A paralysed man with a severed spinal cord has been able to walk again, thanks to an implant developed by a team of Swiss researchers.
It is the first time someone who has had a complete cut to their spinal cord has been able to walk freely.
The same technology has improved the health of another paralysed patient to the extent that he has been able to become a father.
The research has been published in the journal Nature Medicine.
Michel Roccati was paralysed after a motorbike accident five years ago. His spinal cord was completely severed - and he has no feeling at all in his legs.
But he can now walk - because of an electrical implant that has been surgically attached to his spine.
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