Sklar's DeBakey Atraumatic Vena Cava Clamp is a ratcheted, finger ring instrument, specially designed for total or partial occlusion of either the superior vena cava or the inferior vena cava, the two large veins that take blood to the heart. The inferior vena cava is the largest vein in the human body. Although it is a large vessel, it's walls are very thin and thus the benefit of using atraumatic clamps for controlling blood flow. Sklar operating room grade instruments are made from the highest grade surgical steel and incorporate the finest level of craftsmanship. Superior manufacturing and quality inspection guarantee that Sklar instruments meet the demands of our customers. These instruments have been designed to provide exceptional comfort and precision all while ensuring the durability and strength that has been provided by Sklar for over 100 years. This product is considered a small size clamp. It has a double angle with 1x2 rows of fine, atraumatic teeth, and a length of 9 inches.