Techniques using one or more drugs and/or electrical stimulation for treating schizophrenia by means of an implantable signal generator and electrode and an implantable pump and catheter. A catheter is surgically implanted in the brain to infuse the drugs, and one or more electrodes are surgically implanted...http://www.google.de/patents/US5975085?utm_source=gb-gplus-sharePatent US5975085 - Method of treating schizophrenia by brain stimulation and drug infusion
