Endoscope

Details Endoscope Endoscope

1988-02-08

1989-01-31

Grieb, William H.

Surgery

Truss

Perineal

A61B 112

Patent

active

048008699

ABSTRACT:
An endoscope comprising an elongated insertion section inserted into the cavity of a human body, an operating section connection to an end of the inserted section and controlling the inserted section from outside the human body, and a universal code extending from the operating section. The universal code has a connector arranged at that end thereof which is opposite to the operating section, and connected to water, air and gas sources. Liquid tubes extend through the inserted and operating sections and universal code to enable the gas, air and water sources to communicate with the outside through the foremost end of the inserted section. A switch valve is arranged within these liquid tubes, dividing them into upper and lower side tubes. The switch valve is attached to the operating section to selectively communicate with or shut off the upper and lower side tubes. When they are shut off, air which has leaked from the gas source can be released through a leak passage to the outside and the outlet opening of this leak passage can selectively be closed by hand.

REFERENCES:
patent: 4261343 (1981-04-01), Ouchi et al.
patent: 4325362 (1983-06-01), Ouchi et al.
patent: 4402310 (1983-09-01), Kimura
patent: 4548197 (1985-10-01), Kinoshita
patent: 4748970 (1988-06-01), Nakajima

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