Cooley Vascular ClampDDP Elite USA Cooley Vascular Clamp is ideally suited for use in cardiothoracic surgeries. This clamp is not designed for one particular purpose but rather serves as a multi purpose instrument that can be used to clamp a number of different vessels. Additionally, this instrument features an angled shank and jaws calibrated at 5 mm intervals and is available in either 60 or 90 degree angles and small or large jaws making this clamp highly customizable