DEVICE RESTRICTING AND FILTERING NASAL VENTILATORY FLOW

摘要

Device restricting and filtering nasal ventilatory flow for filtering and restricting inspiratory flow. It comprises a strip of hypoallergenic cloth which may have differing porosity obstructing the ventilatory flow to a greater or lesser extent, a strip of hypoallergenic fabric to prevent the passage of mites, pollen and contaminant substances wherein may be incorporated substances of a pharmacological or deodorising nature, an adhesive strip for the retention thereof in the nose, and a plastic strip to protect the system until the utilisation thereof by the subject. The device may be utilised for restricting and filtering the air inhaled by individuals in daily life or during physical training. The employment thereof during physical training improves the physical capacity, strength and stamina of the muscles responsible for the inhalation part of the respiratory process.