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.

Date of Patent:
Jul. 15, 2025

Filed:

Feb. 04, 2022
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Rumiko Kitagawa, Otsu, JP;

Masataka Nakamura, Otsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01); A61L 29/08 (2006.01);
U.S. Cl.
CPC ...
G02C 7/04 (2013.01); A61L 29/085 (2013.01); A61L 2300/404 (2013.01); A61L 2420/02 (2013.01);
Abstract

An object of the present invention is to provide a simple method for manufacturing a coated medical device allowed to have not only properties such as sufficient hydrophilicity but also a bacteria adhesion inhibiting capability. The present invention provides a method for manufacturing a coated medical device, including: (A) a contacting step of housing a medical device in a container, and bringing the medical device into contact with a solution a containing a hydrophilic polymer A; and (C) a heating step of heating the container; wherein the hydrophilic polymer A is a polymer containing, as a monomer unit, a compound having a quaternary ammonium cation group; and wherein the pH of the solution a after the heating step is 6.1 to 8.0.


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