15.12.09

The first bionic arm controlled directly by the central nervous system


It was made of Italian researchers from Sant'Anna Superior School of Pisa and attached to the forearm of a young Brazilian origin by a team of doctors at a university hospital in Rome.

Experiment which turned the patient into a new part of Luke Skywalker LifeHand project, involving research institutes throughout Europe.

Pierpaolo Petruzziello, 26, lost his left arm in 2006, following a street accident. With hand-made, consisting of five fingers of aluminum and equipped with sensors, steel joints and hands, covered by a sort of "glove" carbon fiber, he has now proved he can to raise his fist again, to unite with finger and thumb to move the little finger.


All this thanks to the four electrodes made by German company Ibmt that, once implanted within the two nerves in his arm, allowing dialogue between the brain and hand.

It's filament made of biocompatible material, thickness of 10 nanometers and a length of 180, dial each of 8 channels.

Brain transmit a nerve impulse control through normal and present a microchip and elaborates on the electrodes register the signal, sending it on the driver member.
In addition, bionic hand not only allow patients to order and make a move, but also receive sensory stimuli ..

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