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Spinal vertebrae implants

  • US 5,507,816 A
  • Filed: 09/06/1994
  • Issued: 04/16/1996
  • Est. Priority Date: 12/04/1991
  • Status: Expired due to Term
First Claim
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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.

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