About the solution
This disease cost the girl the use of her arm, although she can move her hand and wrist.
Bodo, who has a background in computing, created a 3D printed robotic arm brace that his helping his daughter move and has increased her chances of rehabilitation.
“Over the last several weeks she has now slowly started to regain the use of her arm and is able to move!”, the inventor explained.
The father was told that traditional treatments would have given Lorelei about a 5% chance at recovery, and state of the art treatments were closed to them or were too costly. So he took the matter into his own hands, and started researching assistive devices in the form of robotic exoskeletons that have helped paralyzed or partially paralyzed people learn or relearn to use their muscles effectively.
Bodo scanned Lorelei’s arm to get her exact measurements, then designed and 3D printed two lightweight braces that would fit her forearm and upper arm. The braces would then be connected with an actuator controlled through embedded sensors. Then the father started posting videos on Youtube to get advice from the crowd.
“After a few weeks, we had a pretty good understanding of all the components we needed to get something working. With a tight budget, we went shopping… We bought an Arduino, an EKG board, various sensors and built an arm rig to test it all out on”, Bodo said.
After prototyping with different materials and getting help from volunteers from all over the world, the duo managed to train an algorithm to recognize when she was trying to move her arm, and she began practicing with the help of a virtual arm.
The final product is a robotic arm prototype that is ten times lighter and ten times less expensive than comparable technology currently being used. Bodo wants to open source the technology so that it’s available to everyone.
The instructions for building the device can already be found online.
More info: http://bit.ly/2n2rhFa
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