Patent attributes
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.
