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Title:
HEMOSTATIC MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/191330
Kind Code:
A1
Abstract:
Provided is a hemostatic material which can be safely used for more people, and is inexpensive and highly effective. Provided is a hemostatic material for preventing bleeding, which contains a cationized polysaccharide represented by formula (I). In the cationic polysaccharide, at least one of R1s is -R7-N+(R8)(R9)(R10)・X-, R2 is OR1 or H, R3 is H or OR1, R4 is a galactose derivative or H, R5 is R1 or R6, R7 in R1 is C1-6 alkylene or C2-6 hydroxyalkylene, and R8, R9, and R10 are the same or different C1-6 alkyl, C1-6 alkenyl, O-C1-6 alkyl, etc., Y is a heteroatom, a+b is 4 to 6, and when bonded by a nitrogen atom, a saturated or unsaturated five- or six-membered ring containing the nitrogen atom is formed, and X- may be an anionic group.

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Inventors:
SHIBATA KAZUHIKO (JP)
Application Number:
PCT/JP2022/011077
Publication Date:
September 15, 2022
Filing Date:
March 11, 2022
Export Citation:
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Assignee:
ARTISAN LAB CO LTD (JP)
NIPRO CORP (JP)
International Classes:
A61L15/28; A61K31/715; A61K47/36; A61P7/04
Domestic Patent References:
WO2015022907A12015-02-19
WO1990006174A11990-06-14
Foreign References:
JP2002521392A2002-07-16
JP2017140231A2017-08-17
JP2007508277W
JP2011518592W
JP2013133287A2013-07-08
JPH0416841B21992-03-25
JPH09176203A1997-07-08
Other References:
KAZUHIKO SHIBATAHIROKAZU MORITAMITSUTAKA UEDASHIGERU NAKAI, NEPHROLOGY DIALYSIS TRANSPLANTATION, vol. 35, no. 3, June 2020 (2020-06-01)
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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