The Central Venous Catheters (CVC) bụ ihe na-adịghị mma, otu-eji naanị polyurethane catheters emebere iji kwado ọgwụgwọ infusion na gburugburu ebe nlekọta dị oke mkpa. Ha dị n'ụdị nhazi lumen dị iche iche, ogologo, French na nha nha. Ụdị dị iche iche nke lumen na-enye lumens raara onwe ya nye maka ọgwụgwọ infusion, nlekota nrụgide na nlele venous. A na-akwakọba CVC yana akụrụngwa yana ngwa maka itinye ya na usoro Seldering. A na-agbapụta ngwaahịa niile site na ethylene oxide.