Catheters yo hagati (CVC) ni sterile, ikoreshwa rimwe gusa ya polyurethane catheters yagenewe koroshya imiti yinjiza mubuzima bukomeye. Baraboneka muburyo butandukanye bwa lumen, uburebure, ubunini bwigifaransa na Gauge. Impinduka nyinshi za lumen zitanga lumens zabugenewe zo kuvura infusion, kugenzura umuvuduko no gutoranya imitsi. CVC ipakiwe hamwe nibikoresho hamwe nibikoresho byo kwinjiza hamwe na tekinike ya Seldinger. Ibicuruzwa byose byatewe na okiside ya Ethylene.