Title:
ANTI-CONGLUTINATION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/062464
Kind Code:
A1
Abstract:
Provided is an anti-conglutination material that has an operability that allows reliable attachment thereof to biological tissue and in which tissue adhesiveness and biodegradability are improved. The anti-conglutination material has a water-soluble support layer that contains a water-soluble polymer and that has a thickness of 1-1000 μm and an anti-conglutination layer that contains a biodegradable polymer and that has a thickness of 1-1000 μm, wherein the biodegradable polymer has a structure in which a branched polyalkylene glycol having three to eight terminal hydroxyl groups per molecule and a polyhydroxyalkanoic acid are bonded, and the proportion of the mass of the branched polyalkylene glycol relative to the total mass is 1-30%.
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Inventors:
SAITO AKIHIRO (JP)
NAKANISHI MEGUMI (JP)
TANAHASHI KAZUHIRO (JP)
ARAKANE TORU (JP)
HOCHI MOTONORI (JP)
SUZUKI AI (JP)
OKABAYASHI KOJI (JP)
TAKEOKA SHINJI (JP)
FUJIE TOSHINORI (JP)
ISHIDUKA YUYA (JP)
OHTSUBO SHINYA (JP)
NAKANISHI MEGUMI (JP)
TANAHASHI KAZUHIRO (JP)
ARAKANE TORU (JP)
HOCHI MOTONORI (JP)
SUZUKI AI (JP)
OKABAYASHI KOJI (JP)
TAKEOKA SHINJI (JP)
FUJIE TOSHINORI (JP)
ISHIDUKA YUYA (JP)
OHTSUBO SHINYA (JP)
Application Number:
PCT/JP2017/035402
Publication Date:
April 05, 2018
Filing Date:
September 29, 2017
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
NANOTHETA CO LTD (JP)
NANOTHETA CO LTD (JP)
International Classes:
A61L15/26; A61L15/28; A61L15/64; A61L31/06; A61L31/12; A61L31/14; A61P41/00
Domestic Patent References:
| WO2014141983A1 | 2014-09-18 | |||
| WO2016204266A1 | 2016-12-22 |
Other References:
KESSLER, M. ET AL.: "Application of Linear and Branched Poly (Ethylene Glycol)-Poly (Lactide) Block Copolymers for the Preparation of Films and Solution Electrospun Meshes", MACROMOLECULAR BIOSCIENCE, vol. 16, no. 3, March 2016 (2016-03-01), pages 441 - 450, XP055480225, ISSN: 1616-5195, DOI: doi:10.1002/mabi.201500238
SUH, H. ET AL.: "Evaluation of Tissue Adhesion Preventive Surface Modified Natural and Synthetic Polymeric Materials", MATERIALS SCIENCE FORUM; ISSN 0255-5476 ; VOL. 426/432, PT. 4, vol. 426-432, 2003, CH, pages 3255 - 3260, XP009513909, ISSN: 1662-9752, ISBN: 0-87849-919-9, DOI: 10.4028/www.scientific.net/MSF.426-432.3255
NAGAHAMA, K. ET AL.: "Synthesis of Star-shaped 8 arms Poly (ethylene glycol)-Poly (L-lactide) Block Copolymer and Physicochemical Properties of Its Solution Cast Film as Soft Biomaterial", POLYMER JOURNAL, vol. 38, no. 8, 2006, pages 852 - 860, XP055480281, ISSN: 0032-3896, DOI: doi:10.1295/polymj.PJ2005240
See also references of EP 3520825A4
SUH, H. ET AL.: "Evaluation of Tissue Adhesion Preventive Surface Modified Natural and Synthetic Polymeric Materials", MATERIALS SCIENCE FORUM; ISSN 0255-5476 ; VOL. 426/432, PT. 4, vol. 426-432, 2003, CH, pages 3255 - 3260, XP009513909, ISSN: 1662-9752, ISBN: 0-87849-919-9, DOI: 10.4028/www.scientific.net/MSF.426-432.3255
NAGAHAMA, K. ET AL.: "Synthesis of Star-shaped 8 arms Poly (ethylene glycol)-Poly (L-lactide) Block Copolymer and Physicochemical Properties of Its Solution Cast Film as Soft Biomaterial", POLYMER JOURNAL, vol. 38, no. 8, 2006, pages 852 - 860, XP055480281, ISSN: 0032-3896, DOI: doi:10.1295/polymj.PJ2005240
See also references of EP 3520825A4
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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