Abstract.
The authors discuss a new method of noninvasive continuous measurement
of arterial blood pressure, based on the principle of local pressure
compensation. Practical implementation of this method became possible due to
the effective use of modern radio-electronics, characterized by low power
consumption, small sizes and built-in computing and communication components
(microcontrollers). The use of miniaturized pressure sensors, their arrangement
closes to the working area and the possibility of processing measured data in
real time, made it possible to implement a unique method of compensating the
pressure on very small areas (1 mm2 or less) of elastic surfaces,
such as the skin of the human body. Discussion of the method technical
implementation in the form of a pneumatic sensor, features of blood pressure measurement
regimes, obtained results and some theoretical recommendations are devoted to
the relevant sections of the work. The
problem of stability of measurement regimes is discussed in detail.
Experimentally discovered causes of an unstable work are discussed and their theoretical analysis is carried out in order to
outline ways of solving the problem. The conclusion summarizes the results and
outlines the ways of further research.
Key words:
noninvasive
arterial blood pressure measurement, local compensation method, pneumatic
sensor, microcontrollers.
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