A mechanism for transferring energy from an external power source to an implantable medical device is disclosed. An antenna is positioned in proximity of the implantable medical device. The position of a core of the antenna is adjusted relative to the implantable medical device while the antenna is maintained...http://www.google.ca/patents/US8165678?utm_source=gb-gplus-sharePatent US8165678 - Inductively rechargeable external energy source, charger and system for a transcutaneous inductive charger for an implantable medical device
