Blood pressure cuff automatic deflation device

Details Blood pressure cuff automatic deflation device Blood pressure cuff automatic deflation device

1976-09-10

1978-09-26

Michell, Robert W.

Surgery

Truss

Perineal

A61B 502

Patent

active

041162307

ABSTRACT:
A novel device for automatically deflating a blood pressure cuff with a standard two way valve is disclosed. An adjustable deflation rate consistent with normally accepted medical practice of two or three millimeters per heartbeat may be maintained. A two state valve and associated control circuitry for maintaining a constant deflation rate are described. This allows accurate sensing of Korotkoff sounds at different pressure levels.

REFERENCES:
patent: 3482565 (1969-12-01), Gowen
patent: 3552383 (1971-01-01), Krueger
patent: 3593579 (1969-07-01), Hindman
patent: 3609379 (1969-05-01), Hildebrandt
patent: 3623052 (1971-11-01), Spiller
patent: 3654915 (1972-04-01), Sanctuary
patent: 3655095 (1972-04-01), Kienitz
patent: 3736930 (1973-06-01), Georgi
patent: 3905353 (1975-09-01), Lichowsky

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