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Thursday, April 07, 2022

Prosthetic Hands and a Sense of Touch

New and better sensory Haptics

Touchy Subject: 3D-Printed Fingertip 'Feels' Like Human Skin

University of Bristol News (U.K.), April 6, 2022

Researchers at the U.K.'s University of Bristol have developed a three-dimensionally (3D)-printed fingertip that could improve robotic dexterity and the performance of prosthetic hands via an in-built sense of touch. The artificial fingertip incorporates recordings of the human tactile sense using a 3D-printed mesh of pin-like papillae on the underside, which mimic those found in human skin. "Our 3D-printed tactile fingertip can produce artificial nerve signals that look like recordings from real, tactile neurons," explained Bristol's Nathan Lepora. He said the fingertip was able to "feel" the same ridged shapes used by psychologists, which scientists employed in 1981 to plot electrical recordings from human tactile nerves.  ... ' 

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