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Porous three dimensional structure

  • US 6,520,997 B1
  • Filed: 12/07/2000
  • Issued: 02/18/2003
  • Est. Priority Date: 12/08/1999
  • Status: Expired due to Fees
First Claim
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1. A porous three dimensional structure for implantation in a host animal capable of producing an inflammatory foreign body response, the structure comprising first and second layers spaced by a plurality of posts having a predetermined length connecting the first and second layers, each of the layers having a plurality of openings of a predetermined size permitting fluids and inflammatory cells of the animal to pass through the openings and migrate into an interior volume defined by the first and second layers, and wherein the width of each of the plurality of openings is less than about 20 μ

  • m and the size of the openings and length of the posts promote a non-flattened morphology of the cells, and wherein the structure promotes vascularization adjacent to the structure when implanted into the animal.

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