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Surface treated bioerodible metal endoprostheses

  • US 8,668,732 B2
  • Filed: 03/22/2011
  • Issued: 03/11/2014
  • Est. Priority Date: 03/23/2010
  • Status: Expired due to Fees
First Claim
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1. An endoprosthesis comprising an expandable tubular body defined by a plurality of struts, the expandable tubular body comprising a bioerodible metal having at least a first surface region and a second surface region, the first and second surface regions having different surface oxide compositions, wherein the second surface region comprises a sulfide of the bioerodible metal.

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