Archimedes Bio-degradable Bile Duct Stent Study

Inclusion Criteria: * • Participant is willing and able to give informed consent for participation in the study. * Male or Female, aged 18 years or above. * Patients who have an indication for ERCP. * Patients who have bile leak either post cholecystectomy or liver resection. * Patients who are on the waiting list for cholecystectomy for gall stones but have bile duct stones and listed for removal of bile duct stones. * Able (in the Investigators opinion) and willing to comply with all study requirements. * Willing to allow his or her General Practitioner and consultant, if appropriate, to be notified of participation in the study. Exclusion Criteria: * Female participants who is pregnant, lactating or planning pregnancy during the course of the study. * Patients who are unable to consent for the study. * Participant who is terminally ill * Patients who come for ERCP and routine stent change * Any other significant disease or disorder which, in the opinion of the Investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participant's ability to participate in the study.