| abstract |
One embodiment of the invention relates to an implant with a coating containing at least one active pharmaceutical substance. The inventive implant is characterized in that the coating is covered by a protective layer comprising or containing one or more materials from the group including shellac, vinylpyrrolidone-vinyl acetate copolymer, vinyl acetate-crotonic acid copolymer, vinyl acetate-vinyl propionate-crotonic acid terpolymer, methylvinyl ether-maleic anhydride copolymer, vinylpyrrolidone-dimethylaminoethyl acrylate copolymer, polyvinylpyrrolidone, polyvinyl acetate, polycrotonic acid, polyvinyl propionate, polymethylvinyl ether, polymaleic anhydride and polydimethylaminoethyl acrylate. |