Method of determining which portion of a stress sensor is best p

Details Method of determining which portion of a stress sensor is best p Method of determining which portion of a stress sensor is best p

1992-02-13

1993-11-23

Cohen, Lee S.

Surgery

Truss

Pad

128677, A61B 502

Patent

active

052634841

ABSTRACT:
A method, for use in a non-invasive blood pressure monitoring system, of determining which portion of a stress sensitive element of a tissue stress sensor is best located for detecting the stress of tissue overlying an artery of interest. The tissue stress sensor is placed in communication with tissue overlying the artery of interest and a plurality of electrical signals are obtained therefrom representing stress data across the length of the stress sensitive element. Each electrical signal represents stress datum communicated to a predetermined portion of the stress sensitive element. From the stress datum, a centroid of energy is computed and the centroid of energy is used to determine which portion of the stress sensitive element is best located for determining the blood pressure within the artery of interest. A second method is disclosed which uses the centroid of a tissue foundation flexibility function to determine the best location along the stress sensitive element for determining blood pressure.

REFERENCES:
patent: 4269193 (1981-05-01), Eckerle
patent: 4802488 (1989-02-01), Eckerle
patent: 4893631 (1990-01-01), Wenzel et al.
patent: 5158091 (1992-10-01), Butterfield et al.

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