The ARC im neurostimulator by Onward, an implantable platform for direct, programmed stimulation of the spinal cord is seen before its presentation to Marc Gauthier, 63, the first patient with a neuroprosthetic, programmed to stimulate his spinal cord to correct walking disorders caused by Parkinson’s disease at the .NeuroRestore laboratory in Lausanne, Switzerland, November 2, 2023. REUTERS/Denis Balibouse