English
36
3.2 Caution
1. The nger should be placed properly (see the
attached illustration of this manual (Figure 5),
or else it may cause inaccurate measurement.
2. The SpO
2 sensor and photoelectric receiving tube
should be arranged in a way with the subject´s
arteriole in a position there between.
3. The SpO
2 sensor should not be used at a location
or limb tied with arterial canal or blood pressure
cuff or receiving intravenous injection. Make sure
the optical path is free from any optical obstacles
like rubberized fabric.
4. Excessive ambient light may affect the measuring
result. It includes uorescent lamp, dual ruby light,
infrared heater, direct sunlight and etc.
5. Strenuous action of the subject or extreme electro
surgical interference may also affect the accuracy.
6. Testee can not use enamel or other makeup.
3.3 Clinical restrictions
1. As the measure is taken on the basis of arteriole
pulse, substantial pulsating blood ow of subject
is required. For a subject with weak pulse due to
shock, low ambient/body temperature, major
bleeding, or use of vascular contracting drug,
To Next Page
Loading...