A robotic arm able to extract a piece of shrapnel without human assistance

Engineers at the University of Duke, have developed a prototype robot that can locate pieces of metal small size (one millimeter) in the flesh, and then guide a needle to their exact location, without the Using a human assistance. With this prototype the researchers are now convinced that it will be possible also to treat injuries on the battlefield, performing surgery high complexity, such as placing or removing radioactive seeds  used in the treatment of prostate or other cancers.
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