Breathing apparatus for medical purposes; Oxygen inhalators for medical use, sold empty; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises and for respiratory muscle training; Respirators for artificial respiration; Respiratory masks for artificial respiration; Suction cups for medical purposes; Fitted covers for medical equipment, namely, anti-choking devices and kits featuring a suction device; Medical apparatus for diagnosing or treating respiratory conditions, namely, respiratory aspirators and anti-choking devices and kits featuring a suction device and masks; anti-choking medical devices.