Insert part of endoscope

Details Insert part of endoscope Insert part of endoscope

1990-02-05

1990-11-20

Grieb, William H.

Surgery

Truss

Perineal

358 98, A61B 104

Patent

active

049710354

ABSTRACT:
A distal end part is connected to the distal end of a flexible tube, the distal end part having a larger outer diameter than that of the flexible tube. The distal end part has a substantially circular cross-sectional configuration that includes one or a plurality of flat peripheral portions. The distal end part is provided therein with an objective portion of an observation optical system which includes a solid-state image pickup device, for example.

REFERENCES:
patent: 4407273 (1983-10-01), Ouchi
patent: 4730909 (1988-03-01), Takahashi
patent: 4753224 (1988-06-01), Tojo
patent: 4944287 (1990-07-01), Takahashi

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