METHOD FOR DETECTING ARTERIAL PRESSURE Russian patent published in 2005 - IPC

FIELD: medicine.

SUBSTANCE: the suggested method is based upon squeezing the artery through the thickness of all tissues with compensating pressure. Moreover, the later should be periodically measured in the range overlapping the desired dynamic constituent of arterial pressure, at period being shorter against duration of cardiac contraction cycle. One should detect the moments of sharp alteration of the first derivative of signal of pulse fluctuations and fix at these moments the values of compensating pressure, according to the values of compensating pressure obtained in every period of compensating pressure during the whole cycle of cardiac contraction, restore continuous curve line due to interpolation to find extreme values of restored curve, which should be considered to be the upper and the lower values of arterial pressure. In case, when there are no sharp alterations of the first derivative of the signal of pulse fluctuations within alteration range of compensating pressure one should increase constant constituent of compensating pressure, then measurements should be repeated.

EFFECT: higher efficiency of detection.

1 cl, 15 dwg, 1 tbl