WASHINGTON, March 7, 2019 /PRNewswire/ —  MCRA, LLC announced today its role in the successful Premarket Approval (PMA) application decision by the U.S. Food and Drug Administration (FDA) to approve the Orthofix M6-C™artificial cervical disc for the treatment of single level cervical disc degeneration. A next-generation artificial cervical disc, the M6-C disc developed by Spinal Kinetics LLC is …