US Patent 11690753 Mandibular advancement device

A mandibular advancement device having a first frame and a second frame, the first frame having a first occlusal surface and a first generally U-shaped groove, the second frame having a second occlusal surface and second generally U-shaped groove, the mandibular advancement device having a first rib protruding from the first occlusal surface of the first frame, a first upstanding sidewall protruding from the first occlusal surface of the first frame, a first inner surface of the first upstanding sidewall, the first inner surface generally parallel to, offset from, and facing the first rib, a first set of teeth on the inner surface of the first upstanding wall, the first set of teeth facing the first rib and orthogonal to the first occlusal surface, a first channel of the second occlusal surface of the second frame, the first channel in relative position to interface with the first rib, an opening of the first channel, the opening of the first channel having a width that is narrower than a width of the first rib, a second upstanding sidewall protruding from the second occlusal surface of the second frame, a first outside wall of the second upstanding sidewall, the outside wall in relative position to interface with the first inner surface of the upstanding first sidewall, and a second set of teeth on the outside wall of the second upstanding sidewall, the second set of teeth orthogonal to the second occlusal surface.