Slitted pressure cuff check valve

Details Slitted pressure cuff check valve Slitted pressure cuff check valve

1992-09-14

1994-06-28

Weiss, John G.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

417480, 417566, 1374938, A61M 3700, F04B 4300, F16K 1726

Patent

active

053242670

ABSTRACT:
A check valve for disposable pressure infusion systems having an inflation bulb with a single open end includes a valve body with a pair of intake ports and a discharge port. Disposed at such single open end of the inflation bulb, one of the intake ports permits a flow of pressurizing air from the inflation bulb when squeezed to a pressure cuff through flexible tubing coupled to the discharge port. A flexible diaphragm having slitted openings is disposed within the check valve which provides for opening and closure of a specific port alternatively during squeezes and release of the inflation bulb.

REFERENCES:
patent: 637798 (1899-11-01), Johnson
patent: 2057726 (1936-10-01), Landis
patent: 2189554 (1940-02-01), Schweiss
patent: 2515110 (1950-07-01), Bornstein
patent: 2809589 (1957-10-01), Randolph
patent: 4437490 (1984-03-01), Demers et al.
patent: 4646945 (1987-03-01), Steiner et al.
patent: 5053011 (1991-10-01), Strobel et al.

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