BCI 3301 Pulse Oximeter Hand-Held Manual
Contents
1. 3 5 Attach the Sensor to the Oximeter eee 3 6 Measuring the Patient s SpO2 and Pulse Rate 3 6 Patient Numbers and Spot Check Data esses 3 8 Manually Incrementing the Patient Number 3 8 Clearing All Spot Check Data eee 3 8 Low Battery Indicator nene 3 8 Turning Off the Oximeter ioris eerie dee eite teniente 3 9 Checking the Oximeter s Performance eene 3 9 Oximeter Operation and Service Manual i Table of Contents Chapter 4 Printer and Computer Interface 4 Computer Interface Description esee 4 1 Equipment Required sss 4 1 Interface nstr ctlOnS tesitik oenn ci thread 4 1 Spot Check Printouts iig 4 3 Collecting Spot Check Data eee 4 3 Manually Incrementing the Patient Number 4 3 Clearing All Spot Check Data eee 4 3 About the Oximeter s Batteries and Spot Check Data 4 3 Printing Spot Check Data eene 4 4 Chapter 5 Operator s Maintenance eene 5 1 Batterie Soomi nnn nn ea Cte de en erp artt 5 1 Disposal of batteries and rechargeable batteries 5 1 SEnSOIS eei re eee esie reb e ae eel et Ue eA Debe 5 1 Reusable Sensors on iie ne eee p ire prt eri neei 52. eee 9 6 Voltage Test Points eie eec eee en de e 9 7 Wavetorm Test Points rdg et a a 9 9 Appendix Assembly Drawings Schematics amp Parts Lists 1 Oximeter Operation and Service Manual iii This page is intentionally left blank Chapter 1 Introduction Chapter 1 Introduction About This Manual The operator s instructions provide installation operation and mainte nance instructions It is intended for health care professionals trained in monitoring respiratory and cardiovascular activity The service maintenance and repair section contains circuit descriptions voltage and waveform test points detailed parts lists and circuit diagrams 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 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 oper ate maintain and order spare parts for the device supplied Every effort has been made to keep the information contained in this document current and accurate as of the date of publication or revision However no guarantee is given or implied tha
3. Figure 3 1 Open the Battery Door Figure 3 2 Install the Batteries Oximeter Operation and Service Manual Chapter 3 Using the Oximeter Care and Handling of Sensor WARNING Misuse or improper handling of the sensor and cable could result in damaging the sensor This may cause inaccurate readings Hold the connector rather than the cable when connecting or disconnecting the finger sensor to the oximeter as shown in figure 3 3 Figure 3 3 Connect the Finger Sensor Do not use excessive force unnecessary twisting or kinking when con necting disconnecting storing or when using the sensor When placing the sensor on the patient allow the cable to lay across the palm of the hand and parallel to the arm of the patient as shown in figure 3 4 Figure 3 4 Position the Sensor Cable Upon completion of patient monitoring detach the sensor and loosely coil finger sensor cable Do not wrap the finger sensor cable around the oxime ter Oximeter Operation and Service Manual 3 3 Chapter 3 Using the Oximeter Choose the Sensor Choose the appropriate sensor from the following chart Refer to the sensor insert for application instructions Patient Site Description Finger 3044 Sensor Reusable Adult 3444 Sensor Reusable Comfort Clip Adult 1310 D O T Reusable Oximetry Sensors gt 45 Kg Finger or Toe 3043 Sensor Universal Y 1300 Sensor Disposa
4. cally two minutes after the sensor is removed from the patient or after the sensor is discon nected from the oximeter This fea ture extends the bat tery use time Batteries are weak or dead None Replace the batteries No printout on optional printer Printer power not connected or printer power switch is Off Printer interface assembly not securely connected Printer interface malfunction No trends in mem ory Sensor must be dis connected for spot check output Connect the printers power source and turn on the printer Push on both ends of the printer interface assembly to ensure all the connections are tight Contact your authorized repair center for help Collect trend data Disconnect sensor E00 ROM Error A Refer servicing to qualified service personnel Contact Smiths Medical PM Inc Service E01 RAM Error A Refer servicing to qualified service personnel Contact Smiths Medical PM Inc Service Oximeter Operation and Service Manual Chapter 6 Operator s Troubleshooting Chart EMI Interference AN CAUTION This device has been tested and found to com ply with the limits for medical devices to the IEC 601 1 2 1993 EN 60601 1 2 1994 Medical Device Directive 93 42 EEC These limits are designed to provide reasonable pro tection against harmful interference in a typical medical installation However because of the proliferation
5. 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 service outside 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 mate rial 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 C 474 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 UK WD24 4LG Oximeter Operation and Service Manual 1 3 Chapter 1 Introduction Definition of Symbols SYMBOL DEFINITION AN Attention consult accompanying documents Type BF equipment Refer servicing to qualified service personnel Catalog Number Serial number On Off Date of Manufacture Non AP Devic
6. Chapter 9 Service Maintenance and Repair Internal timer 1 of U11 is used as a tone generator to drive piezo speaker through connector J5 Analog Section Analog to Digital Converter ADC U6 is a 12 bit successive approxima tion sampling ADC The ADC IN signal input comes from TP22 VREF is used here as a pseudo ground The ADC is configured as a differential input converter with the IN input connected to VREF This allows the IN signal to range from 2 5V to 5V The ADC transfers data with a 3 wire serial interface ADCLK synchronizes the data transfer with each bit being transmitted on the falling ADCCLK edge and captured on the rising ADCLK edge ADCS must beheld low when the ADC transmits data LED Drive circuitry is used to turn on and off the oximetry probe LED s precisely controlling the current through them The second half of the vari able potentiometer U5 is used to generate voltage between 0 and 2 5 VDC US is controlled serially by the processor Operational amplifier U2B together with transistor Q7 create a constant current sink The current is proportional to the voltage generated by variable potentiometer The H bridge Q8 QO is used to activate either LED red or infrared inside the oximeter probe The following table describes the states of the H bridge RED DRV IR DRV FET ON Function 1 0 1 Red LED is on 0 1 1 Infrared LED is on X X 0 Open circuit state In this table 1 indicates
