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:
Nov. 18, 2025
Filed:
Jun. 02, 2021
Kaneka Corporation, Osaka, JP;
Toshiya Kisa, Okaya, JP;
KANEKA CORPORATION, Osaka, JP;
Abstract
The objective is to provide a catheter that can realize a desired curve shape by preventing the curving axis of the catheter distal part from twisting, and preventing the catheter from kinking and decreased pushability. Disclosed is a catheter () having a shaft (); at least one wire (); a coil (); a leaf spring () having a first connection part () where its proximal part is fixed to a distal end part of the coil (); and a cover tube (), wherein the coil () has a fixed part () where it is fixed to the shaft () at a position proximal to the proximal end of the cover tube (); and the length from the distal end of the fixed part () to the proximal end of the cover tube () in the longitudinal direction is a length of 20 windings of the coil () or shorter.