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Composite macrostructure of ceramic and organic biomaterials

  • US 4,849,285 A
  • Filed: 06/01/1987
  • Issued: 07/18/1989
  • Est. Priority Date: 06/01/1987
  • Status: Expired due to Fees
First Claim
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1. A acomposite self-supporting flexible agglomerated macrostructure comprising (1) a matric consisting essentially of a blend of a major portion of unfibrillated polytetrafluoroethylene resin and a minor portion of an addition curable silicone composition, said blend having been heated sufficiently to sinter the polytetrafluoroethylene and to cure said silicone composition, and (2) a particulate material selected from the class consisting of hydroxyapatite and tricalcium phosphate, said particulate material having a maximum particle size of about 2,000 microns and being uniformly distributed throughout said matrix;

  • said macrostructure being uniformly permeated by a network of open pores having a maximum pore size of about 2,000 microns and an overall porosity of up to about 50 percent by volume; and

    wherein said matrix comprises a major portion of said macrostructure and said particulate material comprises a minor portion of said macrostructure.

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