Tissue gripping device

Details Tissue gripping device Tissue gripping device

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2079715

ABSTRACT OF THE DISCLOSURE An apparatus for maintaining a positional relationship between a trocar cannula and body tissue into which the cannula is inserted includes a tissue engaging member having a conical outer surface with a thread helically disposed thereon. A guide tube is insertable into a bore in the tissue engaging member, the guide tube having a camming surface. A collet with flexible projections is engageable with the guide tube. When the collet is tightened onto the guide tube the flexible projections bend inward to frictionally engage and hold a trocar cannula inserted through the axial bore of the apparatus.

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