Valve assembly

Details Valve assembly Valve assembly

1987-07-13

1989-07-11

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

137853, 222494, A61M 5005

Patent

active

048468100

ABSTRACT:
A valve assembly includes an elongated valve body, an elastomeric sheath laterally enclosing the outside surface of the valve body with the sheath being sealed to the valve body at its ends spaced apart in the elongated direction. An inlet channel extends in the elongated direction from one end of the valve body for receiving a fluid from a container, such as a flexible container. An outlet channel is located at the opposite end of the valve body extending in the elongated direction for discharging the fluid received in the inlet channel. At least one port extends outwardly from the inlet channel to the outside surface of the valve body so that the fluid can flow between the outside surface and the elastomeric sheath causing the sheath to expand. The fluid between the outside surface of the valve body and the sheath flows to at least one other port in the valve body directed inwardly to the outlet channel so that the fluid can be discharged. The sheath prevents back flow from the outlet channel into the container.

REFERENCES:
patent: 2141507 (1938-12-01), Bourdon
patent: 2715980 (1955-08-01), Frick
patent: 2988103 (1961-06-01), Canvasser
patent: 3506163 (1970-04-01), Rauh et al.
patent: 3739952 (1973-06-01), Chafitz et al.
patent: 3902664 (1975-09-01), Deines
patent: 3991768 (1976-11-01), Portnoy
patent: 4346704 (1982-08-01), Kulle
patent: 4568333 (1986-02-01), Sawyer et al.
patent: 4657530 (1987-04-01), Buchwald et al.
patent: 4657536 (1987-04-01), Dorman

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