Disclosed is a flow control device for a bronchial passageway. The device can includes a valve member that regulates fluid flow through the flow control device, a frame coupled to the valve member, and a membrane attached to the frame. At least a portion of the flow control device forms a seal with the...http://www.google.es/patents/US20040055606?utm_source=gb-gplus-sharePatente US20040055606 - Bronchial flow control devices with membrane seal
Número de solicitud: 10/627,941 Número de publicación: US 2004/0055606 A1 Fecha de presentación: 25 Jul 2003 Patente emitida: US7798147 ( Fecha de emisión 21 Sep 2010)
