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CERAMIC-ON-CERAMIC PROSTHETIC DEVICE COUPLED TO A FLEXIBLE BONE INTERFACE

  • US 20070219640A1
  • Filed: 03/19/2007
  • Published: 09/20/2007
  • Est. Priority Date: 03/16/2006
  • Status: Abandoned Application
First Claim
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1. An articulating prosthetic ball and socket joint assembly comprising:

  • a resilient interface component manufactured from resilient material, said resilient interface component having a generally hemispherical shell shape with an inner and outer surface and a circumferential edge, wherein said resilient interface component inner surface includes snap-fit ceramic socket liner fixation means, said resilient interface component outer surface includes snap-fit bone connection means;

    a ceramic socket liner component having a generally hemispherical shell shape with an inner and outer surface, said ceramic socket liner component outer surface including snap-fit resilient interface fixation means, said outer surface of said ceramic socket liner component being conformal to and mated with said inner surface of said resilient interface component and held in place by mutual engagement of said snap-fit ceramic socket liner fixation means and said snap-fit resilient interface fixation means;

    a ceramic ball head component having a generally spherical shape with an outer articulation surface conformal to the said inner surface of the said ceramic socket liner component and permitting sliding contact therewith;

    said ceramic ball head component further comprising bone attachment means distal from said outer articulation surface.

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