Patent ID: 6991802
Filing Date: 2006-01-31
Classification: A61L

Abstract:
1. A device made of a material suitable for medical use in humans and/or animals, said material bearing or being capable of binding a biologically active agent, wherein said material is multilayered and formed into a body of the shape of a finished device comprising a) a core material, wherein said core material is formed into a body, optionally into a body having the shape of a finished device, b) two or more layers of coating material of which the first layer has been applied onto said core material and additional layers have been applied onto said coating material of a preceding layer and c) at least one layer of coating material capable of binding said biologically active agent wherein said coating material is a biopolymer, a sol-gel produced silica gel or a biologically active molecule, and wherein said layers are asymmetric such that different layers cover different portions of the core material, different layers comprise different biologically active agents, or both.