Contents
i
1. Overview
Product description................................................................................................... 1-1
Clinical use ..................................................................................................................................................1-1
Relative Perfusion Index (PI
r
) pulsatile value..............................................................................1-2
TruTrak data sampling system.........................................................................................................1-2
Theory of operation.................................................................................................. 1-2
Signal processing.....................................................................................................................................1-2
Calibration...................................................................................................................................................1-4
Assumptions .....................................................................................................................................1-4
Methods ..............................................................................................................................................1-4
Circuit board...............................................................................................................................................1-5
Patient and operator safety................................................................................. 1-6
Electrical shock and flammability hazard...................................................................................1-6
Fire/explosion hazard............................................................................................................................1-6
Failure of operation ................................................................................................................................1-6
Data validity...............................................................................................................................................1-6
Operator safety ........................................................................................................................................1-6
Patient safety and operator safety................................................................................................1-6
Patient safety (oximeter)......................................................................................................................1-7
Patient safety (sensors) ........................................................................................................................1-7
Cleaning........................................................................................................................................................1-7
Maintenance and repair.......................................................................................................................1-8
Disposal........................................................................................................................................................1-8
2. Oximeter Features and Use
Product information labels .................................................................................................................2-1
Oximeter features and controls ......................................................................... 2-2
PI
r
pulsatile value display....................................................................................................................2-3
Top view .......................................................................................................................................................2-3
Checking normal operation.................................................................................. 2-4
Using the oximeter .................................................................................................... 2-5
Data validity and signal strength...................................................................... 2-6
Pleth bar (pulse rate and strength indicator).............................................................................2-6
3. Maintenance, Troubleshooting, and Service
Oximeter maintenance ........................................................................................... 3-1
Replacing oximeter batteries.............................................................................................................3-1
Cleaning the oximeter...........................................................................................................................3-2
Sensors................................................................................................................................................3-2
Troubleshooting.......................................................................................................... 3-3
Repair procedures ..................................................................................................... 3-5
Disassembling the oximeter...............................................................................................................3-5
Replacing parts.........................................................................................................................................3-6
Assembling the oximeter.....................................................................................................................3-6
Assembly drawing ..................................................................................................... 3-7
Parts list .......................................................................................................................... 3-8
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