7. displays indicate SpO and pulse rate measurements An eight segment LED bar graph indicates pulse strength Automatically turns off after patient s finger is removed from the sensor Low battery indicator lights when about two hours of battery use remains Optionally connects to an external printer or computer providing spot check printouts of SpO and pulse rate readings Collects up to seventeen 17 hours of spot check data for up to ninety nine 99 patients for printout later Oximeter Operation and Service Manual 2 1 Chapter 2 General Description Description A Patient Cable Sensor 96 SpO Display Pulse Rate Display Pulse Strength Bar Graph Low Battery Indicator land O Keys Batteries and Access Door Figure 2 1 Oximeter Controls PATIENT CABLE SENSOR The sensor connects here If you need the extra length of the patient cable attach the sensor to the patient cable then attach the patient cable to the oximeter s PATIENT CABLE SENSOR connector The serial printer or PC communication cable is also connected here SpO DISPLAY The SpO value is shown here Dashes indicate the oximeter is unable to calculate the SpO value PULSE RATE DISPLAY The pulse rate value is shown in beats per minute BPM Dashes indicate the oximeter is unable to calculate the pulse rate value Flashing 55 indicates the pulse rate value is greater than 255 2 2 Oximeter Operation and Service Manual C
8. of possible malfunctions on the oximeter and display board you will need the following test equipment and tools e DMM volts ohms amps with MQ input impedance or greater e Oscilloscope 50 MHz with 10 MQ input impedance or greater e Variable output DC power supply 0 5 VDC at 200 mA or greater Small Phillips screwdriver e Small flat blade screwdriver e Needle nose pliers e Diagonal cutters Clip leads e Low power microscope or magnifying glass e Soldering iron and solder e Solder wick or solder remover Connecting a DC Power Supply To verify some of the voltage measurements that follow you ll need to connect a variable output DC power supply in place of the three C cell batteries You must be careful to observe the polarity of J9 when doing this Follow these steps to connect a DC power supply in place of the C cell batteries 9 6 Oximeter Operation and Service Manual Chapter 9 Service Maintenance and Repair CAUTION Be sure to observe the polarity of the battery connections Failure to observe the polarity may cause fuse F1 to blow 1 Remove the three C cell batteries 2 Connect the DC power supply s output to J9 1 3 Connect the DC power supply s 66 99 Voltage Test Points Unless otherwise noted all voltages are measured with respect to ground at or ground output to J9 2 P1 2 Location Condition Nominal and Range T19 Oximeter on 5 VDC x 0 1
9. otherwise noted e The waveforms are measured with respect to ground at J9 2 e The oscilloscope is triggered on T2 falling edge e The waveforms are measured with the finger sensor attached to the oximeter but no finger inserted in the sensor Measurement at T2 2V DIV 0 4mS Div OV Connect CH1 probe to T10 T21 T22 T24 Verify the signal shown in the respective figures Oximeter Operation and Service Manual 9 9 Chapter 9 Service Maintenance and Repair Measurement at T22 2V DIV 0 4mS Div Oximeter Operation and Service Manual Measurement at T24 2V DIV 0 4mS Div OV 9 10 Chapter 9 Service Maintenance and Repair OV Measurement at T24 2V DIV 0 4mS Div Pf Bg E e eee eee Fe a a GE RR RR a A Remove all scope connections from the oximeter board Functional Testing Disconnect the oximetry test fixture Turn oximeter board off and then on again Connect Finger probe to oximeter board and put your finger in the probe Verify SpO and Pulse Rate readings are displayed Verify that the pulse tone is heard when the pulse strength bar lights up Remove finger from finger probe Verify dashes Oximeter Operation and Service Manual 9 11 This page is intentionally left blank Appendix Appendix Assembly Drawings Schematics amp Parts Lists Number Description 71000423 F ASM OXIMETER REDESIGN BOM 71000423 F ASM OXIMETE
10. patient the patient number is displayed only and is not incremented The oximeter remembers all the spot check data and all the patient numbers for up to ninety nine 99 patients and sev enteen 17 hours of run time Manually Incrementing the Patient Number Press the P key while the oximeter is on to manually increment the patient number The new patient number is momentarily displayed and spot check data for the new patient is automatically saved Clearing All Spot Check Data Press and hold the P key for about six seconds while the oximeter is on to clear all spot check data and reset the patient number to P i While you are holding the P key the message Cir flashes on the display to notify you that the spot check data for all patients is about to be cleared When the spot check data is cleared the display shows P 1 See Spot Check Printouts for more information on printing spot check data Low Battery Indicator When about two hours of battery use time remains the left most bar graph segment lights The oximeter will continue to operate normally until the batteries no longer have sufficient power to operate the oximeter At that point the oximeter automatically turns off 3 8 Oximeter Operation and Service Manual Chapter 3 Using the Oximeter Turning Off the Oximeter Press the O key to turn off the oximeter The oximeter turns off automatically two minutes after the sensor is removed from the pat
11. requirements Anyone connecting additional equip ment to the signal input port or signal output port configures a medical system and therefore is responsi ble that the system complies with the requirements of the system standard IEC 601 1 1 Oximeter Operation and Service Manual 1 5 Chapter 1 Introduction AN WARNING IEC 950 approved equipment must be placed outside of the patient environment The patient environ ment is defined as an area 1 5 m 4 92 feet from the patient hp M Figure 1 1 Patient Environment WARNING When attaching sensors with Microfoam tape do not stretch the tape or attach the tape too tightly Tape applied too tightly may cause inaccurate readings and blisters on the patient s skin lack of skin respiration not heat causes the blisters CAUTION Observe proper battery polarity direction when replacing batteries CAUTION Do not autoclave ethylene oxide sterilize or immerse the sensors in liquid Evidence that liquid has been allowed to enter the monitor voids the warranty CAUTION 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 device Notice This device is not approved for home use by a non health care profes sional CAUTION Connect only the printer adapter specifically intended for use with this device see Optiona
