Medical devices for the treating, screening, monitoring and diagnosing respiratory disorders and sleep apnea and snoring; medical humidifiers and their structural parts, namely, water tubs, air tubes; medical respiratory masks, namely, nasal masks, full face masks, oro-nasal masks and nasal pillows; cushions for medical respiratory masks; headgear for medical respiratory masks; sphygmomanometers; sphygmotensiometers; respirators for artificial respiration; ventilators; medical continuous posi...