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The ViaNOx Delivery System is a nitric oxide administration device intended to add nitric oxide to gases that are to be breathed by a patient, and to be used in conjunction with a ventilator or other breathing system. The ViaNOx includes a nitric oxide, nitrogen dioxide, and oxygen monitor intended to monitor the concentration of these gases in respiratory gas mixtures during administration of nitric oxide.

The ViaNOx Delivery System controls the delivery of pharmaceutical grade NO/N2 into the breathing gas stream passing down the inspiratory limb of a patient circuit. The injected flow of NO/Nz is controlled to maintain a steady concentration of NO/Nz within the inspiratory limb at all times, both during and between breaths. Constant concentration operation is accomplished by continuously measuring the flow in the inspiratory limb and adjusting the injected NO/N2 flow rate accordingly. The measure and adjust process is very rapid, and thus provides essentially immediate tracking of changes in the inspiratory flow rate and pattern. The device consists of a cart, a gas plumbing connecting the gas supply to the device, a manual NO delivery system for use with a user supplied manual resuscitator and oxygen supply. a control panel, an NO Delivery Module and the main unit which houses the electronics and most of the software and to which all other components connect.

The ViaNOx Delivery System is a nitric oxide administration device intended to add nitric oxide to gases that are to be breathed by a patient, and to be used in conjunction with a ventilator or other breathing system. The ViaNOx includes a nitric oxide, nitrogen dioxide, and oxygen monitor intended to monitor the concentration of these gases in respiratory gas mixtures during administration of nitric oxide.

The ViaNOx Delivery System controls the delivery of pharmaceutical grade NO/N2 into the breathing gas stream passing down the inspiratory limb of a patient circuit. The injected flow of NO/N₂ is controlled to maintain a steady concentration of NO/N₂ within the inspiratory limb at all times, both during and between breaths. Constant concentration operation is accomplished by continuously measuring the flow in the inspiratory limb and adjusting the injected NO/Nz flow rate accordingly. The measure and adjust process is very rapid, and thus provides essentially immediate tracking of changes in the inspiratory flow rate and pattern. The device consists of a cart, a gas manifold connecting the gas supply to the device, a manual NO delivery system for use with a user supplied manual resuscitator and oxygen supply, a control panel, an NO Delivery Module and the main unit which houses the electronics and most of the software and to which all other components connect.