Prosthetic leg feels like the first true in the world

The Woffgang Rangger, an Austrian patient with a leg amputated with a prosthetic device, sends the frequency to the brain every time he walks, making him feel real.

Prosthetic legs feel true

According to the Telegraph, Mr. Rangger is the first person to be fitted with a fake limb capable of simulating the sensations that are true. The prosthesis was developed by Professor Hubert Egger, University of Linz, Austria.

Brother Rangger and fake feet.(Photo: Europe Newsweek)

Rangger right leg amputated in 2007 because of clogged arteries after brain stroke He had surgery to install prosthetic limbs in October 2014. Rannger spent 6 months practicing and getting used to the new leg and launching the public yesterday in Vienna, Austria.

To prepare the prosthesis, the doctor must first remove the nerve endings from the tip of the limb connected to the healthy tissue in the thigh, placing them close to the skin surface to feed these nerve fibers. Then, six sensors were attached to the base of the prosthetic leg, connected to the stimulating wires inside the amputated funnel.

" The feeling is like being reborn again," Rangger said. "I feel like I have legs again. I no longer slip, even knowing I'm walking on gravel, concrete, grass or sand. I can feel all the macadam. "

Rangger, 54, can now jog, bike or mountain. When he moved, he hardly saw him limping. Every time you walk, the sensors will send waves to the brain .

" In the right leg, the foot-layer skin receptors do this function. However, in amputated people, these nerves still exist, do they stop working because they are not stimulated, " said Professor. Egger said.

" The sensor tells the brain that this is the foot, leaving a feeling for the footer to assume that the foot is on the ground when he walks. " Professor Egger has many interesting inventions in the scientific world . In 2010, he introduced a prosthetic control arm.

The Rangger can walk, bike, climb normally with artificial legs.(Photo: Europe Newsweek)

Not only helps patients find a sense of balance, safety, false legs also help eliminate the pain of Rangger after many years of amputation.

"I can hardly walk with a normal prosthetic limb, do not sleep more than two hours a night, and take morphine (pain reliever) to live through the day," recalls Rangger, who said he is no longer in pain. .

Professor Egger points out, "ghost pain" arises because the brain becomes more sensitive to find information about the amputated limb.

" In addition, amputation is often associated with a painful memory such as an accident, or illness. Therefore, the brain keeps these painful memories, " he said. The advantage of "lifelike prosthetics" is that once again, the brain retrieves lost data , and stops searching for a lost leg.

"The Rangger is different now from the time I met in 2012, " said Professor Egger. " At that time, I was impressed because he never laughed, his eyes darkened. He looked terrible."

The new leg recovers very quickly after joint surgery , leaving no complications, this is very important, Dr. Egger stressed. "The biggest risk is not connecting nerves properly, and not recovering senses."

Professor Egger hopes, with this new technology, small companies will join him, producing prosthetics to lower production costs. Currently, fake models designed by Professor Egger cost 11-34,000 USD.

"People with amputations are not true patients. They are not sick, they simply lose limbs, " said Professor Egger. "By giving them flexibility, they can regain confidence and independence, reintegrate into society. That's what I do."