METHOD FOR INCREASING LEVEL OF THE PULSE WAVE SENSOR OUTPUT SIGNAL

Pisarev Arkadiy Petrovich, candidate of technical sciences, associate professor, sub-department of information computer systems, Penza State University (40 Krasnaya street, Penza, Russia), pisarev602@mail.ru
Pisarev Maksim Arkad'evich, postgraduate student, Penza State University (40 Krasnaya street, Penza, Russia), Pisarevmx@gmail.ru

681.5.08

Background. Considered tasks to reduce mortality cases due cardiovascular system diseases. Proposed problem of development effective systems for non-invasively CAS monitors with liquid cuff.
Materials and methods. Considered method of increasing amplitude of pressure sensor output signal. The sensor is used to determine pulse oscillation through the liquid chamber interposed between the cuff and the portion. The design of the meter is supplemented with the liquid chamber, through which the sensor senses pressure changes in the soft tissues. Improved accuracy is ensured by increasing the signal / noise ratio, so you can more accurately assess the state of the CVS. In addition, completely eliminated the problem of positioning the sensor relative to an artery.
Results. Proposed an algorithm for computing values of blood pressure indirectly through the pressure pulse fluctuations. The advantage over the know algorithms is eliminated necessity for automatic control of the sensor’s pressing force to the artery.
Conclusions. Made conclusion about the possibility of measuring blood pressure indirectly by its calculation from equation of the measured soft tissues pressure value.

monitoring, cardiovascular system (CVS), sensor, blood pressure, pulse oscillation, improving the accuracy of measurement.