Can Stem Cell Therapy Be Used To Treat Brain Injury?

IS IT POSSIBLE TO TREAT A PATENT WHO WAS OPERATED BY A NEUROSURGEON FOR REMOVAL OF CLOTTED BLOOD DUE TO BRAIN INJURY BY AN ACCIDENT IN DECEMBER 2004, USING NEWLY DEVELOPED STEM CELL THERAPY? IF YES, WHERE AND HOW TO APPROACH ? NOTE : AT PRESENT THE PATENT IS UNABLE TO STAND OR WALK WITHOUT ANY SUPPORT MOREOVER HE CANNOT DO HIS ROUTINE WORKS WITHOUT HELP.