An electronic stimulation system is used to control pain over multiple regions of a patient's body. The system has one or more percutaneous leads, each having multiple electrodes, implanted within the patient's epidural space parallel to the axis of the spinal cord. The leads are connected to either...http://www.google.es/patents/US6609031?utm_source=gb-gplus-sharePatente US6609031 - Multiprogrammable tissue stimulator and method
