definition of tunneled catheter
Richard J. Solove Research Institute. A tunneled Central Venous Catheter (CVC) is a special type of. intravenous (IV) line that is placed into a large vein in your chest. A long, thin, ï¬ exible tube called a catheter is tunneled under your skin and then. placed into the vein. You may hear this type of line called a Central line, GroshongÂ®, HickmanÂ® or an Apheresis Catheter. A tunneled CVC can be used over a long period of time. It may stay in. place as long as you need it and it is working well.