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A research team from ETH Zurich, Switzerland, is conducting a study on a prosthetic leg that allows even people with amputated legs to regain sensation when bending the soles and knees.
According to the results of a study published in the journal Nature Medicine, a sensor was added to the existing prosthetic leg and connected to the leg nerve through an electrode buried in the subject’s thigh. As a result, he has succeeded in bending his knees, turning on stretching, and transmitting tactile information to the brain.
It was conducted with only two subjects, so it was small as a study sample, but using a prosthetic leg with nerve feedback reduced the amount of oxygen consumption during walking and the mental burden of having to focus on walking. In a word, it became easier to walk.
In addition, electrical stimulation can be applied to nerves by using the nerve feedback interface regardless of the artificial brace. As a result, it is said that the symptoms of flatulence, which feel pain in the lost area, have also been greatly relieved. Nowadays, since implants inserted into the epidermis are used, regular medical checkups are essential. In the future, however, plans are being made to put it into the market by developing a device that is completely built-in like a pacemaker and will send feedback wirelessly. Related information can be found here .
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