Hemostasis valve having support shoulders

Details Hemostasis valve having support shoulders Hemostasis valve having support shoulders

1991-05-17

1992-03-03

Wilson, John J.

Surgery

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

Treating material introduced into or removed from body...

604167, 137846, 2511491, A61M 500

Patent

active

050928570

ABSTRACT:
Disclosed herein is a hemostasis valve which is formed of a longitudinally extended valve housing having a first opening and a central longitudinal passage communicating with an opposite second opening. A cap is provided for enclosing the first opening of the housing, said cap having a hole to permit insertion of a catheter. Also provided is a one-piece seal located within the longitudinally extended housing, said seal comprising a sealing neck having a relatively small opening therein, communicating with a sealing chamber having opposing sealing exit lips which are both readily expandable and support shoulders on the outside of said seal adjacent to the sealing neck to provide support for the seal.

REFERENCES:
patent: 4436519 (1984-03-01), O'Neill
patent: 4909798 (1990-03-01), Fleischhacker et al.

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