One aspect of the present subject matter relates to an implantable medical device. An embodiment of the device comprises a rechargeable power supply adapted to be recharged through an ultrasound signal, a neural stimulator connected to the rechargeable power supply, and a controller connected to the...http://www.google.de/patents/US8126561?utm_source=gb-gplus-sharePatent US8126561 - Implantable and rechargeable neural stimulator
