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Hybrid matrix implants and explants

  • US 6,419,920 B1
  • Filed: 10/05/1999
  • Issued: 07/16/2002
  • Est. Priority Date: 10/25/1995
  • Status: Expired due to Fees
First Claim
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1. A composition comprising a body of matrix material comprising insoluble collagen fibrils, there being embedded within the body of matrix material(a) a population of cultured vertebrate cells genetically engineered to express a polypeptide;

  • (b) a plurality of microspheres; and

    (c) an agent selected from the group consisting of a factor which promotes vascularization, a cytokine, a growth factor and ascorbic acid.

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