Force relieving, force limiting self-adjusting steering for bore

Details Force relieving, force limiting self-adjusting steering for bore Force relieving, force limiting self-adjusting steering for bore

1987-08-14

1988-11-29

Grieb, William H.

Surgery

Truss

Perineal

356241, A61B 100

Patent

active

047873698

ABSTRACT:
A self-adjusting mechanism ensures that the collective force on the steering cables of an endoscope or borescope is limited or relieved when a predetermined force is reached. The mechanism includes a frame, a slider that moves on the frame and restrains the proximal ends of the steering cable sheaths, and springs that bias the slider distally. The springs can be preloaded by employing a stop member to limit the distal movement of the slider.

REFERENCES:
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patent: Re31290 (1983-06-01), Moore et al.
patent: 3060972 (1962-10-01), Sheldon
patent: 3190286 (1965-06-01), Stokes
patent: 3557780 (1971-01-01), Sato
patent: 3583393 (1971-06-01), Takahashi
patent: 3610231 (1971-10-01), Takahashi
patent: 3669098 (1972-06-01), Takahashi
patent: 3739770 (1973-06-01), Mori
patent: 3799151 (1974-03-01), Fukaumi et al.
patent: 4108221 (1978-08-01), Freimuth et al.
patent: 4347837 (1982-09-01), Hosono
patent: 4700693 (1987-10-01), Lia et al.

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