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Biodegradable drug delivery material for stent

  • US 7,470,283 B2
  • Filed: 01/10/2003
  • Issued: 12/30/2008
  • Est. Priority Date: 04/13/2000
  • Status: Expired due to Fees
First Claim
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1. A coated stent comprising:

  • a stent body in a size suitable for implantation in a blood vessel; and

    a coating covering at least a portion of the stent body, the coating including a biodegradable terpolymer having three different types of units from three different monomers and comprising anhydride-derived and imide-derived units,wherein the terpolymer is bulk-erosion resistant when implanted into a lumen of a patient and subjected to blood flow.

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