Video endoscope

Details Video endoscope Video endoscope

1991-02-15

1993-08-17

Mancene, Gene

Surgery

Truss

Perineal

A61B 106

Patent

active

052359654

ABSTRACT:
A video endoscope provided in the insertable tip in parallel with an imaging apparatus and a treating instrument channel through which a laser treating instrument can be inserted and provided with a light intercepting part so that a leaking light of the laser treating instrument inserted through the treating instrument channel as well as reflected laser light may not enter the light receiving part of the imaging device through the other course than the optical course leading to the light receiving part of the imaging device through the image forming optical system from the observing window.

REFERENCES:
patent: 4646721 (1987-03-01), Arakawa
patent: 4784144 (1988-11-01), Ono et al.
patent: 4807597 (1989-02-01), Tsuno et al.
patent: 4942867 (1990-07-01), Takahashi et al.

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