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321390_Kanograf_ (8400) - Eickemeyer Veterinary Equipment Inc.

1. 3 3 Serial Communications Specifications esesecsssecsseecsssecsseccssecessecsssccsssccsssccsssecsssecsssecsssecsuscesssecsucesuecessecesuecesscessuecesseessuecesesssees 3 3 Communication Protocols ca sica ot ettet ha RR ERROR A RIGI COTTON FH De OE TOR RR COMMUNICATION Protocol Pi siz sscsssetsecosds Communication Protocol 2 Communication Protocol 3 Serial Communication Notes Protocol 1 and Protocol 2 eecssscsseccseeccseccseecssseccseecsssecsssecssecsseecsaeeesneeesseeesaseesee 3 4 Oximeter Transmitted Data Protocol 1 ssessssscsssecsssessssecsssessssccssscesusessuecesueccsueccssecessecssuccessecessecessecessecessesssseesasecssseceaseessees 3 5 Oximeter Transmitted Data Protocol32 etin aera isti e RR UEH etel Is Eia 3 6 Oximeter Received Data Protocol 1 and Protocol 2 cesssessssecsssesssssesseccssecesseccssecessccesuccessccessccsssecessessssecessecsssecsseeessees 3 7 Serial Communication Notes Protocol 3 essssecssecseccsesccseccssecsssecsssecsssecsssecssscessccssecesseeesaecesuccessecesuecessceesuecesscessnecesesssees Slow Data Packet OMAR ioco nitet e esi si RT RIO I EO cep rettet sisti ie arie Slow Data Message fo dou Fast PC W crIe dgelqrie m M Pin Description for 71552B sisid hr ERE IRIESH OR RITE ARI TIE EEEN RIRNIHOR EO I ae IUE be J1 Power and Communication Connector J2 Oximeter
2. 4 2 Capnograph Service Manual Chapter 5 Pneumatics and CO Calibration Chapter 5 Pneumatics and CO Calibration Connecting a Non Recirculating Scavenging System Exhaust Port Figure 5 1 Connecting a Non recirculating Scavenging System Exhaust Port Connect tubing to exhaust port If desired connect a non recirculating scavenging system to the exhaust port on the monitor s rear panel as shown CAUTION When connecting a non recirculating scavenging system only use an exhaust line approved by Smiths Medical PM Inc Failure to comply may result in damage to the monitor Checking for Leaks 1 Pinch the sample line near the moisture filter connection 2 Make sure the OCCLUSION message appears in the lower left of the display If no message appears go to Chapter 8 Troubleshooting in this manual Calibrating the Capnograph Calibration ensures that the ETCO and Inspired CO measurements are accurate Calibrate the device every 30 days NOTE Use only the calibration gas canister and flow regulator supplied with or specifically intended for use with this device See Chapter 9 Supplies and Accessories in this manual for information on ordering calibration gas The device has two calibration modes Low Calibration LO CAL and Low High Calibration LO HI CAL The LO CAL process is required if a significant change in altitude occurs It is not necessary to remove the device from the patient whi
3. E Capnograph Service Manual Chapter 3 Pulse Oximetry Oximeter Received Data Protocol 1 and Protocol 2 The host system can send single character commands to the Oximeter to change the averaging values synchronize the Plethysmogram scale and offset and force the Oximeter to send the software revision level ASCII DESCRIPTION Synchronizes the Plethysmogram scale and offset to the next sample Subsequent offset adjustments will also occur when the Plethysmogram value exceeds the range 0 99 The Plethysmogram scale and offset is automatically adjusted every 256 samples Sets SpO to 4 beat average and pulse rate to an 8 second average Sets SpO to 8 beat average and pulse rate to an 8 second average default Sets SpO to 16 beat average and pulse rate to a 16 second average NENNEN GNNNEI _ E Forces Oximeter to send software revision level x xx in a 5 byte format e Byte 1 80H Byte 2 OOH for protocol 2 FFH for protocol 1 Byte 3 Ones digit ASCII Byte 4 Tenths digit ASCII Byte 5 Hundredths digit ASCII i Sets SpO to 16 beat average and pulse rate to an 8 second average Disable automatic Plethysmogram scale and offset Enable automatic Plethysmogram scale and offset Serial Communication Notes Protocol 3 Protocol 3 communicates using a method that combines two message types slow and fast Slow data packets are used to communicate commands and status messages in a bi direction
4. WARNING WARNING WARNING WARNING WARNING WARNING Do not place the monitor in the patient s bed or crib Do not place the monitor on the floor Failure to place the monitor away from the patient may allow the patient to turn off reset or damage the monitor possibly resulting in the patient not being monitored Make sure the patient cannot reach the monitor from their bed or crib If there is a risk of the AC power supply becoming disconnected from the monitor during use secure the cord to the monitor several inches from the connection Patient safety can be compromised by the use of a power supply not be supplied by Smiths Medical PM Inc Use only the power supply included with your monitor or approved by Smiths Medical PM Inc The monitor should be operated from its internal power source if the integrity of the protective earth conductor is in doubt Remove device batteries prior to long term storage When using the AC battery eliminator the Capnograph is a class Il device with functional earth This earth connection is for device electromagnetic compatibility and does not provide protection to the patient or user Do not autoclave ethylene oxide sterilize or immerse in liquid Unplug the external power supply from the monitor before cleaning or disinfecting the monitor It is the operator s responsibility to set alarm limits appropriately for each individual patient Capnograph Warnings WARNING
5. 50 100 1 steps and OFF 50 100 1 steps and OFF High OFF Low 85 45dBA 85dBA adjustable at 1 meter distance NOTE User set alarm limits will be retained through power cycles Serial Output Infrared Port compatible with MCP8850B Printer or similar device Data Format Options Capnograph Service Manual Non standard format 500 baud Text only no graphics Patient data log or trend tables Chapter 10 Specifications 10 3 Chapter 10 Specifications Power AC Power Optional See Chapter 13 Supplies and Accessories Battery Charger Battery Battery Disposal Physical Dimensions Width Height Depth Weight Environment Temperature Operation Storage Relative Humidity Operation Storage EMC Atmospheric Pressure 10 4 MoliEnergy Agency Approvals pending LI lithium lon 7 4 VDC Replaceable internal rechargeable Fully charged continuous use life of approximately 6 hours Maximum full capacity charging time is 2 5 hours The battery must be disposed of properly For more information contact your local authorities 111 mm 4 38 inches 127 mm 5 inches 73 7 mm 2 9 inches 0 63 kg 22 ounces 0 to 50 C 32 to 122 F 40 to 75 C 40 to 167 F 15 to 95 non condensing 10 to 95 non condensing As per the most recent FDA guidelines for Respiratory and Oximetry devices and EN60601 1 2 525 mmHg 10 000 feet above sea level to 795 mmHg
6. Chapter 1 Introduction CAUTION Pressing front panel keys with sharp or pointed instruments may permanently damage the keypad Press front panel keys only with your finger CAUTION Chemicals used in some cleaning agents may cause brittleness of plastic parts Follow cleaning instructions in this manual Capnograph Cautions CAUTION Do not use the device without the appropriate filter attached Use of any other filter will cause degradation in performance and or permanently damage the device CAUTION Use of monitor during continuous nebulized medication delivery will result in damage to the monitor not covered by factory warranty Disconnect the ETCO sample line from the patient circuit or power monitor off during medication delivery Notes NOTE All user and patient accessible materials are non toxic NOTE Each input and output connection of the monitor is electrically isolated NOTE Performance and safety test data are available upon request NOTE To comply with government requirements for patient monitoring the indefinite high priority alarm medium priority alarm and low priority alarm tone silence feature may not be available in monitors shipped to your country Capnograph Notes NOTE InCO j is only displayed on the message line and only if it has exceeded its alarm limit NOTE Capnograph patient attachments sample lines and filters are disposable single patient use items Use a new patient attachment fil
7. i o RES POU ACI GIN RATE eu RR SpO toptional anecdotes DI HERR ERR CHR CUN CUERO CHER ER HERES CH Re eae Peripheral Pulse Rate optional Pulse Strength optional Alarm Limits Baliges eoste ettet te ten E dea dci aeta utis A rami isste ubere us etes Serial OUEDUE iet nime Rin menda n E RU diti don E ie FPA ITO FINAN GTA snc o eren iere riter iret EET IU Te VETE sosstenasesesssssn asses aA E E eset usu E SNS Appendix iiec iati E ERE IANUE TEX GEEEEREEEEXXUEEEEEE EHE F MERE REEUEFENE YEA ERE PIE vk FE AD Parts Lists Assembly Drawings and SCHematics sssssscsssssscssseecsssseecsnseesssseesssseecsssesessseecsnseessnseeessnscessuseeesaneeessnseeesneess App 1 BCI Comfort Clip and the Smiths design mark are trademarks of the Smiths Medical family of companies The symbol indicates the trademark is registered in the U S Patent and Trademark Office and certain other countries All other names and marks mentioned are the trade names trademarks or service marks of their respective owners Capnograph Service Manual iii Table of Contents This page is intentionally left blank Capnograph Service Manual Revision History Revision History REVISION Rev 8 December 2007 Capnograph Service Manual COMMENT Added design theme frame BCI lozenge and Smiths Medical logo to front cover
8. ue acere ct rite torte reo tepe teet H PC HEEL UH e an erai i iiaa 2 3 iae gaepx edid 2 3 Analog Acquisition Citcultty crc ett ect e ea ar iR pe a las cS b deii tie utn pus 2 4 iie Valgo 2 4 Speak r Drive Circuiti Yessie P n 2 4 Isgexeepioe Em 2 5 Mal COMI ON e MM 2 5 SQM LeU LOT AC NERO EODD 2 5 Capnograph Service Manual i Table of Contents Chapter 3 Pulse OXxiMmetry siscsisscscscssscacsnsscsacssoncssassssaescsasnssassssssecsstensstecssavaccssanseassesicsesnensans O71 Product Descriptio Nissisen to piat epe ie eiua ep da e iSt Es EE RE BEER Pulse Oximetry Theory of Operation Product Specifications sescssescsssscsssecsseecssseccsecsssecsssessssecsssecsuscesseeesuscesuecesueessuecesseesuecessecssuecessceesuccsssecssscesssecsssecsssceesseesaseesaecsaseesse Data Provided to the Host System Data Provided From the Host System Protocol 1 and Protocol 2 ssescsssesssccsesseseccseesssccsseeccsecssseceseecsseeesseessaeeses 3 2 Data Provided From the Host System Protocol 3 ssecsssscsssessssecsssessseccsseecsuscesseessuscessceessscessecesscesssecsssecsssecesessaeesacecsaseeses 3 2 Power Requirements iens titus teo ibit s b Pte HEHERER S CHINE E ORUH ERE ERAR EH EY R ERN Nasar RESE EFE S SEL HEELS USE Kl Fe OPEP E EL CHR EIER 3 3 blue
