Disclosed is a medically implantable integrated biocompatible power module incorporating a power source (e.g., battery), a power management circuit (PMC), a magnetically inductive coupling system (MICS) for remote communication and/or inductive charging and a homing device for locating the implanted...http://www.google.co.uk/patents/US7486048?utm_source=gb-gplus-sharePatent US7486048 - Implantable power module for powering a medical device
