9 9 Circuit Explanation of the NIBP Drive Unit 9 9 Power Supply Board PCB 6941 9 10 Block Diagram of the Power Supply Board 9 10 Circuit Explanation of the Power Supply Board 9 10 Telemetry Transmitter Unit PCB 6999 9 11 Block D...

Page 35: ...General Description This chapter provides the general information of this equipment Chapter 1 General Description 1 2 Features 1 2 Basic Composition 1 3 Names of Parts and Their Functions 1 4 1 1 ...

Page 36: ...can be attached to the drip stand or bedside using the exclusive mounting adapter Through the use of built in telemetry transmitter patient data can be transmitted and monitored on the central monitor Capable of monitoring ECG respiration SpO2 and NIBP 5 types of control key enable easy operation Selection key NIBP Start Stop key On Off Standby key Rec Stop Key Alarm Silence key A lamp is provided...

Page 37: ...ork connection using the DS 7001 Bedside Monitor DS 7600 Central Monitor DS 4600 Central Monitor DS 7001 Bedside Monitor Bedside Monitor DS 5400 DS 5300W etc DS LANⅡ Bedside Monitor DS 7141 etc DS 5700 Central Monitor LW 5500N Central Telemetry Receiver 1 3 ...

Page 38: ...alarm sound AC Power Indicator Lights in green when the power is supplied Battery Indicator Indicates the battery operation condition Selection Key Displays the menu selects the item NIBP Start Stop Key Starts the NIBP measurement Pressing this key again during measurement will stop the measurement On Off Standby Key Pressing this key for more than 2 seconds will display the screen When pressed du...

Page 39: ...and supplies AC power Equipotential Terminal When connecting to external device this is used as equipotential terminal WARNING Do not connect unit or cable not authorized by Fukuda Denshi to any I O connector If done so by mistake the device cannot deliver its maximum performance and the connected units may be damaged resulting in a safety hazard 1 5 ...

Page 40: ...1 6 Blank Page ...

Page 41: ...r this equipment are listed Chapter 2 Accessories 2 2 Accessories 2 2 NSK 506D Disposable Kit 2 3 NIBP Monitoring 2 3 SpO2 Monitoring 2 3 Optional Accessories 2 4 ECG Impedance Respiration 2 4 Non Invasive Blood Pressure 2 4 SpO2 2 5 Others 2 5 2 1 ...

Page 42: ...e only the accessories specified for this device Otherwise proper function cannot be executed l For quality improvement specifications are subject to change without prior notice Accessories Power Cable CS 18 Qty 1 Battery Replacement Label Qty 5 This Operation Manual Qty 1 2 2 ...

Page 43: ...m OA 7109B Qty 1 Adult Cuff Medium CUF 7102A Qty 1 CAUTION This product contains natural rubber latex which may cause allergic reactions SpO2 Monitoring SpO2 Relay Cable DOC 10 Qty 1 MAX PAC i Qty 1 OXISENSOR for adult Qty 2 OXISENSOR for child Qty 2 2 3 ...

Page 44: ...e ECG Relay Cable CI 162 ECG Relay Cable CI 164 for electrosurgery ECG Relay Cable CI 161 Lead Cable 3380 0654 04 Lead Cable 3382 0654 11 for electrosurgery Lead Cable CM 61 CAUTION When using the electrosurgery proof type ECG relay cable respiration measurement cannot be performed Non Invasive Blood Pressure Item Model Type Note Adult Cuff Large CUF 7101 Adult Cuff Medium CUF 7102A Adult Cuff Sma...

Page 45: ...B FCF 64 64MB Compact Flash Card FCF 128 128MB Mounting Adapter OA 445 CJ 500 For SV 900 Servo Ventilator CJ 501 For SV 300 Servo Ventilator CJ 502 For Servo i Ventilator CJ 504 For PURITAN BENNETT Ventilator PB 740 PB 760 PB 840 CJ 505 For BIRD Ventilator VELA CJ 502 For Evita 2 dura Evita 4 Evita XL Ventilator Connection Cable CJ 506 For E200 2 5 ...

Page 46: ...2 6 Blank Page ...

Page 47: ... Installing the Equipment 3 2 To Turn On the Power 3 3 Connecting the Power Cable 3 3 For Use with the Battery 3 4 Battery Mark 3 5 Battery Charging 3 5 Language Setup At Power ON 3 6 Language At Power ON 3 6 Telemetry System 3 7 Telemetry Transmission ON OFF 3 8 Channel ID Group ID Setup 3 9 Ventilator Connection 3 10 3 1 ...

Page 48: ...ttention when installing or storing the device Do not install or store in the following locations Where chemicals are stored or gas may generate Where the equipment will be subject to splashing water or humidity from a nebulizer or vapolizer Where the equipment will be subject to direct sunlight Unstable place with inclination vibration or shock Proper ventilation is required to cool the device Do...

Page 49: ...hen the battery optional is installed the battery indicator lights and starts charging AC Power Indicator Lights in green when AC power is supplied Battery Indicator Indicates the battery operation condition During AC operation when AC power cable is connected Fully charged Green light In process of charging Orange light Battery not installed No light During battery operation Normal condition No l...

