Bionic Hand Restores Sense of Touch

#Future

Fri, Feb 7th, 2014 20:00 by capnasty NEWS

Geekquinox's Scott Sutherland reports that, thanks to a "new system that transfers signals directly to the person's brain," an amputee was able to "feel the real-time sense of touch."

Dennis Aabo Sørensen, who lost his left hand in an accident nine years ago, had gotten used to his standard prosthetic hand, which could only open and close in response to muscle movements in his stump. To use this new prosthetic hand, called Lifehand 2, he travelled from his home in Denmark to the Gemelli Hospital in Rome, where he had special transneural electrodes surgically implanted into the nerves of his arm. When the research team attached the prosthetic hand to these electrodes, Sørensen was able to control the movements of the hand with his brain. A series of sensors embedded in the artificial tendons that control the finger movements relayed information back through the implants to Sørensen's nervous system and brain, giving him the sense of how hard the hand was gripping and even what kind of object he was grasping.

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