Check out this cool project. The name of the device here was called eLEGS. I was and am currently the primary test pilot for this product. They also have other test pilots that use the machine now. Time magazine article here:
http://www.time.com/time/specials/packages/article/0,28804,2029497_2030618_2029794,00.html
They are going Global now and have a new web site and company name swap to Ekso Bionics. Check them out, this machine will affect more lives than they know.
http://eksobionics.com/about-us