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:
Dec. 12, 2023
Filed:
Dec. 02, 2020
Applicant:
Olympus Corporation, Tokyo, JP;
Inventor:
Tomoyuki Kugo, Matsudo, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/005 (2006.01); A61L 29/02 (2006.01); A61L 29/14 (2006.01); A61M 25/00 (2006.01);
U.S. Cl.
CPC ...
A61B 1/0055 (2013.01); A61B 1/0058 (2013.01); A61L 29/02 (2013.01); A61L 29/14 (2013.01); A61L 2400/16 (2013.01); A61M 25/0054 (2013.01);
Abstract
A rigidity variable device includes: a main body unit having an elongated shape; a plurality of higher rigidity portions made of metal, the higher rigidity portions being included in the main body unit and arrayed in a separated manner in a direction along a longitudinal axis of the main body unit; and one or a plurality of lower rigidity portions included in the main body unit and including a shape memory alloy coil disposed between adjacent ones of the higher rigidity portions and formed by winding a wire around an axis parallel to the longitudinal axis. A rigidity of the shape memory alloy coil increases when heated.