A body function assistance device, capable of analyzing changing but cyclic physiologic needs of a patient and generating a response based on the analysis. A microprocessor in the body function assistance device controls the response of the device to various external events and internal timer events....http://www.google.es/patents/US5143065?utm_source=gb-gplus-sharePatente US5143065 - Implantable device with circadian rhythm adjustment
Implantable device with circadian rhythm adjustment
