Endogenic breathing trainer

摘要

An endogenic breathing trainer including an inner chamber including an upper end and a lower end. The lower end includes a plurality of holes formed therethrough for permitting air to enter and exit the inner chamber. A breathing pipe connected to the upper end of the inner chamber permits air to enter and exit the inner chamber. A middle chamber receives the inner chamber. The middle chamber includes an upper end and a lower end. The upper end includes a passage therethrough for receiving the breathing pipe and at least one inlet permitting air to pass into the middle chamber. The lower end of the inner chamber is separated from the lower end of the middle chamber by a gap filled with water. An outer chamber receives the inner chamber and the middle chamber. The outer chamber includes an upper end and a lower end. The upper end of the outer chamber includes a passage therethrough for receiving the breathing pipe. At least one inlet passage in the outer chamber permits air to enter and exit the outer chamber. At least one removable insert adjusts an inner volume of the outer chamber. The at least one removable insert includes at least one body engaging the outer chamber and decreases the volume of air that may enter the outer chamber through the at least one inlet passage.