Air filters for medical ventilators; Humidifiers for medical use; Medical apparatus for diagnosing or treating respiratory conditions; Medical device used for the acquisition of physiological data for polysomnography; Medical device, namely, a device for measuring body position during sleep; Medical devices for treating sleep disorders; Medical ventilator tubing and tubing connectors; Medical ventilators; Nebulizer for administering medication in the form of a mist inhaled into the lungs, for treatment of asthma, respiratory diseases; Oxygen concentrators for medical applications; Oxygen masks for medical purposes; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises and for respiratory muscle training; Respiration monitors; Respirators for artificial respiration; Respiratory masks for medical purposes; Textile headgear specially adapted for use with medical ventilator mask interfaces; Therapeutic nose clips, mouthpieces for the prevention of snoring; Ventilators and anesthesia machines for use in patient care