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Disc prosthesis

  • US 6,458,159 B1
  • Filed: 09/14/2000
  • Issued: 10/01/2002
  • Est. Priority Date: 08/15/2000
  • Status: Expired due to Fees
First Claim
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1. An implant of a biocompatible metallic body having a front wall, a rear wall, and two side walls extending therebetween to define a substantially D-shaped interior space, and wherein each side wall defines a substantially arcuate curve joining one end of the front wall and one end of the rear wall, and wherein each wall contains at least one opening therein, the upper and lower surfaces of the two side walls having a plurality of teeth extending therefrom for engaging adjacent vertebral bodies, the implant being made of a biocompatible metal, the side walls tapering in height from the rear wall to the front wall;

  • wherein the upper and lower surfaces of the front and rear walls each lack teeth, and have a height substantially similar to that of a portion of the side wall adjacent the front and rear walls, wherein the height of the rear wall ranges from about 11 mm to about 15 mm, and the height of the front wall ranges from about 8 mm to about 12 mm, and wherein the difference in height between the rear wall of the implant and the front wall of the implant is about 3 mm.

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