12. 1 Disposable Sensors eese ii 5 2 Cleaning the Oximeter s Surfaces sese 5 2 Long Term Stotage u o re Et tee ie Per EP E Ea 5 2 Chapter 6 Operator s Troubleshooting Chart 6 1 EMI Interference tein eec te ue aE 6 3 Chapter 7 Optional Supplies and Accessories 7 1 Ordering Information eese nennen 7 2 Chapter 8 Speci cations sio oes oce ed ae 8 1 Equipment Classification 0 ce eecescsseeeneeeseesseceeeeeceseeeaeeeaeeneens 8 1 Displays Indicators amp Keys eee 8 1 SPO rM AS 8 1 Pulse Rate de dee c e ette tn M oe 8 2 Auxiliary Printer Output sese 8 2 Power Requirements neccen eni eniai eeii 8 2 BatteryEMe oce tenen et eene aee 8 2 Diriensiotis hiss sites Rhe eet nep Meni tein 8 2 Environmental Specifications sese 8 2 ii Oximeter Operation and Service Manual Table of Contents Chapter 9 Service Maintenance and Repair 9 1 General Description ai e t eee deer te 9 1 Power Supply and ON OFF Circuitry eee 9 1 Digital Section en ei petat eite sene 9 1 Analog Sections visi ERREUR eR ERI 9 3 LED Controller x os oe Ree eet ter enter tee e mede 9 4 Sienial Dictionary pors ioe t eee ert Ree ice 9 4 Test Equipment and Tools Required esses 9 6 Connecting a DC Power Supply
13. 27 50 batteries If you use disposable batteries be sure to dispose of them in compliance with your institution s guidelines and local ordinances If you use rechargeable batteries it s best to have two sets of batteries on hand That way you can use one set of batteries in the oximeter while the other set of batteries is recharging NOTE If you ve collected spot check data for printing make sure you print the spot check data before removing and replacing the oximeter s batteries Removing the bat teries erases spot check data from the oximeter s memory Oximeter Operation and Service Manual 3 1 Chapter 3 Using the Oximeter Installing or Replacing the Batteries 1 2 3 2 Turn over the oximeter so its back is facing you Push on the thumb grip and slide the door open If you are replacing the batteries remove the old batteries from the battery compartment If the old batteries are disposable be sure to dispose of them in compli ance with your institution s guide lines and local ordinances If the old batteries are rechargeable be sure to charge them right away so they ll be ready to use again as soon as possible Install three batteries in the oximeter battery compartment Make sure the batteries are installed in the proper direction NOTE It is easiest to install the batteries in the sequence shown in figure 3 2 Slide the battery door closed push ing firmly until it snaps into place
14. Oximeter Operation and Service Manual Catalog Number 1818R Version 7 February 2005 2005 Smiths Medical family of companies All rights reserved Table of Contents Table of Contents Chapter T IntrOdUction iss e iacu tont err hoec debere traditus 1 1 About This Manual neret tete et hee pte betta 1 1 Proprietary INOLICG c t deem eee tette tod tati idee te 1 1 bcnc MEE 1 1 Limited Warranty eee teet eter PP erede tes 1 1 Disclaimer of Warranties eese 1 2 Conditions of Warranty eee ren 1 2 Limitation of Remedies eene 1 2 Warranty Procedure 4 2 ione nates e sete 1 3 CE NOUC6 eroe oO Ah in ea aad 1 3 Warnings Cautions and Notes essere 1 5 Chapter 2 General Description esca dee 2 1 IntendedUse 4 ettet e Rhe ette 2 1 PO atures fess s bistsseh dscns ih dir ee CURED EE HERI ie SE Pe ages 2 1 De scRptlOn toi erret trit ertet eee PR LE p equa 2 2 Theory of Operation d debes Ee Bee 2 4 Chapter 3 Using the Oximeter eoe tret treten etre h eee 3 1 Install the Batteries denied henidrerit 3 1 Installing or Replacing the Batteries eeseessse 3 2 Care and Handling of Sensor eene 3 3 Choose the Sensor uides tto eet ie eie eeu C ede 3 4 Attach the Sensor to the Patient sss 3 5 Clean or Disinfect the Sensors eere 3 5 Finger Sensor for Adult or Pediatric Finger
15. R REDESIGN 71264B1 PWB ASM MAIN BOARD REDESIGN 71264B1 PWB ASM MAIN BOARD REDESIGN PARTS LIST 71264S1 MAIN BOARD REDESIGN SCHEMATIC Oximeter Operation and Service Manual Number Item of pages A 1 1 A 2 1 A 3 1 A 4 3 A 5 5 Appendix 1 This page is intentionally left blank smuths Smiths Medical PM Inc Patient Monitoring and Ventilation CE 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 UK WD24 4LG
16. VDC ANA 5 T18 Same as T19 Same as T19 FLTR 5 Same as TP14 Same as T19 ANA 5 Same as TP15 Same as TP15 FLTR 5 T16 Same as TP15 4 8 VDC to 6 2 VDC V REF T17 Oximeter on 2 5 VDC V RAM Oximeter on T19 minus 0 7 VDC Oximeter off V BT minus 0 7 VDC Ul1 71 Oximeter on 3 072 MHz 50 duty cycle Low battery LED When battery voltage Low battery LED first drops to 3 00 VDC turns on at 3 00 VDC 0 2 VDC Low battery shut off Oximeter on battery voltage slowly drop ping Oximeter shuts off when battery voltage drops to 2 7 VDC 0 2 VDC Oximeter Operation and Service Manual 9 7 Chapter 9 Service Maintenance and Repair Automatic shut off Turn on oximeter and place finger in sensor Remove finger from sensor Remove sensor from oximeter Turn on oximeter Oximeter should turn off 2 minutes 5 sec onds after finger is removed from sensor Oximeter should turn off in 2 minutes 5 seconds Current draw through J9 1 total battery cur rent Oximeter on sensor attached to oximeter no finger in the sensor with battery voltage at 3 5 VDC 0 2 VDC 110 mA 15 mA Oximeter Operation and Service Manual Chapter 9 Service Maintenance and Repair Waveform Test Points The following oscilloscope screens show typical waveforms from the sen sor detector s amplifier and data acquisition circuits Unless
17. ble Adult Finger Ear 3078 Sensor Ear Finger 3044 Sensor Reusable Adult 3444 Sensor Reusable Comfort Clip Pediatric 3178 Sensor Reusable Pediatric 15 45 Kg Finger or Toe 3043 Sensor Universal Y 1301 Sensor Disposable Pediatric Finger Ear 3078 Sensor Ear Infant Hand or Foot 3043 Sensor Universal Y 3 15 Kg Toe 3025 Sensor Wrap Infant Finger or Toe 1303 Sensor Disposable Infant Neonate Hand or Foot 1302 Sensor Disposable Neonate 3 Kg Foot 3026 Sensor Wrap Neonate 3 4 Oximeter Operation and Service Manual Chapter 3 Using the Oximeter Attach the Sensor to the Patient AN WARNING Prolonged use or the patient s condition may require changing the sensor site periodically Change sen Sor site and check skin integrity circulatory status and correct alignment at least every 4 hours A WARNING When attaching sensors with Microfoam tape do not stretch the tape or attach the tape too tightly Tape applied too tightly may cause inaccurate readings and blis ters on the patient s skin lack of skin respiration not heat causes the blisters Clean or Disinfect the Sensors Clean or disinfect the reusable sensors before attaching a new patient WARNING Do not autoclave ethylene oxide sterilize or immerse the sensors in liquid CAUTION Unplug the sensor from the monitor before cleaning or disinfecting Clean the sensor with a soft cloth mois
