Maki -shaped human muscle groups implanted on a robotic hand | EUROtoday
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HAS First view, that is solely yetr robotic hand. It even appears fairly rudimentary, made up of plastic fingers whose actions are restricted to a couple flexions and extensions, simply enough to know small objects. But you shouldn’t belief appearances. This hand, developed by the staff of Professor Shoji Takeuchi, of the University of Tokyo, is a technological feat. A “biohybrid” machine, that’s to say that mixes robotic and biology.
His fingers are literally pushed by human muscle groups made within the laboratory and baptized MUMUTA (Multiple Muscle Tissue Actuators). They are developed from a tradition of nice muscle tissue filaments. They are then rolled up, like makis, to type a reasonably thick and sturdy ligament which contracts and relaxes below the impact {of electrical} pulses.
Revolution introduced for prostheses and muscle analysis
This all -Japanese method lets you get round a significant drawback: to develop thick muscle groups rising in laboratory to maneuver your fingers with a hand with human dimensions. A primary. The earlier makes an attempt have been confined to miniature gadgets, at greatest 1 cm long-against 18 cm for it. Their bodily expertise remained very restricted, with out a lot power. This time there may be grip, tone. Even if, as in any athlete, fatigue could be felt: ten minutes of intensive workouts and it’s the assured cramp. It then takes an hour of relaxation in order that the hand can resume a frenzied a part of Chifoumi.
Read too This hand exoskeleton that might enhance the sport of pianistsOf course, there isn’t a query of grafting this new appendix right into a human arm, and even on that of a robotic: the creation of Professor Takeuchi should stay in suspension in a liquid that limits friction between ligaments and fingers. The researcher believes, nevertheless, that some further developments will give his factor to his factor.
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Another drawback: the fingers don’t come again of their preliminary place, as in the event that they have been affected by a type of osteoarthritis. Again, Japanese scientists have options in thoughts to rectify this small weak point.
If this natural robotics are solely in its infancy, it already pronounces a revolution, with purposes each within the area of prostheses and in that of analysis on muscle groups. Even the event of recent surgical methods.
https://www.lepoint.fr/sante/des-muscles-humains-en-forme-de-maki-implantes-sur-une-main-robotique-12-02-2025-2582325_40.php