| 摘要 |
An accessory includes bending parts forming a bending portion, a cylindrical guide member extending within the bending portion, a treatment member configured to be inserted through the guide member so as to be movable forward and backward and placed in a housing position where the whole treatment member is housed within at least a given bending part of the bending parts out of the given bending part and a coupling end portion provided in the bending part adjacent to the given bending part and arranged on a side close to the given bending part, and a stopper portion provided on the guide member and configured to be brought into contact with the treatment member to position the treatment member on the housing position.
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