Page 50: ... This is called equipotential grounding For Use with the Battery Using the battery for operating the DS 7001 allows monitoring at places where AC power source is not available such as during in hospital patient transportation One battery is used for the DS 7001 When fully charged the DS 7001 is capable to operate for about 60 minutes Reference For procedure to replace the battery refer to 6 Period...

Page 51: ...on duration becomes short the battery needs to be replaced Battery Charging Connecting the power cable to the hospital grade outlet with the battery installed will start the charging During charging the battery lamp lights in red When the lamp turns to green the charging is complete Operating the monitor with the AC supply allows monitoring the physiological information while charging the battery ...

Page 52: ...ed without entering the Test Menu which allows to perform the setup without initializing the settings 1 Turn OFF the power of the DS 7001 2 Press the key and A e larmSilenc key simultaneously to turn ON the power 3 The language setup screen will be displayed NOTE This procedure will initialize the language setup If the language setup is not performed at this time if Skip is selected the language s...

Page 53: ...incorporates a telemetry transmitter As antenna is also incorporated external antenna is not required DS 7600 Central Monitor DS 4600 Central Monitor DS 7001 Bedside Monitor Bedside Monitor DS 5400 DS 5300W etc DS LANⅡ Bedside Monitor DS 7141 etc DS 5700 Central Monitor LW 5500N Central Telemetry Receiver 3 7 ...

Page 54: ...nges to the telemetry channels l If transmitters are used in a neighboring medical facility your facility and neighboring facility must make agreements on the setting of telemetry channels to prevent telemetry interference Telemetry Transmission ON OFF ON OFF of telemetry transmission to the central monitor can be selected 1 Select è è è enter password è The soft switch menu will be displayed Sele...

Page 55: ...ther than medical telemetry will not be set Reference Adjustable Range of Telemetry Channel ch3001 ch6979 SS80 SS99 not adjustable 4 Enter the group ID Enter the group ID in the range from 00 to 60 5 Save the channel ID and group ID Select and press NOTE When the monitor indicates that the measurement data is out of range display the minimum or maximum value of the range will be displayed at the t...

Page 56: ...tware MSP VH2 07 00 IO Software IOP V0 01 00 Evita 2 dura 04 14 Evita 4 04 14 Evita XL 05 10 E200 5 2 0 CAUTION l The ventilator operation should be performed by well trained and authorized personnel l l For connecting the DS 7001 and ventilator use only the specified connection cable Verify that the DS 7001 and the ventilator are properly connected l When connecting the cable verify that the main...

Page 57: ... SV 900 SV 300 Servo i Servo s CJ 501 Servo i Servo s CJ 502 SV 900 SV 300 CJ 500 3 11 ...

Page 58: ...s Refer to the service representative of the ventilator manufacturer Baud Rate 9600bit s Data Bit 8bit Parity Bit none Stop Bit 1bit l The DS 7001 detects the ventilator alarm when the nurse call port on the ventilator outputs the alarm signal For details of ventilator setup and alarm signal output condition from the nurse call port refer to the service representative of the ventilator manufacture...

Page 59: ... VELA VELA Interface Box CJ 505 Nurse Call Connector CAUTION The cable must be connected to the Nurse Call Connector on the rear side of VELA Do not connect to the PATIENT ASSIST CALL 3 13 ...

Page 60: ...manufacturer Protocol Medibus Baud Rate 19200bit s Data Bit 8bit Parity Bit Even Stop Bit 1bit l The DS 7001 will not correspond to the following alarm generated at the ventilator O2 monitoring disabled alarm CO2 alarm disabled alarm Oximeter alarm disabled alarm Neo volume measurement inoperable alarm Minute volume alarm disabled alarm Minute volume alarm low off alarm Tidal volume alarm high off...

Page 61: ... also generated on the DS 7001 When monitoring the alarm of the E200 verify that the power of the E200 is OFF before turning ON the power of the DS 7001 Otherwise confirmation screen will be displayed on the DS 7001 In such case check that the ventilator is not in alarm condition before monitoring the alarm l If Compass VM200 optional accessory of E200 is connected to the E200 do not use the DS 70...

Page 62: ...entilator 4 Select ON OFF of ventilator alarm sound ON Ventilator alarm sound will be generated on the DS 7001 OFF Ventilator alarm sound will not be generated on the DS 7001 The VENT message will not be displayed either However ventilator alarm information will be transmitted to the central monitor WARNING If OFF is selected the VENT message will not be displayed at the alarm message area even if...

Page 63: ...er 4 3 Fuse 4 4 About the Fuse 4 4 Data Backup Battery 4 5 Replacement of the Data Backup Battery 4 5 Battery 4 6 Handling the Battery 4 6 Storing the Battery 4 6 Upgrading the Program 4 7 Standard Install Process 4 8 Forced Install Process 4 10 DIP Switch 4 12 DIP Switch Setting 4 12 Maintenance Check 4 13 About the Maintenance Check 4 13 Daily Check 4 13 Periodic Check 4 13 Periodic Replacement ...

