P1 Patient Monitor User’s Manual
12-6
2. Connect the airpipe to the NIBP cuff connector of the device.
3. Select an appropriately sized cuff for the patient, and then wrap it around the
limb directly over the patient’s skin as follows:
a) Determine the patient’s limb circumference.
b) Select an appropriate cuff by referring to the limb circumference marked
on the cuff. The width of the cuff should be 40% (50% for neonates) of
the limb circumference, or 2/3 of the length of the upper arm or the thigh.
The inflatable part of the cuff should be long enough to encircle at least
50% to 80% of the limb.
c) Apply the cuff to the patient’s upper arm or leg and make sure the
marking on the cuff matches the artery location. The cuff should fit
snugly, but with enough room for two fingers to be placed between the
cuff and the patient’s arm (on adults), and loosely on neonates with little
or no air present within the cuff. Otherwise it may cause discoloration
and ischemia of the extremities. Make sure that the cuff index line falls
within the range markings on the cuff.
d) Middle of the cuff should be at the level of the right atrium of the heart.
4. Connect the cuff to the air tubing. Avoid compression or restriction of
pressure tubes. Air must pass unrestricted through the tubing.
CAUTION：
A wrong cuff size and a folded or twisted bladder can cause inaccurate
measurements.
Do not touch or apply external pressure against the cuff and air tubing during
NIBP measurement. This may cause inaccurate blood pressure values.
Use care when placing the cuff on an extremity used for monitoring other
patient parameters. Pressurization of the cuff may temporarily cause loss of
function of simultaneously used monitoring equipment on the same limb.
12.7. Starting and Stopping NIBP Measurements
Start and stop NIBP measurement by selecting the NIBP quick key keys or from the
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