Title:
MEDICAL INSTRUMENT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/033765
Kind Code:
A1
Abstract:
The present invention provides a medical instrument exhibiting excellent lubricity. The medical instrument of the present invention comprises: a substrate layer; and a surface lubrication layer which is formed on at least a part of the substrate layer and which comprises hyaluronic acid or a salt thereof and a hydrophilic copolymer containing 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 (-SO3H), a sulfuric acid group (-OSO3H), a sulfurous acid group (-OSO2H) and salts thereof, and a structural unit derived from a polymerizable monomer (C) having a photoreactive group.
Inventors:
KURAMOTO MASANORI (JP)
Application Number:
PCT/JP2020/031641
Publication Date:
February 25, 2021
Filing Date:
August 21, 2020
Export Citation:
Assignee:
TERUMO CORP (JP)
International Classes:
C08F220/38; A61L29/06; A61L29/08; A61L29/12; A61L29/14; A61L31/06; A61L31/10; A61L31/12; A61L31/14
Domestic Patent References:
| WO2018038063A1 | 2018-03-01 | |||
| WO2016084716A1 | 2016-06-02 | |||
| WO2019163764A1 | 2019-08-29 | |||
| WO2018038063A1 | 2018-03-01 |
Foreign References:
| JP2015500088A | 2015-01-05 | |||
| JP2018000746A | 2018-01-11 | |||
| JP2001145695A | 2001-05-29 | |||
| US20190185776A1 | 2019-06-20 | |||
| JP2019151584A | 2019-09-12 |
Other References:
A. LASCHEWSKY, POLYMERS, vol. 6, 2014, pages 1544 - 1601
See also references of EP 4006070A4
See also references of EP 4006070A4
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
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