Operating trocar

Details Operating trocar Operating trocar

2005-03-08

2005-03-08

Rodriguez, Cris L. (Department: 3763)

Surgery

Instruments

Means for inserting or removing conduit within body

C600S114000, C604S174000, C604S179000, C604S180000, C604S117000

Reexamination Certificate

active

06863674

ABSTRACT:
An operating trocar according to the invention includes a guide tube inserted through a body surface to introduce an endoscope and an operating instrument into a living body, and a flange portion provided on the guide tube to make a predetermined angle with a plane approximately perpendicular to an axial direction of the guide tube, the flange portion being fixed to an outer surface of the body surface. Preferably, the operating trocar also includes a gastightness retaining portion provided in the guide tube to retain gastightness between a circumferential surface of an internal hole of the guide tube and a medical instrument such as an endoscope and an operating instrument inserted in the internal hole of the guide tube.

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