Page 64: ...he display becomes dark scintillates or does not light replacement is required Although the LCD utilizes highly accurate picture elements occasionally there may be few pixels which does not light or constantly lights Please note that this is not an equipment failure and will not affect monitoring operation Storage Store in a place where the device will not be exposed to splashing water Store in a ...

Page 65: ...ire room using a spray solution pay close attention not to have liquids get into the monitor or connectors l Use only neutral detergent to clean the housing Do not use chemical cloth scrub brush abrasive polishing powder hot water volatile solvent and chemicals cleanser thinner benzine benzol and synthetic detergent for house and furniture or sharp edged tools The surface resin coating may be dama...

Page 66: ...to replace the fuses When replacing the fuses contact Fukuda Denshi WARNING If the fuse blows immediately stop using the equipment as internal damage such as short circuit may be the cause On the DS 7001 system bedside monitor the fuses are mounted on the power supply board Indicated by circles in the left picture 4 4 ...

Page 67: ...the clock is set the battery which backs up the patient data alarm setup measurement list etc and clock function may be depleted Refer to 6 Periodic Replacement for the procedure and replace the data backup battery Reference For procedure to replace the data backup battery refer to 6 Periodic Replacement 4 5 ...

Page 68: ... advance for the next use Storing the Battery To take advantage of the qualities of the battery pack pay attention to the following when storing Storage Temperature and Humidity Store in an environment specified below where there is no corrosive gas Storage Period Storage Temperature Storage Humidity Within 30days 20 50 C 30 days 90 days 20 40 C 90 days 1year 20 30 C 65 20 Do not store in an envir...

Page 69: ...erform the following actions Otherwise the software error will occur and forced install process may become necessary Inserting removing of the CF card Plugging unplugging of the AC power cable Forced Install Process This process forcibly installs or upgrades the program to the DS 7001 system bedside monitor The install process will automatically start when the system is started Use this forced ins...

Page 70: ...d to the DS 7001 and verify that the card check process properly completes If the card check fails installing will not be possible 2 Select è è to display the password input screen Enter the correct password using the keys and press The preset menu will be displayed 3 Select The system version screen will be displayed 4 8 ...

Page 71: ...d If these are not displayed the following cause can be considered There is no install file in the CF card 5 Select Install again The install process will start Wait until all the indicators reach the maximum state When the install process completes the system will automatically restart and home display will be displayed 4 9 ...

Page 72: ...m using the forced install process Before the procedure prepare a particular kind of driver Product No DLR3 75 OSG Corporation 1 Turn OFF the power and detach the rear panel Remove the 3 screws shown in circles and detach the rear panel 2 Set the DIP switch No 8 to ON 4 10 ...

Page 73: ...process does not start the following causes can be considered There is no install file in the CF card The CF card is not formatted on the DS 7001 The boot block is deleted 5 When the install procedure is complete remove the CF card and set the DIP switch No 8 to OFF If leaving the DIP switch No 8 set to ON and starting the system with the CF card inserted the forced install process will start agai...

Page 74: ...nction of each DIP switch SW No Default Description When ON 1 OFF Test menu key display If the system is started with No 1 set to ON the system will be initialized to factory default setting 2 ON Display mode for export use Telemetry channel mode for CE 3 OFF Not used Reserved Function 4 OFF Not used Reserved Function 5 OFF If No 5 and 6 is set to ON pressure sensor 2 measurement will be also disp...

Page 75: ...Check List Periodic Check Periodic inspection of medical electronic equipment is mandatory to prevent failures and accidents and to ensure safety and reliability Periodic maintenance may be performed by each medical institution or by a third party by concluding a Maintenance Contract Periodic Replacement Parts To ensure reliability of safety function and performance of this device the following co...

Page 76: ...ions Turn ON the monitor and check whether it operates normally Pressing the key displays the menu oOK oNG Telemetry Channel Check the channel ID and group ID at the receiver side if they are as specified by the telemetry channel manager It should conform to telemetry channel checklist oOK oNG Zone Location Visually check the location label color and used location if they are as specified by the t...

Page 77: ...Month Should be within 2 years Or the number of charge discharge operation should be within 300 times oOK oNG 1 Earth Leakage Current Normal 0 5mA or below oOK oNG 2 Earth Leakage Current Single Failure 1mA or below oOK oNG 3 Exterior Leakage Current Normal 0 1mA or below oOK oNG 4 Exterior Leakage Current Single Failure 0 5mA or below oOK oNG DC 0 01mA or below oOK oNG 5 Patient Leakage CurrentⅠ ...

Page 78: ...4 16 Blank Page ...

Page 79: ... 9 Speed 5 9 Filter 5 9 Power ON 5 10 Adjust 5 11 ECG Offset Adjustment 5 13 Respiration Offset Adjustment 5 13 NIBP Function Test 5 14 NIBP 5 14 Serial Communication Test 5 16 SCI 5 16 SpO2 Unit Communication Test 5 17 SpO2 5 17 NIBP Measurement Test 5 18 Meas 5 18 AD 5 21 Reset 5 22 RESET 5 22 DEMO Function 5 23 DEMO 5 23 CF Function Setup 5 24 CF 5 24 Hard Copy 5 24 Rec 1min 5 24 Language Setup...

