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Production of ERCP training model using a 3D printing technique (with video)

Authors
Kwon, Chang-IlShin, YeonsunHong, JaeokIm, MinjeKim, Guk BaeKoh, Dong HeeSong, Tae JunPark, Won SukHyun, Jong JinJeong, Seok
Issue Date
May-2020
Publisher
BioMed Central
Keywords
Printing; Three-dimensional; Cholangiopancreatography; endoscopic retrograde; Endoscopy; Training model
Citation
BMC Gastroenterology, v.20, no.1
Indexed
SCIE
SCOPUS
Journal Title
BMC Gastroenterology
Volume
20
Number
1
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/813
DOI
10.1186/s12876-020-01295-y
ISSN
1471-230X
Abstract
Background ERCP training models are very different in terms of anatomical differences, ethical issues, storage problems, realistic tactile sensation, durability and portability. There is no easy way to select an optimized model for ERCP training. If the ERCP training model could be made as a soft silicone model using 3D printing technique, it would have numerous advantages over the models presented so far. The purpose of this study was to develop an optimized ERCP training model using a 3D printing technique and to try to find ways for implementing various practical techniques. Methods All organ parts of this model were fabricated using silicone molding techniques with 3D printing. Especially, various anatomy of the ampulla of Vater and common bile duct (CBD) were creatively designed for different diagnostic and therapeutic procedures. In order to manufacture each of the designed organ parts with silicone, a negative part had to be newly designed to produce the molder. The negative molders were 3D printed and then injection molding was applied to obtain organ parts in silicone material. The eight different types of ampulla and CBD were repeatedly utilized and replaced to the main system as a module-type. Results ERCP training silicone model using 3D technique was semi-permanently used to repeat various ERCP procedures. All ERCP procedures using this model could be observed by real-time fluoroscopic examination as well as endoscopic examination simultaneously. Using different ampulla and CBD modules, basic biliary cannulation, difficult cannulation, stone extraction, mechanical lithotripsy, metal stent insertion, plastic stent insertion, and balloon dilation were successfully and repeatedly achieved. Endoscopic sphincterotomy was also performed on a specialized ampulla using a Vienna sausage. After repeat procedures and trainings, all parts of organs including the ampulla and CBD modules were not markedly damaged or deformed. Conclusions We made a specialized ERCP training silicon model with 3D printing technique. This model is durable, relatively cheap and easy to make, and thus allows the users to perform various specialized ERCP techniques, which increases its chances of being a good ERCP training model.
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Hyun, Jong Jin
Ansan Hospital (Department of Gastroenterology and Hepatology, Ansan Hospital)
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