ALBANY, N.Y., April 23, 2012 (GLOBE NEWSWIRE) -- AngioDynamics (Nasdaq:ANGO), a leading provider of innovative, minimally invasive medical devices for vascular access, surgery, peripheral vascular disease and oncology, today announced the resumption of shipments of its NanoKnife® System in the U.S. market following a software modification that removed the Ablation Zone Estimator (AZE) feature pursuant to previously announced voluntary actions.