| 摘要 |
An endoscopic surgical instrument includes a wiping section that is provided at a tip part of a insertion section and is pivoted to wipe off extraneous matter adhering to an observation surface provided at a tip part of an endoscope inserted through a grip section and the insertion section, an axial member that is inserted through the insertion section and is connected to the wiping section and an operation section that is provided over a whole circumference of a top end of the grip section in a circumferential direction in a longitudinal direction of the grip section, is connected to the axial member, and operates the wiping section through the axial member. A center axis of operation section is coaxial to an axis of endoscope when the endoscope inserted through the grip section and the insertion section.
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