Researchers have developed what they call a 'wireless digital bridge' between the brain and spinal cord that has helped a paralyzed man walk, stand and even climb stairs.
https://www.ctvnews.ca/sci-tech/man...-help-of-brain-spinal-cord-implants-1.6411687
https://www.ctvnews.ca/sci-tech/man...-help-of-brain-spinal-cord-implants-1.6411687