A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/38 (2006.01)
Patent
CA 2164042
A modular knee prosthesis includes a femoral component having a pair of spaced apart condylar portions each having a superior articulating surface and an inferior surface, and a boss structure disposed between and connecting the condylar portions. The prosthesis further includes an elongate stem member that mounts within the medullary canal of a distal portion of a femur, a collar and at least one securing bolt. The collar mounts upon the external end of the stem member, and has a distal surface that is substantially transverse to a longitudinal axis of the stem member when mounted thereon. The collar distal surface and the inferior surface of the boss structure define a selected mounting angle therebetween, and the securing bolt, which is adapted to mount within an aperture formed in the boss structure, has a head portion with a spherical first surface from which an elongate shaft portion extends. The shaft of the securing bolt can be disposed at a generally centrally located position or at a non-centrally located position on the head portion of the bolt.
Gabriel Stefan M.
Sheenan David G.
Depuy Orthopaedics Inc.
Johnson & Johnson Professional Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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