Patient Monitor User Manual Monitoring NIBP
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Chapter 12 Monitoring NIBP
12.1 Overview
This monitor uses the oscillometric method for measuring NIBP. It can be used for adult,
pediatric and neonatal patients. It is also intended for use with pregnant, including pre-eclamptic
patients.
Oscillometric devices measure the amplitude of pressure changes in the occluding cuff as the cuff
deflates from above systolic pressure. The amplitude suddenly increases as the pulse breaks
through the occlusion in the artery. As the cuff pressure decreases further, the pulsations increase
in amplitude, reach a maximum (which approximates to the mean pressure), and then diminish.
The blood pressure measurements determined with this device comply with the American
National Standard for Electronic or Automated Sphygmomanometers (ISO 81060-2:2013) in
relation to mean error and standard deviation. In clinical investigation method with a reference
sphygmomanometer, the fifth Korotkoff sound was used to determine adult diastolic pressure,
and the fourth Korotkoff sound was used to determine pediatric diastolic pressure.
12.2 NIBP Safety Information
WARNING
1 Do not measure NIBP on patients with sickle-cell disease or any condition where skin
damage has occurred or is expected.
2 Do not measure NIBP on the arm of the same side with a mastectomy.
3 Use clinical judgment to decide whether to perform frequent blood pressure
measurements on patients with severe blood clotting disorders because of the risk of
hematoma in the limb fitted with the cuff.
4 Do not apply the cuff to a limb that has an intravenous infusion or catheter in place.
This could cause tissue damage around the catheter when infusion is slowed or
blocked during cuff inflation.
NIBP start/ stop key
Connector for NIBP cuff
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