Endoscope having internal pressure communication means

Details Endoscope having internal pressure communication means Endoscope having internal pressure communication means

1986-08-05

1987-11-17

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

047066547

ABSTRACT:
An endoscope includes an operation section and an insertion section extending from the operation section. An image-pickup unit is disposed in the extended end portion of the insertion section. The unit has an objective optical system, a solid-state image-pickup device, and a case accommodating the optical system and image-pickup device. The interior of the case communicates with the interior of the endoscope.

REFERENCES:
patent: 4216767 (1980-08-01), Aoshiro
patent: 4240411 (1980-12-01), Hosono
patent: 4241729 (1980-12-01), Aoshiro
patent: 4419987 (1983-12-01), Ogiu
patent: 4491865 (1985-01-01), Danna et al.
patent: 4537209 (1985-08-01), Sasa
patent: 4574783 (1986-03-01), Kazuhiro et al.
patent: 4641635 (1987-02-01), Yabe

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