Page 80: ...he DIP switch After using the Test Menu be sure to set the DIP switch back to default setting To Display the Test Menu To display the Test Menu it is necessary to change the DIP switch setting Before the procedure prepare a particular kind of driver Product No DLR3 75 OSG Corporation CAUTION The Test Menu function can be used by setting the DIP switch No 1 to ON However if the system is turned ON ...

Page 81: ...will display the password input screen Use the keys to enter the password 7001 Then press the key The Preset menu with the Test Menu key will be displayed Select Test Menu and press the key 4 Display the Test Menu The Test Menu will be displayed 5 3 ...

Page 82: ... 6 After performing the test set the DIP switch No 1 to OFF 7 Restart the system and check that the Test Menu key is not displayed on the preset menu 8 After verifying that the system operates properly attach the rear panel 5 4 ...

Page 83: ...the LCD operation Pressing the key will sequentially display the following patterns Black White Gray Scale 8 gradation Burst Red Green Blue When all 7 patterns are displayed the LCD test is complete and the display returns to the Test Menu Visually check the displayed test patterns and ensure that there is no flicker color drift bright point or unlighted point 5 5 ...

Page 84: ...ts of offset gain etc can be also performed CAUTION Be cautious when performing the offset adjustment as incorrect adjustment may cause failure of the equipment Analog On the Analog screen the parameter status on the analog board can be verified The A D converted data of each parameter will be displayed 5 6 ...

Page 85: ...n Lead off is detected at the value 410 and above Pace Displays the A D value of pacemaker pulse detection Prb Reserved function Not used Com1 Reserved function Not used Com2 Reserved function Not used CUFF1 Displays the A D value of NIBP sensor 1 pressure measurement CUFF2 Displays the A D value of NIBP sensor 2 pressure measurement OSC1 Displays the A D value of pulse wave detection 1 OSC2 Displ...

Page 86: ...epleted and SRAM Battery NG will be displayed at startup The actual voltage can be calculated from the following equation Batt L value 1 5 Actual Voltage Batt D Displays the battery voltage The actual voltage can be calculated from the following equation Batt D value 5 55 Actual Voltage sum Displays the checksum status DIP Displays the DIP switch status 1 is ON and 0 is OFF LD Displays telemetry u...

Page 87: ...ch as speed and filter setup On the Power ON display startup record etc can be verified Speed This is used for debug Filter This is used for factory inspection and debug ON OFF of filters such as AC filter and wide AC filter can be performed 5 9 ...

Page 88: ...on PowOn Cnt Displays the number of times the system was started AdE Displays the number of times which CPU address error was generated DmE Displays the number of times which DMA address error was generated IrE Displays the number of times which improper general instruction was generated SiE Displays the number of times which improper slot instruction was generated 5 10 ...

Page 89: ...t value to 0 This key will be highlighted with a red frame when the offset value is set to 0 When the key is highlighted the waveform will be also displayed with the offset value of 0 2 set ECG Sets the offset value for the current ECG A D value 4 Offset Value 3 A D Value at the time the 2 set key was pressed 1 The offset value will be displayed at 4 and the 2 set key will be highlighted with a re...

Page 90: ...et value setup select 15 Flash Write key Selecting the 8 set key again will cancel the setup and the value will return to the previous offset value 9 RESP A D Value Displays the RESP A D value without the offset adjustment 10 Offset Value RESP Displays the offset value set by selecting 7 0 or 8 set key 11 Flash Memory Offset Value RESP Displays the current offset value used for the RESP waveform d...

Page 91: ...e waveform 8 Input the artificial waveform from the MEDSIM300 and check if the waveform is properly displayed on the home display Respiration Offset Adjustment Before the procedure prepare MEDSIM 300 FLUKE 1 Connect the MEDSIM 300 and each electrode 2 Set the MEDSIM 300 as following BASELINE IMPEDANCE 1000Ω EAD SELECT Ⅱ RL LL RESP output setup procedure for the MEDSIM 300 Select RESP APNEA cont 3 ...

Page 92: ... self test for the basic function of the NIBP will be performed NIBP Follow the procedure below to perform the NIBP function test 1 Connect the 500cc air tank to the cuff connector Air Hose Connection 500cc Air Tank Cuff Connector Air Hose 2 Display the NIBP test menu and press the NIBP Start Stop key 5 14 ...

Page 93: ...te 2 Pressure Measurement Accuracy Adult 3 Pressurization Time 4 Air Leakage Value 5 Operation Check of Rapid Exhaust Valve 6 Operation Check of Constant Speed Exhaust Valve 7 Measurement Time Safety Circuit 8 Overpressure Safety Circuit Adult 9 Rapid Exhaust after Overpressure Adult 10 Overpressure Safety Circuit Child 11 Rapid Exhaust after Overpressure Child 12 Overpressure Safety Circuit Neona...

Page 94: ...r side of the equipment Reference For details of the pin assignments refer to 8 Specification External Connection TX Displays the packet number transmitted from the serial port of the equipment RX Displays the packet number received at the serial port of the equipment The reliable data difference of TX and RX for the ERROR condition will be displayed only when the loop back test is performed If th...

