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Biodegradable drug delivery material for stent

  • US 7,390,333 B2
  • Filed: 01/10/2003
  • Issued: 06/24/2008
  • Est. Priority Date: 04/13/2000
  • Status: Expired due to Fees
First Claim
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1. A stent constructed of a biodegradable polymer, said polymer comprising an ester content of 20% to 40% of the polymer, wherein the stent degrades from its surface inwardly when subjected to blood flow, such that bulk erosion is effectively precluded.

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