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. 16, 2024
Filed:
Aug. 18, 2020
Terumo Kabushiki Kaisha, Tokyo, JP;
Masanori Kuramoto, Kanagawa, JP;
Narumi Yokote, Kanagawa, JP;
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Disclosed is a medical device exhibiting superior lubricating property and durability (lubrication retaining property), the medical device comprising a substrate layer, an adhesive layer formed on at least a portion of the substrate layer, comprising a hydrophilic copolymer comprising a structural unit derived from a polymerizable monomer (A) having a sulfobetaine structure, a structural unit derived from a polymerizable monomer (B) having at least one group selected from the group consisting of a sulfonic acid group, sulfuric acid group, sulfurous acid group, and salts thereof, and a structural unit derived from a polymerizable monomer (C) having a photoreactive group, and a surface lubricious layer formed on at least a portion of the adhesive layer, comprising a hydrophilic polymer dissolvable in a solvent capable of dissolving or swelling the hydrophilic copolymer. Also disclosed are methods for producing medical devices exhibiting superior lubricating property and durability (lubrication retaining property).