Patent 6918922 was granted and assigned to LG on July, 2005 by the United States Patent and Trademark Office.
Apparatus for treatment of an ischemic region of brain cells in a cranium, comprising a skull covering adapted to cover at least part of the cranium, at least one guide attached to the skull covering, and a laser source which is operative to direct a laser beam through the at least one guide into the cranium. The at least one guide may include an optic filiter or a waveguide.