Trocar cannula device with retention feature

Details Trocar cannula device with retention feature Trocar cannula device with retention feature

2009-12-22

2011-11-22

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S178000, C604S294000, C604S164010, C606S004000, C606S167000

Reexamination Certificate

active

08062260

ABSTRACT:
A trocar cannula is disclosed. The trocar cannula comprises a cannula having at least one tab member formed therein. Each tab member is configured to provide a retention force between the cannula and tissue when the tab member is placed in a deformed position. The tab member is selectively moveable between a relaxed position, in which the cannula may be moved with respect to the tissue, and the deformed position, wherein the tab member frictionally engages the tissue.

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