. . . "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/US20060206147?utm_source=gb-gplus-sharePatent US20060206147 - Intra-bronchial obstruction device that provides a medicant intra-bron" . . .