Medical device for maintaining state of treatment portion

Surgery – Endoscope – With tool carried on endoscope or auxillary channel therefore

Reexamination Certificate

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Details

C600S104000

Reexamination Certificate

active

08083669

ABSTRACT:
A medical device of the invention includes: a treatment instrument including a treatment portion which is used extended from a distal end of an endoscope insertion portion having a treatment instrument channel, an operation portion for operation of advancing/retreating an operation wire coupled to the treatment portion, and a treatment instrument insertion portion in which the operation wire is advanceably/retreatably inserted, the treatment instrument insertion portion having a predetermined flexibility and inserted into the treatment instrument channel; a detecting portion for detecting advancing/retreating moving amount of the treatment instrument insertion portion; a treatment portion operating device to which the operation portion is installed, the treatment portion operating device advancing/retreating the operation wire to operate the treatment portion; an operation instructing portion for instructing operation of the treatment portion; and a control device for judging a state of the treatment instrument insertion portion and driving the treatment portion operating device by a moving amount obtained by correcting an advancing/retreating amount of the operation wire, based on a detection result from the detecting portion according to an instruction from the operation instructing portion.

REFERENCES:
patent: 5518164 (1996-05-01), Hooven
patent: 5817119 (1998-10-01), Klieman et al.
patent: 2004/0019254 (2004-01-01), Belson et al.
patent: 2004/0176683 (2004-09-01), Whitin et al.
patent: 2005/0250989 (2005-11-01), Suzuki
patent: 2007/0078301 (2007-04-01), Kura et al.
patent: 2008/0183037 (2008-07-01), Ichikawa et al.
patent: 2005-334132 (2005-12-01), None
patent: 2006-068076 (2006-03-01), None
patent: 2006-255257 (2006-09-01), None
patent: WO 01/54567 (2001-08-01), None
patent: WO 2007/011040 (2007-01-01), None

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