Blood pressure and pulse rate measuring apparatus

Details Blood pressure and pulse rate measuring apparatus Blood pressure and pulse rate measuring apparatus

A - Human Necessities

61

B

73/101, 349/36

A61B 5/02 (2006.01) A61B 5/021 (2006.01) A61B 5/024 (2006.01) A61B 7/04 (2006.01)

Patent

CA 1067198

ABSTRACT OF THE DISCLOSURE In conventional blood pressure measuring apparatus, the simultaneous measurement of a pulse rate and a blood pressure is difficult without the use of complicated attachment devices. In this invention, a pulse rate measuring circuit is provided along with a blood pressure measurement apparatus for a simultan- eous measurement of both pulse rate and blood pressure. Both measurements are derived from at least one microphone signal contained in cuff-device. The pulse rate measuring circuit is designed to commence counting of the number of pulses after at least two Korotkoff's sounds have been detected and continues counting until a predetermined number is reached while the time period required for counting the predetermined number of pulses is measured. The pulse rate is determined by dividing the pre- determined number by the measured time period.

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