9. Ba Capnograph Service Manual GT English Catalog Number 1895 Version 8 December 2007 2007 Smiths Medical family of companies All rights reserved Smiths meducaL Table of Contents Table of Contents Revision lj ee v Warranty and Service Information se ssessoessessosssessossoossossoossossoesoosssosoossoesossssosoossossossssess VIII Proprietary onem vii Warranty vii LiMited Warranty RE vii Disclaimer of Warranties rettet eire OO HSH ES ES ESOS ERN ERE tS ORI Este EBERT trek aT vii Conditions of Warranty Limitation of Remedies Wattanty Procedure oae tette dte a tme tide aUe D RC tera rU o orte ria M aei n e tenia iii CE NOCE viii Chapter 1 LtrOGUCTION visccssisssscicccaiscssacdssdccensestoccatasisccqencdcsnssendosdbacsitesesecanisssecacnanineasnniaiey LEl ABOUT TITS Manal scssscscssstcasscscacsdedechstetcbacescusecossssnssccassetdesshedasassedeassendevadaveassetsavatersdaSoqtasoasvsbasasbasattsstbshetboraisaatsidbentossuctadestatcanteaeatia Definition of Symbols Warnings Cautions and NOtes reciente certet testen eee saveovaisbstvattecscetectusscstssdtschbetdsdeulistuestesiucttalacavenucconussivaliors 1 2 General WatnllgS seccion rient reser obe E CHR
10. interface circuitry is located on the main board A series of power supply circuits to power all the above systems also reside on the board The 71552B1 oximetry board provides complete SpO capability including the sensor interface signal detection SpO and peripheral pulse rate calculation waveform data and error and status codes It is the same board that is used in the 9200 Advisor to provide SpO functionality The 71552B1 requires that the host system provide patient isolation For a more detailed description of the operation of this assembly refer to the 71552B1 theory of operation The LCD display board Smiths Medical PM Inc p n 20653B1 provides the main display for the user interface It is a 160x160 pixel LCD dot matrix display Circuitry on the main processor board interface to the display board and control the display on a pixel by pixel basis The 20651 provides an AC voltage signal for the EL backlight that is included in the PicView assembly For more information refer to the 20653B1 PicView display documentation The front panel keypad provides pushbuttons used for user input and the front panel LED indicators It is comprised of a combination of membrane switches and LED indicators fabricated on a flex circuit assembly The membrane switches are a series of normally open momentary switches The main processor board responds to the closure of each switch The LEDs located on the keypad assembly are driven by circuitry on the mai
11. 1250 feet below sea level Capnograph Service Manual Appendix Appendix Parts Lists Assembly Drawings and Schematics Assemblies drawing schematics and component information not contained in this manual are available upon request to Smiths Medical PM Inc NUMBER OF NUMBER DESCRPTION PAGES 20681A1 20681A1 20682A1 A2 A3 Capnograph Service Manual App 1 Appendix This page is intentionally left blank App 2 Capnograph Service Manual 0473 Authorized Representative as defined by the Medical Device Directive Smiths Medical International Ltd Colonial Way Watford Herts WD24 4LG UK Australian Representative Smiths Medical Australasia Pty Ltd 61 Brandl Street Eight Mile Plains QLD 4113 Australia Phone 44 1923 246434 Fax 44 1923 240273 Tel 61 0 7 3340 1300 m Manufactured By Smiths Medical PM Inc Patient Monitoring and Ventilation N7W22025 Johnson Drive Waukesha WI 53186
12. Probe Connector csessssseccsseccssscsssecsssccsusecssscesuecessecessccessecessecesscesssecessecsssecsssesssscesasecssseesaecsueecsaseesaeeesaeeeses Jumper Settings for 71552B1 Board icti irte e EH REN OYHEO WESS MEER G3 REIHE QU EVERY SIDrolcc Checking the Oximeter s Performance ssesccsssseccssssecssseecssnseccsnsesessnseessssceessseeessuseessnseeesssseessnscessusecessnseeesnsceesnsecesnneecensseeesnsess Demonstration SOftWare ico eto en tepidis eaim etian ael aes Chapter 4 CO Theory of Operation ceres eere eee eese eere ee eene see essseeessseesssseessesessses 4 1 Bs dieeicupme 4 1 Measuring io p 4 1 Measuring Respiration Rate rccte tintas sarre iesnas ss R SEIS pire TSi as reisa ee etico Esasi 4 1 IN5O GON PG MSAUl ON e e 4 1 Chapter 5 Pneumatics and CO Calibrationn ccccsccccsssssssccsscssscccsscssssccsssssssscsscssssees D Connecting a Non Recirculating Scavenging SYStEM ccssessccsseseccseesecsseccssseecsssscecssseeessssecssuseeesnueecsssseessnseeessneessnseeesneeeees 5 1 Checkirig for Eeaks iieri t tyr erre ebeg E A UESTRE EATEN THREE SEU ES eV EFE Pe Eee UR 5 1 Calibrating the Capnograph w ssscsssescssessessssecsssesccssssecsnscesssseecsssseesssseesssnseessnseessssecssuseecsuseeessnseessuseessnsessssse
13. Service Manual 3 11 Chapter 3 Pulse Oximetry Sensors Choose the appropriate sensor from the following chart PATIENT CAT NO amp DESCRIPTION Adult Finger 3044 Sensor Adult reusable gt 45 kg 3444 Sensor Comfort Clip reusable Finger or Toe 3043 Sensor Universal Y reusable 1300 Sensor Adult disposable Q 3078 Sensor Ear reusable Pediatric 3044 Sensor Adult reusable gt 20 kg 15 45 kg 3444 Sensor Comfort Clip reusable 3178 Sensor Pediatric reusable 5 45 kg Finger or Toe 3043 Sensor Universal Y reusable 1301 Sensor Pediatric disposable EA 3078 Sensor Ear reusable Hand or Foot 3043 Sensor Universal Y reusable Toe 3025 Sensor Wrap Infant reusable Finger or Toe 1303 Sensor Infant disposable Q Small Infant Hand or Foot 1302 Sensor Neonate disposable Q lt 3kg Foot 3026 Sensor Wrap Neonate reusable The BCI 1302 and 3026 oximetry sensors should not be used on neonatal patients with the Capnograph monitor Testing has not been conducted for the Capnograph for patients less than 30 days old These sensors may however be used on older patients Checking the Oximeter s Performance Pulse oximeters do not require user calibration If checking the function of the device is desired an optional Oximetry ECG Patient Simulator SMPM catalog number 1606 is available as an accessory The simulator attaches to the oximeter in place of the
14. an output voltage that is proportional to the concentration of CO in the sample cell Sample cell barometric pressure is provided with an on bench pressure sensor Sample cell temperature is provided with an on bench temperature sensor The CO bench also includes an on bench EEPROM that contains factory calibration values These values are read by the Capnograph at power up The EECS EECLK EEDAT signals are used to communicate with the bench EEPROM Raw CO pressure and temperature values are manipulated with the EEPROM constants to provide calibrated CO Pressure and temperature values Capnograph Service Manual 2 3 Chapter 2 Product Description Analog Acquisition Circuitry The raw CO signal that is provided by the COMET bench is amplified with a non inverting amplifier stage with a gain of 6 2 The temperature and pressure signals do not have any gain circuitry in the signal path The analog signals produced by the bench and amplifier circuitry are converted to digital codes with a 12 bit 4 channel A D converter The converter is also driven with a 4 096V voltage reference This combination provides a conversion factor of 1 bit mV of input signal for each channel Display Interface The display controller circuitry utilizes the S MOS SED1335 Display controller This controller uses an 8 bit data bus along with several control signals and an address line from the processor The controller uses a 10 MHz crystal to generate its system
15. depending on the country Recycling instructions to customers using Smiths Medical products are published on the internet at http www smiths medical com recycle Disposal other countries When disposing of this device its batteries or any of its accessories ensure that any negative impact on the environment is minimized Contact your local waste disposal service and use local recycling or disposal schemes Separate any other parts of the equipment where arrangements can be made for their recovery either by recycling or energy recovery The main batteries are potentially harmful and will require separate disposal according to manufacturer s instructions or local regulations Note If applicable EU national or local regulations concerning waste disposal must take precedence over the above advice Warnings Cautions and Notes KEYWORD DEFINITION WARNING Tells you about something that could hurt the patient or hurt the operator CAUTION Tells you about something that could damage the monitor NOTE Tells you other important information General Warnings WARNING Do not use this device in the presence of flammable anesthetics WARNING Refer servicing to qualified personnel ELECTRICAL SHOCK HAZARD when cover is removed Unit not user serviceable WARNING Do not use this device in the presence of magnetic resonance imaging MR or MRI equipment WARNING Operation of this device may be adversely affected in the pres
16. in the monitor Evidence that liquid has been allowed to enter the monitor voids the warranty CAUTION Before cleaning or disinfecting the Martel MCP8850B printer unplug the AC adapter remove the batteries and remove the paper CAUTION Should the device become wet wipe off all moisture and allow sufficient time for drying before operating Clean the surfaces of the monitor and the accessories with a soft cloth moistened in a mild soap solution If disinfecting is required wipe the surfaces with isopropyl alcohol then wipe with a water moistened soft cloth CAUTION Before cleaning the unit ensure the monitor is off and the mains power cord is disconnected CAUTION Do not allow liquid to enter the case or submerge any part of the system Allow components to dry thoroughly before reconnecting system to AC power The LCD and all external surfaces may be cleaned with a mild diluted soap solution and a damp soft cloth Do no use solutions which contain chlorine ammonia fluoro carbons or hydro carbons Do not us abrasive cleaners or high fiber wipes that may scratch the surface Do not allow cleaners to remain on the system surfaces wipe off immediately CAUTION Chemicals used in some cleaning agents may cause brittleness of plastic parts Follow cleaning instructions in this manual Capnograph Service Manual 7 1 Chapter 7 Routine Maintenance Maintenance Chart Battery The monitor s surfaces SpO sensors Capnograph
