| 摘要 |
An endoscopic treatment instrument includes: a long tube body to be inserted into a body cavity, including a flexible member; a first bending portion provided to a distal end part of the tube body, for bending the tube body with respect to an axial direction; a second bending portion provided in a linked manner to a proximal end side of the first bending portion, for bending the tube body in the axial direction; and a bending operation portion for independently bending the first and second bending portions.
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