Clinical Endoscopy

Original Article

Technical Feasibility of a Guidetube for Various Endoscopic Procedures in Human Gastrointestinal Simulators: Dong Seok Lee, Byeong Gwan Kim, Kook Lae Lee, Yong Jin Jung, Ji Won Kim; Clin Endosc 2019;52(3):247-251. Published online November 9, 2018; DOI: https://doi.org/10.5946/ce.2018.147

Background
/Aims: Many gastrointestinal (GI) endoscopic procedures are difficult and cumbersome owing to the limitation of currently available endoscopic devices. This study aimed to develop an endoscopic guidetube for multipurpose endoscopic procedures and assess its use in a realistic GI endoscopic simulator.
Methods
The guidetube used is a soft overtube composed of neoprene and is designed to assist various endoscopic procedures on demand. In total, 15 types of procedures were performed in GI simulators. Four procedures were performed in the stomach model and 11 in the colon model. The procedures include repeated endoscopic insertion and foreign body removal in various positions. The mean insertion and procedure time were assessed in each session. All procedures were performed by 5 expert endoscopists.
Results
Endoscopic procedures with the new guidetube were faster and more effective than the conventional endoscopic techniques. The mean insertion time of the endoscope with the guidetube was significantly shorter than that without the guidetube. The guidetube was safely inserted without scratch using low pushing force. Objects of various sizes larger than the endoscopic channel were easily removed by the guidetube-assisted endoscopic procedures.
Conclusions
This preliminary study shows that guidetube-assisted endoscopic procedures are faster, easier, safer and cheaper than conventional endoscopic procedures.

Citations

Citations to this article as recorded by

Efficacy of an assistive guide tube for improved endoscopic access to gastrointestinal lesions: an in vivo study in a porcine model
Dong Seok Lee, Jeong-Sik Byeon, Sang Gyun Kim, Ji Won Kim, Kook Lae Lee, Ji Bong Jeong, Yong Jin Jung, Hyoun Woo Kang
Clinical Endoscopy.2024; 57(1): 82. CrossRef
Technical feasibility of a newly designed bendable forceps for difficult endoscopic tissue samplings (with video)
Dong Seok Lee, Ji Won Kim, Kook Lae Lee, Byeong Gwan Kim, Su Hwan Kim, Jeong-Sik Byeon
Surgical Endoscopy.2020; 34(10): 4692. CrossRef
Usefulness of an Overtube Device in Gastrointestinal Endoscopy
Seung Han Kim
Clinical Endoscopy.2019; 52(3): 203. CrossRef

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