A pressurized air delivery device, system and method provide respiratory assistance to individuals, particularly infant humans. The device comprises nasal conduits or prongs which are in fluid communication with respective supply conduits separately supply each nasal conduit with a breathable gas such as air or oxygen. The size of the nasal conduits or prongs may be chosen according to the size of the individual's nares and the spacing between nasal conduits or prongs may be adjustable.
