Patent ID: 7491166
Filing Date: 2009-02-17
Classification: A61B

Abstract:
1. An endoscope comprising: an elongated inserting portion which is inserted in an object; observing means which is arranged at an end portion of the inserting portion; a therapeutic instrument controlling base which is pivotally supported to a distal portion of the inserting portion so as to be able to control a therapeutic instrument in the right and left directions of an observed image obtained by the observing means, and which has a contact portion that comes in contact with a therapeutic instrument projected from an opening of a channel for inserting the therapeutic instrument at the distal portion of the inserting portion as the therapeutic instrument is controlled; controlling-base operating means which is arranged on a distal side in an insertion direction of a therapeutic instrument inserting port into which the therapeutic instrument is inserted and directly adjacent to the therapeutic instrument inserting point, in an operating section arranged at a proximal side portion of the inserting portion and which can be operated in the right and left directions of an operator who grips the operating section; and a controlling-base operating mechanism which controls such that the therapeutic instrument controlling base moves in the right direction of the observed image according to the operation of the controlling-base operating means in the right direction thereof by the operator and controls such that the therapeutic instrument controlling base moves in the left direction of the observed image according to the operation of the controlling-base operating means in the left direction thereof, the right and left controlling direction of the therapeutic instrument controlling base and the right and left operating direction of the controlling-base operating means being in parallel to each other when the inserting portion is substantially straight.