How do we ensure that trainees learn to perform biliary sphincterotomy safely, appropriately, and effectively?
Related Experiment Video
Updated: Jul 5, 2026

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve
Published on: August 15, 2025
1University of California, Davis School of Medicine, 4150 V Street, Suite 3500 PSSB, Sacramento, CA 95817, USA. jwleung@ucdavis.edu
Abstract:
Sphincterotomy is a high-risk procedure with considerable complications. Trainees should learn and understand the basics of endoscopic retrograde cholangiopancreatography and sphincterotomy to ensure good clinical outcomes. Teaching of sphincterotomy usually involves supervised hands-on clinical practice with patients. Proper positioning of the endoscope allows for correct orientation with the papilla, and performing the cut along the "ideal" biliary axis optimizes results and reduces complications. Learning and practicing sphincterotomy can be supplemented by simulator models. The Neo-Papilla model uses a modified chicken heart attached to the porcine ex vivo model and allows for cutting of actual tissue. The mechanical simulator allows trainees to practice cutting an artificial papilla marked with the "perfect" axis to understand the proper sphincterotomy technique. Understanding the indications and contraindications helps with appropriate application of sphincterotomy. Objective criteria should be available for assessing performance. Improved technique and avoiding a deviated cut may improve overall results and prevent complications.
Related Concept Videos
Tracheostomy Suctioning II: Procedure
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
