An intra-bronchial device may be placed in an air passageway of a patient to collapse a lung portion associated with the air passageway. The device includes an obstructing member that prevents air from being inhaled into the lung portion to collapse the lung portion, and an anchoring device that anchors...http://www.google.com/patents/US20060235467?utm_source=gb-gplus-sharePatent US20060235467 - Removable anchored lung volume reduction device and methods
