TUSTIN, Calif.--(BUSINESS WIRE)--Toshiba America Medical Systems, Inc., an industry leader in magnetic resonance (MR) technology, reached a significant achievement in installing its 500th VantageTM 1.5T MR system at Jefferson Regional Medical Center (JRMC) in Pine Bluff, Ark. JRMC will use the Vantage system for a variety of diagnostic procedures including orthopedic, head and abdomen imaging.