Loo isticmaalo in lagu kala furfuro adkaanta Sphincter of Oddi iyo geed biliary ah. Calaamadaha platinum-iridium ee ku dhex jira si loo fududeeyo meelaynta buufinta iyadoo la isticmaalayo fluoroscopy. Lagu sameeyay hannaan laalaabida buufin cusub ee muuqaal hoose oo horseedaya fududaan joogto ah oo loo maro baaxadda. Calaamadda calaamadda ah ee ku taal badhtamaha buufinku waxay ka dhigi kartaa mid muuqata si ay uga caawiso dhakhtarka inuu si fiican u koontaroolo booska inta lagu jiro gelitaanka, si looga fogaado in buufinta uu galo ama ka baxo. 3 dhexroor oo kala duwan si loo daboolo codsiga dhakhtarka.