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Joint prosthesis and method of implantation

  • US 6,716,249 B2
  • Filed: 01/24/2002
  • Issued: 04/06/2004
  • Est. Priority Date: 01/16/2001
  • Status: Expired due to Fees
First Claim
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1. A modular, prosthetic finger or toe joint assembly adapted to be inserted through a bone hole, wherein said bone hole extends from a first bone through an articular surface of the first bone and through an articular surface of a second bone, said assembly comprising:

  • an articular head module, having a substantially convex articular surface and configured for attachment to the first bone through said bone hole;

    an articular base module, having a substantially concave articular surface for mating with said convex articular surface, said base module being configured and dimensioned to be inserted through said bone hole and attached to the second bone a first magnetic array placed in the convex articular surface; and

    a second magnetic array placed in the concave articular surface, wherein said first and second arrays are configured to provide a magnetic field ineraction to align the two articular surfaces.

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