AGENT FOR TREATING DAMAGE TO EXTERNAL BODY TISSUES (VERSIONS) AND METHOD OF PRODUCING SAME Russian patent published in 2016 - IPC A61L15/28 A61K31/722 A61K31/728 A61F13/00 A61P17/02 

FIELD: medicine; pharmacology.

SUBSTANCE: described is agent for treating damages body tissues and to method for preparing it. Device is made in form of multilayer film, in which one of layers contains complex of chitosan with at least one carboxylic acid with chain length C₂-C₇, and layer adjoining wound, contains hyaluronic acid or derivatives thereof, wherein physiologically active substances contained in form of micelles and are initially in layer containing complex of chitosan in traumatic injuries or in both layers. Agent is obtained by introduction of micelles containing physiologically active or auxiliary substances in solution selected polysaccharide, successive formation of each separate layer of solutions polysaccharide containing micelles and drying layer till moisture content is 10-35% then film filmed from substrate.

EFFECT: agent possesses prolonged action.

14 cl, 11 tbl, 36 ex