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Carbon based prosthetic devices

  • US 5,981,827 A
  • Filed: 11/12/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 11/12/1996
  • Status: Expired due to Fees
First Claim
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1. A composite article comprising:

  • a porous structural member formed of carbon fiber, said porous structural member containing a multiplicity of pores of dimensions greater than about 200 microns in diameter, said porous structural member further including carbon fill material within a portion of said pores such that the pores are essentially less than about 200 microns in diameter, said carbon fill material-containing porous structural member defining a composite carbon/carbon intermediate article which includes an outer surface; and

    ,a thin coating of diamond like carbon upon said outer surface of said composite carbon/carbon intermediate article, said composite article characterized as having a density gradient with a greatest density near the center of said composite article and a lower density near the surface of said composite article.

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