Title:
HYDROPHILIC COPOLYMER AND MEDICAL INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2020/004385
Kind Code:
A1
Abstract:
The present invention provides a means for achieving a medical instrument that has high slidability until reaching a lesion but low slidability after reaching the lesion. The present invention relates to a hydrophilic copolymer that includes: more than 50 mol% of a structural unit that is derived from a polymerizable monomer (A) that has a lower critical solution temperature (LCST) as a homopolymer; a structural unit that is derived from a polymerizable monomer (B) that has at least one group selected from among the sulfonic acid group (-SO3H), the sulfuric acid group (-OSO3H), the sulfurous acid group (-OSO2H), and salts thereof; and a structural unit that is derived from a polymerizable monomer (C) that has a photoreactive group.
Inventors:
YOKOTE NARUMI (JP)
KURAMOTO MASANORI (JP)
KURAMOTO MASANORI (JP)
Application Number:
PCT/JP2019/025155
Publication Date:
January 02, 2020
Filing Date:
June 25, 2019
Export Citation:
Assignee:
TERUMO CORP (JP)
International Classes:
C08F220/56; A61L29/04; A61L29/06; A61L29/08; A61L31/04; A61L31/06; A61L31/10; C08F216/14; C08F220/38
Domestic Patent References:
| WO2018038063A1 | 2018-03-01 |
Foreign References:
| JP2018087316A | 2018-06-07 | |||
| JP2014212685A | 2014-11-13 | |||
| JP2016511646A | 2016-04-21 | |||
| JP2015503998A | 2015-02-05 | |||
| JP2018058050A | 2018-04-12 |
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
Download PDF: