Smart powered prosthetic arm - BNA iTech

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Monday, August 24, 2015

Smart powered prosthetic arm



A man with both arms missing due to an accident received two highly articulating powered prosthetic arms. He is able to control with his mind. Electrodes were connected from his stumps to the new arms that pass through a computer for interpretation. After a bit of practice, the man was able to do some pretty complex tasks. 

The group developed a chip that’s implanted into the brain’s region responsible for hand motion, which is able to read the electrical signals and transmit them, decoded, to a powered prosthetic arm. The man is now able to rotate his hand, make a fist, and pinch his fingers together, all intuitively as though it’s his native arm.
Though the system is still in development, it’s a sure sign that future amputees won’t be so dependent on others and will be able to regain their own abilities thanks to technology such as this.
A prosthetic hand with tactile sensors on the fingertips that lets its user actually feel what it’s touching. The first experimental user of the hand, who had electrodes placed within his remaining arm that passed on the tactile signals, was able to tell how hard he was gripping objects and what shape they were, even while blindfolded.

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