A system and method for treating diseased target tissue of a living being. The system comprises a working head, e.g., a rotary impacting impeller, a stent delivery catheter, a flush catheter, or liquid jets, a debris extraction sub-system, and may have barrier means in certain embodiments. The working...http://www.google.co.uk/patents/US20020198550?utm_source=gb-gplus-sharePatent US20020198550 - System and method of use for treating occluded vessels and diseased tissue
