公开(公告)号：US11122966B2

公开(公告)日：2021-09-21

申请号：US16042237

申请日：2018-07-23

Applicant: OLYMPUS CORPORATION

Inventor： Takayasu Ito ,  Eiji Matsuda

IPC: A61B1/005 ,  G02B23/24 ,  A61B1/00 ,  A61B1/01 ,  A61B1/05 ,  A61B1/07

Abstract: An endoscope according to one aspect of the present invention includes: an operation lever portion that is provided in an operation portion, includes an operation shaft, and is capable of adjusting a bending angle of a bending portion in conjunction with a tilting operation; and an exterior cover that is water-tightly fixed to the operation portion so as to cover an outer periphery of the operation shaft, and is formed in a stair shape in cross section, including a hardly deformed region and an easily deformed region that is formed at a predetermined angle with respect to the hardly deformed region.

公开(公告)号：US10226166B2

公开(公告)日：2019-03-12

申请号：US15393396

申请日：2016-12-29

Applicant: OLYMPUS CORPORATION

Inventor： Kiwamu Fujitani ,  Keisuke Hatano ,  Takayasu Ito

IPC: A61B1/00 ,  A61B1/005 ,  A61B1/015 ,  A61B17/00 ,  A61B34/00 ,  A61M25/01 ,  G02B23/24

Abstract: An endoscope operation portion includes: an operation portion body provided being connected to a grasping portion; a joystick-type bending operation lever provided on a back side of the operation portion body, including a lever shaft body, and configured to perform a bending operation of a bending portion; and a suction button provided on a front side of the operation portion body so that an angle formed by an operation axis in a pressing-down operation direction relative to a central axis of the lever shaft body is an obtuse angle, and an intersection point between the central axis and the operation axis is positioned inside the operation portion body.

公开(公告)号：US11160441B2

公开(公告)日：2021-11-02

申请号：US16276897

申请日：2019-02-15

Applicant: OLYMPUS CORPORATION

Inventor： Kiwamu Fujitani ,  Keisuke Hatano ,  Takayasu Ito

IPC: A61B1/005 ,  A61B1/00 ,  A61M25/01 ,  G02B23/24 ,  A61B1/015 ,  A61B17/00 ,  A61B34/00

Abstract: An endoscope operation portion includes: an operation portion body provided being connected to a grasping portion; a joystick-type bending operation lever provided on a back side of the operation portion body, including a lever shaft body, and configured to perform a bending operation of a bending portion; and a suction button provided on a front side of the operation portion body so that an angle formed by an operation axis in a pressing-down operation direction relative to a central axis of the lever shaft body is an obtuse angle, and an intersection point between the central axis and the operation axis is positioned inside the operation portion body.