Patent ID: 8454700

Claim:
An interbody vertebral implant having a posterior side and an anterior side, the implant comprising: a first end plate having a first side configured to engage a first vertebra and a second side; a second end plate having a first side and a second side configured to engage a second vertebra; and an intermediate member having a first side and a second side and including a first arm extending along a first lateral side, a second arm extending along a second lateral side, and a central arm disposed between the first arm and the second arm, the intermediate member slidably disposed between the first and second end plates; wherein the first arm, the second arm, and the central arm are connected along the posterior side by a connecting member; wherein the first end plate comprises a central channel extending along the second side of the first end plate from the anterior side toward the posterior side and the second end plate comprises a central channel extending along the first side of the second end plate from the anterior side toward the posterior side; and wherein a pair of dovetail grooves extend along at least a portion of the central channels of the first and second end plates.