A na-eji ya na-amụba ihe siri ike nke Sphincter nke Oddi na osisi biliary. Ihe nrịbama platinum-iridium agbakwunyere iji kwado ntinye balloon site na iji fluoroscopy. Emere ya na usoro mpịachi balloon ọhụrụ maka profaịlụ dị ala na-eduga n'ịdị mfe ịgafe n'obosara. Akara akara n'etiti balloon nwere ike ime ka ọ bụrụ ihe a na-ahụ anya iji nyere dọkịta aka ịchịkwa ọnọdụ ahụ nke ọma mgbe ị na-enweta ya, ka ịzenarị balloon ma ọ bụ tufuo. 3 dayameta dị iche iche iji gboo arịrịọ dọkịta.
