PORTSMOUTH, N.H.--(BUSINESS WIRE)--As part of its ongoing effort to improve patient outcomes for spinal procedures and reduce non-routine patient discharges for its hospital customers, Salient Surgical Technologies, Inc. today unveiled the Aquamantys™ Epidural Vein Sealer (EVS) bipolar device at the American Academy of Orthopaedic Surgeons (AAOS) Annual Meeting in Las Vegas, NV.