Pulse wave detecting apparatus

Details Pulse wave detecting apparatus Pulse wave detecting apparatus

1991-02-20

1992-12-15

Cohen, Lee S.

Surgery

Truss

Pad

A61B 502

Patent

active

051707969

ABSTRACT:
A pulse wave detecting apparatus, including a pulse wave sensor having a press surface on which a plurality of pressure sensing elements are provided in an array, a main device receiving an electric signal from each of the pressure sensing elements, a determining device determining a correlation between a distribution of magnitudes of the electric signals as taken along the array of pressure sensing elements, and each of a plurality of predetermined reference distributions which is indicative of a corresponding one of a plurality of different relative positions of the array of pressure sensing elements with respect to the blood vessel, a selecting device selecting one of the reference distributions which provides the greatest correlation of all the correlations determined by the determined device, and a transmitting device transmitting to the main device the electric signals generated from the pressure sensing elements in a portion of the array of pressure sensing elements which portion corresponds to the relative position indicated by the reference distribution selected by the selecting device.

REFERENCES:
patent: 3985121 (1976-10-01), Hellenbrand
patent: 4836213 (1989-06-01), Wenzel et al.
patent: 4934372 (1990-06-01), Corenman et al.
patent: 4938228 (1990-07-01), Righter et al.
patent: 5000188 (1991-03-01), Kojima

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