17. patient attachment Moisture filter Capnograph calibration Pneumatic system Calibration gas canister ACTION INTERVAL When LOW BATTERY message is displayed After continuous use under battery power Inspect and change patient site Clean or disinfect Discard the capnograph patient attachment Discard and replace the moisture filter Perform a Low High calibration Check pneumatic system for leaks Discard and replace the calibration gas canister Every 4 hours When attaching a new patient When finished monitoring the patient The capnograph patient attachments are disposable single use items When the patient attachment becomes occluded or has an air leak The moisture filter occludes when it is full After replacing the moisture filter and Capnograph patient attachment At least once every two weeks When the gas pressure reading is 20 psi or less as shown on the flow control valve s pressure gauge CAUTION Follow local governing ordinances and recycling instructions regarding disposal and recycling of device components Long Term Storage WARNING Remove the device batteries prior to long term storage Storage Facility Indoor Temperature Relative Humidity Periodic Inspection Special Procedures 40 to 75 C 40 to 167 F 10 to 95 96 non condensing None required Store the monitor and accessories in the original packing materials and shipping cart
18. sensor or oximetry cable It provides a known SpO and pulse rate signal to the oximeter This allows the oximeter s performance to be checked NOTE The 1606 Oximetry ECG Patient Simulator does not calibrate the monitor the monitor does not require calibration The 1606 provides a known SpO and pulse rate to the monitor that allows you to check the monitor s performance NOTE The 1606 Oximetry ECG Patient Simulator cannot be used to assess the accuracy of a pulse oximeter and or sensor NOTE N Follow the instructions included with the 1606 Oximetry ECG Patient Simulator 3 12 Capnograph Service Manual Chapter 3 Pulse Oximetry Demonstration Software Smiths Medical PM Inc provides PC software for demonstration purposes only The intent is to allow the OEM customer to quickly become familiar with the operation of the Oximeter board This software is NOT be used in any product for sale This circuit shown below for interface to a PC for demonstration purposes is for evaluation only and is to be used with an SpO simulator Do not connect directly to a patient without proper patient isolation Command line help is given if no command line options are used for OEM EXE or ADV EXE PROT3 EXE is a Windows based program with a menu driven user interface DEMONSTRATION SOFTWARE Protocol 1 OEM EXE Protocol 2 ADV EXE Protocol 3 PROT3 EXE The 71552 Oximeter board can be connected to your PC through a custom power communication int
19. step 2 Otherwise STOP is shown and you must select STOP to halt the current output before the serial output data settings can be changed 6 2 Capnograph Service Manual Chapter 6 Printer Output To change the data format Patient Data or Trend Tables 1 Use the ARROW A or WV keys to point to the Format item then press MENU ENTER A 2 Use the ARROW AW or W keys to switch between formats When the format changes the menu item below it changes If Patient Data is selected the menu item displayed below it is Interval 36 98 4 mmHg STOP PRINT OUTPUT gt gt Printing Patient Data Interval 15 seconds EXIT 14 651 Figure 6 5 Printing Patient Data Status Menu If Trend Tables is selected the menu items below are Time Span and Interval 36 98 A i Fi mmHg STOP PRINT OUTPUT gt gt Printing Patient Data Interval 15 seconds EXIT 14 651 Figure 6 6 Priority Trend Table Status 3 Press MENU ENTER 2 to accept the selection To change the output interval or trend time span 1 Use the ARROW A or W keys to point to Interval for Patient Data Format or Time Span for Trend Tables format then press MENU ENTER A Use the ARROW A or WV keys to change the value Press MENU ENTER 2 to accept the selection w N 4 When the output format has been set select START to enable the serial output At this point the START field will change to STOP and th
20. the second serial channel can be routed to provide data logging through the serial channel Capnograph Service Manual 2 5 Chapter 2 Product Description This page is intentionally left blank Capnograph Service Manual Chapter 3 Pulse Oximetry Chapter 3 Pulse Oximetry Product Description The BCI 71552B1 Pulse Oximeter Board from Smiths Medical PM Inc enables easy OEM integration for fast reliable SpO and Pulse Rate measurements on any patient from neonates to adults Serial communication at 4800 9600 or 19 200 Baud provides the host system with 96SpO Pulse Rate Signal Strength Bargraph Plethysmogram and Status Bits data The host system can send commands to control the averaging rates synchronize the Plethysmogram waveform and request the Oximeter software revision level The 71552B1 Pulse Oximeter has a compact size of 8 9 cm 3 5 inches wide by 5 1 cm 2 0 inches deep by 1 3 cm 0 5 inch high An assortment of compatible Oximeter probes and patient attachments are available through Smiths Medical PM Inc Inspect all patient cables leads and sensors for general condition Should they exhibit signs of excessive wear or damage please replace Pulse Oximetry Theory of Operation The pulse oximeter determines SpO and pulse rate by passing two wavelengths of low intensity light one red and one infrared through body tissue to a photodetector Information about wavelength range can be especially useful to clin
21. 10 CO Waveform data updates at 24 Hz using a sliding erase bar to pro vide sweep speeds Numerical data and messages are updated at 1 Hz Sp0 pulse strength bar and the breath indicator update at 60 Hz 2mmHg or 4 of reading whichever is greater lt 0 3 vol CO 24hrs 325ms average 2 140s average 2 465s average 3 minutes typical selectable 40 default OFF 4 breath average 120 20 ml min Accuracy specification for respiration rates less than 50 breaths per minute ETCO specification for 51 80 breaths per minute is 10 of reading and for 81 150 breaths per minute is 20 of the reading Respiration Rate Range Accuracy Averaging Display Update Rate Capnograph Service Manual 0 150 breaths min 1bpm 4 breath average 1 Hz for Respiration value 10 1 Chapter 10 Specifications SpO optional Range 0 100 SpO functional Accuraeys 2 at 70 100 SpO 3 at 50 69 SpO gt Averaging 8 beats Pulse Tone Pitch corresponds to SpO value Value adjustable or OFF Display Update Rate 1Hz for SpO value 60Hz for waveform Sensor Red 660nm 2 0 mW Infrared 905 nm 2 0 2 4 mW Calibration Factory calibrated over 5096 to 10096 using human blood samples to functional saturation Test methods available upon request No in service calibration required Because pulse oximeter measurements are statistically distributed only about two thirds of pulse oximeter equipment can be ex
22. Added Smiths design mark to trademark statement Updated Warranty and Service Information section Changed Warranty from one year to two years to match operation manual Added Australian Representative to Warranty section and back cover Added About this Manual section to Chapter 1 Added WEEE Recycling instructions in symbol table in Chapter 1 Updated warnings cautions and notes to match operation manual Updated Oximetry Theory of Operation and sensor chart in Chapter 3 Updated email address Updated parts list in Chapter 9 Moved Specifications section to its own chapter Chapter 10 Added desat study information to SpO2 Accuracy spec in chapter 10 Added volume spec to Audible Alarm Indicators spec in Chapter 10 Added Atmospheric Pressure spec to Environment Specs in Chapter 10 Updated format of Parts List Assembly Drawings and Schematics Appendix Added company address and phone number to back cover Revision History This page is intentionally left blank vi Capnograph Service Manual Warranty and Service Information Warranty and Service Information Proprietary Notice Information contained in this document is copyrighted by Smiths Medical PM Inc and may not be duplicated in full or part by any person without prior written approval of Smiths Medical PM Inc Its purpose is to provide the user with adequately detailed documentation to efficiently install operate maintain and order spare parts for th
23. Fast data messages are always four bytes in length Every fast data message is transmitted with the following format DATA DESCRIPTION FORMAT DLE 0x10 Message Identifier 1 ASCII character 2 bytes Fast messages can occur at any time including during the transmission of slow data packets When sent during a slow packet transmission they do not affect the length of checksum of the slow packet There are three valid fast data messages SpO and Pulse Rate Values are sent once per pulse 1st data byte is SpO value 2nd data byte is pulse rate value Pulse waveform and pulse bargraph values are sent at the programmed waveform rate 1st data byte is pulse waveform from 0 to 255 2nd data byte is pulse bargraph from 0 to 16 T Full scale 16 bit pulse waveform values are sent at the programmed waveform rate 1st byte is the LSB 2nd byte is the MSB Data values range from 0 to 65535 Capnograph Service Manual 3 9 Chapter 3 Pulse Oximetry Pin Description for 71552B1 J1 Power and Communication Connector DESCRIPTION GND GND nD ND en J2 PIN SMITHS MEDICAL PM INC DB9 PIN 01 28 Stele Ke ae p Orange 10 Shield Ls Ss je 6 p 3 10 Capnograph Service Manual Chapter 3 Pulse Oximetry Jumper Settings for 71552B1 Board Jumper Settings are used to select communication modes JUMPER J3 1 JUMPER J3 2 JUMPER J3 3 UP pe AT m 5 um I 321 JUMPER 3 Capnograph
24. Fere rro PH eX EFE PEL D PNE A O 1 2 Caprhograph Wari GS e e eesayaveetauntsaaatntodechavtensautensaeassiausecte 1 4 Oximeter WarMithgS svsscisssnsccesscvsssssscaseacsacusves 1 4 Generali CAUTIONS AAE EEEE EA AEAT A EA A EE 1 5 Capnographi CAUtlOnsisssscccsscassasssssccasaschassesievessctassasasentasencosdshvevesodscesssotasisebavabssdstaptesaia eda eH EVE EU taa aipa e aiaa 1 6 NOt Sionin easa a ieii tvesucataniyastasu ti ESU ILSE EEEN ea TEV N EES TEKENET coatsatewsils ENEE ANES NEESS 1 6 Nola rele L 1 PH NOLES AIE ED 1 6 Oximeter NOLES a scsescsescscscesssctistesazesscosentscasosctaecosacedadesssnszestusesssburevincesecsdedegagebacgoneasansucesssosuceddesiesasesissedssbusaqsecsasstiebngasebacoassdasaponstaeeoasee 1 6 Chapter 2 Product DescriptiOn sisisscnscsncssnsvenenasssonssancsosensasnsncssonsossneensssncessahossosuenspeneisnaissne Z JacieRHmHi e A A E E E E EE E E 2 1 C ICIBPrcisemee e 2 1 20652B1 Main Processor BOAN sasssssscsscsosssscsasssssecssssssssssesssassezsonsosossscossecossssssacobasedssscsasstesactnssd asssesssacsazsonsnasssscoadtenastesssasodstestascbusi 2 2 Mol ieiUefe e n 2 2 Microprocessor and Memoty c reete entere E Ede Neve UR 2 3 External Timer Circuitry Printer Interface aede ioter Riesen tede icones iu e od dE SERE OEE AE aE Ep ot a E ERR Front Panel Irterface
