Central Venous Catheters (CVC) ndi osabala, osagwiritsa ntchito kamodzi kokha ma catheter a polyurethane opangidwa kuti azithandizira kulowetsedwa m'malo ovuta. Amapezeka m'mitundu yosiyanasiyana ya lumen, kutalika, kukula kwa French ndi Gauge. Mitundu yambiri ya ma lumen imapereka ma lumens odzipatulira ochizira kulowetsedwa, kuyang'anira kupanikizika komanso kuyesa kwa venous. Ma CVC amapakidwa pamodzi ndi zida ndi zowonjezera kuti muyike ndi njira ya Seldinger. Zogulitsa zonse zimatsukidwa ndi ethylene oxide.