Trocar for inserting endoscopy instruments into cavities

Details Trocar for inserting endoscopy instruments into cavities Trocar for inserting endoscopy instruments into cavities

1994-09-15

1996-12-17

Buiz, Michael Powell

Surgery

Instruments

Cutting, puncturing or piercing

604164, 604264, A61B 1734

Patent

active

055848478

ABSTRACT:
Trocar for inserting endoscopy instruments into cavities, the trocar having a cleanable hollow body, a disposable tip which is equipped with a swivel valve that can be retracted by inserting the instrument through an internal channel in the tip that communicates with the hollow body. The disposable tip is also equipped with externally operable features capable of modifying the diameter of channel in order to match it to the diameter of the instrument to be inserted.

REFERENCES:
patent: 4112932 (1978-09-01), Chiulli
patent: 5053016 (1991-10-01), Lander
patent: 5066288 (1991-11-01), Deniega et al.
patent: 5104383 (1992-04-01), Shichman
patent: 5112321 (1992-05-01), Hiltebrandt
patent: 5211633 (1993-05-01), Stouder, Jr.
patent: 5234455 (1993-08-01), Mulhollan
patent: 5338307 (1994-08-01), Stephens et al.
patent: 5380288 (1995-01-01), Hart et al.

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