Patent ID: 8292958
Filing Date: 2012-10-23
Classification: A61F

Abstract:
1. A spinal cage assembly, comprising: a spinal cage comprising a wall extending in a longitudinal direction, said wall progressing circumferentially in a closed curve that fits within an intervertebral disc space; and a spin-plate engaged with said spinal cage, said spin-plate having a rotational axis; wherein said spin-plate near at least one end has a pair of flats having a local flat-to-flat external width of said spin-plate, and at a same cross-section perpendicular to said rotational axis as said flats, has a curved surface having a diameter; wherein said spinal cage comprises a longitudinally-oriented groove having a first sidewall and an opposing second sidewall, and a groove bottom connecting said first sidewall and said second sidewall, wherein said longitudinally-oriented groove includes a groove width measured between said first sidewall and said second sidewall; and wherein said groove width is intermediate between said local flat-to-flat external width and said diameter.