ELECTRONIC SPHYGMOMANOMETER Russian patent published in 2015 - IPC A61B5/22 

Abstract RU 2555111 C2

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment. An electronic sphygmomanometer comprises a cuff, an inflation and pressure release unit for the cuff pressure adjustment, two pressure sensors, two generation circuits generating a rectangular signal at a pressure-dependent frequency, a generation circuit adjustment circuit ensuring passing an output signal from one of the above generation circuits, and a control circuit for generating an input rectangular signal from the circuit adjustment circuit and for calculating blood pressure at a rectangular signal frequency. The pressure sensors are connected to the cuff and matched with the generation circuits. The adjustment circuit is configured as a common one for the above generation circuits. The control circuit switches between the generation circuits by producing a signal of switching to one of the generation circuits. The control circuit generates the first signal of switching to the first generation circuit and determines the first cuff pressure dependent on the first rectangular signal frequency. The control circuit generates the second signal of switching to the second generation circuit and determines the second cuff pressure dependent on the second rectangular signal frequency. The control circuit detects if there is a failure of the above pressure sensors as shown by the first and second cuff pressure difference.

EFFECT: invention is expected to increase the measured blood pressure reliability when using more than one sensor.

4 cl, 9 dwg

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RU 2 555 111 C2

Authors

Doi Riosuke

Nisioka Takanori

Takeoka Kokhei

Savanoj Jukija

Khoribata Keniti

Janagaze Masataka

Khatimaru Idzumi

Dates

2015-07-10Published

2010-11-08Filed