25. WARNING WARNING WARNING Pump motors in the C0 monitor may adversely affect other medical equipment e g ECG tracings The presence of anesthetic agents may cause CO readings to deviate beyond specified tolerances This monitor is not for use as an apnea monitor The capnography parameter of this monitor is not for use on Neonates Oximeter Warnings WARNING WARNING WARNING WARNING Failure to carefully route the cable from the sensor to the monitor may allow the patient to become entangled in the cable possibly resulting in patient strangulation Route the cable in a way that will prevent the patient from becoming entangled in the cable If necessary use tape to secure the cable Use only SpO sensors supplied with or specifically intended for use with this device Incorrectly applied sensors may give inaccurate readings Refer to the sensor insert for proper application instructions Prolonged use or the patient s condition may require changing the SpO sensor site periodically Change sensor site and check skin integrity circulatory status and correct alignment at least every 4 hours Capnograph Service Manual WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING General CAUTION CAUTION CAUTION CAUTION Chapter 1 Introduction When attaching SpO sensors with Microfoam tape do not stretch the tape or attach the tape too tigh
26. WARNING Under certain clinical conditions pulse oximeters may display dashes if unable to display SpO and or pulse rate values Under these conditions pulse oximeters may also display erroneous values These conditions include but are not limited to patient motion low perfusion cardiac arrhythmias high or low pulse rates or a combination of the above conditions Failure of the clinician to recognize the effects of these conditions on pulse oximeter readings may result in patient injury Product Specifications Data Provided to the Host System SpO gt Range Accuracy Pulse Rate Range Accuracy Signal Strength Bargraph Plethysmogram Flags Software Revision Serial Communication Logic Levels 0 100 2 at 70 100 SpO 3 at 50 6996 SpO2 30 250 BPM 2BPM at 30 250 BPM 0 8 Protocol 1 and Protocol 2 0 15 0 16 for Protocol 3 0 100 auto gained for highest resolution 8 bit and 16 bit waveforms available Pulse Beep No Finger in Probe Probe Unplugged Searching for Pulse Searching Too Long transmitted upon request TTL voltage levels Data Provided From the Host System Protocol 1 and Protocol 2 SpO Averaging Value Pulse Rate Averaging Value Plethysmogram scale and offset 4 8 or 16 beat averaging default 8 beat 8 or 16 second averaging default 8 second Synchronized by Host or Performed Automatically Data Provided From the Host System Protocol 3 Se
27. age CALIBRATION COMPLETE appears close the flow control valve of the calibration gas canister disconnect the calibration test fixture and exit all menus Turn the device off by pressing the OFF ON 96 key twice to ensure the calibration data is saved An unsuccessful calibration procedure causes an error message to appear Operation resumes using the old calibration data Refer to Capnograph Messages in Chapter 7 of the Capnograph Operation Manual for further instructions 5 2 Capnograph Service Manual Chapter 6 Printer Output Chapter 6 Printer Output Printer Setup Figure 6 1 Printer Setup The Capnograph communicates to the Martel MCP8850B printer through the infrared serial port Align the infrared serial ports as shown in the above illustration Optimal distance from port to port is 4 6 inches When Capnograph and printer are properly aligned proceed to the Printer menu on the Capnograph WARNING When connecting to or communicating with this monitor verify proper operation before clinical use Refer to the instrument s user manual for full instructions Accessory equipment connecting to or communicating to the monitor s data interface must be certified according to the respective IEC standards i e IEC 950 for data processing equipment or IEC 601 1 for electromedical equipment All combinations of equipment must be in compliance with IEC 601 1 1 systems requirements WARNING IEC 950 approved equipment inclu
28. al manner between the module and the host system Fast data packets are used to send pulse and waveform data in a timely manner from the module to the host Slow data packets can contain more than one message Fast data packets always contain only one message Slow Data Packet Format Every slow data packet is transmitted with the following format DATA DESCRIPTION FORMAT STX 0x02 Message Length 2 ASCII characters Reserved Byte 0x20 Slow Data Messages 2 ASCII characters Checksum The message length is in hex notation and has a max value of FF 255 The length is just the length of the data messages It does not include the reserved byte or the checksum The checksum is determined from the message length bytes reserved byte and data message bytes It is the 2 s complement of the modulo 256 sum of the bytes expressed in hex form Capnograph Service Manual 3 7 Chapter 3 Pulse Oximetry Slow Data Message Format The contents of the slow data packet is made up of multiple slow messages The slow message format is Message Identifier Data Length 2 ASCII characters variable length The following messages are supported in the BCI 71552B1 Oximeter From the Oximeter Poo Pulse Searching transmitted every V4 second when active Pulse Searching Too Long transmitted every 10 seconds when active Probe Off transmitted every second when active Waveform Rate W00 command response xx is the current wa
29. byte 1 and bit 4 of byte 3 No Finger in Probe Chapter 3 Pulse Oximetry Oximeter Transmitted Data Protocol 2 Data is transmitted from the Oximeter board to the Host in 8 byte packets The baud rate is 19 200 baud The checksum is a 14 bit number specified as a 2 5 complement of the sum of the first 6 bytes of the data packet BYTE BIT DESCRIPTION a o signalstrengtho _Jsignat strength 2 Sewisumnghz ENS LETT 77 ON EENMERCRBU 7 RN 7 igre bin o etysmogamo Petwsmogami 2 Pethysmogram2 3 etysmogams 4 Penmon 5 metysmogams P Petysmogams 7 eemese 3 s Seega es meme O 2 semen je 1 2 no finger in probe or probe anp uaea See 6 Rate 7 seebytea 7 POGynbt 4 0 sync bit BYTE DESCRIPTION Ce 3 sos y O 4 so4 oo 5 sos EN CNN 2 3 4 5 00 4 beat average SpO 8 beat average Pulse Rate 01 8 beat average SpO 8 beat average Pulse Rate 10 16 beat average SpO 16 beat average Pulse Rate 11 16 beat average SpO 8 beat NR Pulse Rate dH ess 4 re nevsiontevernepy 5 jue CS e 1 isabie auto meth Saing 7 seso 7 9 5 eedsmsiso e 7 Jovynebm S s o s cedsmss 3 7 eemss
30. cal PM Inc service REQUIRED appears at representative startup NEW CO2 SENSOR New CO sensor or new software Contact Smiths Medical PM Inc service appears at startup installed representative BENCH ERROR The CO Bench is not working Contact Smiths Medical PM Inc service appears at representative SPO2 ERROR appears at The Oximeter board has failed Contact Smiths Medical PM Inc service startup representative User settings lost reset to User data has been corrupted and reset Update any applicable user setting through the default to factory defaults menu structure CAUTION The monitor should be operated from its internal power source if the integrity of the protective earth conductor is in doubt Capnograph Service Manual 8 1 Chapter 8 Troubleshooting Troubleshooting the Occlusion Low Priority Alarm Most occlusions are automatically cleared within a minute If occlusion cycles occur frequently or the occlusion low priority alarm persists use the following chart to find and repair the problem Disconnect the patient attachment from the moisture filter on the device Replace the patient attachment Did the occlusion alarm stop and moisture filter Remove the moisture filter Perform a leak test from the monitor Replace the moisture filter Does the occlusion alarm stop Perform a leak test Call authorized repair center Repairs of Smiths Medical PM Inc devices under warrant
31. clock One timer channel is used to generate the Microchip PIC clock The second channel is used to generate the speaker tone The third channel is used to generate the display synchronization signal to the processor Printer Interface The interface to the Martel MCP8850B thermal printer is provided by the PIC12C508 microcontroller The PIC receives serial characters from the 68HC812A4 and converts them into the communications format that the Martel printer requires The output of the PIC drives a transistor that boosts the current drive for the IR LED Front Panel Interface The front panel keyboard assembly connects to the main circuit board via J4 and J14 The keyboard includes switches for ON OFF Waveform Select Alarm Silence Menu Enter Up and Down keys Each of the keys on the keypad are normally open momentary single pole switches The assembly also contains 3 LEDs for displaying ETCO alarm SpO alarm and external power connection The circuitry on the main circuit board drives the LEDs at the proper current levels P channel FETs are used to drive the LEDs The control signals that drive the FET gates are active low signals The circuitry surrounding the switch and LED drive connections protect the main board from potential static discharge that is possible through the keyboard COMET CO Sensor Bench The main CO sensor for the Capnograph is the COMET CO bench manufactured by Treymed formerly CPT Inc The bench produces
32. clock This provides the maximum throughput to the display The graphics controller uses a 32Kx8 SRAM chip for its display memory This memory is separate from the RAM used by the 68HC812A4 This configuration allows refresh of the display without affecting main processor bandwidth The host interface to the graphics RAM is through the display controller The host sends a command to the controller for accessing the display RAM The controller then writes reads the data to from the host processor This graphics access reading writing process is tightly controlled in software to avoid pixel flicker on the display The following signals make up the display controller interface to the LCD panel connections XDO to XD3 are the 4 bit X driver column drive data outputs These outputs are connected to the inputs of the X driver chips XSCL latches the data on XDO to XD3 into the input shift registers of the X drivers on its falling edge To conserve power this clock halts between LP and the start of the following display line LP latches the signal in the X driver shift registers into the output data latches LP is a falling edge triggered signal and it pulses once every display line The LP is connected to the external interrupts through a logical NAND gate The NAND gate s other input is used to mask off on the interrupt when used in conjunction with the processors NMI input WF is the LCD panel AC drive output The WF period is selected to be one