Page 95: ...d The measurement may not be properly performed Status Displays the status of the SpO2 unit HRD er If the SpO2 unit hardware error is detected 1 is displayed POW er If the SpO2 unit power supply error is detected 1 is displayed TRS er If tentative error other than above is detected 1 is displayed COM er The number of times which communication error was detected between the CPU board and SpO2 unit ...

Page 96: ...NIBP measurement test 1 Apply the cuff to the arm in a same condition as performing the normal measurement 2 Display the Meas screen and press the NIBP Start Stop key 3 The NIBP measurement will start and the graph showing the cuff pressure and the measured pulse rate will be displayed After the test OK will be displayed if no problem is found If a problem is found the following error message will...

Page 97: ...30 seconds Pressure Sensor Failure Exhaust Valve Failure etc 0x0007 Sensor Er 1 During the zero balance process the difference between the 2 pressure sensors was too large Sensor Board Failure Pressure sensor error etc 0x0008 Sensor Er 2 Currently not used 0x0009 Sensor Bad Currently not used 0x000A Constant Discharge Er 20 seconds or more has elapsed since the discharging was started but the decr...

Page 98: ...s error status at completion of measurement Status N Displays measurement status at completion of measurement Press Displays the cuff pressure value during the measurement test Pulse Displays the average pulse rate during the measurement test Inf_T Displays the pressure target value 5 20 ...

Page 99: ... measurement 2 Display the AD screen and press the NIBP Start Stop key 3 The NIBP measurement will start and cuff pressure waveform and pulse waveform will be displayed 4 Press the key to return to the NIBP Meas screen Red Cuff Pressure Waveform Pressure Sensor 1 Green Cuff Pressure Waveform Pressure Sensor 2 Yellow Pulse Waveform OSC1 Blue Pulse Waveform OSC2 5 21 ...

Page 100: ...Reset RESET Selecting RESET will reset the system CAUTION If you desire to retain the current settings do not use the reset function 5 22 ...

Page 101: ...monitoring cannot be performed After using the demonstration mode make sure to restart the system and check that the demonstration mode is completed 1 By selecting DEMO on the Test Menu the system will enter the demonstration mode 2 By selecting DEMO again the system will be reset and returns the display to the standard monitoring mode Restarting the system will also return the display to the stan...

Page 102: ...d on the CF card in bitmap format Maximum of 8 screens can be recorded The recorded screen can be viewed on the Windows 98 Me 2000 The Windows2000 is compatible with the DS 7001 with the version V4 1 and newer 1 Select ON for Hard Copy on the CF menu 2 Insert the CF card formatted on the DS 7001 to the CF card slot 3 Display the screen to copy and press the NIBP Start Stop key 4 During recording a...

Page 103: ...m the Test Menu or by using a special procedure Reference For special procedure to set the language refer to 3 Preparation Before Use Language English or Chinese can be selected for the language 1 Select Language on the Test Menu Language Select English or Chinese and press the Save key If not setting the language select Skip When the Save key is pressed the screen shown at left will be displayed ...

Page 104: ...5 26 Blank Page ...

Page 105: ...e the periodic replacement part is explained Peri Proce Chapter 6 Periodic Replacement Parts 6 2 About the Periodic Replacement Parts 6 2 Replacement Procedure 6 3 LCD Unit 6 3 Lithium Battery for Data Backup 6 4 Battery Pack 6 9 6 1 ...

Page 106: ...e of the DS 7001 system bedside monitor the following components must be replaced periodically Components Replacement Period LCD Unit 10 000 hours or more of continuous use or 2 years or more Lithium Battery for Data Backup ER 3VC 6 years Battery Pack 10HR AAC 4781 2 years or 300 times of charging discharging CAUTION The periodic replacement parts must be replaced within specified period 6 2 ...

Page 107: ...iability of safety function and performance of the DS 7001 system bedside monitor the LCD unit must be replaced periodically Otherwise it may cause the following degradation Unclearness darkness of the display CAUTION The periodic replacement parts must be replaced within specified period As the membrane switch and LCD relay board are connected to the LCD unit the replacement procedure is complica...

Page 108: ... the following degradation Degradation of the RTC accuracy Deletion of SRAM data at power OFF CAUTION The periodic replacement parts must be replaced within specified period Before the procedure prepare a particular kind of driver Product No DLR3 75 OSG Corporation and a 2 5mm wide cable tie 1 Turn OFF the power and detach the bottom panel Remove the 2 screws 3 8W sems shown in circles and detach ...

Page 109: ...alarm pole Remove the 2 screws 3 10W sems shown in circles As shown in the bottom picture the alarm pole is a hook like shape Slide the alarm pole upwards to the back in the arrow direction and detach Back Front 6 5 ...

Page 110: ...at the top which is attaching the side panel Back Front 5 Detach the rear panel Use the specified driver to remove the 3 screws shown in circles and detach the rear panel 6 Detach the side panel Remove the screw 3 8W sems shown in circle and detach the side panel 6 6 ...

Page 111: ...7 Detach the side cover Remove the screw 3 8W sems shown in circle and slide the side cover to the arrow direction Disconnect the LED board connector shown in square and detach the side cover 6 7 ...

Page 112: ...d remove the lithium battery Set the new lithium battery and secure with 2 5mm wide cable tie Reassemble the side cover side panel etc Turn ON the DS 7001 reset the system adjust the clock and check that the system properly operates Reference For reset procedure refer to 5 Function Test Reset 6 8 ...

Page 113: ...failure CAUTION The periodic replacement parts must be replaced within specified period 1 Turn OFF the power and detach the bottom panel Remove the 2 screws 3 8W sems shown in circle and detach the bottom panel 2 Remove the battery Disconnect the battery from the cable and reconnect a new battery Place the battery inside the compartment and attach the bottom panel After the assembly connect the AC...

Page 114: ...6 10 Reference For details of the battery lamp refer to 3 Preparation Before Use To Turn ON the Power ...

Page 115: ...s explained T Chapter 7 Troubleshooting 7 2 ECG 7 2 Respiration 7 3 NIBP 7 3 SpO2 7 4 Alarm 7 5 Ventilator Alarm 7 6 Waveform Display 7 6 Telemetry 7 7 General 7 7 Battery 7 8 CF Card Recording 7 9 Equipment Status Alarm Message 7 10 Startup Error 7 11 7 1 ...

Page 116: ... will less likely to interfere Heart rate is not counted Heart rate is low Cause The ECG waveform amplitude is below the QRS automatic detection level 0 3mV Solution Change the electrode site or select a lead with higher QRS amplitude Heart rate is not counted and LEAD OFF message is displayed Cause The electrode of the displayed lead type is detached or is not making good electrical contact with ...

Page 117: ... message is displayed and the measurement is ceased Cause 1 The measurement accuracy is not reliable due to body motion artifact Solution Have the patient stay still as much as possible during the measurement Cause 2 The pulse is too small to acquire reliable measurement accuracy Solution Check if the cuff application is proper and if the cuff size is corresponded to the selected patient type Caus...

Page 118: ...d to the SpO2 input connector Solution Make sure the SpO2 sensor is securely connected Cause 4 Sensor is exposed to light Solution Place a black or dark cloth over the sensor to avoid direct sunlight Also when not used avoid placing the sensor in light or unplug the sensor from the connector The SpO2 value is unstable Cause There is excessive body motion of the patient which disables correct measu...

Page 119: ...the alarm is suspended the message ALARM SUSPEND is displayed and alarm will not generate even if the individual parameter alarm is set to ON When the suspend time completes the system alarm automatically resets to ON To set the system alarm ON cancel the alarm suspend function on the alarm setup menu Cause 2 The individual parameter alarm is set to OFF Solution Even if All Alarm is set to ON if i...

Page 120: ... the cause of the alarm generated at the ventilator and take appropriate action is displayed for the ventilator message The ventilator display is also displayed Cause The monitor can not properly communicate with the ventilator due to the following cause The ventilator power is turned OFF The ventilator is in standby mode The cable connecting the ventilator and the monitor is disconnected or is no...

Page 121: ...the device and contact Fukuda Denshi General Numbers are displayed in the center of the screen Cause The monitor is in test mode Stop using the monitor immediately Solution The internal switch needs to be switched to standard mode Turn off the DIP switch No 5 and No 6 Reference For details of the DIP switch refer to 4 Maintenance DIP Switch The clock is often delayed or showing incorrect time Caus...

Page 122: ... battery life has expired Solution The battery is consumable product Replace the battery within 2 years Reference For procedure to replace the battery refer to 6 Periodic Replacement The battery charge lamp does not light Cause The battery temperature has increased Solution Repeated charging within short duration will cause the battery temperature to rise and may stop the charging procedure for sa...

Page 123: ... Solution Format the CF card Situation 5 ERROR xxxTimeEr is displayed on the CF Format screen Cause 1 Due to CF card failure reading writing is taking too much time Solution Do not use this card Use a new card Cause 2 The CF card was removed during recording Solution Do not remove the CF card during recording as it will cause damage to the CF card Situation 6 ERROR xxxCF 32M is displayed on the CF...

Page 124: ... this message is displayed Priority Message Displayed Color Description DEMO DEMO mode High BATTERY The remaining battery capacity is less than 10 minutes TELE ER Telemetry module error NO CARD The CF card is not inserted Com Err Communication error with the SpO2 hardware CVA ECG waveform is superimposed on the respiration waveform Sensor Err SpO2 sensor failure PULSE Searching pulse MOTION Body m...

Page 125: ...tion Turn OFF the power and restart the system If Global NG message is displayed again stop using the device and contact Fukuda Denshi At startup SRAM Battery NG is displayed and initializes to factory default setting Cause The lithium battery is depleted Solution The lithium battery needs to be replaced Reference For procedure to replace the battery refer to 6 Periodic Replacement At startup DIP ...

Page 126: ...7 12 Blank Page ...

