The human body today has many replaceable ... the American Civil War as an early watershed for amputation techniques and ...

With the new technology, surgery to reconnect vital pairs of muscles on the leg stump is needed first - either during the amputation or ... greater control from the human nervous system.

"I know that the biggest risk of having this surgery is that my pain syndrome could come back in my stump or another limb," he said. "It's strange. I currently feel excited ahead of my amputation.