33. d the SpO daughter board The 5V provides the input for an adjustable negative power supply The range of the negative supply is 5V to 15V This voltage is required for the LCD display and the voltage controls the contrast of the LCD display The output voltage of this switching regulator is controlled by the LCDCK and LDIR signals This negative voltage is linearly regulated to 5V with a linear voltage regulator This voltage is required by the SpO board 2 2 Capnograph Service Manual Chapter 2 Product Description Microprocessor and Memory The Motorola 68HC812A4 processor provides a low power fully integrated solution to the overall design of the Capnograph The 68HC812A4 is run in 16 bit wide mode which means that instructions are fetched 16 bits at a time A single 16 bit wide Flash memory device is used to store program code trend data and non volatile setup information A single 16 bit wide static RAM KM164000B is used for program data space The 68HC812A4 generates its own chip selects and bus timing signals An on board 8 bit A D converter is used to convert ambient light and battery voltages The 68HC812A4 has an on chip background debugger capability that is used for code development and test The background debug pins are located on connector J7 External Timer Circuitry Three channels of digital timer functionality are provided with the uPD71054L timer chip The timer chip clock input is driven by the 68HC812A4 E
34. ding the Martel MCP8850B printer must be placed outside of the patient environment The patient environment is defined as an area 1 5m 4 92 feet from the patient va P Figure 6 2 Patient Environment Capnograph Service Manual 6 1 Chapter 6 Printer Output Printer Menu The Printer menu allows the user to select a data format for output to the infrared serial port as well as select the output interval and or the amount of data to send This data can be output to a compatible printer 36 98 4 mmHg STOP PRINT OUTPUT gt gt Printing Patient Data Interval 15 seconds EXIT 14 651 Figure 6 3 Printer Output Menu Patient Data START STOP Select this to enable disable serial output If no output is currently in progress this shows START If output is in progress this shows STOP Data Format Shows data output format PATIENT DATA or TREND DATA Interval Shows the amount of time between data log outputs Printer Output The serial output data format and output interval or amount can be changed only if no print output is in progress To change the data format selection 36 98 di A Fi mmHg START PRINT OUTPUT Format Trend Tables Time Span 1 hour Interval 30 sec EXIT 14 65 Figure 6 4 Printer Output Menu Trend Tables Select Printer from the Main Menu If START is displayed then no print output is currently in progress so proceed with
35. e device supplied All information contained in this document is believed to be current and accurate as of the date of publication or revision but does not constitute a warranty Warranty Limited Warranty Smiths Medical PM Inc Seller warrants to the original purchaser that the Product not including accessories shall be free from defects in material and workmanship under normal use if used in accordance with its labeling for two years from the date of shipment to the original purchaser Seller warrants to the original purchaser that the reusable oximeter sensors supplied as accessories shall be free from defects in materials and workmanship under normal use if used in accordance with its labeling for one year from the date of shipment to the original purchaser USA only Disclaimer of Warranties THE FOREGOING EXPRESS WARRANTY AS CONDITIONED AND LIMITED IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES WHETHER EXPRESS OR IMPLIED BY OPERATION OF LAW OR OTHERWISE INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Seller disclaims responsibility of the suitability of the Product for any particular medical treatment or for any medical complications resulting from the use of the Product This disclaimer is dictated by the many elements which are beyond Seller s control such as diagnosis of patient conditions under which the Product may be used handling of the Product a
36. e message Printing will be displayed in the menu area 5 Select EXIT or press WAVE TREND G2 to exit menus If serial output is in progress exiting menus will not stop it Capnograph Service Manual 6 3 Chapter 6 Printer Output To STOP serial output 1 Select Printer from the main menu 2 Select STOP if it is shown Output Examples Patient Data A real time Patient Data sample is output through the infrared port one table per output interval The time interval between tables is selected in the Printer menu Each line of text in the patient data table ends with a carriage return line feed Sample Output including optional oximetry PATIENT DATA Sample Interval 15 secs Relative Time 00 00 15 ETCO2 28 mmHg inco2 03 mmHg Resp Rate 06 rpm SpO2 98 SpO2 Pulse 74 bpm 40 N20 Comp No Trend Table Data Trend data is output in tabular text format one table per trend data record starting at the oldest record The number of records printed depends on the time span selected in the Printer menu For example if Time Span 2 hours then two hours of accumulated trend data records will be printed Each line of text in the trend tables ends with a carriage return line feed Each new block of many trend data records has the following title information Sample Output including optional oximetry TREND DATA Sample Interval 15 secs Time Span 1 min Relative Time 00 50 15 ETCO2 28 mmHg inco2 03 mmHg R
37. ence of computed tomograph CT equipment WARNING Do not plug the monitor into an outlet controlled by a wall switch 1 2 Capnograph Service Manual WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING Chapter 1 Introduction This monitor is not for home use This monitor is not intended for use in Sleep Study environments This device is intended for use by persons trained in professional health care The operator must be thoroughly familiar with the information in this manual before using the monitor This device must be used in conjunction with clinical signs and symptoms This device is only intended to be an adjunct in patient assessment If the accuracy of any measurement is in question verify the patient s vital sign s by an alternative method and then check the monitor for proper functioning Any monitor that has been dropped or damaged should be inspected by qualified service personnel prior to use to insure proper operation Operation of this device may be adversely affected in the presence of conducted transients or strong EM or RF sources such as electrosurgery and electrocautery equipment x rays and high intensity infrared radiation When connecting to or communicating with this monitor verify proper operation before clinical use Refer to the instrument s user manual for full instructions Accessory equipment co
38. erface board A sample schematic which could be used for the PC interface is shown below 5V ANA SV_ ANA 5V DIG 1 O O O EXTERNAL POWER PERSONAL COMPUTER RS 232 PORT Capnograph Service Manual 3 13 Chapter 3 Pulse Oximetry This page is intentionally left blank 3 14 Capnograph Service Manual Chapter 4 CO Theory of Operation Chapter 4 CO Theory of Operation Theory of Operation Measuring CO The device draws a sample of gas through the sample chamber A light source shines infrared IR light through an optical bandpass filter and then through the sample chamber An IR detector responds to the amount of IR light that passes through the sample chamber Because CO absorbs IR light at a specific wavelength the amount of light passing through the sample chamber varies according to the concentration of CO in the sample chamber When there is a high concentration of CO in the sample chamber the detector senses a smaller amount of light than when there is a low concentration of CO gt The device computes the partial pressure of CO STPD standard temperature pressure dry based on measured levels of IR light intensity The ETCO measurement is shown as an average of 4 breaths CAUTION Pump motors in the CO monitor may adversely affect other medical equipment e g ECG tracings Measuring Respiration Rate The device uses the continuous CO waveform to detect each breath cycle It uses a
39. esp Rate 06 rpm SpO2 98 SpO2 Pulse 74 bpm 6 4 Capnograph Service Manual Chapter 7 Routine Maintenance Chapter 7 Routine Maintenance Charging the Battery Charge the battery after the monitor is used under battery operation when the LOW BATTERY message is displayed or after long term storage Remove the battery from the device Place the battery in the external charger unit Verify the green CHARGING LED is lit After 2 5 hours the battery is fully charged indicated by the CHARGE COMPLETE LED To ensure continuos use of the Capnograph with battery power the purchase of a second battery is recommended Please refer to Chapter 13 Supplies and Accessories in the Capnograph Operation Manual for more information CAUTION The monitor contains a 6 hour Lithium lon battery If the battery fails to hold a charge or otherwise becomes inoperable the battery should be replaced and the old battery should be disposed of properly Consult local officials for information about the proper disposal of the Lithium lon battery Smiths Medical PM Inc cannot dispose of monitor batteries Cleaning and Disinfecting CAUTION Do not immerse the monitor or any of its accessories in liquid Do not autoclave or ethylene oxide sterilize the monitor or any of its accessories Unplug the external charger before cleaning or disinfecting the monitor or its accessories CAUTION Do not allow isopropyl alcohol or water to enter any of the openings
40. essnseessuneeesaneessneeeees 5 1 LOW Cali Drath om eL 5 2 OW dw To Ft CAI aO ee 5 2 ii Capnograph Service Manual Table of Contents Chapter 6 Printer OUt put M IEEE UT o EE AEA AE A AI AOTEA E E EE E A AE Printer MENU ee iin EAE U n Ut E E E EE Output Examples Patient Pri Charging the Battery Cleaning and Disinfecting uctor npe esaet dra PEDE or ER Cen a c Den pr EE 7 1 El ncnEpIeirliceet E ia a E 7 2 opere RR 7 2 Performance and Safety Checks eo pies ten tai E RHENO DO DOR GN RIDE UR OE ei I n iH ai lispecting TH Syster ENTER Cables and Cords Flow Controller with Gauge Yearly Flow Rate Test Chapter 8 Troubleshooting ccce eene eene eere eee eee een eese ee eoss esee sessoseeeeessseeeesesseeees On T Troubleshooting the Occlusion Low Priority Alarm ssessssssssccsssescsssescsssesessseecsssseecssseeessseccsssesssssesssuseecsssesesssseecnnseessnseessate 8 2 Chapter 9 Supplies and Accessories cene e eee eere ee eee eene ee eese esee eessseseesessseees J T Ordering INFORMA OM e 9 2 Chapter 10 Specifications ssosesssooessssocesssoocessooocessooocessoocesssoocessssoeessosocssssosessssssesssssesss 10 1
