COMPOSITION FOR WOUND DRESSINGS Russian patent published in 2021 - IPC A61L15/28 A61L15/42 A61L15/46 

FIELD: medicine.

SUBSTANCE: group of inventions relates to the field of medicine, namely, to a composition for use in destroying and eliminating bacteria in a biofilm and for preventing the formation of a biofilm, including the first fibrous component, selected from a group consisting of chitosan, chitin, chitosan derivatives, chitin derivatives and any combination thereof; at least one tribasic acid and at least one solvent acid; with at least one tribasic acid and at least one solvent acid being deposited on at least part of the first component and/or absorbed into at least part of the first component and with the tribasic acid being citric acid and the solvent acid being lactic acid, and also refers to the wound dressing and to the method of preparing the composition for use in destroying and eliminating bacteria in the biofilm and to prevent the formation of a biofilm comprising the first fibrous component selected from a group consisting of chitosan, chitin, chitosan derivatives, chitin derivatives and their combinations; tribasic acid and solvent acid, with the tribasic acid being citric acid and the solvent acid being lactic acid, comprising the steps of: a) coating at least part of the first fibrous component with a mixture including citric acid and lactic acid; and/or b) absorption in at least part of the first fibrous component of a mixture of citric acid and lactic acid.

EFFECT: group of inventions provides a composition that demonstrates improved antimicrobial effectiveness in destroying and eliminating bacteria in the biofilm and in preventing biofilm formation.

24 cl, 15 ex, 10 dwg, 1 tbl