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Bone cement having chemically joined reinforcing fillers

  • US 5,336,699 A
  • Filed: 12/28/1992
  • Issued: 08/09/1994
  • Est. Priority Date: 02/20/1992
  • Status: Expired due to Fees
First Claim
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1. An orthopaedic composition, comprising:

  • an amount of a physiologically acceptable polymeric matrix material; and

    a quantity of fibers disbursed in said matrix for enhancing functional qualities of the composition, said fibers having a layer of a sizing material thereover which is chemically joined to the surface of the fibers, said sizing material on the fibers also being chemically joined with the matrix material,said fibers being present in said composition in an effective amount for reinforcing said matrix and having an average length of from about 1 μ

    m to about 2 cm,said fibers having a stiffness defined as the product of the tensile elastic modulus of the fibers and the area moment of inertia of the fibers, said stiffness being from about 1.0×

    10-13 to 150×

    10-13 Nm2.

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