Abstract: Disclosed are various implantable medical devices adapted and configured to operation with a micro-generator comprising: an elongated housing; one or more longitudinally slidable elongated magnets; one or more coils positioned exteriorly, interiorly or integrally along at least a portion of the housing; a power wire in electrical communication with the one or more coils and with an implantable medical device; wherein the implantable micro-generator is adapted and configured to generate energy and communicate the generated energy to the implantable medical device. Additionally, methods of deploying and using the medical devices are contemplated, as well as systems, kits, and communication networks.