| 摘要 |
Systems and methods for breathing assistance are discussed. In various embodiments a breathing assistance device comprises right and left flanges and a protuberance. The right and left flanges may comprise an inner surface and an outer surface. Further, the flanges may be configured to be placed in a user's mouth, wherein at least a portion of the flanges are in front of teeth of the user. The protuberance may extend from the outside surface of the flanges. Further, the protuberance may define an air passage that passes through the flanges. |
