Respironics 920M Manual de servicio

English Instruction and Service Manual Models 920 and 920M Hand Held Pulse Oximeters

2 CAUTION • Federal law (USA) restricts this device to sale by or on the order of a physician. • Read this manual carefully before use of the 920

3 English II. Unpacking Your Pulse Oximeter Contact the carrier immediately if the shipping carton for the 920 is damaged. Carefully unpack the ins

4 III. Introduction A. Indications for Use The 920 Hand Held Pulse Oximeter is intended to be used for monitoring oxygen saturation and pulse rate

5 English IV. Operating Instructions A. Batteries CAUTION • Do not remove any covers other than the battery cover when battery replacement is nec

6 Figure I: Replacing batteries in the 920. IMPORTANT: Insert these two batteries first. Battery Door Battery Orientation

7 English B. General The 920 Hand Held Pulse Oximeter is portable and is intended for attended patient monitoring by trained personnel. It displays

8 Figure III: Front view of the 920. Figure IV: Rear view of the 920. Digital Display Percent Oxygen Saturation Digital Display Heart Rate Pe

9 English 3. Verifying Operation CAUTION • The 920 must be able to measure the pulse properly to obtain accurate SpO2 measurement. Verify that not

10 V. Features A. Controls All functions of the 920 are controlled by switches found on the front of the unit. Refer to Figure III for an illustr

11 English 3. Setup Mode Setup mode is used to control the internal time-of-day clock and the external real-time printer (purchased separately). Th

12 Display Press Press Proceed to calendar setup Default Setting Press Press SpO2 Display Setup Mode Increment printer mode Prn 0 y Figure V:

13 English b. Calendar Settings After the printer setting has been determined in the setup mode, “y” will appear in the SpO2 display indicating cal

14 c. Clock Settings After the calendar settings have been determined in the setup mode, “h” will appear in the SpO2 display indicating clock setu

15 English B. Displays 1. SpO2 Display The left digital display is a 3-digit light emitting diode (LED) digital display that indicates oxygen sat

16 4. Flashing Display The numerical displays will flash once each second if the 920 determines that a battery low condition exists. Replace all si

17 English C. Printer/Serial Output Both the 920 and 920M Hand Held Pulse Oximeters provide output capability to a custom printer via the 9-pin Sub

18 D. Memory Option (920M only) The memory option is identified by the “M” in the model number (i.e., 920M as opposed to the 920). This model numbe

19 English 2. Memory Output Mode To output the data stored in the memory of the 920M, start with the unit OFF and then: 1) Hold the “ñ” switch whi

20 920M Memory Data Format DATA 1 DATA 2 CHECK SUM** NOTE $FE $FE $FC Header of first file month Day XX Current time year Minute XX seco

21 English VI. Pulse Oximeter Sensors WARNING • Use only Respironics-manufactured sensors. These sensors are manufactured to meet the calibration re

iii English About the Manual Boxes draw attention to contraindications, warnings, and cautions. The boxed messages are important. Be sure to read

22 Respironics Reusable Sensor Reference Sensor Description Respironics Model Number Approximate Patient Weight Range Preferred Site Application Adul

23 English Respironics Disposable Sensor Reference Sensor Description Respironics Model Number Patient Weight Range Preferred Application Application

24 B. Finger Clip Sensors NOTE: For the best results, secure the sensor cable independently from the sensor, preferably around the base of the fin

25 English C. Flex Sensors NOTE: For optimum light transmission, attach the sensor on the finger or toe. For best results, secure the cable indepen

26 2. Infant Flex Sensor NOTE: The preferred sensor site for infants is on the big toe. This placement provides increased light transmission compar

27 English Attach the sensor by wrapping the tape or sensor wrap over the sensor assembly snugly, but not so tight as to restrict blood flow. For bes

28 2. Reflectance Sensor The Reflectance Sensor is for use on well-vascularized skin surfaces. For adults, this will usually be the center of the f

29 English Step 2: Place the patient's finger or toe in the sensor with the nail side up and the tip of the finger or toe centered against the

30 F. Infant and Neonatal Disposable Sensors WARNING • Do not stretch the tape while applying the sensor. This may cause inaccurate readings or sk

31 English Figure XVI: Infant Flexi-Form Sensor. Step 3: Wrap the tape around the toe taking care to ensure that the detector and emitter are vert

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32 Step 3: Wrap the tape on top and bottom as illustrated. Figure XVII: Neonatal Flexi-Form Sensor. Step 4: Ensure that the detector and emi

33 English G. Cleaning the Sensors CAUTION • Do not immerse the sensors in liquid to clean. • Do not use caustic or abrasive cleaning agents. C

34 VII. Theory of Operation The pulse oximeter shines light (red and infrared) through the tissue and detects the fluctuating signals caused by art

35 English SpO2 = O2Hb + COHb + MetHb SaO2 = 100 x O2Hb /(100 - COHb - MetHb) Where: SpO2 = Respironics 920 determined and displayed oxygen satura

36 VIII. Specifications 1. Oxygen Saturation Range (SpO2) 0 to 100% 2. Pulse Rate Range 18 to 300 Pulses Per Minute 3. Displays Patient Indicat

37 English 6. Temperature Operating -20 to +50 °C Non-operating -30 to +50 °C 7. Humidity Operating 10 to 90% non-condensing Non-operating 10 t

38 IX. Service CAUTION • 920 Hand Held Pulse Oximeters are sensitive and must be repaired by knowledgeable and specially trained personnel only. An

39 English X. Warranty RESPIRONICS, INCORPORATED, (Respironics) warrants to the purchaser, for a period of three years from the date of delivery,

40 XI. Accessories The following Respironics accessories function with the Model 920 Hand Held Pulse Oximeter: Model Pulse Oximeters and Printer 9

41 English Model Test Accessories 960 Finger Phantom® Pulse Oximeter Testing System1 (Starter Kit) (Includes Models 960R, 960H, and 961, and a d

v English Table of Contents I. Contraindications, Warnings, and Cautions... 1 II. Unpacking Your Pulse Oximeter ...

42 XII. Troubleshooting Guide Symptom Possible Cause Possible Solution 920 will not power up Batteries are completely depleted Replace all six ba

43 English Troubleshooting Guide (continued) Symptom Possible Cause Possible Solution Erratic ♥ display and/or yellow perfusion LED during concurre

44 Troubleshooting Guide (continued) Symptom Possible Cause Possible Solution Perfusion LED is blinking red and SpO2 and ♥ displays show Inadequate

vi F. Infant and Neonatal Disposable Sensors...30 1. Infant Flexi-Form Sensor... 30 2. Neonatal Fl

vii English Glossary of Symbols Symbol Definition of Symbol ATTENTION Consult ACCOMPANYING DOCUMENTS Type BF Applied Part: (Patient isolation fr

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1 English I. Contraindications, Warnings, and Cautions CONTRAINDICATIONS • Do not operate in an explosive atmosphere. • Do not operate the RESPI