“The present invention provides devices, systems, and methods for resisting posterior movement of the tongue during sleep, thereby keeping an airway open.”
The drawing shows :
“… magnetic interaction of a ferromagnetic structure implanted in regions of a tongue with a magnetic structure carried outside an airway (e.g., on a chin and/or jaw).”
See: US 8,511,315 B2 ‘Devices, systems and methods using magnetic force systems in the upper airway.‘