New Nerve Interface Simulates Sense of Touch

Researchers at the Cleveland Veterans Affairs Medical Center and Case Western Reserve University have developed a new type of interface that can simulate the sense of touch from 20 spots on a prosthetic hand.

The interface works by directly stimulating peripheral nerve bundles in the arms of patients. The interface, a cuff electrode, holds three nerve bundles in the arm –radial, median and ulnar –and gently flattens them to make a rectangular configuration maximizing the surface area. 20 electrodes on the three cuffs deliver electrical signals to the nerve fibers.

Read more about how this research could open the possibility of prosthetic limbs providing important sensory feedback.

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