Medical apparatus and devices; medical apparatus, namely, respiratory equipment and monitors therefor; respiratory, breathing and ventilating systems, apparatus, instruments and devices; artificial respiration apparatus; medical apparatus and instruments for CPAP (continuous positive airway pressure); medical apparatus and instruments for BPAP (bi-level positive airway pressure); anesthesia respiration apparatus; breathing systems; anesthesia breathing systems; ventilation breathing systems; invasive breathing systems; non-invasive breathing systems; respiratory breathing systems; breathing systems for medical use; breathing tubes for medical use; tubing and hosing for surgical and medical use; patient ventilation instruments; face masks for medical and surgical use; respiratory masks for medical purposes; respiratory masks for artificial respiration; nasal cannulae; nasal masks for medical purposes; laryngeal masks; airway devices; supraglottic airway devices; mouth guards for medical purposes; inserts for breathing masks for medical and surgical use; humidifiers for use with respiratory therapy apparatus; dehumidifiers for use in respiratory therapy and ventilation; tubes for medical and surgical purposes; breathing filters; medical devices for placing and securing medical tubes; catheter mounts; headgear for medical purposes; parts and fittings for all the aforementioned goods