CARLSBAD, Calif., Aug. 07, 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 InVictus Minimally Invasive, or MIS, SingleStep K-wireless implant delivery system. By completely eliminating the requirement for K-wires in a percutaneous …