| 摘要 |
<p>A collateral ventilation bypass trap system directly linked with a patient's lung or lungs may be utilized to increase the expiratory flow from the diseased lung or lungs, thereby treating one aspect of chronic obstructive pulmonary disease. The system includes a trap, a filter/one-way valve and an air carrying conduit. The system also includes a retention device for securing system elements in position. The retention device may comprise a balloon or a retention plate associated with the air carrying conduit.</p> |
