Constrained artificial implant for orthopaedic applications

Details Constrained artificial implant for orthopaedic applications Constrained artificial implant for orthopaedic applications

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2560803

A joint prosthesis (20) comprises a first member (26) for engaging a first bone portion and a second member (24) for engaging a second bone portion. The first member comprises a first surface (34) with a first curve and the second member comprises a second surface (30) with a second curve. The first member is translatable with respect to the second member and the second curve is positioned within the first curve to bias the first and second curves towards alignment along a first axis (44) passing through the first and second bone portions.

L'invention concerne une prothèse articulaire (20) comprenant un premier élément (26) qui entre en prise avec une première partie de l'os, et un second élément (24) qui entre en prise avec une seconde partie de l'os. Le premier élément comprend une première surface (34) présentant une première courbe et une seconde surface (30) présentant une seconde courbe. Le premier élément peut être translaté par rapport au second élément et la seconde courbe est située à l'intérieur de la première courbe pour solliciter la première et la seconde courbes et les aligner le long d'un premier axe (44) traversant les première et seconde parties de l'os.

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