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Abstract

A medicament-dispensing medical implant is described which is fabricated from relatively non-inflammatory biogenic tissue or biopolymers for implantation in or adjacent to a target issue in the human body. The implant, whic is non-thrombogenic, optically transluscent and relatively non-inflammatory, delivers relatively high doses of one or a combination of medicaments locally in a sustained fashion while systemically delivering a relatively low dose of said medicament(s). In one embodiment, a biogenic tissue such as endothelium from the interior of an artery of a donor animal is first stabilized by appropriate chemical treatment, then burdened with a medicament. The implant, which is preferably in the form of a stent, plug or a patch, releases the medicament over a period of time. Desirable sequellae to the implantation of the device includes the relative absence of an inflammatory response when compared to synthetic implants and reendotheliazation of the implant with autologous endothelium which encapsulates and anatomically stabilizes the implant.

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First Claim