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Hinged joint system

  • US 20050107886A1
  • Filed: 12/20/2002
  • Published: 05/19/2005
  • Est. Priority Date: 12/21/2001
  • Status: Active Grant
First Claim
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1. A prosthetic system for performing the function of a knee joint, comprising:

  • (a) a tibial component having a tibial plateau and a tibial stem portion, the tibial plateau having a top side and a bottom side;

    (b) a post having a proximal end and a distal end, the post adapted to project from the top side of the tibial plateau;

    (c) a tibial insert having an aperture, the tibial insert adapted to be positioned on the top side of the tibial plateau with the tibial insert aperture adapted to receive the post;

    (d) a femoral component having a base portion and a central housing having a femoral stem portion, the base portion having a pair of condyles and two posteriorly extending lobes;

    (e) an axle adapted to connect to the lobes and extend between the lobes; and

    (f) a link having an anterior end and a posterior end, the link adapted to be connected to the axle at the posterior link end and to receive the post at the anterior link end.

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