Operating unit for an endoscope

Details Operating unit for an endoscope Operating unit for an endoscope

1998-08-18

1999-11-30

Leubecker, John P.

Surgery

Endoscope

With particular operating handle design

600167, 600146, A61B 1005

Patent

active

059933810

ABSTRACT:
An operating unit for an endoscope is provided in which focusing and/or zooming operations can be easily performed using a hand holding an operating unit, without removing a hand holding an insertion unit from the insertion unit. An optical system operating member for performing focusing and/or zooming operations on an observation optical system is disposed at a position where the optical system operating member is operable by the thumb of a hand holding an operating unit. The optical system operating member is arranged to be coaxially rotatable with a bending operation member disposed on a side face of the operating unit.

REFERENCES:
patent: 4777524 (1988-10-01), Nakajima
patent: 4832473 (1989-05-01), Ueda
patent: 4905082 (1990-02-01), Nishigaki
patent: 4969450 (1990-11-01), Chinnock
patent: 4991957 (1991-02-01), Sakamoto
patent: 5305736 (1994-04-01), Ito
patent: 5341240 (1994-08-01), Boome
patent: 5411020 (1995-05-01), Ito
patent: 5667476 (1997-09-01), Frassica
patent: 5702349 (1997-12-01), Morizumi
patent: 5733245 (1998-03-01), Kawano
patent: 5735794 (1998-04-01), Koeda et al.
patent: 5842972 (1998-12-01), Wulfsberg

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