41. et 10 pkg Capnograph Service Manual 9 1 Chapter 9 Supplies and Accessories CAT NO DESCRIPTION QTY 8061 Calibration Gas Flow Regulator 8208 Gas Manifold Filters 10 pkg 8211 CO Sample Line 1 2 m 4 feet 10 pkg 8214 Patient Attachment kit 1100 8211 8208 10 pkg each The BCI 1302 and 3026 oximetry sensors should not be used on neonatal patients with the Capnograph monitor Testing has not been conducted for the Capnograph for patients less than 30 days old These sensors may however be used on older patients Ordering Information For ordering information contact your local distributor or the Smiths Medical PM Inc customer service department Smiths Medical PM Inc Phone 262 542 3100 N7W22025 Johnson Drive Toll Free 800 558 2345 Waukesha WI USA 53186 1856 Fax 262 542 0718 e mail address info om smiths medical com 9 2 Capnograph Service Manual Chapter 10 Specifications Chapter 10 Specifications Capnograph Display Measurement Calibration Measurement Range Display Range Display Update Rate Accuracy Stability Rise Time Delay Time System Response Time Time from power on to accurate readings N20 Compensation Averaging Flow Rate LCD with electroluminescent EL back light 160 X 160 pixels 38 4 cm2 62 x 62 mm Non Dispersive IR absorption Manual 2 point 0 10 CO STPD standard temperature and pressure dry 0 100 mmHg 0 13 3 kPa 0
42. fter it leaves Seller s possession execution of recommended instructions for use and others Conditions of Warranty This warranty is void if the Product has been altered misused damaged by neglect or accident not properly maintained or recharged or repaired by persons not authorized by Seller Misuse includes but is not limited to use not in compliance with the labeling or use with accessories not manufactured by Seller This warranty does not cover normal wear and tear and maintenance items Limitation of Remedies The original purchaser s exclusive remedy shall be at Seller s sole option the repair or replacement of the Product THIS IS THE EXCLUSIVE REMEDY In no event will Seller s liability arising out of any cause whatsoever whether such cause is based on contract negligence strict liability tort or otherwise exceed the price of the Product and in no event shall Seller be responsible for consequential incidental or special damages of any kind or nature whatsoever including but not limited to lost business revenues and profits Capnograph Service Manual vii Warranty and Service Information Warranty Procedure To obtain warranty service in the USA you must request a Customer Service Report CSR number from Technical Service Reference the CSR number when returning your Product freight and insurance prepaid to Smiths Medical PM Inc Phone 262 542 3100 N7W22025 Johnson Drive Fax 262 542 0718 Waukes
43. ge and waveform test points detailed parts lists and circuit diagrams for the monitor It is intended for persons trained in service maintenance and repair of modern medical equipment Thorough knowledge of this equipment s operation is required before attempting to repair this equipment Definition of Symbols SYMBOL DEFINITION Attention see instructions for use x Caution Federal U S A law restricts this device to sale by or on the order of a physician Refer servicing to qualified personnel C MEME ET o o mme External Power Battery Eliminator LED ETCO2 End Tidal Carbon Dioxide RPM Respiration Rate Beats per minute pulse rate SPO2 Percent Oxygen Saturation High Alarm Limit Indicator Low Alarm Limit Indicator Co renee O Ce peoe Capnograph Service Manual 1 1 Chapter 1 Introduction SYMBOL DEFINITION Date of Manufacture IPX1 Drip Proof 9 Do not reuse One use on one patient Disposal EU Countries Under the Waste Electrical and Electronic Equipment WEEE Directive 2006 96 EC and implementing regulations all devices and service items within the scope of the Directive purchased new after August 13 2005 must be sent for recycling when ultimately becoming waste Devices and items must not be disposed of with general waste If purchased before Collect that date they may also be sent for recycling if being replaced on a one for one like for Separately like basis this varies
44. ha WI 53186 1856 Toll Free 800 558 2345 Seller will not be responsible for unauthorized returns or for loss or damage to the Product during the return shipment The repaired or replaced Product will be shipped freight prepaid to Purchaser To obtain warranty information outside of the USA contact your local distributor Keep all original packing material including foam inserts If you need to ship the device use only the original packaging material including inserts Box and inserts should be in original condition If original shipping material in good condition is not available it should be purchased from Smiths Medical PM Inc Damages occurred in transit in other than original shipping containers are the responsibility of the shipper All costs incurred returning devices for repair are the responsibility of the shipper CE Notice Marking by the symbol 0473 indicates compliance of this device to the Medical Device Directive 93 42 EEC Authorized Representative as defined by the Medical Device Directive Smiths Medical International Ltd Phone 44 1923 246434 Colonial Way Watford Herts Fax 44 1923 240273 WD24 4LG UK Australian Representative Smiths Medical Australasia Pty Ltd Tel 61 0 7 3340 1300 61 Brandl Street Eight Mile Plains QLD 4113 Australia viii Capnograph Service Manual Chapter 1 Introduction Chapter 1 Introduction About this Manual This manual contains circuit descriptions volta
45. icians Wavelength information for this device can be found in the SpO Specifications section of this manual Pulse identification is accomplished by using plethysmographic techniques and oxygen saturation measurements are determined using spectrophotometric oximetry principles During measurement the signal strength resulting from each light source depends on the color and thickness of the body tissue the sensor placement the intensity of the light sources and the absorption of the arterial and venous blood including the time varying effects of the pulse in the body tissues Q 96 72 Figure 3 1 Pulse Oximetry Theory of Operation Low intensity Red and Infrared LED light sources e Detector Oximetry processes these signals separating the time invariant parameters tissue thickness skin color light intensity and venous blood from the time variant parameters arterial volume and SpO to identify the pulses and calculate functional oxygen saturation Oxygen saturation calculations can be performed because blood saturated with oxygen predictably absorbs less red light than oxygen depleted blood WARNING Since measurement of SpO depends on a pulsating vascular bed any condition that restricts blood flow such as the use of a blood pressure cuff or extremes in systemic vascular resistance may cause an inability to determine accurate SpO and pulse rate readings Capnograph Service Manual 3 1 Chapter 3 Pulse Oximetry
46. jumper selected Communication Protocols There are 3 protocols available on the 71552B1 Pulse Oximeter Board which support the BCI Oximetry Communications Protocol Jumper settings for each protocol and available baud rates are shown in the table below SERIAL PORT SETTINGS BYTES PACKETS BAUD PARITY DATA STOP PER PER PACKET SEC Protocol 1 4800 JUMPER JUMPER JUMPER J3 1 J3 2 J3 3 09 5 9 o o o moe 9600 oe f 5 0 on om on Proroci vs200 eer s 10 om on om Ferotocolaa 9600 tex variable varane or o on mweo 12o ke variable wwe on o on Communication Protocol 1 Data is transmitted from the Oximeter board to the host at a rate of 60 packets per second Data is formatted in 5 byte packets Data packets transmitted from the Oximeter to the host can be synchronized by using bit 7 The communication settings are 4800 or 9600 Baud One Start Bit Eight Data Bits Odd Parity One Stop Bit Communication Protocol 2 Data is transmitted from the Oximeter board to the host at a rate of 120 packets per second Data is formatted in 8 byte packets Data packets transmitted from the Oximeter to the host can be synchronized by using bit 7 The communication settings are 19200 Baud One Start Bit Eight Data Bits Even Parity One Stop Bit Communication Protocol 3 Data is transmitted from the Oximeter board to the host at a rate defined by the h
47. le performing a LO CAL procedure because a three way valve closes the patient inlet and opens to room air The LO HI CAL procedure requires the delivery of a gas mixture from a canister WARNING Remove the device from the patient before performing a Calibration procedure Capnograph Service Manual 5 1 Chapter 5 Pneumatics and CO Calibration Low Calibration To perform a LO CAL do the following 1 Turn on the device 2 Depress the MENU ENTER 29 key Select Capnograph Select Low Cal 3 A menu screen appears with the message CO2 LOW CAL IN PROGRESS 4 When the unit is finished a CALIBRATION COMPLETE message will appear 5 Press the MENU ENTER 7 key to return to the Capnograph menu or press the WAVE TREND key to exit all menus Low High Calibration WARNING Remove the device from the patient before performing a Low High Calibration Gas Inlet Calibration Gas Figure 5 2 Connecting the Calibration Gas To perform a Low High Cal do the following 1 Disconnect the patient attachment from the Luer lock adapter 2 Turn on the device 3 Locate the calibration gas canister 4 Press the MENU ENTER 2 key Select Capnograph Select Low High Cal and follow the directions on the display Ui After the message PLEASE TURN ON CAL GAS appears quickly open the flow control valve on the calibration gas canister The valve must be fully opened in less than 30 seconds 6 When the mess
48. ll as visual and auditory alarm signals It is not intended nor designed to be used as an apnea monitor General Description The Capnograph is a portable handheld monitoring device It provides side stream end tidal CO and SpO gt measurement capability CO is measured with a self contained low power CO sensor provided by CPT Inc SpO measurements are made using the standard Smiths Medical PM Inc business card oximeter board The parameters can be displayed in numerical and graphical format on a 160 x 160 pixel LCD display Control of the unit is provided through a front panel keyboard The unit is powered by a single 7 4V lithium ion rechargeable battery The Capnograph circuitry is located on four assemblies the main processor board 20652B1 the SpO daughter board 71552B1 and the LCD display board 20653B1 and the front panel keyboard 20683B1 The main processor board operation is the subject of this document The main processor board is the most fundamental component in the system All other circuit boards and components are considered peripherals to the main processor board One of the design goals of the Capnograph was to incorporate as much on the main board as possible The main board contains the CPU and memory for program execution the drive circuitry for the display pump valve and speaker the interfaces for the SpO daughter board the CO bench ambient light detector and external RS232 communications The front panel
