Universal hemostasis cannula

Details Universal hemostasis cannula Universal hemostasis cannula

1987-11-12

1990-03-20

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

137846, 2511491, 604167, 604283, A61M 500

Patent

active

049097989

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 providied 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 sealing chamber having opposing sealing exit lips which are both readily expandable to a diameter less than that of the valve housing upon insertion of a catheter.

REFERENCES:
patent: 3308798 (1967-03-01), Snider
patent: 3621876 (1971-11-01), Campbell
patent: 4000739 (1977-01-01), Stevens
patent: 4424833 (1984-01-01), Spector et al.
patent: 4649904 (1987-03-01), Krauter et al.
patent: 4655752 (1987-04-01), Honkanen et al.

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