A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/38 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01)
Patent
CA 2749909
A prosthetic knee includes a femoral component (12) and a tibial component (14) that cooperate to promote joint stability in deep flexion of the knee. An articulating surface (20) of the femoral component transitions from a convex curvature to a concave curvature at a femoral inflection point. An articulating surface of the tibial component transitions from a concave curvature to a convex curvature at a tibial inflection point. The femoral and tibial inflection points cooperate during flexion of the knee so that the concave curvat'oire of the femoral component mates with the convex curvature of the tibial component.
L'invention porte sur un genou prothétique comprenant un composant fémoral (12) et un composant tibial (14) coopérant pour favoriser une stabilité articulaire dans une forte flexion du genou. La surface d'articulation (20) du composant fémoral passe d'une courbure convexe à une courbure concave au niveau d'un point d'inflexion fémoral. La surface d'articulation du composé tibial passe d'une courbure concave à une courbure convexe au niveau d'un point d'inflexion tibial. Les points d'inflexion fémoral et tibial coopèrent durant la flexion du genou de telle sorte que la courbure concave du composant fémoral correspond à la courbure convexe du composant tibial.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Zim
Zimmer Inc.
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