Edwards Aortic Perfusion Cannula with Duraflow Coating, REF: DARH201190TA, 20 Fr. x 28 cm, Sterile EO, Edwards Lifesciences LLC, Irvine, CA 92614. || The cannula perfuses blood to the ascending aorta during short-term (<6 hours) cardiopulmonary bypass procedures. The device is a Duraflo coated cannula intended for use in cardiopulmonary surgery when a heparin coated blood path is desired.