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:
Aug. 11, 2026
Filed:
May. 17, 2021
Yokowo Co., Ltd., Tokyo, JP;
Fukuda Denshi Co., Ltd., Tokyo, JP;
Koichi Sakai, Tokyo, JP;
Junya Maeda, Tokyo, JP;
Mineta Suzuki, Tokyo, JP;
Yasuhiro Shirakawa, Tokyo, JP;
YOKOWO CO., LTD., Tokyo, JP;
FUKUDA DENSHI CO., LTD., Tokyo, JP;
Abstract
A cautery puncture needle includes a pipe portion. The pipe portion has a first bent portion located on a distal end side of the pipe portion and a second bent portion located on a proximal end side of the pipe portion. A curvature radius of an arc of the first bent portion is equal to or larger than a curvature radius of an arc of the second bent portion and a length of the arc of the first bent portion is longer than a length of the arc of the second bent portion, or the length of the arc of the first bent portion is equal to or longer than the length of the arc of the second bent portion and the curvature radius of the arc of the first bent portion is larger than the curvature radius of the arc of the second bent portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile