Intervertebral implant comprising an upper part, a Middle part and a lower part, which can move between two joints with rotation axes cuttingEach Joint with a coaxial Shaft and a rotating Shaft support bearings, Rolling Elements between the coaxial shafts and Bearings.

摘要

Intervertebral implant in special artificial intervertebral disc,A Central Axis with a Top which is suitable for its support on the base plate of a vertebral Body adjacent to the top,And a Bottom which is suitable for its support on the part of a vertebral Body lower cover adjacent to it (and) the upper part presents a ventral or lateral areaDorsal lateral area n two lateral areas of a Side area of a Bottom Surface apposition and (b) the lower part has a lateral ventral dorsal lateral area an area two lateral areasSIDE area of apposition, a bottom and a Top Surface.(c) If both parties can move between two joints are arranged between the two Parties; (d) each of the joints has a rotating Shaft and two rotating shafts are dIspuestos transversely between them; (e) each Joint comprises at least a corresponding Shaft coaxial with the rotating Shaft and a Bearing SupportHome to one of the axes.