Li-Catheter tsa Central Venous (CVC) ha li na likokoana-hloko, li sebelisoa feela ka polyurethane catheter tse etselitsoeng ho thusa phekolo ea infusion sebakeng sa tlhokomelo e mahlonoko. Li fumaneha ka mefuta e fapaneng ea litlhophiso tsa lumen, bolelele, boholo ba Sefora le Gauge. Mefuta e mengata ea lumen e fana ka li-lumens tse inehetseng bakeng sa kalafo ea infusion, ho lekola khatello le sampole ea venous. Li-CVC li phuthetsoe hammoho le likarolo le lisebelisoa bakeng sa ho kenngoa ka mokhoa oa Seldinger. Lihlahisoa tsohle li entsoe ka ethylene oxide.