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. 2017 Sep 21;11:523. doi: 10.3389/fnins.2017.00523

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Copyright © 2017 Vanderveken, Beyers, Op de Beeck, Dieltjens, Willemen, Verbraecken, De Backer and Van de Heyning.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The Inspire II Upper Airway Stimulation (UAS) device. Three different parts are implanted in order to give electrical stimulation pulses to the hypoglossal nerve. The sensing lead detects in- and expiration of the patient during sleep. After conversion of the respiratory signal by the neurostimulator, stimulating pulses are delivered to the hypoglossal nerve through the stimulation lead. This means that a unilateral respiration-synchronized stimulation of the hypoglossal nerve generates a protrusion of the tongue. From Strollo et al. (2014), Copyright © Massachusetts Medical Society. Reprinted with permission.