Various aspects relate to an implantable device. Various device embodiments comprise at least one pulse generator and a controller to communicate with the pulse generator(s). The pulse generator(s) is (are) adapted to deliver a first electrical signal through at least one electrode positioned proximate...http://www.google.co.uk/patents/US20070142871?utm_source=gb-gplus-sharePatent US20070142871 - Implantable device for treating epilepsy and cardiac rhythm disorders