Patent ID: 9044326
Filing Date: 2015-06-02
Classification: A61F

Abstract:
1. An implant system for use with a knee joint prosthesis, the implant system comprising: a femoral component configured for use with a distal femur, said femoral component comprising inner rails and a pair of femoral condyles, wherein the femoral condyles each have a proximal side with the inner rails extending proximally of the proximal sides of said femoral condyles; a set of femoral augments comprising a plurality of differently-sized femoral augments that each consist essentially of a porous metal material for facilitating bony ingrowth into and throughout the femoral augment when the femoral augment is implanted in the distal femur, each of the differently-sized femoral augments having a different overall height in the range of 30 mm to 50 mm, each of said differently-sized femoral augments including an interior wall and an exterior wall with a wall thickness of the femoral augment extending between said interior wall and said exterior wall such that said porous metal material spans the entirety of said wall thickness, wherein each of said differently-sized femoral augments is formed separately from said femoral component and is configured to be subsequently connected to said femoral component, and wherein each of said femoral augments includes a body portion and a pair of legs extending distally from said body portion, said body portion of each of said differently-sized femoral augments including a tapered outer lateral surface and a tapered outer medial surface that each are tapered inwardly in a distal-to-proximal direction so as to define a generally conical portion of said body portion, said pair of legs of each of said differently-sized femoral augments defining a medial-lateral recess therebetween in which said inner rails are received when said femoral augment is connected to said femoral component.