A device for closing a defect, such as a patent foramen ovale (PFO) or an atrial septal defect (ASD), has first and second sides on either side of the defect, a center joint that passes through the defect, and end pieces at the outer ends of the sides. One or both sides of the device have a plurality...http://www.google.fr/patents/US7704268?utm_source=gb-gplus-shareBrevet US7704268 - Closure device with hinges
