Can Polio Be Cured In Grown Up Person?

Hi, my brother(25 yrs old) is attacked by polio during his childhood. In his medical report it is said that he is affacted by40% from booth the leg.Is thereany possiblility to cure through surgery or some leg trasplantation. If so let me know the best hospital and place..And also the cost expense..It will be great helpful to us..Thanks