ES1033586U - Device for aerosol administration measurement. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Device for administration of medication in aerosol, designed in order to facilitate and optimize the use of drugs by inhalation, and type of including a chamber whose interior offers variable air volume valves and one way to the drug not back in the expiration, wherein it consists of two chambers (1, 2) connected to one another, the first of which (1) is simple and variable volume, open outside, while the second (2) call double bubble, is formed by two concentric bubbles leaving a narrow space (4) between its walls and a variable volume for the inner chamber (2); existing two valves unidirectional (7, 11), a (7) between the chambers (1, 2) and another (11) between the chamber of double bubble (2) and the mask or the user's mouth, by going to be used ; all in order to dose of drugs used sent to the first chamber (1) by pulsations indicated by the dose prescribed and inspiration is opened valve (7) intermediate between the chambers (1, 2) space ( 4) located between the walls of double bubble, releasing gas at high speed toward the second valve (11) open in inspiration, spending drug airways user closing valves simultaneously inner chamber (2) of the double bubble, while exhaling closes the passage to space (4) between the walls of double bubble, as well as the first chamber (1), opening the volume of internal camera (2) of the latter. (Machine-translation by Google Translate, not legally binding)