Cooley Coronary DilatorsDDP Elite USA Cooley Coronary Dilators are unique made for use in cardiothoracic surgeries. Many of these surgical procedures requires exploration of abnormal vessels and these instruments are well suited for this. Additionally, there are many reasons that requires a surgeon to measure luminal diameters and dilations and these dilators are made to be malleable and easy to manipulate in these instances. These dilators are formed from aluminum and are