An expandable intervertebral device including a body extending generally
along a longitudinal axis and including at least two branch portions
coupled together adjacent an end portion of the body. The device further
includes an expansion member positioned between the at least two branch
portions with at least a portion of the expansion member arranged at an
angular orientation relative to the longitudinal axis whereby a change in
the angular orientation relative to the longitudinal axis urges the at
least two branch portions apart to expand the body.