Surgery – Endoscope – Having flexible tube structure
Patent
1995-03-06
1997-08-19
Apley, Richard J.
Surgery
Endoscope
Having flexible tube structure
600151, 600146, A61B 1005
Patent
active
056582382
ABSTRACT:
A curvature section provided in an insertable section is curved in response to a curving instructing signal output by the operation of a curving operating switch. In case the curving operating switch is of a joy stick type having an operating lever, in response to the operation of a switching switch, a mode in which the inclination angle of the operating lever is held and a mode in which the inclination angle of the operating lever is returned to a neutral position in which it is zero will be switched and the curvature section will be of a curvature angle following the inclination angle of the operating lever.
In case the curving operating switch is of a joy pad type comprising a plurality of on/off switches, in response to the operation of the switching switch, the curvature instructing signal will be held or reset.
REFERENCES:
patent: 4489304 (1984-12-01), Hayes
patent: 4893613 (1990-01-01), Hake
patent: 4932394 (1990-06-01), Nanaumi
patent: 4982725 (1991-01-01), Hibino et al.
patent: 5159446 (1992-10-01), Hibino et al.
Hibino Hiroki
Nagayama, deceased Yoshikatsu
Nagayama, heir Yuuki
Nagayama, heiress Akemi
Nakamura Motokazu
Apley Richard J.
Mulcahy John
Olympus Optical Co,. Ltd.
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