COV. Covidien Expands Device Portfolio for Endovascular Treatment of Peripheral Vascular Disease Viance™ Crossing Catheter and Enteer™ Re-entry System offer new approach to chronic total occlusions in peripheral arteries http://finance.yahoo.com/news/covidien-expands-device-portfolio-endovascular-201500196.html stockcharts.com/c-sc/sc?s=COV&p=D&yr=0&mn=3&dy=0&i=t18350285453&r=1347914574455