MINNETONKA, Minn., April 4, 2016 /PRNewswire/ — Zyga Technology, Inc., a medical device company focused on the design, development and commercialization of minimally invasive devices to treat underserved conditions of the lumbar spine, today announced enrollment of its first four patients in the expanded EVoluSIon (EVSI) Clinical Study. This prospective, 40-site, 250-patient trial will evaluate long-term […]