Universal hemostasis valve having improved sealing characteristi

Details Universal hemostasis valve having improved sealing characteristi Universal hemostasis valve having improved sealing characteristi

1990-10-18

1992-05-19

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604256, 604905, A61M 5178

Patent

active

051144085

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 means is provided for enclosing the first opening of the housing, said cap means having a hole to permit insertion of a catheter. Also provided is a one-piece seal means located within the longitudinally extended housing, said seal means comprising a sealing neck having a relatively small opening therein and communicating with a slit concave exit base.

REFERENCES:
patent: 4568336 (1986-02-01), Cooper
patent: 4842591 (1989-06-01), Luther
patent: 4909798 (1990-03-01), Fleischhacker et al.
patent: 4946133 (1990-08-01), Johnson et al.

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