624074/07 F-5
• Use disposable sensors only once. They cannot
be sterilized and can cause cross infection.
•SpO
2
measurement can be incorrect if
– The patient’s carboxyhaemoglobin or methae-
moglobin increases abnormally
– Dye is injected into the blood
– An electrosurgical unit is used
– Measuring at a site with venous pulse
– There is body movement
– The pulse wave is small (insufficient peripheral
circulation)
• Skin pigmentation can affect the SpO
2
value.
Verify SpO
2
by checking the plethysmographic
waveform and the quality index of the mea-
sured SpO
2
value.
• To avoid cross contamination, only use Masimo
single-use sensors on the same patient.
• Unless otherwise specified, do not sterilize
sensors or patient cables by irradiation, steam,
autoclave or ethylene oxide. See the cleaning
instructions in the directions for use with the
Masimo reusable sensors.
• Never use the SpO
2
adapter in the presence of
any flammable anesthetic gas or high concen-
tration oxygen atmosphere. Failure to comply
with this warning can cause explosion or fire.
• Never use the SpO
2
adapter in a hyperbaric oxy-
gen chamber. Failure to comply with this warn-
ing may cause explosion or fire.
• When not measuring SpO
2
, disconnect the SpO
2
adapter from the instrument. Otherwise, noise
from the sensor can interfere, and incorrect
data is displayed on the screen.
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