Guide device for percutaneous insertion of endoscope

Details Guide device for percutaneous insertion of endoscope Guide device for percutaneous insertion of endoscope

1990-01-25

1990-11-27

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

049728270

ABSTRACT:
Described herein is a guide device for an endoscope to be percutaneously introduced into a body, the guide device including a trocar having an obturator extractably inserted in an outer sheath, and a guide tube to be placed in the outer sheath in place of the obturator of the trocar. The guide tube is rounded off at the inner edge of its fore end which is to be protruded from a sharp-edged tip end of the outer sheath when placed therein.

REFERENCES:
patent: 2256942 (1941-09-01), Duffy
patent: 3132645 (1964-05-01), Gasper
patent: 4332242 (1982-06-01), Chikama
patent: 4712536 (1987-12-01), Hawks

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