Device for measurement of arterial blood pressure

Details Device for measurement of arterial blood pressure Device for measurement of arterial blood pressure

1987-04-03

1989-04-25

Wayner, William E.

Surgery

Truss

Pad

310340, A61B 502

Patent

active

048238023

ABSTRACT:
A device for measurement of arterial blood pressure, comprising a compression cuff with a manometer, and a pulse wave sensor interposed between the compression cuff and the patient's body surface and situated below the cuff axis square with the direction of the pulse wave propagation, said sensor being connected to a recorder and having a piezoelectric crystal plate one of whose working surfaces carries a first elastic current-conducting layer, while the other working surface of said plate carries a second elastic current-conducting layer, a first elastic electric-insulating layer being applied to the surface of the first elastic current-conducting layer, and a third elastic current-conducting layer is situated on the surface of said first electric-insulating layer.

REFERENCES:
patent: 3202962 (1965-08-01), Elston
patent: 3230402 (1966-01-01), Nightingale et al.
patent: 3360665 (1967-12-01), Boswell
patent: 4443730 (1984-04-01), Kitamura et al.

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