Venous Catheter Central Venous Access Catheter http://purl.obolibrary.org/obo/go.owl CPTAC Central Venous Access Catheter Central Venous Access Catheters A venous catheter positioned with the tip in the proximal third of the superior vena cava, the right atrium, or the inferior vena cava. C1145640 Medical Device NICHD A tube surgically placed into a blood vessel for the purpose of giving intravenous fluid and drugs. It also can be used to obtain blood samples. This device avoids the need for separate needle insertions for each infusion or blood test. Examples of these devices include Hickman catheters, which require clamps to make sure the valve is closed, and Groshong catheters, which have a valve that opens as fluid is withdrawn or infused and remains closed when not in use. C17612 Central Line Catheter Central_Venous_Access_Catheter central venous access catheter Central Venous Access Catheter