Pilot Study Assessing the Feasibility of Treating Foot Drop With the Neurostep™ System.

Inclusion Criteria: * Diagnosed with a unilateral gait disorder as a result of a specified CNS lesion (e.g., stroke)with stable neurological deficit for at least 6 months * Medically stable, able to and agree to undergo a surgery * Able to stand and walk at least 5 meters * Agree to attend frequent study scheduled visits * Able to provide verbal or written feedback * Have provided written informed consent * Have intact tibial and common peroneal nerves Exclusion Criteria: * Pregnant or nursing women * Medically insufficiently stable to undergo surgery * Poor range of motion of affected ankle or fixed ankle * Foreseen need for Magnetic Resonance Imaging (MRI) * Significant mental or psychiatric impairment * Cannot understand or provide signed informed consent * Cannot provide verbal or written feedback * Have been implanted with a pacemaker or other active medical device * Must continuously take anticoagulants * Uncontrolled heart or cardiovascular-related disease conditions * Have been diagnosed with muscle atrophy and/or peripheral polyneuropathy