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Bionic exoskeleton designed to help wheelchair users walk

Dan Kitwood / Getty Images

Engineer Thomas Dwyer, center, with the new Bionic Exoskeleton during its launch at the Excel centre on October 21, 2011 in London, England. The bionic device developed by Ekso Bionics is a wearable, battery-powered, robotic exoskeleton, designed to aid wheelchair users and those who have suffered from spinal chord injuries to stand and walk.

Dan Kitwood / Getty Images

Amanda Boxtel, left, who is paralyzed, is helped to walk with the aid of the new 'Bionic Exoskeleton' during its launch at the Excel centre on October 21, 2011 in London, England.

Amanda Boxtel demonstrated the 45-pound suit in San Francisco earlier this year.  Full story from SF Appeal.com