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Coated implantable medical device

  • US 8,556,962 B2
  • Filed: 05/25/2005
  • Issued: 10/15/2013
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Fees
First Claim
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1. A coated medical device, comprising:

  • a vascular stent having an outer surface and a lumen surface;

    a coating layer of parylene or a parylene derivative applied to at least the outer surface of the vascular stent;

    a bioactive material layer posited on said coating layer, the bioactive material layer comprising a bioactive material comprising dexamethasone or a dexamethasone derivative;

    a porous polymeric layer posited over said bioactive material layer, the porous polymeric layer capable of controlling the release of the dexamethasone or dexamethasone derivative from the bioactive material layer; and

    an overcoat consisting of phosphatidylcholine applied to said porous polymeric layer.

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