18. dog timer time out PON Power on signal CLK Clocks data into digital potentiometer chip US POT LD POT LD is used to select digital potentiometer chip US SDI Serial Data Input to digital potentiometer chip US PRB PRB DET is used to inform processor if probe is plugged in DET PRB Signal used to inform processor about probe cable problem FAULT QUIET Signal used to shut down power down supply during data acquisi tion RX External RS 232 receive CTSO line RED Used to control MOSFET H bridge Q8 and Q9 which powers DRV probe LED s RESET System reset signal generated by the watch dog timer U18 RST Resets integrator U27B by shorting capacitor C50 INT SHT Output of the microprocessor to turn unit off DWN TX External RS 232 transmit line TEN Signal which enables RS 232 driver Is connected to PRB DET signal Oximeter Operation and Service Manual 9 5 Chapter 9 Service Maintenance and Repair TXAO Asynchronous serial communication transmit signal to RS 232 VAMB VAMB is the output of the front nd differential amplifier V BT Battery voltage VR Output voltage from the digitally controlled potentiometer VREF 2 5VDC reference to voltage V RAM Voltage used to maintain trend information in RAM VCC 5VDC used for digital output supply voltage VDD WDT Watch dog timer strobe Test Equipment and Tools Required To diagnose and repair the full extent
19. e s amp eio 2mmp Use by 1 4 Oximeter Operation and Service Manual Chapter 1 Introduction Warnings Cautions and Notes WARNING Federal law USA restricts this device to sale by or on the order of a physician WARNING This device is not intended for continuous patient monitoring This device is intended to measure the patient s SpO and pulse rate values There are no audi ble or visible alarms WARNING This device must be used in conjunction with clinical signs and symptoms This device is only intended to be an adjunct in patient assessment WARNING Do not use this device in the presence of flam mable anesthetics WARNING Do not use this device in the presence of mag netic resonance imaging MR or MRI equipment WARNING Prolonged use or the patient s condition may require changing the sensor site periodically Change sen Sor site and check skin integrity circulatory status and correct alignment at least every 4 hours gt PPR P PP WARNING When connecting this monitor to any instru ment verify proper operation before clinical use Refer to the instrument s user manual for full instructions Acces sory equipment connected to the monitor s data interface must be certified according to the respective IEC stan dards 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 sys tems
20. hapter 2 General Description PULSE STRENGTH BARGRAPH The eight segment bar graph sweeps with the patient s pulse beat indi cating pulse strength The bar graph is logarithmically scaled to indicate a wide range of pulse strengths land OKEYS Press P to turn on the oximeter Press O to turn off the oximeter While the oximeter is on momentarily pressing the P key increments the patient number While the oximeter is on pressing and holding the P key for about six seconds clears all the spot check data and resets the patient number to P i The oximeter turns off automatically two minutes after the sensor is removed from the patient or after the sensor is disconnected from the oximeter This feature extends the battery use time LOW BATTERY INDICATOR When about two hours of battery use time remains the left most bar graph segment lights The oximeter will continue to operate normally until the batteries no longer have sufficient power to operate the oximeter At that point the oximeter automatically turns off BATTERIES AND ACCESS DOOR The oximeter s three C cell batteries are accessed through this door on the backside of the oximeter See Installing or Replacing the Batteries for details on installing or replacing the batteries Oximeter Operation and Service Manual 2 3 Chapter 2 General Description Theory of Operation The oximeter determines SpO and pulse rate by passing two waveleng
21. ient or after the sensor is disconnected from the oximeter This feature extends the battery use time NOTE At power up when the sensor is disconnected and patient data is stored the oximeter will turn off automati cally two minutes after the oximeter executes its print patient routine Checking the Oximeter s Performance Pulse oximeters do not require user calibration To check the function of the device an optional Oximeter ECG Patient Simulator is available as an accessory BCI Cat 1606HH The simulator attaches to the oximeter in place of the sensor or patient cable It provides a known SpO and pulse rate signal to the oximeter allowing the oximeter s performance to be checked Follow the instructions included with the Oximeter ECG Patient Simulator Oximeter Operation and Service Manual 3 9 This page is intentionally left blank Chapter 4 Printer and Computer Interface Chapter 4 Printer and Computer Interface Computer Interface Description The oximeter can transfer stored data to a PC Information Data Log and Spot Checks will be displayed saved to a file in the format as shown in the Spot Check Printouts section of this manual Equipment Required 1 Hand Held Oximeter 2 3350 Printer Cable 3 3339 PC Adapter Cable 4 Communication settings Baud rate 9600 Data bits 8 Stop bits 1 Parity none I O Port Serial RS 232C Data Type ASCII Data Format 9600 baud 1 start bit 8 data bits 1 stop bit no parit
22. imeter Operation and Service Manual 6 1 Chapter 8 Specifications Pulse Rate Range 30 254 BPM Accuracy 2 at 30 254 BPM Averaging 8 second average Display Update Rate 1 Hz Auxiliary Printer Output Data saved every thirty 30 seconds can be printed spot check Power Requirements Uses three standard alkaline type LR 14 or nickel cadmium C cell bat teries type KR27 50 Battery Life Approximately 24 hours in continuous mode or 80 hours in spot check mode Dimensions Width 3 25 inches 82 6 mm Height 6 3 inches 160 mm Depth 1 25 inches 31 75 mm Weight 9 ounces 255 grams without the batteries Environmental Specifications Operating Temp 0 55 C 32 131 F Storage Temp 34 70 C 29 158 F Relative Humidity 10 9596 storage non condensing 15 9596 operating non condensing 8 2 Oximeter Operation and Service Manual Chapter 9 Service Maintenance and Repair Chapter 9 Service Maintenance and Repair The service maintenance and repair section contains circuit descriptions voltage test points and waveform test points The Appendix contains detailed parts lists and circuit diagrams 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 General Description The oximeter contains one circuit board This board contains all power su
