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Channel 4 News, 4th July 2011
Icelander David Jonsson, who lost his leg when he was 19-years-old after battling with bone cancer, said the artificial knee has revolutionised his life and could end up being used by amputee soldiers.
The motorised prosthetic, which powers itself, allows users to walk naturally by following the motions of the body, automatically adjusting itself to the amputee's stride, speed and walking surface.04/07/2011