Central Venous Catheters (CVC) yog sterile, siv ib zaug xwb polyurethane catheters tsim los pab kom infusion kho nyob rau hauv ib tug tseem ceeb kev saib xyuas. Lawv muaj nyob rau hauv ntau yam lumen configurations, ntev, Fabkis thiab Gauge ntau thiab tsawg. Qhov ntau lumen variants muab lumens siab rau kev kho infusion, kev soj ntsuam siab thiab venous sampling. CVC tau ntim nrog cov khoom siv thiab cov khoom siv rau kev ntxig nrog cov txheej txheem Seldinger. Tag nrho cov khoom yog sterilized los ntawm ethylene oxide.