23. ion For ordering information contact your local distributor or the Smiths Med ical PM Inc customer service department Smiths Medical PM Inc Phone 262 542 3100 N7 W22025 Johnson Drive Fax 262 542 3325 Waukesha WI 53186 USA Email Address info smiths bci com 7 2 Oximeter Operation and Service Manual Chapter 8 Specifications Chapter 8 Specifications Equipment Classification Type of Protection Against Electric shock Internally Powered Mode of operation Continuous Degree of Protection Against ingress of Liquids IPX1 drip proof Degree of Mobility Portable Degree of Protection Against Electric Shock Type BF Safety Requirements EN60601 1 1990 Displays Indicators amp Keys SpO Pulse Rate Pulse Strength Keys SpO Range Accuracy Averaging Display Response Display Update Rate Calibration Sensors LED numeric display 0 46 inches 11 68 mm high LED numeric display 0 38 inches 9 65 mm high Logarithmically scaled 8 segment LED bar graph amp Okeys 0 99 2 at 70 99 8 pulse beat average The display is to functional saturation The pulse strength bar graph is not proportional to pulse vol ume 1 Hz SpO 60 Hz pulse strength Factory calibrated over range 70 to 100 SpO using human blood samples to functional saturation Test methods available upon request No in service calibration required Red 660nm 2mW typical Infrared 905nm 2 2 4mW typical Ox
24. l Supplies and Accessories NOTE Operation of this device may be adversely affected in the presence of strong electromagnetic sources such as electrosurgery equipment 1 Microfoam is a registered trademark of the 3M Company 1 6 Oximeter Operation and Service Manual Chapter 1 Introduction NOTE Operation of this device may be adversely affected in the presence of computed tomograph CT equipment NOTE Use only SpO sensors supplied with or specifi cally intended for use with this device NOTE SpO measurements may be adversely affected in the presence of high ambient light Shield the sensor area with a surgical towel for example if necessary NOTE 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 NOTE Any condition that restricts blood flow such as use of a blood pressure cuff or extremes in systemic vas cular resistance may cause an inability to determine accurate pulse rate and SpO readings NOTE Remove fingernail polish or false fingernails before applying SpO sensors Fingernail polish or false finger nails may cause inaccurate SpO readings NOTE The presence of dyshemoglobins such as carbox yhemoglobin with CO poisoning or methemoglobin with sulfonamide therapy may adversely affect the accuracy of the SpO measurement NOTE Hazards arising from
25. logic 1 0 indicates logic 0 and x indicates either logic O or 1 The Open circuit state is used to check for a possible probe cable fault In case of probe cable fault one of the LED wires can short to the ground shield causing high current through the probe LED To prevent this before turning any LED on the processor checks the cable by floating the H bridge If the cable is shorted CON3 and CON connections are pulled low and comparator U9A generates PRB_FAULT signal which causes the processor to shut down the LED excitation cycle and generate the appropri ate message Oximeter Operation and Service Manual 9 5 Chapter 9 Service Maintenance and Repair The differential photo amplifier formed by U1 and U3A converts the pho todetector s current output to a voltage at T10 VAMB Amplifier U3B offsets the signal at T10 allowing a wider signal range Comparator U9B is used to inform the microprocessor if U3A is saturated by an excess of ambient light VAMB is passed through blocking capacitor C77 to remove the signal s DC component The signal is then buffered and amplified by U27A Gain is defined by the first channel of digital potentiometer U5 The output of U27A is routed to the integrator filter offset circuitry U27B con trolled by analog switch S53 The output of the integrator is then routed to the ADC for measurement LED Controller LED controller is built around U22 and U23 buffers Data is latched into buffe
26. n in the following table Device Address Space OTP ROM 0 FFFF RAM 10000 1FFFF Display Select Signal 20000 2FFFF Display Select Signal DSP LD is used to latch displayed data into U22 and U23 LED drivers Address decoder for Input Output Interface devices is implemented using U17B demultiplexer chip The I O address space is divided according to the following table I O Address Space Device 0 3F Used by Z180 for internal registers 40 7F Input port 80 BF Output port Watch dog timer U18 is used to reset microprocessor in case of ESD and at power up Its internal comparator is used to compare battery voltage offset by Vr voltage coming from digitally controlled potentiometer with internal U18 voltage reference The output of the comparator signal BATT is used to detect battery voltage The following battery states are distinguished by this measurement system Battery Voltage Condition 2 7V Dead battery level units shuts itself off 3 0V Low battery level signal to user 4 5V Ok battery level RS 232 communication interface is built around Q3 Q5 and Q6 It con verts CMOS voltage levels into RS 232 bipolar voltage levels Inverter U16C is used to disable communication interface circuitry when oximetry probe is plugged in to reduce power consumption and eliminate cross talk between communication and probe reading 9 2 Oximeter Operation and Service Manual
27. ngth bar graph should be shown If not see Operator s Troubleshooting Chart for help 96 SpO Value Displayed Pulse Rate Value Displayed Pulse Strength Bar Graph Sweeping with Patient s Low Battery Indicator Pulse Press On Figure 3 7 SpO Pulse Rate and Pulse Strength Bar Graph The SpO display shows the patient s blood oxygen saturation calculated as a percentage The pulse rate display shows the patient s pulse rate in beats per minute BPM The pulse strength bar graph shows the patient s pulse strength the bar graph is scaled logarithmically to indicate a wide range of pulse strengths 3 7 Oximeter Operation and Service Manual Chapter 3 Using the Oximeter Patient Numbers and Spot Check Data Whenever the oximeter is on it stores one SpO and pulse rate reading every thirty 30 seconds The stored readings are called spot check data The oximeter remembers spot check data for up to ninety nine 99 patients and seventeen 17 hours of run time The spot check data then can be printed at any time on the optional printer Spot check data is saved for each patient number When you turn on the oximeter the patient number is automatically incremented and displayed during the power up sequence if valid spot check data was collected from the previous patient When the patient number is incremented then spot check data is saved for the new patient number If no valid spot check data was collected from the previous
