| 摘要 |
A treatment device having an insertion section that can be inserted into an endoscope and is placed in the human body through the endoscope, a treatment section for applying predetermined treatment to tissue and provided at the distal end of the insertion section so as to be able to project from and retract into the insertion section, and an operation section for operating projection and retraction of the treatment section and provided at the proximal end of the insertion section pulled out of the endoscope.
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