Endoscopic portal

Details Endoscopic portal Endoscopic portal

1990-07-26

1995-03-07

Mancene, Gene

Surgery

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

Treating material introduced into or removed from body...

604164, 604165, 604248, A61B 1732, A61B 1900

Patent

active

053953428

ABSTRACT:
An endoscopic portal includes a valve assembly disposed at an open proximal end of a sleeve or cannula providing access to an internal operative site, the valve assembly having a passage therethrough of variable size to engage surgical instruments passing therethrough in sealing relation to prevent flow or leakage of fluid through the valve assembly.

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