A swivel elbow includes a conduit pathway separated from a vent airflow pathway for conducting respective gas flow streams in use. The swivel elbow further includes baffle structure that separates the respective gas flow streams so that they do not interfere with each other within an interior (e.g.,...http://www.google.es/patents/US20080047561?utm_source=gb-gplus-sharePatente US20080047561 - Swivel Elbow for a Patient Interface
Número de solicitud: 11/630,261 Número de publicación: US 2008/0047561 A1 Fecha de presentación: 25 Jul 2005 Patente emitida: US7934501 ( Fecha de emisión 3 May 2011)
