A central venous catheter, also called a centralline, is a long, thin, flexible tube used to give medicines, fluids, nutrients, or blood products over a long period of time, usually several weeks or more. Acatheter is often inserted in the arm or chest through the skin into a large vein.

Diagram showing a tunneled central line inserted into the right subclavian vein. ... Acentral venous catheter (CVC), also known as a central line, central venous line, orcentral venous access catheter, is a catheter placed into a large vein.

A PICC line is a thin, soft, long catheter (tube) that is inserted into a vein in your child's arm, leg or neck. The tip of the catheter is positioned in a large vein that carries blood into the heart. The PICC line is used for long-term intravenous (IV) antibiotics, nutrition or medications, and for blood draws.

A port is a small medical appliance that is installed beneath the skin. A catheter Chemotherapy is often toxic, and can damage skin and muscle tissue, and therefore should not be delivered through these tissues.