28. of radio frequency transmitting equipment and other sources of electrical noise in the heath care and home environments for example cellular phone mobile two way radios elec trical appliances it is possible that high levels of such interference due to close proximity or strength of a source may result in disruption of performance of this device The monitor is designed for use in environments in which the signal can be obscured by electromagnetic interference During such interference mea surements may seem inappropriate or the monitor may not seem to operate correctly The monitor generates uses and can radiate radio frequency energy and if not installed and used in accordance with these instructions may cause harmful interference with other devices in the vicinity Disruption may be evidenced by erratic readings Cessation of operation or other incorrect function If this occurs the site of use should be surveyed to determine the source of this disruption and actions taken to eliminate the source e Turn equipment in the vicinity off and on to isolate the offending equipment e Reorient or relocate the other receiving device e Increase the separation between the interfering equipment and this equipment If assistance is required contact Smiths Medical PM Inc Service Depart ment or you local representative Oximeter Operation and Service Manual 6 3 This page is intentionally left blank Chapter 7 Optional Sup
29. on 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 manufac tured 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 in 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 1 2 Oximeter Operation and Service Manual Chapter 1 Introduction Warranty Procedure To obtain warranty service in the USA you must request a Customer Ser vice Report CSR number from Technical Service Reference the CSR number when returning your Product freight and insurance prepaid to Smiths Medical PM Inc N7 W22025 Johnson Drive Waukesha WI 53186 1856 Telephone 1 800 558 2345 Facsimile 262 542 3325 Seller
30. only the last measure Figure 4 2 Print Spot Check Data ment is printed 9 If data is collected for a patient number for more than one minute the relative time since the first measurement is shown for that patient 10 Dashes indicate invalid or unavailable data for example the patient s finger was removed from the SpO sensor 4 4 Oximeter Operation and Service Manual Chapter 5 Operator s Maintenance Chapter 5 Operator s Maintenance Batteries When about two hours of battery use time remains the left most bar graph segment lights The oximeter will continue to operate normally until the batteries no longer have sufficient power to operate the oximeter At that point the oximeter automatically turns off Replace weak or dead batteries with new disposable batteries or freshly charged NiCad batteries See Installing or Replacing the Batteries for instructions Disposal of batteries and rechargeable batteries Batteries and rechargeable batteries e do not throw into fire risk of explosion e do not force open danger of corrosion e do not recharge normal batteries Batteries and rechargeable batteries must be treated as special waste dispose of in accordance with local waste disposal regulations For information contact the local environmental protection offices or licensed waste disposal contractors Sensors AN WARNING Prolonged use or the patient s condition may require changing the sensor site
31. periodically Change sen Sor site and check skin integrity circulatory status and correct alignment at least every 4 hours CAUTION Do not autoclave ethylene oxide sterilize or immerse the sensors in liquid Reusable Sensors Clean the reusable sensor s surfaces with a soft cloth moistened in a mild soap solution If disinfection is required wipe the reusable sensor s sur faces with a soft cloth moistened in isopropyl alcohol Do not allow liquid to enter any of the sensor s openings Oximeter Operation and Service Manual 5 1 Chapter 5 Operator s Maintenance Disposable Sensors Disposable sensors are for single patient use only Disposable sensors can be repositioned on the same patient as long as the correct SpO and pulse rate values are shown after repositioning Disposable sensors cannot be cleaned or repaired discard them if they become soiled or no longer work Cleaning the Oximeter s Surfaces CAUTION Do not autoclave ethylene oxide sterilize or immerse the oximeter in liquid Clean the oximeter s surfaces with a soft cloth moistened in a mild soap solution If disinfection is required wipe the oximeter s surfaces with a soft cloth moistened in isopropyl alcohol Do not allow any liquid to enter any of the oximeter s openings Long Term Storage Remove the batteries from the oximeter before long term storage or if the oximeter won t be used for 6 months or more This protects the oximeter from damage d
32. plies and Accessories Chapter 7 Optional Supplies and Accessories Cat No 1300 1301 1302 1303 1310 1311 1606HH 1818R 3025 3026 3043 3044 3049 3078 3134 3135 3136 3137 3138 3178 3311 3315 3318 3339 3444 3350 Description Sensor Oximetry Disposable Adult Finger Sensor Oximetry Disposable Pediatric Finger 15 45 Kg Sensor Oximetry Disposable Neonate lt 3 Kg Sensor Oximetry Disposable Infant 3 15 Kg D O T Reusable Oximetry Sensors D O T Sensor Replacement Tape Simulator amp Cable Oximeter 5 ft Manual Operation English and Spanish and Service English Sensor Oximetry Wrap Infant 3 15 Kg Sensor Oximetry Wrap Neonate lt 3 Kg Sensor Oximetry Universal Y Sensor Oximetry Finger Strips Adhesive Sensor Oximetry Ear Tape Attachment Neonatal Tape Attachment Infant Tape Attachment Neonatal Tape Attachment Infant Posey Wrap Attachment Universal Y Sensor Oximetry Pediatric Finger Cable Patient 5 ft Case Carrying Protective Boot with Strap PC Adapter Cable Sensor Oximetry Finger Comfort Clip Cable printer interface Oximeter Operation and Service Manual Quantity 10 box 10 box 10 box 10 box 3 box 24 pkg each each each each each each 40 pkg each 50 pkg 50 pkg 100 pkg 100 pkg 10 pkg each each each each each each each 7 1 Chapter 7 Optional Supplies and Accessories Ordering Informat
