Abstract
50 years old male patient with Obstructive Jaundice and Common Bile Duct (CBD) Stone. ERCP of the patient was done by Professor Dr. Muhammad Umar S.I., Vice Chancellor RMU and after placing the wire, standard Sphinterectomy was done. Sphincter-tome was pushed up in CBD to assess the size of the Sphincterotomy. During this the stone got stuck in the wire and sheath of sphincter-tome producing the basket effect. Stone was retrieved with the sphincter-tome.