49. n processor board For more information on the front panel keypad assembly refer to the 20683B1 documentation Capnograph Service Manual 2 1 Chapter 2 Product Description 20652B1 Main Processor Board The main processor board is the main circuit board in the Capnograph system It consists of the following sections Power Supplies Battery voltage 5V switching power supply 5V bench linear supply V adjustable LCD bias voltage 5VA Microprocessor and Memory 68HC812A4 UC 128Kx16 Flash memory 32Kx16 Static RAM External Timer Circuitry uPD71054L three channel timer chip Printer Interface PIC12C508 uC IR LED drive Front Panel Interface Switch input LED drive protection circuitry Ambient Light Interface OPT101 light to voltage converter Bench CPT COMET bench Analog Acquisition Circuitry CO2 signal amplifier voltage reference 4 channel A D converter Display Interface SED1335 display controller 8Kx8 SRAM high voltage EL drive Speaker drive circuitry Tone volume slew rate control Pump Control High current drive Valve Control High low current drive Serial Interface Printer channel SpO interface data logging Power Supplies The Capnograph is powered by a single 7 4V Lithium lon battery A high efficiency step down DC DC converter is used to generate 5V from the battery voltage The 5V powers all of the digital circuitry the display the pump valve and speaker drive circuitry an
50. n adaptive algorithm to recognize each breath in the waveform even in the presence of an elevated baseline rebreathing and higher frequencies in the CO waveform cardiogenic oscillations The device computes respiration rate RPM from the total number of seconds for the last four breaths according to this formula 60 seconds x breaths RPM Number of seconds for 4 breaths N O Compensation The interfering effect of N5O results in inaccurate CO readings however the device has the ability to compensate for this With the NO compensation ENABLED the device adjusts the CO reading by an algorithm that assumes the concentration of N50 is 40 and compensates accordingly If NO compensation is enabled and the concentration of N50 is not 40 the displayed value must be adjusted by the following equation to get the actual CO concentration CO2 Reading x 1 0625 0 0625 x N2096 4096 Actual CO2 Capnograph Service Manual 4 1 Chapter 4 CO Theory of Operation With the NO compensation DISABLED the device adjusts the CO reading by an algorithm that assumes the concentration of N20 is 0 If NO compensation is disabled and the concentration of N5O is not 0 the displayed value must be adjusted by the following equation to get the actual CO concentration CO2 Reading 0 0625 x N2096 4096 Actual CO2 NOTE The presence of other anesthetic agents may cause CO readings to deviate beyond specified tolerances
51. nnecting to or communicating to the monitor s data interface must be certified according to the respective IEC standards i e IEC 950 for data processing equipment or IEC 601 1 for electro medical equipment All combinations of equipment must be in compliance with IEC 601 1 1 systems requirements IEC 950 approved equipment including the MCP8850B printer must be placed outside of the patient environment The patient environment is defined as an area 1 5m 4 92 feet from the patient Patient Environment xp In the event that earth ground integrity is lost the performance of this device and or other devices nearby may be affected due to excessive RF emissions Ensure the device s AC rating is correct for the AC voltage at your installation site before using the monitor The monitor s AC rating is shown on the external power supply If the rating is not correct do not use the monitor contact Smiths Medical PM Inc service department for help Disconnect the AC power supply from the outlet before disconnecting it from the monitor Leaving the AC power supply connected to an AC power outlet without being connected to the monitor may result in a safety hazard Do not allow any moisture to touch the AC power supply connectors or a safety hazard may result Ensure that hands are thoroughly dry before handling the AC power supply Capnograph Service Manual 1 3 Chapter 1 Introduction WARNING WARNING WARNING
52. of two values with SYSTEM SET command YD is the data pulse output for the Y drivers It is active during the last line of each frame Data is shifted through the Y drivers be YSCL one by one to scan the display s common connections YDIS is the display power down output signal YDIS is HIGH while the display drive outputs are active Speaker Drive Circuitry The speaker drive circuitry drives the speaker with a fundamental tone and harmonics The circuitry has the capability of controlling the on off slew rate of the tone as well as the volume The fundamental frequency is determined by the frequency of the TONE signal generated by the timer chip SPKRON controls the on off action of the speaker FSLEW controls the slew rate of the on off ramp CLICK is used to provide a key click sound when a key is pressed The signal VOL PWM is ended with the TONE signal to provide a PWM style volume control 2 4 Capnograph Service Manual Chapter 2 Product Description Pump Control The pneumatic pump used to pull gas through the CO bench is a 5VDC pump It is turned on and off with a P channel MOSFET When the PUMPON signal generated by the 68HC812A4 goes to its active state the MOSFET is turned on and 5V is applied across the pump terminals and the pump runs Valve Control The pneumatic valve used to switch the flow of CO scrubbed ambient gas or sample line gas to the CO bench The valve is normally in the sample position Energizing the val
53. on Capnograph Service Manual Chapter 7 Routine Maintenance Performance and Safety Checks RECOMMENDED MAINTENANCE FREQUENCY General Cleaning As Needed Inspect the system cables and cords Safety Checks In Acc with IEC 601 1 Annually Inspecting the System Examine the exterior for cleanliness and general physical condition Ensure the housing is intact hardware is present and secure and labeling is legible Cables and Cords Examine the power cord for damage abuse Ensure that the prongs of the plug are secure in the casing and no damage is present in the cord itself Inspect all patient cables leads and sensors for general condition Flow Controller with Gauge Yearly Flow Rate Test 1 Attach the flow controller with gauge to a calibration gas cylinder 2 Attach a 2 foot section of tubing between the flow controller and a flow meter AALBORG GFM17 or equivalent 3 Turn the knob of the flow controller fully counter clockwise and read the flow meter The flow meter should read between 0 255 LPM and 0 345 LPM Capnograph Service Manual 7 3 Chapter 7 Routine Maintenance This page is intentionally left blank 7 4 Capnograph Service Manual Chapter 8 Troubleshooting Chapter 8 Troubleshooting PROBLEM POSSIBLE CAUSE SOLUTION SPO2 SENSOR is displayed Sensor not connected to monitor or Connect the sensor to the patient cable and patient connect the patient cable to the monitor Attach the sens
54. or to the patient Sensor improperly positioned on Reposition the sensor on the patient patient Incorrect sensor for application Choose the correct sensor for the application Defective sensor or patient cable Change the sensor or contact Smiths Medical PM Inc service department or recharge battery Unit operates when Battery shelf life exceeded or battery Contact Smiths Medical PM Inc service connected to external not charged department charger but not on battery power Display does not light If operating on battery battery may Recharge battery need charging Green External Power LED Battery eliminator not properly seated Reseat battery eliminator in unit not lit in unit No pulse registering on Sensor or patient cable disconnected Check connections to patient cable and sensor bargraph from monitor Sensor incorrectly positioned Reposition sensor on patient Poor patient perfusion Reposition sensor on patient Defective sensor or patient cable Try a new sensor or contact Smiths Medical PM Inc service department Pulse rate erratic Sensor incorrectly positioned Reposition sensor on patient Intermittent or incorrect poor patient perfusion Reposition sensor on patient Patient motion Patient must be still for monitor to function properly Place extremity on a pillow that acts as a buffer to motion Ambient light Shield with towel HIGH CALIBRATION Monitor needs calibration Contact Smiths Medi
55. ost system Fast data is formatted in 4 byte packets Slow data packets will vary in length The communication settings are 9600 or 19200 Baud One Start Bit Eight Data Bits Even Parity One Stop Bit This communication protocol is available upon request Capnograph Service Manual 3 3 Chapter 3 Pulse Oximetry Serial Communication Notes Protocol 1 and Protocol 2 3 4 Start up averaging is SpO 8 pulses HR 8 seconds To synchronize Plethysmogram level and offset algorithm the A command is used After start up auto pleth size offset is enabled and the board periodically adjusts the Plethysmogram level to keep the waveform in range using the processor s internal timer If command G is sent the internal timer is disabled and the Master can adjust the Plethysmogram by sending the A command This command makes the board run an adjustment algorithm once to make sure that during the next time interval the Plethysmogram will stay in range For example one could send this command between the Master s screen frames to make sure that during the display of any given frame there will not appear to be any jumps on the waveform Commands can be sent any time asynchronously with the output data Commands can be sent back to back except E after E send revision level If Master has not received revision information yet from previous E command the next E command will be lost Revision level response interrupt
56. pected to fall within the Apps of the value measured by the CO oximeter The 8400 Capnocheck II has been validated in human desaturation studies on 10 adult volunteers that did not have health problems and were non smokers The study was conducted at oxygen concentrations evenly distributed over an SaO range of 50 100 Peripheral Pulse Rate optional Range 30 254 bpm Accuracy 2 bpm or 2 whichever is greater at 30 to 254 bpm Averaging 8 seconds Display Update Rate 1Hz Pulse Strength optional NOT proportional to pulse volume Range 30 254 bpm indicates logarithmic strength of patient s pulse Display 8 segment bargraph Display Update Rate 60Hz 10 2 Capnograph Service Manual Alarm Limits Ranges ETCO High Low Factory Defaults Resp Rate High Low Factory Defaults Inspired CO3 High Factory Default Pulse Rate High Low Factory Defaults High Low Factory Defaults Volume 0 100 mmHg 1 mmHg steps and OFF 0 13 3 kPa 0 1 kPa steps and OFF 0 10 096 CO 0 196 steps and OFF 0 100 mmHg 1 mmHg steps and OFF High 2 60 mmHg Low 20 mmHg 5 150 bpm 1 bpm steps and OFF 5 150 bpm 1 bpm steps and OFF High 35 bpm Low 5 bpm 0 100 mmHg 1 mmHg steps and OFF 0 13 3 kPa 0 1 kPa steps and OFF 0 10 096 CO 0 196 steps and OFF High 8 mmHg 30 254 bpm 1 bpm steps and OFF 30 254 bpm 1 bpm steps and OFF High 150 bpm Low 45 bpm
