An RF treatment device according to the present invention includes one or two radio frequency electrode holders each having multiple electrodes arranged to create a transmural lesion through tissue. The treatment device is placed with one holder placed on the endocardial surface of the heart wall with...http://www.google.ca/patents/US20020120263?utm_source=gb-gplus-sharePatent US20020120263 - Atrial fibrillation RF treatment device and method
