An energy delivery device for treating tissue regions in a body conduit, such as a lung airway, may utilize one or more markers, rings, bands, or other visual indicators along an outer surface of the device body. The one or more visual indicators facilitate guidance of the device to effectively and efficiently...http://www.google.fr/patents/US7931647?utm_source=gb-gplus-shareBrevet US7931647 - Method of delivering energy to a lung airway using markers
Method of delivering energy to a lung airway using markers
