The invention relates to a nebulizer of simple three-piece construction, adapted by its design to be injection molded for delivering to a patient, entrained in a stream of oxygen or other gas flowing at a modest rate (such as 6 to 8 liters a minute) a quantity of liquid supplied from a unit-dose hermetically...http://www.google.es/patents/US4150071?utm_source=gb-gplus-sharePatente US4150071 - Nebulizer
