Implantable nerve wrap for nerve stimulation configured for far field radiative powering

An implantable medical device comprising:

• an antenna configured to receive a far field radiative signal;
• a voltage rectifier configured to rectify the far field radiative signal received by the antenna to provide a rectified voltage signal;
• a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal;
• a stimulation module powered by the charge storage element, the stimulation module operative to generate an electrical stimulation signal to stimulate a target nerve of a patient;
• a nerve wrap configured to couple to the target nerve, the nerve wrap including proximity electrodes operative to deliver the electrical stimulation signal to the target nerve;
• a threshold detector coupled to the charge storage element, wherein the threshold detector is configured to determine when the charge stored at the charge storage element satisfies a charge threshold, and wherein the stimulation module is responsive to the threshold detector;
• and
• a flexible printed circuit board, wherein the voltage rectifier, the charge storage element, and the stimulation module are integrated on the flexible printed circuit board, wherein the flexible printed circuit board is embedded in the nerve wrap.

A system comprising:

• an external transmitter configured to transmit a far field radiative signal;
• and
• an implantable medical device including an antenna configured to receive the far field radiative signal, the implantable medical device comprising:
• a charge storage element operative to store a charge responsive to the received far field radiative signal;
• a pulse generator powered by the charge storage element, the pulse generator operative to generate an electrical stimulation signal to stimulate a target tissue of a patient;
• a nerve wrap configured to couple to the target tissue, the nerve wrap including proximity electrodes operative to deliver the electrical stimulation signal to the target tissue;
• a threshold detector coupled to the charge storage element, wherein the threshold detector is configured to determine when the charge stored at the charge storage element satisfies a charge threshold, and wherein the stimulation module is responsive to the threshold detector;
• and
• a flexible printed circuit board, wherein the charge storage element, and the pulse generator are integrated on the flexible printed circuit board, and wherein the flexible printed circuit board is embedded in the nerve wrap.