Byakoreshejwe mu kwagura ibyemezo bya Sphincter ya Oddi nigiti cya biliary.Shyiramo ibimenyetso bya platine-iridium kugirango byorohereze umupira wa ballon ukoresheje fluoroscopi.Yakozwe hamwe nuburyo bushya bwo guhunika imipira kumurongo wo hasi uganisha ku buryo bworoshye bwo kunyura murwego.Ikimenyetso cyikimenyetso hagati ya ballon gishobora gutuma kigaragara kugirango gifashe umuganga kugenzura neza umwanya mugihe cyo kuhagera, kugirango wirinde kunyerera cyangwa kunyerera.Diameter 3 zitandukanye kugirango zuzuze icyifuzo cya muganga.
Tekinike idasanzwe yo gufunga imipira, ahantu heza ho guhurira, guterana hasi, byoroshye kunyura endoscope