Aberdeen robotic arm development aims to help stroke patients

A robotic arm to aid stroke recovery is being developed at the University of Aberdeen.

The device is intended to help patients recover safely at home without the help of a physiotherapist.

The technology is being developed by final year PhD student James Greig, who hopes it can help meet the high demand for physiotherapy appointments.

The “soft robot arm” is in the development stage before entering clinical trials.

It is worn on the patient's arm and helps support basic repetitive movements that are essential for stroke recovery.

Greig said the technology is “lightweight and inexpensive” and uses materials that are comfortable for patients to wear.

He told BBC Scotland News that he “knew nothing” about robotics before starting the project.

“The first challenge was to design something that was big enough and strong enough to move the elbow, which requires a lot of force,” he said.

“Users can go home and get treatment without having to be one-on-one.

“Physiotherapists can also use this in patient classes to treat multiple patients at once.”

The robotic arm is currently controlled using a laptop, but further developments could allow it to connect to a phone or desk device.

Try to mimic the same movements your physical therapist recommends during your session.

A small compressor pumps air into the device, causing strips of material to expand and compress, moving the limbs and replicating movements like bicep curls.

It's not yet clear when the robotic arm will be able to move to the testing phase.

“It's a medical device, so there's a lot of testing that needs to be done, but there's no reason why it can't be brought to market,” Greig said.

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