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:
Jan. 23, 2024
Filed:
Feb. 08, 2019
Toray Industries, Inc., Tokyo, JP;
Takahiro Yagi, Otsu, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
A balloon catheter includes a flexible outer cylinder shaft, a holding member connected to a proximal end portion of the outer cylinder shaft, a sealing member that maintains liquid tightness incorporated in the holding member, a flexible inner cylinder shaft, a tube having a Rockwell hardness of R 115 or more, a flexural modulus of 3.0 to 4.5 GPa, and a thickness of 0.06 to 0.12 mm, a push-in member connected to a proximal end portion of the inner cylinder shaft, a pull-out prevention member connected to the push-in member, and a balloon composed of an elastic material and connected to each of the distal end portion of the outer cylinder shaft and the proximal end portion of the inner cylinder shaft, wherein the tube is inserted over the inner cylinder shaft over an area thereof except for a connecting portion between the balloon and the inner cylinder shaft.