Page 127: ...ter 8 Specification Performance 8 2 Specification 8 2 Performance 8 3 Setup Item Default and Backup 8 5 Patient Admit Discharge 8 5 Alarm Setup 8 5 Parameter Setup 8 6 System Configuration Menu 8 7 Preset Menu 8 9 External Connection Pin Assignments 8 10 I O Port 8 10 8 1 ...

Page 128: ...ctric shock Class I and Internally Powered Equipment The degree of protection against electrical shock Type CF Applied Part The degree of protection against harmful water invasion IPX0 no protection Method of sterilization or disinfection Cleaning only For use in the presence of flammable gas Equipment not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen o...

Page 129: ...istics 0 3sec 0 1sec Frequency Characteristics 40Hz 15Hz AC Filter 50Hz 60Hz Defibrillator Protection Provided Respiration Measurement Impedance Method RR Range 0 4 150Bpm Accuracy 3Bpm Current 100mA and below NIBP Measurement Oscillometric Method NIBP Range 0 300mmHg NIBP Accuracy 4mmHg Zero Calibration Automatic calibration at start of measurement Measurable Range Adult 10 280mmHg Child 10 180mm...

Page 130: ...infrared nominal value Telemetry Transmitting Waveform ECG RESP Pulse Waveform Transmitting Numeric Data HR RR SpO2 PR NIBP Status Data Lead Off Probe Off Low Battery etc Medical Telemetry Type Type A Occupied Frequency Range 8 5kHz and below Communication Unidirectional Oscillation Crystal controlled PLL synthesizer Antenna Power 1 0mW Radio Wave Type F7D Transmission Frequency One wave within 42...

Page 131: ...ording to the alarm backup setup Setup item will be reset to initial setting when the power is turned OFF Patient Admit Discharge Item Selection Default Backup Patient Type Adult Child Neo Adult Pacemaker No Yes No Pace Pulse OFF ON Color OFF Alarm Setup Item Selection Default Backup All Alarms Suspend ON Suspend HR ON OFF 20 300bpm ON 40 120 RR ON OFF 5 150Bpm ON 5 30 APNEA ON OFF 5 20sec ON 15se...

Page 132: ... ON OFF OFF CVA Detect ON OFF OFF Impedance Meas ON OFF ON SpO2 Gain AG Auto Gain 1 4 1 2 1 2 4 AG Bar Graph ON OFF ON Ignore NIBP ON OFF OFF NIBP Auto Mode OFF 2 2 5 3 5 10 15 30 60 120 min OFF 1 1min Start OFF 10min 20min OFF NIBP Speed Normal Fast Normal List Graph OFF L G L G OFF Graph Time Span Auto 30m 1h 2h 4h 8h 12h 24h List Auto Graph Scale Auto 100 150 200 250 300 Auto 1 Only if Backup i...

Page 133: ... ON OFF ON CF End Tone ON OFF ON Lead Off Probe Off ON OFF ON Color Brightness ECG HR Green RESP White SpO2 Yellow NIBP 8 colors White Background White Black Black Menu Color 4 colors Navy Blue Lamp Lamp Source ECG SpO2 OFF ECG Telemeter Channel 4 digit medical telemetry channel no 6020 Group 00 60 00 Waveform ECG SpO2 Speed 8 12 5 25mm s 25mm s RESP Speed 8 12 5 25mm s 8mm s Wave Line Thickness T...

Page 134: ...umeric Data Layout NIBP N CF Card Recording Manual Recording Rec Duration 12s 24s 12s Wave 1 OFF ECG RESP SpO2 ECG Wave 2 OFF ECG RESP SpO2 SpO2 Alarm Recording Record ON OFF OFF Rec Duration 12s 24s 12s Wave 1 Alarm ECG RESP SpO2 Alarm Wave 2 OFF ECG RESP SpO2 OFF Factor ALL HR PR Other ALL Periodic Recording Record ON OFF OFF Rec Duration 12s 24s 12s Wave 1 OFF ECG RESP SpO2 ECG Wave 2 OFF ECG R...

Page 135: ...apt Wide NIBP Auto Mode at Power ON Backup Clear Clear Auto Gain Range 1 4 2 1 4 4 1 4 2 Speed Normal Fast Normal Ventilator Ventilator OFF Sv900 Sv I S 300 PB VELA Evita E200 OFF Alarm Tone ON OFF OFF User Key Left Key NIBP List Right Key Admit Alarm NIBP List Alarm List ECG setup RESP setup SpO2 setup NIBP setup ECG alarm RESP alarm SpO2 alarm NIBP alarm NIBP periodic Alarm Alarm Backup Discharg...

Page 136: ...ignal Type Description Signal Level 1 NC No Connection 2 EXT_IN Logic External Input Logic Input 3 TxD Serial Transmission Data Output RS232C 4 SG Signal GND 5 RxD Serial Reception Data Input RS232C 6 5V 5V 5V power supply 150mA 7 GND GND 8 GND GND This connector is isolated The power capacity is max 150mA ...

