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：US20170236659A1

公开(公告)日：2017-08-17

申请号：US15584524

申请日：2017-05-02

Applicant: OLYMPUS CORPORATION

Inventor： Hideo SANAI ,  Yoshitaka FUJII

IPC: H01H9/04 ,  A61B18/14

CPC classification number: H01H9/04 ,  A61B17/320068 ,  A61B18/14 ,  A61B18/1402 ,  A61B2017/00526 ,  A61B2018/00601 ,  A61B2018/0091 ,  A61B2018/0094 ,  A61B2018/00994 ,  H01H9/02 ,  H01H11/00 ,  H01H13/06 ,  H01H13/70 ,  H01H13/86 ,  H01H13/88

Abstract: A switch board of a board unit includes a switch board including an exposed portion exposed to an outside, a non-exposed portion not exposed to the outside, and a switch provided in the non-exposed portion. The non-exposed portion of the switch board is covered with the cover portion. The cover portion is formed as one piece with the switch board in the state in which liquid-tightness is kept between the cover portion and the non-exposed portion, and liquid is prevented from flowing from the outside of the board unit into the non-exposed portion.