Surgical trocar having obturator handle with flexible contact po

Details Surgical trocar having obturator handle with flexible contact po Surgical trocar having obturator handle with flexible contact po

1998-04-09

1999-12-07

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

604264, A61M 5178

Patent

active

059975105

ABSTRACT:
A surgical trocar has a cannula assembly including a sleeve having a proximal end, a distal end and a passageway therethrough. A housing having an opening is located at the proximal end of the sleeve and is aligned with the passageway of the sleeve. The trocar also includes an obturator assembly which is insertable in the cannula assembly. The obturator assembly includes a handle having an opening therein and a flexible contact portion which is outwardly deflectable from the handle. The obturator assembly also includes an obturator having a proximal end connected to the handle and a distal end opposite the proximal end. A penetrating tip is located at the shaft distal end for penetrating tissue. A protector having a distal end is slidably disposed around the obturator shaft for covering the penetrating tip. The protector has an aperture at its distal end for permitting the penetrating tip to pass therethrough. The protector proximal end is movable against the flexible contact portion of the obturator handle to expose the penetrating tip when a proximal force is asserted against the protector.

REFERENCES:
patent: 4840613 (1989-06-01), Balbierz
patent: 5383860 (1995-01-01), Lau
patent: 5545150 (1996-08-01), Danks et al.

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