Articulated endoprosthesis

Details Articulated endoprosthesis Articulated endoprosthesis

A - Human Necessities

61

F

A61F 2/30 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2533472

An endoprosthesis for a joint, in particular a an intervertebral implant with a central axis, a top part , a bottom part and a joint provided between them, wherein the joint comprises at least two articular surfaces A and B that can slide on one another; the top part has a top apposed surface that intersects the central axis and lateral surfaces; the bottom part has a bottom apposed surface that intersects the central axis and lateral surfaces; and wherein the endoprosthesis comprises at least one channel suitable to convey body fluid, said channel terminating in one of the two articular surfaces A and B and connecting it with the exterior of the endoprosthesis for the joint.

L'invention concerne une endoprothèse d'articulation, notamment un implant intervertébral (1), comportant un axe central (2), une partie supérieure (10), une partie inférieure (20) et une articulation (5) logée entre les deux parties : (A) l'articulation (5) présente au moins deux surfaces d'articulation (A, B) pouvant coulisser l'une sur l'autre ; (B) la partie supérieure (10) présente une surface d'apposition supérieure (15) coupant l'axe central (2), et des surfaces latérales (11, 12, 13, 14) ; et, (C) la partie inférieure (20) présente une surface d'apposition inférieure (25) coupant l'axe central (2), et des surfaces latérales (21, 22, 23, 24). L'endoprothèse d'articulation selon l'invention comporte au moins un canal (27, 28) destiné au transport de liquides corporels, aboutissant dans une des deux surfaces d'articulation (A, B), et reliant celle-ci à l'extérieur de l'endoprothèse d'articulation.

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