Surgical trocar

Details Surgical trocar Surgical trocar

1993-11-12

1994-09-06

Aschenbrenner, Peter A.

Surgery

Instruments

Heat application

606 16, 606 42, 606 45, 604164, A61B 1732

Patent

active

053444205

ABSTRACT:
A surgical trocar includes an operative sleeve adapted for disposition across a tissue barrier and an obturator removably disposed in the sleeve. A source of energy is introduced to a cutting element disposed at the distal end of the obturator for energizing the cutting element to cut tissue barrier. The distal end of the obturator and the distal end of the operative sleeve can be advanced through the cut tissue and the obturator removed leaving the sleeve operatively disposed for further surgery.

REFERENCES:
patent: 1741461 (1929-12-01), Herman
patent: 3595239 (1971-07-01), Petersen
patent: 4043342 (1977-08-01), Morrison, Jr.
patent: 4418692 (1983-12-01), Guay
patent: 4750489 (1988-06-01), Berkman
patent: 4807620 (1989-02-01), Strul et al.
patent: 4850353 (1989-07-01), Stasz et al.
patent: 4986814 (1991-01-01), Burney et al.
patent: 5057099 (1991-10-01), Rink
patent: 5071222 (1991-12-01), Laakman et al.

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