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公开(公告)号:US20230000324A1
公开(公告)日:2023-01-05
申请号:US17943577
申请日:2022-09-13
Applicant: OLYMPUS CORPORATION
Inventor: Hiroshi MINAMI , Masami OSHIDA , Masato INOUE
Abstract: A cover member includes: a sheath that is formed in a cylindrical shape for receiving a shaft; and a tubular portion that is attached to a distal end of the sheath. The tubular portion being formed such that an outer dimension of a distal end portion of the tubular portion in a first direction is smaller than an outer dimension of a proximal end portion of the tubular portion in the first direction and/or an outer dimension of the distal end portion in a second direction is smaller than an outer dimension of the proximal end portion in the second direction.