| 摘要 |
Provided is a treatment tool endoscopically inserted into a body cavity that includes a treatment part that performs a treatment within the body cavity; a connecting member connected to a proximal end of the treatment part; a sheath through which the treatment part and the connecting member are inserted so as to be able to extend or retract in an axis direction; an operation part having the connecting member connected thereto; and a sliding member fixed to at least one of the connecting member and the treatment part. The sliding member has a large diameter portion having an external diameter substantially equal to the internal diameter of the sheath, and a fixing portion having an external diameter smaller than the large diameter portion, and is formed in a tubular shape, the fixing portion is fixed to at least one of the connecting member and the treatment part, and the radial maximum dimension of the fixing portion is less than or equal to the external diameter of the large diameter portion in a fixed state. |
