Lung volume reduction is performed in a minimally invasive manner by isolating a lung tissue segment, optionally reducing gas flow obstructions within the segment, and aspirating the segment to cause the segment to at least partially collapse. Further optionally, external pressure may be applied on the...http://www.google.com.au/patents/US8177769?utm_source=gb-gplus-sharePatent US8177769 - Methods, systems, and kits for lung volume reduction
