Energy management circuit from internal biomechanical energy harvester to power a pacemaker

Several people all around the world have medical implants to either replace or support the normal function of a certain organ of the body. To function properly, these devices require electric power. For the purpose of powering active medical implants, a number of charging techniques have been proposed, such as the management of energy from mechanical energy harvesters. Nevertheless, these methods can turn out to be critical given the low powers involved and the difficulty of having good yields between the output of the recuperator and the system to be powered. In this paper, we have proposed a system for managing the energy from an internal biomechanical energy harvesters to power a pacemaker. Biomechanical energy harvesters that generate electric power from the cardiac motions are potential candidates to be used in self-powered cardiac pacemakers. The proposed system works and gives an output signal voltage equal to 8V/DC which is appropriate to power a pacemaker. The obtained results in the air medium are very promising.