A long-term Parkinson's disease patient, Marc Gauthier had essentially been confined to his home until he became the first person to receive a new Swiss-designed implant that dramatically improved his ability to walk. Gauthier, 63, received a neuroprosthetic at Lausanne University Hospital (CHUV), comprising an electrode field placed against his spinal cord. Combined with an electrical impulse generator under the skin of his abdomen, the device stimulates his spinal cord to activate his leg muscles.