Cooley Cardiovascular Clamp - Fully-CurvedDDP Elite USA Cooley Cardiovascular Clamp is ideally suited for use in cardiothoracic surgical procedures that require temporary occultation of the iliac artery. This instrument comes equipped with fully curved jaws making it particularly well suited for use in clamping vessels close to the diameter of the iliac vessels. The scissor grip handles and the ratcheting mechanism for keeping the clamp in place allows for this clamp to stay securely in place