Trocar assembly with electrocautery penetrating tip

Details Trocar assembly with electrocautery penetrating tip Trocar assembly with electrocautery penetrating tip

1997-04-14

1998-06-30

Shay, David M.

Surgery

Instruments

Electrical application

606 34, 606 37, 604164, A61B 1736

Patent

active

057726604

ABSTRACT:
A trocar which automatically deactivates upon penetration through a body wall includes a housing portion, an obturator shaft mounted with respect to the housing portion and having proximal and distal ends, a conductor element extending at least partially along the obturator shaft for conducting energy from an energy source and a conductive tip member associated with the distal end of the obturator shaft for penetrating tissue. The conductive tip member is mounted for movement relative to the obturator shaft between a first position in communication with the conductor element and a second position disassociated from the conductor element.

REFERENCES:
patent: 4535773 (1985-08-01), Yoon
patent: 4601710 (1986-07-01), Moll
patent: 5104382 (1992-04-01), Brinkerhoff
patent: 5116353 (1992-05-01), Green
patent: 5152754 (1992-10-01), Plyley et al.
patent: 5226426 (1993-07-01), Yoon
patent: 5290243 (1994-03-01), Chadorow et al.
patent: 5290304 (1994-03-01), Storace
patent: 5295993 (1994-03-01), Green
patent: 5318580 (1994-06-01), Gresl, Jr.
patent: 5417687 (1995-05-01), Mardella

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