Patent ID: 6835387
Filing Date: 2004-12-28
Classification: A61L

Abstract:
An implantable or insertable medical device comprising:a superoxide dismutase mimic selected from 2,2,6,6-tetramethylpiperidine-1-yloxy, 4-hydroxytetramethyl-piperidine-1-oxyl, 4-hydroxy-2,2,6,6,-tetramethylpiperidine-1-N-oxyl, metal-pentaazacyclcopentadecane compounds, metal-porphyrin compounds, metal-porphine compounds, metal-desferioxamine compounds, metal-bis(cyclohexylpyridine) compounds and salen-metal compounds; and a polymeric release region comprising a copolymer of an isobutylene monomer and a styrene monomer that controls the release of said superoxide dismutase mimic upon administration to a patient.