For a number of basic physics reasons, the world of the 1960s movie Fantastic Voyage will always remain out of reach. We wont ever shrink humans and submarines down to microscopic sizes to perform medical interventions inside the human body. But hasnt stopped researchers from attempting to develop devices that could do much the same thing. Some have opted for pills that propel themselves with mechanical parts, like jarringly sharp insect-inspired legs or moving clamps that perform an inchworm crawl. Others have opted for more passive schemes that use magnetic fields to guide ferromagnetic objectsthrough the bloodstream.
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Lees verder: http://spectrum.ieee.org/tech-talk/biomedi...s-made-the-move
Bron: IEEE Spectrum
