The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Apr. 27, 2022
Olympus Corporation, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
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.