Described here are devices for altering the flow of air in a respiratory cavity such as the mouth and nostrils of the nose. These methods and devices may be useful for affecting a physiologic benefit in patients suffering from a variety of medical diseases, particularly those that may benefit from “pursed-lip”...http://www.google.es/patents/US20100147308?utm_source=gb-gplus-sharePatente US20100147308 - RESPIRATORY DEVICES
Número de solicitud: 12/711,782 Número de publicación: US 2010/0147308 A1 Fecha de presentación: 24 Feb 2010 Patente emitida: US7992564 ( Fecha de emisión 9 Ago 2011)
