Breast pumps; Electric sputum aspirators; Electrocardiographic (ECG) recorders; Fetal heartbeat monitors; Health monitoring devices consisting of blood pressure monitors, thermometers and pedometers; Humidification apparatus for medical purposes; Lactation massage bars; Nasal aspirators; Nasal irrigation vessel; Nebulizers for medical purposes; Oxygen concentrators for medical purposes; Oxygen inhalers for medical use, sold empty