文件编号：
NR-TP-0715-008
版本：
1.0
- 47 -
Chapter10
NIBP
10.1
Overview
2The monitor uses oscillometric method to measure noninvasive blood pressure (NIBP), and
applies to adults, pediatric.
The oscillometric method for measuring blood pressure is to inflate a cuff with a certain
amount of pressure until the arterial blood flow has been completely blocked. As pressure
decreases, the arterial blood flow will be completely occluded, gradually opened, and
completely opened. Then, the pulsation of the arterial vascular wall will generate a shock
wave in the cuff. SBP, MBP, and DBP are obtained by measuring and analyzing cuff pressure
oscillations when deflating.
Produce first most clear signal - reflect SBP
Oscillation amplitude reaches the peak - reflect MAP
When the cuff pressure is suddenly lowered - reflect DBP
Measuring mode: manual, cycle, and continuous. Each mode shows systolic, mean and
diastolic blood pressure.
Manual mode
Using Manual mode start to measures by hand
Automatic mode measures
Use manual mode to open automatic mode, then the measure will automatically turn to
automatic mode after a certain time. During measurement. Any error will stop the current
automatic measurement, but not affect next automatic measurement unless the time interval
less than 30s. If the time interval less than 30s, should delay the next automatic measurement,
keep the interval more than 30s.
The time interval can be chosen in automatic mode as follow: 1, 2, 3, 4, 5, 10, 15, 30, 60, 90,
120, 180, 240, 480 minutes
Continuous mode
Choose continuous mode, 5 seconds after complete a measurement start the next
