The sexual function thing was huge for me because it was basically nothing before and, I mean, now, like, its a lot better, said Stephenson.
Three other patients reported similar improvements, although none of them can walk.
Pettigrew stresses that the device is not a cure and that more research is needed before it can be widely available. He said a spinal cord injury, though, may no longer mean a lifelong sentence of paralysis.
What we see today with these four individuals now being able to have voluntary motion and voluntary control of their limbs and involuntary control of functions like bladder and bowel is very exciting, said Pettigrew.
Researchers now plan to implant the device in eight more patients and try to stimulate more than one muscle group at the time.
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