Methods and apparatus for treatment of patent foramen ovale (PFO) provide for applying energy to tissues adjacent the PFO with a catheter device to substantially close the PFO acutely. Apparatus generally includes a catheter device having at least one energy transmission member at or near its distal...http://www.google.co.uk/patents/US20060241584?utm_source=gb-gplus-sharePatent US20060241584 - Energy based devices and methods for treatment of patent foramen ovale
