The Nitric Oxide Delivery Module (NDM) measures gas flow in the ventilator breathing circuit (flow sensor) and delivers nitric oxide gas mixture into the inspiratory limb of the ventilator breathing circuit (injector line and adapter). The NDM is placed close to the ventilator gas outlet (at least 6 inches/15 cm from the ventilator inspiratory outlet and before the humidifier) to allow for proper mixing of nitric oxide enriched gas from the NDM with the ventilator delivered gas flow. NDM Assembly, comprised of NO Injector Adapter and Tubing, Flow Sensor. Flow enters the flow sensor and exits through the injector adapter. The disposable, single use NDM flow sensor provides a bidirectional, high speed/high accuracy, real time measurement of gas flow in the ventilator breathing circuit, allowing for proper calculation of the required nitric oxide flow output needed to maintain the set NO concentration. NDM kit components, except for the NDM Cable, to be used on one patient only.
An assembly of devices dedicated to the short-term delivery of precise amounts of nitric oxide (NO), also known as nitrogen monoxide, to the respiratory tract of patients for the treatment of severe respiratory failure, particularly when a primary delivery system cannot be used (functions as a backup system). It typically includes a computerized main unit that delivers NO to gases that are to be breathed by the patient via a ventilator or other respiratory device/system and which also monitors this gaseous mixture, and tubing.
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