Abstract: An oral device that includes an upper tray assembly and a lower tray assembly. The upper tray assembly includes an upper moldable component and an upper bracket, while the lower tray assembly includes a lower moldable component and a lower bracket. Additionally, the oral device has an end point positioned away from the lip side when the patient uses it. An advantage of this disclosure is that the upper bracket has at least one downward-facing lower protrusion near the end point, while the lower bracket includes at least one upward-facing upper protrusion near the end point. The disclosure meticulously defines various parameters and positions for the upper and lower protrusions, ensuring the oral device is better suited to meet the patient's needs.

Abstract: A respiratory mask configured to adapt and comfortably seal according to the facial features of different users. The respiratory mask includes a support chamber, a cushioning part, and a comfort layer. The support chamber has curved sidewalls and two circular openings of varying sizes. The cushioning part includes of an elastic body and a sponge body. The fixed side of the elastic body is connected to the support chamber. The sponge body has a curved side and a connecting side that connects to the elastic body. The first side of the comfort layer is configured to make partial contact with the user's face, while the second side of the comfort layer connects to the sponge body. Both the cushioning part and the comfort layer are configured to deform, collaboratively ensuring a tight seal around the user's face.