Title:
光安定創傷被覆材およびその製造法
Document Type and Number:
Japanese Patent JP5242379
Kind Code:
B2
Abstract:
The invention provides a method of preparing an antimicrobial sponge material for medicinal use, comprising the steps of: treating an anionic polysaccharide with a solution of a silver salt to produce a complex of the anionic polysaccharide with silver; dispersing said complex in aqueous ascorbic acid to form an acidified dispersion, followed by freeze-drying or solvent-drying the dispersion to form the sponge material. Also provided is a photostabilized antimicrobial sponge material comprising an anionic polysaccharide complexed with silver (I) ions, wherein the sponge further comprises ascorbic acid, and the sponge has a substantially white colour that is substantially stable against discoloration on exposure to light. Also provided are wound dressings comprising such materials, and the use of such materials in medicine.
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Inventors:
Karen Breda Mary
Silcock Derek Walter
Boyle James
Silcock Derek Walter
Boyle James
Application Number:
JP2008508274A
Publication Date:
July 24, 2013
Filing Date:
March 16, 2006
Export Citation:
Assignee:
ETHICON, INCORPORATED
International Classes:
A61L15/44; A61L15/22; A61L15/28; A61L15/42; A61L15/46
Domestic Patent References:
| JP11146909A | ||||
| JP2001340375A |
Foreign References:
| WO2004024197A1 |
Attorney, Agent or Firm:
Konobu Kato