Hemostasis cannula valve apparatus and method of using same

Details Hemostasis cannula valve apparatus and method of using same Hemostasis cannula valve apparatus and method of using same

1995-01-19

1997-07-01

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

604167, 604256, 604247, A61M 500, A61M 2500

Patent

active

056432275

ABSTRACT:
A self-sealing valve arrangement for use in a hemostasis cannula includes a distal wiping gasket and an outer proximal tricuspid gasket bonded on a peripheral interface therebetween. The distal wiping gasket strips clots and fibrotic tissue from a catheter or vessel dilator as it is extracted from the hemostasis cannula preventing a disruptive accumulation of clots in the tricuspid valve.

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patent: 5290245 (1994-03-01), Dennis
patent: 5304156 (1994-04-01), Sylvanowicz et al.

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