Patent ID: 8701657

Claim:
A system for delivering nitric oxide to a patient, comprising: a first gas source including nitrogen dioxide premixed in air or oxygen; a second gas source supplying compressed air; a ventilator coupled to the first and second gas sources; a mixing valve which is connected to both the first gas source and the second gas source downstream of both the first gas source and the second gas source, wherein the mixing valve is resistant to NO 2 gases; one or more conversion devices operably coupled to the ventilator, wherein the one or more conversion devices include an inlet, a chamber containing a matrix, wherein the matrix is positioned within the chamber and a space between the chamber and the matrix, and a diverter positioned between the inlet and the chamber, wherein the diverter is configured to direct a gas flow to the space between the chamber and the matrix, and wherein the one or more conversion devices convert nitrogen dioxide into nitric oxide; and a patient interface operably coupled to the one or more conversion devices, wherein the patient interface delivers nitric oxide to the patient.