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Polymer-bioceramic composite implantable medical device with different types of bioceramic particles

  • US 7,955,381 B1
  • Filed: 06/29/2007
  • Issued: 06/07/2011
  • Est. Priority Date: 06/29/2007
  • Status: Expired due to Fees
First Claim
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1. A stent comprising structural elements fabricated at least in part from a bioceramic/polymer composite, the composite having a plurality of bioceramic particles dispersed within a biodegradable polymer, the plurality of bioceramic particles comprising at least two types of bioceramic particles, a first type which includes acidic or hydrophilic particles that increases the degradation rate of the polymer and a second type which includes basic particles that decreases the degradation rate of the polymer.

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