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公开(公告)号：US20170224411A1
公开(公告)日：2017-08-10
申请号：US15495234
申请日：2017-04-24
Applicant: OLYMPUS CORPORATION
Inventor： Yoshio ONUKI , Hiromichi SAKANO
CPC classification number: A61B18/1492 , A61B2218/002
Abstract: A high-frequency treatment instrument including: a sheath formed of a flexible material; an electrode member disposed inside the sheath; a distal-end member having a through-hole through which the electrode member passes; and a liquid supply means supplying liquid towards the front side via a flow path in the sheath, wherein the electrode member includes a rod-shaped electrode portion movably passing through the through-hole, and a large-diameter portion provided at the distal end thereof to have an outer diameter larger than the diameter of the through-hole, the large-diameter portion includes an electrode hole passing therethrough, between the distal-end member and the large-diameter portion, there is provided a buffer member that seals the periphery of a space between the distal-end member and the large-diameter portion.
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公开(公告)号：US20170112569A1
公开(公告)日：2017-04-27
申请号：US15399436
申请日：2017-01-05
Applicant: OLYMPUS CORPORATION
Inventor： Shunsuke MOTOSUGI , Yukio SATO , Yoshio ONUKI
CPC classification number: A61B18/1492 , A61B1/00089 , A61B1/00133 , A61B1/018 , A61B2017/00269 , A61B2017/0034 , A61B2017/00367 , A61B2017/00438 , A61B2017/308 , A61B2018/00196 , A61B2018/00494 , A61B2018/00601 , A61B2018/00982 , A61B2018/1407 , A61B2018/141 , A61B2018/144 , A61B2018/1475 , A61B2090/034
Abstract: Provided is a high-frequency treatment tool. A positioning member that regulates movement of a second wire part within a sheath relative to a first wire part in a direction of a longitudinal axis of the second wire part is present in the sheath. In a state in which a folded part is located close to a distal end of the sheath, a loop formation part is fed from the distal end of the sheath with the second wire part fixed.
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