公开(公告)号：US09635999B2

公开(公告)日：2017-05-02

申请号：US14581035

申请日：2014-12-23

Applicant: OLYMPUS CORPORATION

Inventor： Kiwamu Fujitani ,  Keigo Takeshima ,  Motohiro Kuroda ,  Yasuo Takeuchi

IPC: A61B1/00 ,  A61B1/04 ,  A61B1/06 ,  G02B23/24 ,  A61B1/005

CPC classification number: A61B1/00066 ,  A61B1/00071 ,  A61B1/0052 ,  G02B23/2476

Abstract: An endoscope including an operation portion, an insertion portion pivotable relative to the operation portion, and a rotation knob to pivot the insertion portion about an axis of the insertion portion, includes: an insertion portion neutral position indicating portion, provided on an outer circumferential face of the rotation knob, configured to indicate a neutral position; and an indication ring, provided at the operation portion configured to include an operation portion neutral position indicating portion linearly aligned with the insertion portion neutral position indicating portion in an axis direction and indicating that the insertion portion is positioned at a neutral position, and two rotational angle indicating portions provided so as to be apart from the operation portion neutral position indicating portion in a circumferential direction, each of the two rotational angle indicating portions indicating rotation of the insertion portion.