公开(公告)号：US20210153929A1

公开(公告)日：2021-05-27

申请号：US17165010

申请日：2021-02-02

Applicant: OLYMPUS CORPORATION

Inventor： Takahito OSHIRO ,  Yoshitaka FUJII

IPC: A61B18/14

Abstract: A treatment tool includes: a handle; an elongated fixation member a proximal end side of which is fixed to the handle; a movable member that is provided coaxially with the fixation member, the movable member being configured to move with respect to the fixation member; and an airtight member which is provided between the fixation member and the movable member and in which a second contact width in contact with the movable member is smaller than a first contact width in contact with the fixation member.

公开(公告)号：US20190336202A1

公开(公告)日：2019-11-07

申请号：US16515632

申请日：2019-07-18

Applicant: OLYMPUS CORPORATION

Inventor： Marina KOBAYASHI ,  Yuji HIRAI ,  Eiji MURAKAMI ,  Tadashi KITAYAMA ,  Satoshi MIYAJIRI ,  Katsushi IDE ,  Takahito OSHIRO

IPC: A61B18/14 ,  A61B17/32

Abstract: A treatment instrument includes a grasping piece that is openable and closable to a treatment portion, and includes an electrode member. An electrode inclination surface facing a side on which the treating portion is located is provided on an outer surface of the electrode member of the grasping piece, and the electrode inclination surface extends from an inner side to an outer side in a width direction so as to be inclined in a direction away from the treatment portion.