Endoscope in which a bend remaining in the insertion portion upo

Details Endoscope in which a bend remaining in the insertion portion upo Endoscope in which a bend remaining in the insertion portion upo

1992-06-18

1994-04-05

Apley, Richard J.

Surgery

Truss

Perineal

128 6, 385117, A61B 100

Patent

active

052995607

ABSTRACT:
There is disclosed an endoscope comprising an image guide fiber and a light guide fiber extending along the axis of an insertion portion, and an outer tube made of a synthetic resin material for covering contained matters consisting of the image guide fiber and the light guide fiber, the outer tube having the flexibility thereof higher than that of the image guide fiber and light guide fiber, thereby preventing remaining-bend of the insertion portion.

REFERENCES:
patent: 3434775 (1969-03-01), Gosselin
patent: 4576145 (1986-03-01), Tsuno et al.
patent: 4732139 (1988-03-01), Kawashima et al.
patent: 4756303 (1988-07-01), Kawashima et al.
patent: 4776668 (1988-10-01), Fujimoto
patent: 4790295 (1988-12-01), Tashiro
patent: 4813400 (1989-03-01), Washizuka
patent: 4921326 (1990-05-01), Wild et al.
patent: 4945894 (1990-08-01), Kawashima

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