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Implantable or insertable medical device resistant to microbial growth and biofilm formation

  • US 7,993,390 B2
  • Filed: 02/27/2004
  • Issued: 08/09/2011
  • Est. Priority Date: 02/08/2002
  • Status: Expired due to Fees
First Claim
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1. A stent comprising(A) a polymeric tubular shaft having more than one layer, said polymeric tubular shaft comprising a first annular layer comprising an extruded homogenous mixture of a matrix polymer, an antimicrobial agent and a microbial attachment/biofilm synthesis inhibitor that form a single distinct matrix polymer region;

  • (B) a first polymeric barrier layer at least partially covering an interior surface of said first annular layer; and

    (C) a second polymer barrier layer at least partially covering an exterior surface of said first annular layer.

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