NOVEL MULTILAYERED MATERIAL BEARING A BIOLOGICALLY ACTIVE AGENT AND THE PREPARATION THEREOF

摘要

The invention provides a material for medical use in humans and/or animals bearing a biologically active agent, said material being multilayered, as we ll as a device of this material and a method to produce it. The material comprises a core material, wherein said core material is formed into a body, optionally into a body having the shape of a finished device; two or more layers of coating material of which the first layer has been applied onto sa id core material and additional layers have been applied onto said coating material of a preceding layer; and wherein at least one of the layers compri se said biologically active agent. Characteristic for this material is that the coating material is a biopolymer, a sol-gel produced silica gel or a biologically active molecule.