CARLSBAD, Calif., March 28, 2019 (GLOBE NEWSWIRE) — Alphatec Holdings, Inc. (“ATEC” or the “Company”) (Nasdaq: ATEC), a medical device company dedicated to revolutionizing the approach to spine surgery, announced today the commercial release of its new IdentiTi-C Porous Titanium Interbody Implant System for Anterior Cervical Discectomy and Fusion (ACDF).  The launch of the IdentiTi-C …