Fig. 2

The ActiGait® system. The implanted part of the ActiGait® consists of a stimulator body (a) and an electrode cuff (b), the latter placed around the common peroneal nerve. The implant is controlled by a control unit (c), which activates the implant through an antenna placed on the thigh (d). The timing of activation is determined by a heel switch (e), which communicates wirelessly with the control unit