you wrote about. She is so young to have this happen to her. PLEASE!!!” Potts saw an article in The Patriot Ledger about a new robotic arm brace that was clinically tested on five people at Braintree Rehabilitation Hospital and was approved in July by the federal Food and Drug Administration. In the short-term trials, the Myomo arm brace showed promise for improving arm strength years after a stroke. Potts’ daughter, Rene Hall, was a middle-school teacher with one child, now 11, when she …