Patent ID: 8172905

Claim:
A spinal implant for stabilizing intervertebral space between adjacent vertebrae and maintaining curvature of the spine comprising a cage with a hollow interior and having a first end and a second end, a first elongated side connecting said first end and said second end, a second elongated side connecting said first end and said second end, said second elongated side diametrically opposed to said first elongated side about said hollow interior, said first elongated side and said second elongated side spaced apart forming an opening communicating with said hollow interior, said opening having a periphery defined by the edges of said first elongated side and said second elongated side, said periphery including a plurality of angled teeth, a first portion of said plurality of teeth angled toward said first end and a second portion of said plurality of teeth angled away from said first end, said first end being longer than said second end, said first elongated side and said second elongated side extending toward each other to form a wedge, said wedge adapted to contact adjacent vertebrae to maintain curvature of the spine, said first end having a rectilinear shape with two opposite long sides connected to two opposite short sides, said second end having a rectilinear shape with two opposite long sides connected to two opposite short sides, said first elongated sidewall attached to one long side of said first end and said second elongated sidewall attached to a second long side of said first end, said second end having a rectilinear shape with two opposite sides shorter than said opposite long sides of said first end, said first elongated sidewall attached to one shorter side of said second end and said second elongated sidewall attached to the opposite shorter side of said second end.