Apparatus and instruments for use in anaesthesia, namely, anaesthetic delivery apparatus; apparatus and instruments for use in ventilation of the lungs, namely, medical ventilators, ventilators and anaesthesia machines for use in patient care; apparatus and instruments for use in tracheotomy procedures, namely, tracheal tubes; endotracheal tubes; tracheostomy tubes; devices for controlling and monitoring cuff pressure or tracheal seal on tracheal tubes; tracheal tube cuff pressure or tracheal...