Chubu chowonjezera chokhala ndi stopcock, chubu chowonjezera chokhala ndi chowongolera choyenda. Chubu cholowera chokhala ndi cholumikizira chaulere cha singano.
Chubu chowonjezera ndi chubu chosinthika chomwe chimagwiritsidwa ntchito kukulitsa kutalika kwa machubu omwe alipo. Amagwiritsidwa ntchito kwambiri pazachipatala pazinthu zosiyanasiyana, kuphatikizapo mankhwala a IV, catheterization ya mkodzo, kuthirira kwa bala, ndi zina. Izi zimathandiza kusinthasintha kwambiri pakuyika thumba la IV kapena kutengera kayendedwe ka wodwalayo. Ikhoza kugwiritsidwanso ntchito kuthandizira kayendetsedwe ka mankhwala, monga ma doko owonjezera kapena zolumikizira zingakhalepo pa chubu chowonjezera.Ku catheterization ya mkodzo, chubu chowonjezera chikhoza kumangirizidwa ku catheter kuti chiwonjezeke kutalika kwake, zomwe zimapangitsa kuti mkodzo ukhale wosavuta kulowa mu thumba la kusonkhanitsa. Zingakhale zothandiza pazochitika zomwe wodwala akufunikira kusuntha kapena kuika thumba la zosonkhanitsira liyenera kusinthidwa.Mu kuthirira kwa mabala, chubu yowonjezera ikhoza kugwirizanitsidwa ndi syringe yothirira kapena thumba lachitsulo kuti liwonjezere kufikira kwa madzi omwe akugwiritsidwa ntchito poyeretsa mabala. Izi zimapangitsa kuti zikhale zomveka bwino komanso zowongolera panthawi ya ulimi wothirira.Machubu owonjezera amabwera mosiyanasiyana ndipo amakhala ndi zolumikizira pamapeto onse kuti athe kulumikizidwa kotetezeka ku zigawo zosiyanasiyana za zida zamankhwala. Nthawi zambiri amapangidwa ndi zida zosinthika komanso zachipatala kuti zitsimikizire kuti zimagwirizana, chitetezo, komanso kugwiritsa ntchito mosavuta.Ndikofunikira kudziwa kuti kugwiritsa ntchito machubu owonjezera kuyenera kuchitidwa motsogozedwa ndi akatswiri azachipatala kuti atsimikizire ukhondo woyenera, kugwirizana, komanso kupewa zovuta zilizonse.