9. Holding the sensor at its neck,
approach the MAR from the flap side
(a) or the MARe from any side (b) and
first insert the nose of the sensor into
the retainer ring. Then apply slight
downward pressure on its neck. The
spring tension of the retainer ring will
pull the sensor into place with little to
no pressure on the skin. Rotate the
sensor in the ring and press the sensor
gently against the skin to spread the
contact liquid.
Note: Check that the sensor can be
easily rotated to ensure it is snapped
in correctly.
10. Check sensor application! Ensure that air gaps are
eliminated between the skin and the sensor.
Note: A good, hermetically sealed contact between the sensor
and the skin is essential for TC monitoring!
WARNING: Ensure the sensor is applied correctly.
Incorrect application of the sensor can cause incorrect
measurements.
11. Twist the sensor into the best position. For forehead/
cheek placement wrap the sensor cable once around the ear
and tape the cable to the cheek or another applicable site. For
other application sites, tape the cable to the skin at a distance
of 5 to 10 cm from the sensor head. Route the sensor cable
properly to avoid entanglement
or strangulation and secure
it with a Clothing Clip to an
appropriate site of the patient’s
clothing or bed linen. Ensure
that the sensor cable is loose
enough for not to be stretched
during monitoring. Gently press
on the sensor as a final application check.
12. Verify that the SDM detects that the sensor was placed
on the patient, initiates monitoring and that the enabled
parameters stabilize. If necessary, readjust sensor application
or reposition the sensor.
Note: Typically, PCO
2
increases and PO
2
(if enabled) decreases
to reach a stabilized value within 2 to 10 minutes (p. 30).
SpO
2
and PR usually stabilize within a few seconds.
Note: If more secure sensor attachment is required, e.g.
in high humidity environments, for patients who perspire
profusely and/or in challenging patient motion conditions, the
Staysite™ Adhesive (model SA-MAR) can complementary be
used in addition to the Multi-Site Attachment Rings. Please
refer to the Directions for Use for the Staysite™ Adhesive.
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