Patent ID: 7811327

Claim:
An expandable prosthetic implant device for engagement between vertebrae, comprising: a first member; a first end portion coupled to the first member and configured to engage a first vertebral body, the first end portion poly-axially articulatable with respect to the first member, the first end portion having an opening in fluid communication with the first member; a second member; a second end portion coupled to the second member and configured to engage a second vertebral body, the second end portion poly-axially articulatable with respect to the second member, the second end portion having an opening in fluid communication with the second member, wherein the first and second members are moveable relative to each other along a longitudinal axis, wherein the first end portion comprises a first socket portion configured to fit and engage with respect to a correspondingly first shaped spherical portion of the first member, wherein the second end portion comprises a second socket portion configured to fit and engage with respect to a correspondingly second shaped spherical portion of the second member, a first collet interposed between the first socket portion and the second spherical portion; a second collet interposed between the second socket portion and the second spherical portion; a first wedge adapted to be received in the first end portion and when advanced, the first collet is compressed downward against first socket portion and the first spherical potion to prevent further articulation; a second wedge adapted to be received in the second end portion and when advanced, the second collet is compressed downward against second socket portion and the second spherical potion to prevent further articulation.