Surgical access device with floating gel seal

Details Surgical access device with floating gel seal Surgical access device with floating gel seal

2007-06-26

2007-06-26

Mendez, Manuel (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

10056831

ABSTRACT:
A trocar is provided with a cannula and a housing and valve assembly disposed in the housing which forms a housing seal, and instrument seal, and in some cases a zero seal. A gel material is included in the valve and provides the valve with superior flotation properties for maintaining the instrument seal even when the instrument is moved off-axis. In order to accommodate movement of the gel material, voids can be formed within the valve housing and even within the gel material.

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