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The DEKA Arm is a bionic device that will allow amputees to perform tasks that require dexterity not possible with current prostheses. Electrodes, attached to the muscles close to the area where the prosthesis is attached, are prompted by those muscles to send signals to a computer. The computer then reads the signals and interprets them as a movement or movements, which the hand carries out. The new device can help amputees turn a key in a lock, operate zippers and pick up small, delicate objects.


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