BELGRADE, Mont. and DALLAS, June 08, 2016 (GLOBE NEWSWIRE) -- Xtant Medical Holdings, Inc. (NYSE MKT:XTNT), a leader in the development of regenerative medicine products and medical devices and Pinnacle Spine Group, LLC, a developer of innovative spinal fusion solutions, today announced a joint agreement to expand distribution of Pinnacle's InFill® Lateral Lumbar Interbody Fusion System. Through this agreement, Xtant enters the lateral lumbar interbody fusion market, expanding its spinal hardware portfolio.