Non-flexible endoscope with objective lens system and relay lens

Details Non-flexible endoscope with objective lens system and relay lens Non-flexible endoscope with objective lens system and relay lens

1995-02-28

1997-05-27

Apley, Richard J.

Surgery

Endoscope

Having imaging and illumination means

600130, 359434, A61B 1002

Patent

active

056327188

ABSTRACT:
A non-flexible endoscope comprises a slender insert section which is capable of being inserted from a leading end thereof into cavities of living bodies, an objective lens system for forming a primary image within the insert section, and a relay lens system for transmitting said primary image so as to form a secondary image, wherein the insert section satisfies the following condition:

REFERENCES:
patent: 4708444 (1987-11-01), Tsuji
patent: 4784118 (1988-11-01), Fantone et al.
patent: 4964686 (1990-10-01), Kato
patent: 4964710 (1990-10-01), Leiner
patent: 5142410 (1992-08-01), Ono et al.

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