Title:
MEDICAL DEVICE AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/121940
Kind Code:
A1
Abstract:
A medical device according to the present invention comprises a substrate and a hydrophilic polymer layer, and satisfies the following requirements: (1) the hydrophilic polymer layer is present on at least a portion of the substrate; (2) the hydrophilic polymer layer contains a hydrophilic polymer having an acidic group, and a compound having an acidic group and a cyclic structure; and (3) the length of time a surface liquid film is retained (liquid film retention time) when left submerged in a phosphate buffer and then being removed from the phosphate buffer and held in the air, is at least 10 seconds. Provided are a medical device having a substrate with a hydrophilized surface, and a method of manufacturing the same via a simple method.
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Inventors:
KITAGAWA RUMIKO (JP)
NAKAMURA MASATAKA (JP)
NAKAMURA MASATAKA (JP)
Application Number:
PCT/JP2019/047628
Publication Date:
June 18, 2020
Filing Date:
December 05, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
A61L15/24; A61L15/44; A61L27/16; A61L27/18; A61L27/34; A61L27/44; A61L27/52; A61L27/54; A61L29/08; A61L29/12; A61L29/14; A61L29/16; A61L31/10; A61L31/12; A61L31/14; A61L31/16; G02B1/04; G02C7/04
Domestic Patent References:
WO2018207644A1 | 2018-11-15 | |||
WO2017146102A1 | 2017-08-31 | |||
WO2015119256A1 | 2015-08-13 | |||
WO2019031477A1 | 2019-02-14 | |||
WO2013024799A1 | 2013-02-21 | |||
WO2017146102A1 | 2017-08-31 | |||
WO2013024800A1 | 2013-02-21 |
Foreign References:
JPH1085320A | 1998-04-07 | |||
JP2013533517W | ||||
JP2010508563W | ||||
JP2014533381W | ||||
JPS54116947A | 1979-09-11 | |||
JPS63246718A | 1988-10-13 | |||
JP2002047365A | 2002-02-12 | |||
JP2003535626A | 2003-12-02 | |||
JP2014533381A | 2014-12-11 |
Other References:
See also references of EP 3858391A4
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