33. pply microprocessor date acquisition and display circuitry Power Supply and ON OFF Circuitry The power supply is built around a switch mode regulator IC U10 It is configured as a fly back regulator to convert input voltage in the range of 2 7 4 5 VDC into 5VDC output voltage Negative voltage used by the analog section is generated as a by product of the main 5 VDC supply Charge pump C55 D4 C69 is used to convert pulsatile voltage on the out put LX of U10 into negative voltage in the range of 4VDC to 6VDC The V RAM voltage used by the on off circuitry and RAM is generated either from the battery or from VCC when unit is on V RAM is taken straight from the battery due to the maximum voltage being 4 5V V RAM may approach 3VDC as the battery power gets depleted however this voltage is high enough to retain trend data in RAM Capacitor C70 is used to maintain V RAM when batteries are being replaced It can keep infor mation in RAM for more than 1 5 minutes On Off circuitry is built around U7A U7B flip flop which directly con trols regulator IC U10 Digital Section Microprocessor U11 is Hitachi HD64180 Its address and data buses are connected to the One Time Programmable Read Only Memory OTP ROM U12 and Random Access Memory RAM U24 Memory Address Decoder is implemented using U17A demultiplexer chip Oximeter Operation and Service Manual 9 Chapter 9 Service Maintenance and Repair Memory address map is show
34. rs by DSP LD signal Signal DSP EN is used to disable LED s at power up to limit initial surge current Signal Dictionary This section lists in alphabetical order the signal names used on the sche matics The signal s origin destination and purpose are described Signal Description ADCLK 3 wire serial interface for analog to digital converter U6 ADOUT ADCS AMB Signal informing processor about excess of ambient light FAULT ANA 5 Filtered VCC ANA 5 powers the analog circuitry ANA 5 ANA 5 powers the analog circuitry BASE Keeps integrator U27B fro saturating during data acquisitions BATT Signal from watchdog timer U18 to inform processor of low bat tery condition CAP Signal used to short blocking capacitor C77 to ground GND CTSO Serial Port Clear To Send handshake signal from external RS 232 communication device 9 4 Oximeter Operation and Service Manual Chapter 9 Service Maintenance and Repair CON2 Probe LED s driving signals CON3 DSP Enable display drivers signal EN DSP LD Signal used to load data into display drivers FET ON Used to control MOSFET H bridge Q8 and Q9 which powers probe LED s INTGAT Signals used to enable integrator U27B IR DRV Used to control MOSFET H bridge Q8 and Q9 which powers probe LED s NMI Non Maskable Interrupt that signals watch
35. software errors have been minimized Hazard analysis was performed to meet EN1441 1997 NOTE Optical cross talk can occur when two or more sensors are placed in close proximity It can be eliminated by covering each site with opaque material Oximeter Operation and Service Manual 1 7 This page is intentionally left blank Chapter 2 General Description Chapter 2 General Description Intended Use The oximeter provides fast reliable SpO and pulse rate measurements It can be used in the hospital or clinical environment and during emergency air or land transport The oximeter will operate accurately over an ambient temperature range of 32 to 131 F 0 to 55 C The oximeter works with all BCI oximetry sensors providing SpO and pulse rate on all patients from neonate to adult Features Provides fast reliable SpO and pulse rate measurements on any patient from neonates to adults Ideally suited for use in intensive care units in outpatient clinics in emergency rooms or during emergency air or land transport Portable and lightweight Weighs only 9 ounces 255 grams with out the batteries Ergonomically designed to fit comfortably in the palm of your hand Uses three standard alkaline batteries type LR 14 or three rechargeable type KR27 50 NiCad C cell batteries Battery life is approximately twenty four 24 hours in continuous mode or eighty 80 hours in spot check mode Bright easy to read LED
36. t the document is error free or that it is accurate regard ing any specification Warranty Limited Warranty Seller warrants to the original purchaser that the Product not including accessories shall be free from defects in materials 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 work manship under normal use if used in accordance with its labeling for one year from the date of shipment to the original purchaser USA only Oximeter Operation and Service Manual 1 1 Chapter 1 Introduction Disclaimer of Warranties THE FOREGOING EXPRESS WARRANTY AS CONDITIONED AND LIMITED IS IN LIEU OF AND EXCLUDES ALL OTHER WARRAN TIES 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 for the suitability of the Product for any par ticular 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 after it leaves Seller s possession executi
37. tened in water or a mild soap solu tion To disinfect the sensor wipe the sensor with isopropyl alcohol Finger Sensor for Adult or Pediatric Finger Attach the finger sensor to the patient as shown Be sure to fully insert the patient s finger into the sen sor For patients with long fingernails use the universal Y sensor Figure 3 5 Attach the Finger Sensor Oximeter Operation and Service Manual 3 5 Chapter 3 Using the Oximeter Attach the Sensor to the Oximeter e Attach the sensor connector to the oximeter s PATIENT CABLE SENSOR connector e If you need the extra length of the patient cable attach the sensor to the patient cable then attach the patient cable to the oximeter s PATIENT CABLE SENSOR connector Figure 3 6 Attach the Sensor to the Oximeter Measuring the Patient s SpO and Pulse Rate To begin measuring the patient s SpO and pulse rate press the P key When turned on the oximeter goes through this power up sequence e The pulse strength bar graph segments light one at a time e The oximeter s software revision is momentarily displayed e The patient number for spot check printouts is momentarily dis played The format for the patient number display is P followed by the number For example P iH means the patient number is 14 3 6 Oximeter Operation and Service Manual Chapter 3 Using the Oximeter After a few seconds the SpO value pulse rate and pulse stre
38. that the system complies with the requirements of the sys tem standard IEC 601 1 1 4 2 Oximeter Operation and Service Manual Chapter 4 Printer and Computer Interface Spot Check Printouts Collecting Spot Check Data Whenever the oximeter is on it stores one SpO and pulse rate reading every thirty 30 seconds The stored readings are called spot check data The oximeter remembers spot check data for up to ninety nine 99 patients and seventeen 17 hours of run time The spot check data then can be printed at any time on the optional printer Spot check data is saved for each patient number When you turn on the oximeter the patient number is automatically incremented and displayed during the power up sequence if valid spot check data was collected from the previous patient When the patient number is incremented then spot check data is saved for the new patient number If no valid spot check data was collected from the previous patient the patient number is displayed only and is not incremented The oximeter remembers all the spot check data and all the patient numbers for up to ninety nine 99 patients and sev enteen 17 hours of run time Manually Incrementing the Patient Number Press the P key while the oximeter is on to manually increment the patient number The new patient number is momentarily displayed and spot check data for the new patient is automatically saved Clearing All Spot Check Data Press and hold
39. the P key for about six seconds while the oximeter is on to clear all spot check data and reset the patient number to P 1 While you are holding the f key the message Cir flashes on the display to notify you that the spot check data for all patients is about to be cleared When the spot check data is cleared the display shows P About the Oximeter s Batteries and Spot Check Data NOTE If you ve collected spot check data for printing make sure you print the spot check data before removing and replacing the oximeter s batteries Removing the batteries erases spot check data from the oximeter s memory Oximeter Operation and Service Manual 4 3 Chapter 4 Printer and Computer Interface Printing Spot Check Data 1 Set up the oximeter and the kk sk ok ok ok sk ok ok ok ook kk a a printer as previously described SPOTCHECK 2 Disconnect the SpO sensor PN from the oximeter Turn on the printer 4 Turn on the oximeter The oximeter prints the spot check data for each patient from patients 1 99 as shown in the sample printout 5 If there is no spot check data at all the message is printed g BPM 74bpm 6 The oximeter does not automati Min Sec BPM cally turn itself off when print 0 00 62bpm i t check data ep 6Sbpm Ing spo rata a Pini 7 Ifno valid data is collected for a 1 30 z patient number is printed 2 00 8 If valid data is collected for a patient number for less than one minute
40. ths of light one red and one infrared through body tissue to a photodetector During measurement the signal strength resulting from each light source depends on the color and thickness of the body tissue the sensor place ment 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 Low intensity red and infrared LED light sources Detector Figure 2 2 Oximetry Theory of Operation The oximeter processes these signals separating the time invariant parame ters tissue thickness skin color light intensity and venous blood from the time variant parameters arterial volume and SpO to identify the pulse rate and calculate oxygen saturation Oxygen saturation calculations can be performed because oxygen saturated blood predictably absorbs less red light than oxygen depleted blood 2 4 Oximeter Operation and Service Manual Chapter 3 Using the Oximeter Chapter 3 Using the Oximeter Unpack the Oximeter Carefully remove the oximeter and its accessories from the shipping car ton Save the packing materials in case the oximeter must be shipped or stored Compare the packing list with the supplies and equipment you received to make sure you have everything you ll need Install the Batteries The oximeter uses three standard C cell batteries type LR 14 You can use disposable alkaline batteries or rechargeable type KR
41. ue to batteries leaking acid Store the oximeter in its original shipping carton and packing materials to help protect the oximeter from damage during storage 5 2 Oximeter Operation and Service Manual Chapter 6 Operator s Troubleshooting Chart Chapter 6 Operator s Troubleshooting Chart Problem Possible Cause Corrective Action No pulse shown on the bar graph Patient cable or sen sor is disconnected from the oximeter Sensor is incorrectly positioned on the patient Poor patient perfu sion Defective sensor or patient cable Check sensor connections to the patient cable and to the oximeter Reposition the sensor Reposition the sensor Try anew sensor or contact your authorized repair center for help Pulse rate is erratic Sensor incorrectly Reposition the sensor or incorrect Patient motion intermittent or positioned incorrect Patient motion SpO value is Poor patient perfu Reposition the sensor erratic intermittent sion Patient must remain still to obtain an accurate measurement The oximeter doesn t turn on Batteries weak Batteries not installed or batteries incorrectly installed Replace the batteries Ensure the batteries are installed correctly Oximeter Operation and Service Manual Chapter 6 Operator s Troubleshooting Chart The oximeter turns off unexpectedly The oximeter turns itself off automati
42. y I O Connector Standard DB 9 Interface Instructions 1 Disconnect the sensor from the oximeter Connect the printer adapter cable part 3350 to the sensor connector on the unit 3 Connect 9 pin connector of PC adapter cable part 3350 to the printer adapter cable part 3339 Be sure to connect the 3339 to the end of the 3350 cable marked as printer Oximeter Operation and Service Manual 4 1 Chapter 4 Printer and Computer Interface 4 Using the PC adapter cable part 3339 connect the 9 pin connector of the PC adapter cable to the COM port on the PC as shown in figure 4 1 Connect to Oximeter oaii catalog 3350 Printer Adapter db 9 Connector CH pho Cable catalog 3339 PC Adapter Connect to IBM db 9 Connector Compatible PC or Printer Figure 4 1 Connect the Oximeter to a PC A WARNING When connecting this monitor to any instru ment verify proper operation before clinical use Refer to the instrument s user manual for full instructions Acces sory equipment connected to the monitor s data interface must be certified according to the respective IEC stan dards 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 sys tems requirements Anyone connecting additional equip ment to the signal input port or signal output port configures a medical system and therefore is responsible
Download Pdf Manuals
Related Search