Endoscope steering section

Details Endoscope steering section Endoscope steering section

1985-12-09

1987-10-20

Howell, Kyle L.

Surgery

Truss

Perineal

A61B 100

Patent

active

047006935

ABSTRACT:
A steering section for an endoscope or borescope employs a plurality of steering cables passing through peripheral bores in axially aligned flat washers. Spacer beads are strung on the cables between the washers to define hinges for the bending of the steering section. Pairs of hemispherical beads are employed for this purpose, and are disposed nose-to-nose, that is, with their spherical surfaces rocking on one another. Tuning spacer beads are provided in selected inter-washer spaces to limit the bending of the tuning section in one direction. To achieve the smallest possible dimension, the washers can be formed with an oval or elongated passageway.

REFERENCES:
patent: 1817000 (1931-08-01), Granville
patent: 2286182 (1942-06-01), Amberg
patent: 3060972 (1962-10-01), Sheldon
patent: 3106077 (1963-10-01), Sharp
patent: 3190286 (1965-06-01), Stokes
patent: 3572325 (1971-03-01), Bazell et al.
patent: 3788304 (1974-01-01), Takahashi
patent: 4108211 (1978-08-01), Tanaka

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