The invention provides an implant, system and method for electrically stimulating a target tissue to either activate or block neural impulses. The implant provides a conductive pathway for a portion of electrical current flowing between surface electrodes positioned on the skin and transmits that current...http://www.google.de/patents/US7502652?utm_source=gb-gplus-sharePatent US7502652 - Method of routing electrical current to bodily tissues via implanted passive conductors
