The present invention provides systems, devices and related methods for applying electric fields for cancerous cell destruction and tissue ablation. A method can include advancing an ablation probe into a patient; deploying a guide from the delivery member along a guide tissue penetration path, deploying...http://www.google.co.uk/patents/US20080071264?utm_source=gb-gplus-sharePatent US20080071264 - ABLATION PROBE WITH DEPLOYABLE ELECTRODES