Ma catheter a PTA akuphatikiza baluni ya 0.014-OTW, baluni ya 0.018-OTW ndi baluni ya 0.035-OTW, omwe amasinthidwa kukhala 0.3556 mm (0.014 mainchesi), 0.4572 mm (0.018 mainchesi) ndi 0.809 mainchesi (0.803 mainchesi). Chilichonse chimakhala ndi baluni, Tip, chubu lamkati, mphete yopangira, chubu chakunja, chubu chosokoneza, chophatikizika chooneka ngati Y ndi zigawo zina.