Endoscope device with tool channel

Details Endoscope device with tool channel Endoscope device with tool channel

1986-05-05

1987-11-17

Grieb, William H.

Surgery

Truss

Perineal

A61B 106

Patent

active

047066563

ABSTRACT:
An endoscope device wherein an observing optical system, illuminating optical system and channel are incorporated into respectively independent pipes which are then arranged as exposed out to form an endoscope inserting part and the above mentioned channel is formed to be of a noncircular cross-section so that, when a treating tool is inserted through the channel, a larger hollow gap may be made between the inner wall of the channel and the treating tool.

REFERENCES:
patent: 1459313 (1923-06-01), Reisler et al.
patent: 2797683 (1957-07-01), Aiken
patent: 3261350 (1966-07-01), Wallace
patent: 4146019 (1979-03-01), Bass et al.
patent: 4630598 (1986-12-01), Bonnet

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