The methods, devices, and systems are provided for performing endovascular repair of atrioventricular and other cardiac valves in the heart. Regurgitation of an atrioventricular valve, particularly a mitral valve, can be repaired by modifying a tissue structure selected from the valve leaflets, the valve...http://www.google.ca/patents/US7753923?utm_source=gb-gplus-sharePatent US7753923 - Leaflet suturing
