10 Masks for use by medical personnel; Medical apparatus and instruments for monitoring oxymetory, gas analysis, vital signs, blood properties and respiratory events; Medical apparatus for diagnosing or treating respiratory conditions; Medical apparatus, namely, bi-level positive airway pressure (BPAP) devices; Medical apparatus, namely, continuous positive airway pressure (CPAP) devices; Medical apparatus, namely, respiratory equipment and monitors therefor; Medical apparatus, namely, variable positive airway pressure devices (VPAP); Medical device used for the acquisition of physiological data for polysomnography; Medical devices for monitoring vital signs, blood properties and respiratory events; Medical devices for treating sleep disorders; Medical devices, namely, pulse oximeters; Meters for medical use, namely, for pulse oximetry; Nebulizer for administering medication in the form of a mist inhaled into the lungs, for treatment of respiratory diseases; Oxygen concentrators for medical applications; Respiratory masks for medical purposes