Amagwiritsidwa ntchito kukulitsa zolimba za Sphincter of Oddi ndi mtengo wa biliary.Zolemba za platinamu-iridium kuti zithandizire kuyika kwa baluni pogwiritsa ntchito fluoroscopy.Kupangidwa ndi njira yatsopano yopinda ma baluni kuti ikhale yocheperako zomwe zimapangitsa kuti muzitha kudutsa mosavuta.Chizindikiro chapakati pa baluni chikhoza kupangitsa kuti ziwonekere kuti zithandize dokotala kuwongolera bwino malo omwe akulowera, kuti mpukutuwo usalowe kapena kutuluka.3 ma diameter osiyanasiyana kuti akwaniritse pempho la dokotala.
Njira yapadera yopukutira ma baluni, malo abwino olumikizirana, kukangana kochepa, kosavuta kudutsa endoscope