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Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

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Release: 2023-04-12 23:34:02
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David Zabala is a child from an ordinary family in the south of Mexico City.

The 8-year-old still needs a wheelchair to move relatively freely because he suffers from cerebral palsy.

But recently, with the help of the exo-mechanical skeleton, he finally took the first step with his own legs:

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

# "At first this thing would scare him, and his hands would be shaking very nervously," said David's mother, Guadalupe Cardoso, 41, with emotion. , "But then I saw that his feet became stronger and his walking improved. He is now interested in walking and he took the first steps. This is a joy for him."

It is understood that the exoskeleton device David uses is the brand-new Atlas 2030, which is specially designed for children aged 3 to 14 years old.

While wearing Atlas 2030, David is now able to do some activities independently, such as playing ball and drawing. These were things he had never imagined before.

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

The device has also come into use as part of a treatment approach. Research shows that giving paralyzed children the opportunity to walk "not only extends their lifespan and enhances their physical health, but also improves their self-esteem."

The director of the Mexican Association of Cerebral Palsy Patients said that the device can "achieve rehabilitation goals in record time", which is much more expensive than the several months of traditional therapy. progress.

Atlas 2030 was designed by Elena García Armada, who also won the 2022 European Inventor Award for it.

The world’s first child-based adaptive robotic exoskeleton

There are approximately 17 million children around the world who face the same problem as David Condition.

Children who have to use wheelchairs for reasons such as cerebral palsy often suffer from trunk muscle degeneration and spinal deformity. These problems can further affect their lungs and heart, thereby reducing their longevity and quality of life.

While adult exoskeletons have been developed since the 1960s, lightweight adaptive devices for growing children still have yet to be developed and perfected.

After meeting a paralyzed child, roboticist Elena García Armada of the Spanish National Research Council (CSIC) in Madrid shifted her research focus from heavy industrial exoskeletons to pediatric exoskeletons.

Over the course of 10 years, Armada has developed a battery-powered wearable device that can provide power for 2.5 hours and can adapt to varying degrees as the wearer's health changes.

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

## It is understood that the equipment can be installed within 8 minutes and mainly connects the "joints" "Wraps around kids' legs and waists, attaches to a structure on wheels for added support, and adjusts stiffness based on the wearer's muscle strength. At the same time, this robotic exoskeleton device can support delayed situations and sometimes even prevent medical complications caused by limited mobility.

According to the European Patent Office, this is “the world’s first child-based adaptive robotic exoskeleton.”

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

Atlas assisted improvement effect is obvious

In an article called Effects In the paper of ATLAS 2030 gait exoskeleton on strength and range of motion in children with spinal muscular atrophy II: a case series, we can see more design details about Atlas 2030.

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

Paper link:

https://jneuroengrehab.biomedcentral.com/articles/10.1186/s12984-022-01055- x

Atlas 2030 has two working modes. In the automatic mode, the device follows the kinematic gait pattern based on the wearer and assists walking at a set speed; in the active assist mode, the device helps to supplement the remaining strength for the required action by detecting the patient's movement intention. This motivation for action is detected by force sensors placed on the machine's motors. In addition, the exoskeleton can also assist the wearer in switching from a sitting to a standing position.

All of these functions are controlled through an app that runs on the tablet and connects to the Wi-Fi connection provided by the exoskeleton itself.

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

#The control structure of the device is divided into two interconnected systems. The master controller generates a synthetic trajectory from the information received from the user. The high-level controller is based on a real-time processor that calculates inverse kinematics based on parameters configured in the application and then sends the angular trajectory of each joint to the motor low-level controller. The low-level control system receives the desired position and closes the loop with the measured position of each joint.

From the exoskeleton wearing experiment conducted on 3 users, all measured values ​​at the end of the experiment were improved compared with the initial state, including hip joint flexion and extension movements and The most significant improvements were seen in knee flexion and extension; while the most significant improvements were seen in knee extension and ankle dorsiflexion during the first five exoskeleton sessions.

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

Help an 8-year-old child with cerebral palsy take the first step! The first gait exoskeleton rehabilitation robot for children that controls joint flexibility

##According to the paper According to the investigation, the Atals 2030 exoskeleton device has a good therapeutic effect on improving the lower limb strength of children. This study can also serve as preliminary support for the future clinical integration of Atlas 2030 as part of children's rehabilitation.

I believe that with the continuous follow-up and development of subsequent technologies, more and more children will be able to stand up again and re-understand the world.

Related reports:

https://www.dailymail.co.uk/sciencetech/article-11342177/Boy-8-stricken-cerebral-palsy-takes -steps-thanks-new-exoskeleton.html

https://www.france24.com/en/live-news/20221020-robotic-suit-gives-paralyzed-children-gift-of-walking

https://futurism.com/the-byte/cerebral-palsy-walks-robotic-exoskeleton

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source:51cto.com
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