Power source longevity monitor for an implantable medical device. An energy counter counts the amount of energy used by the implantable medical device. An energy converter converts the energy used into an estimate of remaining power source longevity and generating an energy longevity estimate. A voltage...http://www.google.com.tw/patents/US7542801?utm_source=gb-gplus-share專利 US7542801 - System and method for monitoring power source longevity of an implantable medical device
