A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/44 (2006.01)
Patent
CA 2645096
Intervertebral disc prosthesis comprising an upper plateau (16) with an outer surface (16a) bearing on an upper vertebra and with a surface (16b) directed towards the inside of the prosthesis, a lower plateau (18) with an outer surface (18a) bearing on a lower vertebra and with a surface (18b) directed towards the inside of the prosthesis, and a ball-type joint between the upper plateau and the lower plateau, comprising a bulged convex element (27), cooperating with a complementary recess of the bulged convex element (27) and coming into contact with said bulged convex element (27), said bulged convex element (27) comprising at least one slot (24, 25, 26, 28) that allows it to deform.
Prothèse de disque intervertébral comportant un plateau supérieur (16) ayant une surface externe d'appui (16a) sur une vertèbre supérieure et une surface (16b) dirigée vers l'intérieur de la prothèse, un plateau inférieur (18) ayant une surface externe d'appui (18a) sur une vertèbre inférieure et une surface (18b) dirigée vers l'intérieur de la prothèse et une liaison rotule entre le plateau supérieur et le plateau inférieur, comprenant un élément bombé convexe (27), coopérant avec une empreinte complémentaire de l'élément bombé convexe (27) et venant au contact dudit élément bombé convexe (27), ledit élément bombé convexe (27) comprenant au moins une lumière (24,25,26,28) lui permettant de se déformer.
Fetherstonhaugh & Co.
Spineart Sa
LandOfFree
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