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. 2020 Jul 21;13(3):225–233. doi: 10.21053/ceo.2020.00360

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Copyright © 2020 by Korean Society of Otorhinolaryngology-Head and Neck Surgery

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — Hypoglossal nerve stimulation system. (A) Stimulation cuff lead placement. To identify the medial branch (br) of the hypoglossal nerve, the anterior belly of the digastric muscle and mylohyoid muscle (m) are identified and retracted inferiorly and anteriorly, respectively. (B) The implantable pulse generator delivers electric pulses through a stimulation lead to the hypoglossal nerve synchronous with respiratory cycles detected by a sensing lead. (C) Sensing lead placement. The distal end of the sensing lead is placed between internal and external intercostal muscles parallel to the adjacent ribs.