Patent ID: 8663089

Claim:
A treatment tool for an endoscope, comprising: an insertion tube which is flexible and extends toward one direction; a movable tip member which is provided on a tip of the insertion tube and which is used for a treatment of a living organ; a control shaft member which is inserted into the insertion tube and which is connected to a proximal end of the movable tip member; a control member which is connected to a proximal end of the insertion tube and controls the movable tip member; and a covering tube which is flexible, and covers the insertion tube, wherein the insertion tube and the movable tip member are capable of together freely rotating relative to the covering tube around an axis of the covering tube, and the proximal end of the movable tip member and the covering tube are engaged with each other so as to restrict the proximal end of the movable tip member from advancing and retreating in an axis direction of the covering tube.