公开(公告)号：US20220257090A1

公开(公告)日：2022-08-18

申请号：US17730711

申请日：2022-04-27

Applicant: OLYMPUS CORPORATION

Inventor： Yuta SEKIGUCHI ,  Natsuki HORI ,  Hidetsugu TANAKA

IPC: A61B1/005 ,  A61B1/00

Abstract: An insertion device includes a bending portion provided in an insertion portion having a longitudinal axis; an operation lever provided in an operation portion and configured to cause the bending portion to bend, where the operation portion is provided on a proximal end side of the insertion portion; and an elastic member connected to the operation portion, and provided with rigidity that resists tilting when the operation lever is tilted, where first rigidity in a first tilting direction is lower than second rigidity in a second tilting direction, wherein of the elastic member, a cross-section orthogonal to an axial direction of the operation lever is formed into a rectangular shape, and any of corners of the rectangular shape of the cross-section is placed in the first tilting direction.

公开(公告)号：US20220240753A1

公开(公告)日：2022-08-04

申请号：US17724610

申请日：2022-04-20

Applicant: OLYMPUS CORPORATION

Inventor： Natsuki HORI ,  Hidetsugu TANAKA ,  Ryuhei FUJIMOTO

IPC: A61B1/005

Abstract: An insertion instrument includes: an insertion portion including a bending portion; an operation portion; one operation lever provided to the operation portion, the operation lever being configured to tilt, to cause the bending portion to bend in a predetermined direction; a movable member provided around the operation lever and configured to move according to tilting of the operation lever; and at least one indicator configured to change according to a movement of the movable member, the at least one indicator being visually recognizable.