Neural interfaces are medical devices that are designed to be surgically implanted into nerves after an amputation, to allow signals to be extracted from the nervous system in order to control artificial limbs. Several types of interface implant have been developed but none has reached clinical use yet, because although they may work well initially, they gradually cease to function because of the development of scarring around them, which until now could not be prevented.
Read more (Nuffield Department of Surgical Sciences website)