Ukusetshenziswa: kusetshenziselwa ukukhishwa kwe-endoscopic yamatshe e-biliary. Nikeza ngocingo oluqondisayo kanye nelume lomjovo. (itshe ngaphansi kuka-5mm)
Yehlisa ukungezwani komzimba womuntu nokuphepha
Sula ukubuka kwendawo ngaphansi kwe-X-ray
Ivumela ukuhlukahluka kwe-anatomical
Gwema ngokuphumelelayo ukulimala kwe-lumen, kalula ukukhanselwa futhi udlule ukuqina
Ukukhethwa komtholampilo okulula