Hemostasis cannula and method of making a valve for same

Details Hemostasis cannula and method of making a valve for same Hemostasis cannula and method of making a valve for same

1992-09-28

1993-12-07

Weiss, John G.

Surgery

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

Treating material introduced into or removed from body...

604256, 137849, 137845, A61M 5178

Patent

active

052679667

ABSTRACT:
A hemostasis cannula comprising a housing having a passage therethrough sized to receive a catheter and a valve body mounted in the passage. The valve body includes an opening in one side thereof which forms a seal around a catheter enclosed within the cannula. The opening includes a cylindrical recess and four tapered slits extending from the base of the recess to a point shaped opening at the other side of said valve body. The method of making the slits includes cutting them with a four sided pyramid shaped tool.

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