A new treatment could restore some mobility in people paralyzed by strokes

An implant that electrically stimulates the spine let two patients open a lock and more

In a photo, stroke patient Heather Rendulic, who has dark hair and is wearing a dark shirt and a hospital mask, holds a Campbell's soup can. Devices used to monitor her implant are visible on her arm.

Heather Rendulic, whose left arm was paralyzed after a series of strokes nine years ago, picks up and holds a soup can thanks to a small electrical device implanted near her spinal cord.

Tim Betler/UPMC, University of Pittsburgh Schools of the Health Sciences

Sitting in an exam room, surrounded by doctors and scientists, Heather Rendulic opened her left hand for the first time since suffering a series of strokes nine years earlier when she was in her early 20s.