The present invention is directed at a removable stent for providing reinforcement to a selected region of a selected body lumen including a resilient cylindrical layer, including at least one bioresorbable extrusion exterior from the resilient cylindrical layer for resisting migration of the removable...http://www.google.fr/patents/US20080249598?utm_source=gb-gplus-shareBrevet US20080249598 - COVERED STENTS WITH DEGRADABLE BARBS
