According to foreign media reports on the 9th, Austrian scientists developed the world's first sensible prosthetic leg, which can simulate the feeling of real legs, while eliminating the phantom pain of amputees. This is the result of research by Hubert Egger of the University of Linz in northern Austria. The prosthetic involves two steps in installation. The doctor first connects the remaining nerve endings of the patient's residual limbs with the healthy tissue of the thigh and places it close to the surface of the skin. The researchers then installed six sensors on the sole of a lightweight prosthesis and connected them to the simulator in the backbone of the residual limb.
Austrian scientists have developed the world's first prosthetic leg.
Lange, the former teacher who installed this prosthetic leg, said: "I feel that I have another foot. I am no longer slipping on the ice. I know that I am walking on gravel road, concrete road, grass or sand. I I can even feel small stones."
The 54-year-old Lange was amputated after a stroke. He tried to use the new prosthetic for six months, except for running and riding a bicycle. When he walks, people don't notice that he has fake legs.
Ege said that when Lange takes a step or pressure, the sensor sends a message to the brain.
"In a healthy foot, the skin receptor is responsible for this task, but the amputee does not have this thing. But the nerve responsible for transmitting the message still exists, but it is not activated. The sensor will tell the brain the existence of the prosthetic leg, the user can walk Feel the ground."
In addition to helping the amputee to balance and strengthen safety, the new prosthetic has also played a significant role in eliminating phantom pain.
Lange said: "I can't walk when I use traditional prosthetic limbs. I sleep less than two hours a night and take painkillers every day." But after receiving surgery to install a new prosthetic limb in October last year, his pain disappeared. .
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