An elbow assembly for use in a respiratory mask, which includes an elbow, an inlet port, an exhaust port, and a baffle separating the inlet port from the exhaust port. A mask assembly includes a cushion comprising at least one gusset and an aperture for connection to the elbow assembly. ...http://www.google.es/patents/US20040112385?utm_source=gb-gplus-sharePatente US20040112385 - Elbow for mask assembly
Número de solicitud: 10/655,621 Número de publicación: US 2004/0112385 A1 Fecha de presentación: 5 Sep 2003 Patente emitida: US7011090 ( Fecha de emisión 14 Mar 2006)
