Oscillometric blood pressure measuring apparatus

Details Oscillometric blood pressure measuring apparatus Oscillometric blood pressure measuring apparatus

1994-07-12

1996-10-01

Sykes, Angela D.

Surgery

Truss

Pad

128682, 128687, A61B 500

Patent

active

055603661

ABSTRACT:
An oscillometric blood pressure measuring apparatus, including an inflatable cuff adapted to be wound around a body portion of a living subject, an oscillometric blood pressure measuring device which supplies a fluid pressure to the cuff to press the body portion of the subject, detects variation of a plurality of pulse amplitudes of a pulse wave which is produced in the cuff in synchronism with heartbeat of the subject while the fluid pressure of the cuff is changed, and determines a blood pressure of the subject based on the variation of the pulse amplitudes, a cuff pulse-wave detecting device which detects a pulse wave which is produced in the cuff when the fluid pressure of the cuff takes a reference pressure value not higher than a mean blood pressure of the subject, and produces a pulse wave signal representative of the detected pulse wave, and a waveform storing device including a waveform memory, for storing a waveform of a pulse wave of the subject by utilizing the pulse wave signal produced by the cuff pulse-wave detecting device.

REFERENCES:
patent: 4699152 (1987-10-01), Link
patent: 4776344 (1988-10-01), Shirasaki et al.
patent: 4944305 (1990-07-01), Takatsu et al.
patent: 4949710 (1990-08-01), Dorsett et al.
patent: 5054494 (1991-10-01), Lazzaro et al.
patent: 5099853 (1992-03-01), Uemura et al.
patent: 5238000 (1993-08-01), Niwa
patent: 5368039 (1994-11-01), Moses
patent: 5423324 (1995-06-01), Tomita
Patent Abstracts of Japan, vol. 16, No. 375 (C-0973), Nunome Tomohiro, 12 Aug. 1992.

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