. "The medicant may be used for controlling biological interaction of an intra-bronchial obstruction device with the patient, to treat a disease or condition of the lungs such as pneumonia or lung cancer, or to treat a systemic disease or...http://www.google.com/patents/US20030154988?utm_source=gb-gplus-sharePatent US20030154988 - Intra-bronchial device that provides a medicant intra-bronchially to t" . . . . .