Inventors:
Marc Reichen - West Chester PA, US
David Chow - West Chester PA, US
K. Daniel Riew - St. Louis MO, US
Kurt Schmura - West Chester PA, US
Christopher Bonner - West Chester PA, US
David Gerber - Oberdorf, CH
International Classification:
A61F 2/44
Abstract:
A trial implant assembly is provided that includes a threaded shaft having exterior threading adjacent a distal end and a trial implant that includes a trial base having an interiorly threaded through hole couplable to the distal end of the shaft and a trial head having a superior endplate and an inferior endplate and a support connecting the superior endplate to the inferior endplate. A variety of visualization windows are provided through the trial implant as well as a variety of mechanically adjustable stops to prevent over insertion of the trial head within the intervertebral disc space.