Implant with proliferation-inhibiting substance

Abstract

An implant for insertion in a portion of the human or animal blood circulation, in particular a stent, has a main body (2), at least a first material which is connected to the main body (2) and which includes at least one cell proliferation-inhibiting first substance, and a second material which decomposes in the implanted condition and which is of such an arrangement and nature that in a first condition prior to the commencement of its decomposition it prevents contact between the first substance and the surroundings of the main body (2) and in a second condition after the commencement of its decomposition it permits contact between the first substance and the surroundings of the main body (2) wherein the second material is further such that the second condition is achieved only after a first time interval which is sufficient for the formation of a body tissue coating (7) which encloses at least a portion of the surface of the main body (2).

Dependencies are inferred from the claim text.