Endoscope

Details Endoscope Endoscope

1984-06-01

1985-12-10

Grieb, William H.

Surgery

Truss

Perineal

A61B 106

Patent

active

045572542

ABSTRACT:
An endoscope including an inserting passage for accommodating a roller chain which operates a bendable portion located at the end of the endoscope. The endoscope also includes a loose-roller-chain accommodating chamber in which the loosened roller chain section is gathered. The accommodation chamber has a length from one corner to another corner measured in the longitudinal direction of the roller chain which is slightly larger than an integer times the length of the pitch between adjoining rollers of the roller chain. The pitch is the distance between rollers when link plates of the roller chain are alternatively bent in opposite directions. This occurs when the roller chain is compressed and shrunk lengthwise in order to prevent the roller chain from being jammed between opposite corners of the accommodation chamber.

REFERENCES:
patent: 3788303 (1974-01-01), Hall
patent: 3799151 (1974-03-01), Fukaumi et al.
patent: 3892228 (1975-07-01), Mitsui
patent: 4203430 (1980-05-01), Takahashi
patent: 4273111 (1981-06-01), Tsukaya
patent: 4294233 (1981-10-01), Takahashi
patent: 4483326 (1984-11-01), Yamaka et al.

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