公开(公告)号：US20200205642A1

公开(公告)日：2020-07-02

申请号：US16798998

申请日：2020-02-24

Applicant: OLYMPUS CORPORATION

Inventor： Keisuke HATANO ,  Yudai HARADA

IPC: A61B1/005 ,  A61B1/018 ,  A61B1/00 ,  A61B1/04 ,  G02B23/24

Abstract: An endoscope includes a bending operation member provided at an operation portion and configured to bend a bending portion of an insertion portion, a plurality of bending operation wires configured to be pulled or relaxed by the bending operation member, a plurality of tubular members provided inside the operation portion, into which the plurality of bending operation wires are inserted respectively, and disposed in a deflected state so as to avoid an internal component provided inside the operation portion, and a tubular member fixing member provided inside the operation portion and enabled to optimally adjust end portions of the plurality of tubular members at different positions along a longitudinal axis of the operation portion in a direction orthogonal to the longitudinal axis.

公开(公告)号：US20180333040A1

公开(公告)日：2018-11-22

申请号：US15974766

申请日：2018-05-09

Applicant: OLYMPUS CORPORATION

Inventor： Yudai HARADA ,  Kiwamu FUJITANI ,  Keisuke HATANO

IPC: A61B1/005 ,  A61B1/00 ,  G02B23/24

CPC classification number: A61B1/0052 ,  A61B1/00142 ,  G02B23/2476

Abstract: A cover member of a bending operation lever includes a center portion fixed to a shaft section of a bending operation lever of an endoscope, an intermediate portion extended in a peripheral direction from the center portion and having first hardness, and a periphery portion extended in the peripheral direction of the intermediate portion, having second hardness higher than the first hardness, and fixed to the endoscope.