Spinal vertebrae implants
First Claim
1. A spinal implant comprising a first component arranged, in use, to be secured to a first vertebrae and a second component arranged, in use, to be secured to a second vertebrae said implant including a first pair of cooperating surfaces that are curved in at least two directions and a second pair of cooperating surfaces that are substantially planar, whereby, in use, relative movement of said first pair of cooperating surfaces is arranged to allow curved movement of said first and second components to occur in more than one possible direction and relative movement of said second pair of cooperating surfaces is arranged to cause relative translational movement of said first and second components.
4 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to a spinal implant having a plate with a raised platform which rests in a channel in a vertebrae to prevent sideways movement of the plate. A rib extends into a groove formed in the base of the channel to help prevent relative forwards and backwards movement of the plate through the channel. Another plate is similarly secured to the facing surface of an adjacent vertebrae. A spacer is inserted between the plates, such spacer including a downwardly facing convex surface and a flat upwardly facing surface. The convex surface slides in a concave recess provided on top of the plate and the flat surface slides against a downwardly facing flat surface of the upper plate.
937 Citations
8 Claims
- 1. A spinal implant comprising a first component arranged, in use, to be secured to a first vertebrae and a second component arranged, in use, to be secured to a second vertebrae said implant including a first pair of cooperating surfaces that are curved in at least two directions and a second pair of cooperating surfaces that are substantially planar, whereby, in use, relative movement of said first pair of cooperating surfaces is arranged to allow curved movement of said first and second components to occur in more than one possible direction and relative movement of said second pair of cooperating surfaces is arranged to cause relative translational movement of said first and second components.
Specification