System and method of administering a pharmaceutical gas to a patient

A system for administering a therapy gas wherein the therapy gas is at least one gas selected from CO and NO gas to a patient during the patient's inspiratory cycle, the system comprising:

• an inlet means for connecting to a source of therapy gas,
• an outlet means for connecting to a device for introducing a gas into the lungs of a the patient,
• means for determining the desired quantity of therapy gas to be delivered to the patient over a plurality of breaths, and
• a gas control system for delivering the desired quantity of the therapy gas to the patient's alveoli during the first half of the inspiratory cycle over the plurality of breaths independent of the patient's respiratory pattern.

A system for administering a therapy gas wherein the therapy gas is at least one gas selected from CO and NO gas to a patient during an inspiratory cycle of the patient, the system comprising:

• an inlet means for connecting to a source of therapy gas,
• an outlet means for connecting to a device for introducing gas into the lungs of the patient,
• means for determining the desired quantity of therapy gas to be delivered to the patient over a plurality of breaths,
• a gas control system for delivering the therapy gas into the patient during the first half of the inspiratory cycle over a plurality of breaths, and
• an alarm device, said gas control system activating said alarm when said desired quantity of the therapy gas has been delivered to the patient.