Objective To inverstigate the effect and safety of refractory intrahepatic and extrahepatic bile duct stones treated by choledochoscope holmium laser combined with electrohydraulic lithotripsy.

• 摘要目的探讨经胆道镜用钬激光联合液电碎石治疗肝内外胆道结石的安全性及疗效。