US Patent 7775444 Implantable device and communication integrated circuit implementable therein

A wireless implantable device for communicating with a remote unit, wherein the wireless device is capable of self-initializing, namely initial booting without requiring an external general booting program to force the booting process. The implantable device can download program instructions from the remote unit for the operation of the implantable device. Moreover, the implantable device provides for checking the validity and integrity of any program instructions received from the remote unit for the operation of the implantable device. The implantable device has power-saving capability in order to extend the operation of the implantable device between battery charges.