ST. PAUL, Minn.--(BUSINESS WIRE)--Torax Medical today announced Keck Medical Center of USC, Mayo Clinic Florida, and UC San Diego Health System of UCSD are among the first centers offering a new procedure using the LINX® Reflux Management System, recently approved by the U.S. Food and Drug Administration (FDA). The LINX System is indicated for use in patients diagnosed with Gastroesophageal Reflux Disease (GERD).