A takaice bayanin:

Kwayoyin likitan lantarki da za a iya raba shi shine na'urar kiwon lafiya na musamman wacce ake amfani da ita don hangen nesa da kuma nazarin bututu na cikin jiki. Yana da sassauƙa da siririn da aka saka ta bakin baki ko hanci da jagora a cikin ƙaramin hanji don samun dama da kuma hango biranen bile. An san wannan hanyar a matsayin retsoopar replangiopancancancaratsopatogography (ERCP). Hotunan choedochoscope yana watsa hotuna masu inganci kuma yana ba da damar kimantawa na ganowa ko kuma kayan aikin warkewa ko sanya tobales don sauƙaƙe abubuwan toshe a cikin bututun bile. A cikin zubar da wannan wannan coledochoscope na nufin cewa an yi niyya don amfani guda ɗaya don tabbatar da amincin haƙuri kuma tabbatar da gurguwar haƙuri da hana gurbatawa.