Leads having directional electrodes thereon. Also provided are leads having directional electrodes as well as anchoring prongs to secure the electrodes to the leads. Also provided are leads with directional electrodes where all the electrodes have the same surface area. Methods of treating conditions...http://www.google.com.au/patents/US8019440?utm_source=gb-gplus-sharePatent US8019440 - Directional lead assembly