57. re frequent sensor site changes or inspections may be indicated depending upon the photodynamic agent used agent dose skin condition total exposure time or other factors Use multiple sensor sites Under certain clinical conditions pulse oximeters may display dashes if unable to display SpO and or pulse rate values Under these conditions pulse oximeters may also display erroneous values These conditions include but are not limited to patient motion low perfusion cardiac arrhythmias high or low pulse rates or a combination of the above conditions Failure of the clinician to recognize the effects of these conditions on pulse oximeter readings may result in patient injury Cautions Do not allow water or any other liquid to spill onto the monitor Evidence that liquid has been allowed to enter the monitor voids the warranty Should the device become wet wipe off all moisture and allow sufficient time for drying before operating Follow local governing ordinances and recycling instructions regarding disposal and recycling of device components The monitor contains a 6 hour Lithium lon LI battery If the battery fails to hold a charge or otherwise becomes inoperable the battery should be replaced and the old battery should be disposed of properly Consult local officials for information about the proper disposal of the Lithium lon battery Smiths Medical PM Inc cannot dispose of monitor batteries Capnograph Service Manual 1 5
58. s the normal data stream at any place It is assumed that the E command will be sent once during power up hence no significant amount of data will be lost When data packets are sent from the Oximeter to the Host there may be times when there is invalid data for example when finger is removed from probe Invalid data can be interpreted as invalid Rate OxFF invalid SpO2 Ox7F invalid Pleth 2 Ox7F invalid Signal Strength OxF Capnograph Service Manual Chapter 3 Pulse Oximetry Oximeter Transmitted Data Protocol 1 Data is transmitted from the Oximeter board to the Host in 5 byte packets Baud rate is jumper selectable for 4800 or 9600 baud BYTE BIT DESCRIPTION 1 f o signalstrengtho 3 _Isignarstrength 2 jssmisuengn2 3 jsemiswnghs o4 Si searchingtooong s i probe unplugged 5 Mee oz eese 3 o Mehsmogamo 1_ Ptethysmogrami 2 jPehsmogam2 3 Betemegam3 o4 Ptethysmograma 5 jRehsmogams 5 Betwmegams 7 0 sync bit s o Bargrapho o eargrapht CS 2 jRwenmph2 3 Seegen 1 2 no finger in probe or probe unplugged 1 searching for pulse 1 2 3 Ps os mereetnen eemso Capnograph Service Manual DESCRIPTION NOTE When a lost pulse condition is detected by the board it will send the Lost Pulse Alarm Flag by setting both bit 4 Searching Too Long of
59. t Waveform Rate Waveform Rate Request Set Response Mode Response Mode Request Restart Oximeter Version Request Primary Status Request Secondary Status Request Enable 16 bit Waveform Can be set from 10 msec to 247 5 msec in 2 5 msec increments Ranges from 10 msec to 247 5 msec in 2 5 msec increments Normal default fast or slow mode Normal fast or slow mode Restores all default values same as power on reset Responds with version string Probe No Probe attached pulse search Waveform On Off 8 bit 16 bit waveform Must restart Oximeter to disable Capnograph Service Manual Chapter 3 Pulse Oximetry Power Requirements Power Supply Input Voltage typical 5 VDC Digital 35mA electrically isolated 5 VDC Analog 16mA electrically isolated 5 VDC Analog 5mA electrically isolated Dimensions Width 8 9 cm 3 5 inches Depth 5 1 cm 2 0 inches Height 1 3 cm 0 5 inches Serial Communications Specifications The 71552B1 Pulse Oximeter board communicates with the host computer through a single high speed asynchronous serial channel at TTL voltage levels Data provided to the host includes SpO3 Pulse Rate Signal Strength Bargraph Plethysmogram and Status Bits data The host can send commands to control the averaging rates synchronize the Plethysmogram Waveform and request the Oximeter software revision level Three protocol options are provided for system flexibility These protocols are hardware
60. ter and sample line for each new patient NOTE Discard and replace the patient attachment if it becomes occluded If an air leak is noted check all patient connections If the air leak persists discard and replace the patient attachment Oximeter Notes NOTE Alarm settings are maintained when power is turned off except for the following NOTE The low SpO alarm limit minimum test value is 80 If an operator changes the low SpO alarm limit to a value less than 80 and a power down power up sequence takes place a minimum value of 85 takes the place of the operator entered value 1 6 Capnograph Service Manual Chapter 2 Product Description Chapter 2 Product Description Intended use The Capnograph is a low cost CO monitor with optional oximetry and optional external printer It may be used in the hospital or clinical environment and during emergency land transport It is not intended for use in the home It is intended to be used in all critical environments including ventilatory applications patient ground transport EMS Emergency Medical Services and anesthesia The capnography parameter provides end tidal CO ET COj inspired CO in CO and respiration rate measurements on all patients from pediatric to adult The oximetry option works with all BCI oximetry sensors providing SpO and pulse rate on all patients from pediatric to adult The Capnograph permits continuous patient monitoring with adjustable alarm limits as we
61. tly Tape applied too tightly may cause inaccurate readings and blisters on the patient s skin lack of skin respiration not heat causes the blisters Dyes introduced into the bloodstream such as methylene blue indocyanine green indigo carmine patent blue V PBV and fluorescein may adversely affect the accuracy of the SpO reading Any condition that restricts blood flow such as use of a blood pressure cuff or extremes in systemic vascular resistance may cause an inability to determine accurate pulse and SpO readings Significant levels of dysfunctional hemoglobins such as carboxyhemoglobin with CO poisoning or methemoglobin with sulfonamide therapy will adversely affect the accuracy of the SpO measurement SpO measurements may be adversely affected in the presence of high ambient light If necessary shield the sensor area with a surgical towel for example Optical cross talk can occur when two or more sensors are placed in close proximity It can be eliminated by covering each site with an opaque material Remove fingernail polish or false fingernails before applying SpO sensors Fingernail polish or false fingernails may cause inaccurate SpO readings Tissue damage may result from overexposure to sensor light during photodynamic therapy with agents such as verteporphin porfimer sodium and meta tetrahydroxyphenylchlorin mTHPC Change the sensor site at least every hour and observe for signs of tissue damage Mo
62. ve selects the CO scrubbed ambient gas to pass to the sample chamber in the CO bench The control circuitry is similar to the pump drive circuitry However the valve drive circuitry has a two stage drive circuit configuration The first stage is made up of a high current P channel MOSFET When the VALVON signal is sent active low the high current drive MOSFET is turned on and the valve is connected directly to the 5V supply This gets the valve to the energized state quickly At the same time that the high current MOSFET is turned on the lower current P channel MOSFET is turned on This circuit also connects the valve to the 5V supply In this circuit path there is a 50 ohm resistance This resistance limits the current through the valve and therefore the power dissipated by the valve The valve need less current to keep it in the on state and the lower current MOSFET channelis all that is needed Serial interface The main processor board provides two channels of asynchronous serial communications capability One channel is used for bi directional communication between the 68HC812A4 and the SpO daughter board The second serial channel is used for unidirectional communication to the PIC12C508 Data is transferred from the 68HC812A4 to the PIC The PIC converts the serial data into the HP compatible printer format for the Martel printer An additional feature of the serial communication circuitry is that through the selection of the DIP switches
63. veform rate and ranges from 0 to 99 MO1x Response Mode M00 command response X 1 2 or 3 for Normal Fast and Slow mode respectively VLLxxx Version VOO command response LL message length xxx version string XX mm dd yy where XX version number x x S02xx Primary Status S00 command response xx is decimal ASCII representation of a bitmapped value where EN DIM MM NN erz oro pusese puesemh D E eo OOS es 9 L S a A s02xx Secondary Status s00 command response xx is decimal ASCII representation of a bitmapped value where bito O waveform on default 1 waveform off bit 0 8 bit waveform default 1216 bit waveform Pere fo LL pee LLL bo LL a e a a s a A EE 1 RAM error Oximeter stops z ROMChedsumtmor Ometersop 3 LstMesagehadChedsumtrormesageignored 5 Command value out of range command ignore 9 Commandsymmemorommandimoed 3 8 Capnograph Service Manual Chapter 3 Pulse Oximetry To the Oximeter WO2xx Set Waveform Rate xx is the current waveform rate and ranges from 4 to 99 Rate is 2 5ms per sample times xx 4 10ms 99 247 5ms The default rate is 4 10ms A W010 command causes waveform output to stop Waveform Rate Request MO1x Set Response Mode x 1 2 or 3 for Normal Fast and Slow mode respectively The default mode is Normal Fast Data Message Format
64. y must be made at authorized repair centers If the device needs repair contact your local distributor or Smiths Medical PM Inc Service Department When calling have the device s model and serial number ready Smiths Medical PM Inc Phone 262 542 3100 N7W22025 Johnson Drive Toll Free 800 558 2345 Waukesha WI USA 53186 1856 Fax 262 542 0718 e mail address info om smiths medical com 8 2 Capnograph Service Manual Chapter 9 Supplies and Accessories Chapter 9 Supplies and Accessories CAT NO DESCRIPTION QTY 1100 Adapter Airway Straight w o filter 12 7 ID x 15 OD mm 10 pkg 1101 Cannula Sample Line Nasal O5 Adult 10 pkg WERT n 10 pks i 10 pkg i 10 pkg 1124 10 pkg ue 10 pkg ie 10 pkg 1131 10 pkg Sample Line Nasal CO Infant 1140 10 pkg CO Sample Line Extension 4 6 m 15 feet 1151 Adapter Airway w o filter Pediatric 12 7 ID x 15 OD mm 10 pkg 1152 Adapter Airway w filter Pediatric 12 7 ID x 15 OD mm 10 pkg 1301 Sensor Oximetry Disposable Pediatric Finger 15 45 kg 10 box 1303 Sensor Oximetry Disposable Infant Finger 3 15 kg 10 box 1606 Simulator Oximeter ECG each 1894 Manual Operation Capnocheck II each 1895 Manual Service Capnocheck II each 3025 Sensor Oximetry Wrap Infant 3 15 kg each Sensor Oximetry Wrap Neonate 3 kg Cable Oximetry 1 5 m 5 feet 8030 Adapter Airway Elbow 151D 22OD x 150D mm 10 pkg CO Sample Line 2 4 m 8 fe

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