Page 137: ...IBP Amplifier Board PCB 6836 9 8 Block Diagram of the NIBP Amplifier Board 9 8 Circuit Explanation of the NIBP Amplifier Board 9 8 NIBP Drive Unit PCB 6851 9 9 Block Diagram of the NIBP Drive Unit 9 9 Circuit Explanation of the NIBP Drive Unit 9 9 Power Supply Board PCB 6941 9 10 Block Diagram of the Power Supply Board 9 10 Circuit Explanation of the Power Supply Board 9 10 Telemetry Transmitter U...

Page 138: ...form and numeric data PCB 6999 Also the following board and unit are connected to the analog board which inputs the vital signal NIBP amplifier board which inputs NIBP signal PCB 6836 SpO2 unit which performs SpO2 measurement MP 506 or NELL 3 Basic Composition and Wiring Diagram CN4 CPU Board Relay Board LCD Monitor 45pin 4pin 40pin Telemeter Unit 10pin Power Board 16pin 3pin CN3 CN1 CN2 CN2 CN3 C...

Page 139: ...boards and units described later and controls the whole operation Block Diagram of the CPU Board Seri CPU Flash Memory SRAM RTC Main G A DIP SW Telemeter G A CF Slot Sound Audio Amp Graphic Controller LED Board Analog Board NIBP Drive Unit LCD Speaker Telemeter Unit al Port Membrane Key Isolation Area 9 3 ...

Page 140: ...emory SRAM The memory capacity is 4Mbyte About 6 years of backup is performed by the lithium battery RTC Real Time Clock About 6 years of backup is performed by the lithium battery Sound A sound generator IC controlled by the software is used and generates alarm sound heartbeat synchronized sound key sound etc Main G A Main Gate Array The main gate array controls the membrane switch detection DIP ...

Page 141: ... connected to the NIBP amplifier board SpO2 unit and the measurement data is output to the CPU board via serial communication as with the signals from each measurement circuit Block Diagram of the Analog Board A D Converter ECG RESP Measurement Circuit Controller MPX SpO2 Measurement Circuit NIBP Sensor Board Isolation Area ECG Connector Cuff Connector SpO2 Connector CPU Board CPU Board CPU Board ...

Page 142: ...ed by impedance method which detects the thoracic movement by measuring the thoracic impedance from the ECG electrodes A weak current of high frequency is delivered between the ECG electrodes and impedance change is detected by measuring the potential difference between the electrodes using the synchronous rectification method After signal amplification and filtering the signals are A D converted ...

Page 143: ...ed on the MP 506 or NELL 3 and the measured data is output to the CPU board by serial communication via analog board General Specification of the SpO2 Unit Manufacturer Model Name Nellcor MP 506 or NELL 3 Pulse Rate 20 to 300 bpm Saturation 1 to 100 SpO2 Baud Rate 2400 4800 9600 Default 19200 Power 0 60 W at Power On 0 60 W at Sensor Connection 0 45 W at Sensor Trend Write 9 7 ...

Page 144: ...oard NIBP Drive Board Pressure Sensor 2 Cuff Connector OSC Cuff Pressure 2 Cuff Pressure 1 Error Detection CPU Board CPU Board CPU Board Circuit Explanation of the NIBP Amplifier Board Pressure Sensor 1 Pressure Sensor 2 The measured cuff pressure and pulse wave are amplified filtered and converted to digital signal through the analog board Then the signals are transmitted to the CPU The filtering...

Page 145: ...aust Valve Drive Rapid Exhaust Valve Drive Pump DC DC CPU Board NIBP Sensor Board Control Signal Drive Signal Drive Signal Drive Signal Circuit Explanation of the NIBP Drive Unit The air unit control circuit provides voltage by the PWM control and operates each block Pressure Pump Drive Circuit With the PWM control changes the pump drive voltage according to the patient type Constant Speed Drive C...

Page 146: ... Board AC 100V 50 60Hz Battery Circuit Explanation of the Power Supply Board AC DC Conversion Rectifies smoothes AC100V and converts to DC 18V and supplies the power to the CPU board Also supplies the power to the battery control part for battery charging etc Battery Control Controls the charging discharging operation of the battery Also switches the AC power operation and battery operation 9 10 ...

Page 147: ...U board PCB 6940 By the CPU board control vital signal is transmitted to the central monitor Block Diagram of the Telemetry Transmitter Unit Limiter Modulation Control Amp ANT CPU Board Amp VCO PLL TCXO Amp Transmission Control LPF CPU Board CPU Board Control Signal Control Signal 9 11 ...

Page 148: ... The oscillation is performed with a stable frequency synthesizer controlled by a temperature compensated crystal oscillator The frequency change is performed by the CPU control The data transmission speed is 7000bps of binary FSK modulation and a unique process of transmission error check is performed Timeout timer and carrier sense function are not provided 9 12 ...

Page 149: ...D Board Red LED Green LED CPU Board Circuit Explanation of the LED Board The LED board connects to the PCB 6940 CPU board Red and green LED is allocated which lights with the heartbeat or alarm generation by the CPU board control 9 13 ...

Page 150: ...9 14 Blank Page ...

Page 151: ...Printed in Japan 4R2160 200606 39 4 Hongo 3 chome Bunkyo ku Tokyo Japan Phone 81 3 3815 2121 Fax 81 3 3814 1222 ...

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