#$%^&*AU2017203813A120170622.pdf#####ABSTRACT Described here are devices for intranasally delivering therapeutic gases to a patient. The devices may include a measurement chamber, a combination of pressure regulators and a sequencing mechanism that controls valves associated with the pressure regulators. When implemented in a hand-held dispenser, the hand-held dispenser may reliably deliver consistent doses of gas regardless of the unknown state and pressure of the therapeutic gas in the measurement chamber. 14WO 2011/153261 117 PCTIIJS2OII/038791 0)0 CT & Iu C00 (Ca oig.-