Medical and surgical apparatus and instruments; respiratory apparatus and instruments; humidification apparatus; apparatus for the diagnosis and treatment of obstructive sleep apnea; ventilation and non-invasive ventilation apparatus and instruments; medical apparatus and instruments for continuous positive airway pressure (CPAP) therapy; humidifiers and meters for positive pressure therapy; sleep apnea monitors; facial masks, oral masks, nasal masks, nasal cannula, mouthpieces, nasal guards, facial guards, headgear, all being for medical purposes; parts, fittings and controls for all the aforementioned goods