Patent ID: 6740077
Filing Date: 2004-05-25
Classification: A61K,A61M,A61N

Abstract:
An implant comprising:a body defining a receptacle space for storing an agent which is at least one of therapeutic and contains at least one active substance, said receptacle space having at least one passage opening in which a permeable element is inserted and through which the agent can leave the receptacle space, wherein said permeable element comprises a diffusion element having open pores with at least one of a size and pore walls which allow, at least essentially, only diffusion of at least one of the agent and at least one active substance of the agent through the diffusion element, without allowing any free flow through the permeable element, wherein said permeable element is composed at least essentially of an anodized material, said anodized material comprising at least one of aluminum oxide, magnesium oxide, tantalum oxide, iron oxide, tungsten oxide and titanium oxide.