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NIOX VERO® measures Nitric Oxide (NO) in human breath. Nitric Oxide is frequently increased in some airway inflammatory processes such as asthma. The fractional NO concentration in expired breath (FeNO), can be measured by NIOX VERO according to guidelines for NO measurement established by the American Thoracic Society. Measurement of FeNO by NIOX VERO is a quantitative, non-invasive, simple and safe method to measure the decrease in FeNO concentration in asthma patients that often occurs after treatment with anti-inflammatory pharmacological therapy, as an indication of the therapeutic effect in patients with elevated FeNO levels. NIOX VERO is suitable for children, 7- 17 years, and adults 18 years and older. NIOX VERO 10 second test mode is for age 7 and up NIOX VERO 6 second test mode is for ages 7-10 only who cannot successfully complete a 10 second test. FeNO measurements provide the physician with means of evaluating an asthma patient's response to anti-inflammatory therapy, as an adjunct to the established clinical and laboratory assessments in asthma. The NIOX VERO is intended for prescription use and should only be used as directed in the NIOX VERO User Manual by trained healthcare professionals. NIOX VERO cannot be used with infants or by children under the age of 7 as measurement requires patient cooperation. NIOX VERO should not be used in critical care, emergency care or in anesthesiology.

NIOX VERO is a portable system for the non-invasive, quantitative measurement of the fraction of exhaled nitric oxide (NO) in expired human breath (FeNO). NO levels increase during allergic airway inflammation. Measurement of changes in FeNO concentration is used in evaluating a patient's response to antiinflammatory therapy, as an adjunct to established clinical and laboratory assessments. The NIOX VERO system is comprised of the NIOX VERO unit with AC adapter, a rechargeable battery, an electrochemical NO sensor, disposable patient filters, and an exchangeable handle containing an internal NO scrubber filter. The NIOX Panel is an optional PC application for operation of the NIOX VERO from a PC and access to electronic medical record systems. The device can connect to the PC via a standard USB cable or wirelessly via Bluetooth. The patient empties their lungs, inhales deeply through the patient filter to total lung capacity and then slowly exhales for 10 seconds. A 6 second mode is available for children aged 7 – 10 who cannot perform a 10 second exhalation. In approximately one minute, the NO concentration is displayed in parts per billion (ppb). The NIOX VERO unit includes a sampling and gas conditioning system and a man-machine interface (MMI). The instrument controls the inhaled sample appropriately via the electronics and software program. Filtering of inhaled air elimination from ambient NO levels. A built-in flow control keeps exhalation standardized at 50 ml/s so that it is standardized for all patients. The sample enters an electromechanical sensor and interacts with an electrolyte. A chemical reaction takes place where electrons are generated proportional to the number of NO molecules. Results are processed using dedicated software. In order to verify the device's performance and reliability of measurements, there are built-in system control procedures and a Quality Control procedure to be performed on a daily basis.