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Joint surface replacement system

  • US 5,683,466 A
  • Filed: 03/26/1996
  • Issued: 11/04/1997
  • Est. Priority Date: 03/26/1996
  • Status: Expired due to Term
First Claim
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1. An articular surface replacement system comprising:

  • a first component implanted into a first bone;

    said first component having a partially spherical head piece dimensioned to cover an end of said first bone;

    said first component having an integral, centrally located screw means for joining said first component to said bone, said screw means being affixed to an interior surface of said head piece and having a tapered threaded portion for allowing said first component to be anchored to the first bone;

    said first component further having means for gripping said end of said bone and for allowing solid fixation by a compression press fit, said bone gripping means being integrally formed with said head piece and being radially spaced from the center of said head piece.

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