Patient at Walter Reed test next-generation prosthesis

Army Reserve Staff Sgt. Alfredo De Los Santos displays what the X2 microprocessor knee prosthetic can do by walking up a flight of stairs at the Military Advanced Training Center at Walter Reed Army Medical Center in Washington, D.C., Dec. 8, 2009.


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Patients at Walter Reed testing next-generation prosthesis

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Taken on December 8, 2009