Dental devices for the treatment of obstructive sleep apnea; Massage apparatus and instruments; Medical apparatus, namely, respiratory equipment and monitors therefor; Medical devices for treating sleep disorders; Medical instruments for measuring and displaying blood pressure, lung capacity; Nebulizer for administering medication in the form of a mist inhaled into the lungs, for treatment of asthma, respiratory diseases; Physical exercise apparatus for medical purposes; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises and for respiratory muscle training; Portable medical devices with sensors to monitor the physical movements of a patient wearing or carrying the device; Spirometers