A device for closing a septal defect, such as a patent foramen ovale, includes a clip formed from a superelastic material that is inserted into a septum wall of a heart. The clip is advanced through a patient's vasculature, e.g., within a delivery apparatus, until the clip is disposed within a first...http://www.google.co.uk/patents/US20040249398?utm_source=gb-gplus-sharePatent US20040249398 - Clip apparatus for closing septal defects and methods of use
