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. 2024 Nov 28;12(11):E1374–E1378. doi: 10.1055/a-2422-2425

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 4 — Schema illustrating the relationship between input and output degrees of the experimental procedure. The endoscopic rotatable sphincterotome was inserted into a side-viewing duodenoscope. The proximal end of the sphincterotome was fastened to a servomotor, which rotated the sphincterotome at a constant speed (input). The duodenoscope was held in a bent position to mimic the alimentary tract. The degree of rotation at the distal end over time was recorded (output).