Blood pressure measuring apparatus

Details Blood pressure measuring apparatus Blood pressure measuring apparatus

1995-02-21

1997-07-22

Nasser, Robert L.

Surgery

Truss

Pad

128681, 128682, A61B 500

Patent

active

056495366

ABSTRACT:
A apparatus for measuring blood pressure of a living subject, including a blood pressure measuring device which receives a heartbeat synchronous-signal wave generated by arteries of the patient, determines respective amplitudes of successive pulses of said heartbeat-synchronous signal wave, each of which corresponds to one heartbeat of the subject, and provides as a first series of pulse amplitudes, the pulse amplitudes arranged in order of generation. The device further smoothens the first series of pulses and provides a second series of smoothened pulse amplitudes, and determines a blood pressure value based on a change in the second series. The device further provides a two-dimensional output of the first and second series, where one of the two series is superimposed on the other, and/or a representation of the degree of propriety of the measurement condition during which the measurement was performed.

REFERENCES:
patent: 4889133 (1989-12-01), Nelson et al.
patent: 4949710 (1990-08-01), Dorsett et al.
patent: 4984577 (1991-01-01), Frankenreiter
patent: 5406954 (1995-04-01), Tomita
patent: 5505206 (1996-04-01), Walloch

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