bi·on·ic - adjective
1: of or relating to bionics
2: having normal biological capability or performance enhanced by or as if by electronic or electromechanical devices
Though it may be described by its creators, Argo Medical Technologies, as a "wearable, motorized exoskeleton suit," it's no exaggeration to describe ReWalk as bionic technology—at least not according to Merriam-Webster's definition.
These just keep getting better and better. It really can't be that big a leap of imagination from this to a fully articulated WINGED machine that duplicates the capabilities of a bird. Can it?