Unfortunately, a vast number of patients still use inhalers incorrectly. This hinders the effects of the medication & increases the risk of side effects. The In-Check range provides an excellent means of improving inhaler techniqueIn-Check Dial helps a health professional discover the optimum technique for commonly used inhalers, and allows them to assess and teach patients how best to operate their individual device.The In-Check Nasal is another of our portable hand-held inspiratory flow meters, and this is a device that provides an assessment of a patient’s nasal passage obstruction.The In-Check Oral is a further portable hand-held inspiratory flow meter that provides an assessment of the rate of inhalation.