BIODEGRADABLE MULTILAYER IMPLANT FOR ADMINISTERING DRUG SUBSTANCES INTO VITREAL CAVITY OF EYE Russian patent published in 2015 - IPC A61F9/07 A61F2/14 A61L27/14 A61L27/20 

Abstract RU 2557925 C1

FIELD: medicine.

SUBSTANCE: implant layers are presented in the form of congruent ellipsoids of rotation consisting of polymers and/or copolymers of glycosaminoglycans, lactic acid and polyvinylpyrrolidone; all drug-saturated layers are alternated with drug-unsaturated layers, while solubility of each implant layer is provided by hydrolysis of cross linkage and directly proportional to their number.

EFFECT: achieving and maintaining the required drug concentration in the vitreal cavity for the required period of time, no risk of damaging the intraocular structures with high-concentrated drug substances, reducing the intraoperative injury.

2 cl

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RU 2 557 925 C1

Authors

Kolesnik Anton Igorevich

Kolesnik Svetlana Valer'Evna

Dates

2015-07-27Published

2014-03-17Filed