Developing Robotic Arms to Aid Stroke Patients

The development of robotic arms targets enhancing rehabilitation for stroke patients, offering innovative solutions to aid in their recovery journey. These advanced technologies aim to improve motor function, enhance independence, and facilitate a smoother rehabilitation process for individuals affected by stroke.

A robotic arm designed to aid stroke recovery is currently under development at the University of Aberdeen. Its objective is to enable patients to safely recover in their homes without constant physiotherapist supervision. 

James Greig, a final year Ph.D. student, is spearheading the project with the aim of addressing the overwhelming demand for physiotherapy appointments. Named the "Soft Robo Arm," it is undergoing development stages before progressing to clinical trials. 

The device is strapped onto the patient's arm, assisting them in performing crucial repetitive movements necessary for stroke rehabilitation.

According to Mr. Greig, the technology is both "lightweight and inexpensive," utilizing materials that ensure comfort for the patient during wear. Speaking to BBC Scotland News, he admitted having "no prior knowledge" of robotics before undertaking the project. 

He elaborated, stating, "The initial hurdle was creating something sizable and robust enough to manipulate the elbow, which requires significant force." Greig highlighted the device's potential, allowing users to engage in therapy independently at home, alleviating the need for constant one-on-one supervision. 

Additionally, he noted its applicability for group therapy sessions, enabling physiotherapists to work with multiple patients simultaneously.

Presently, the robotic arm is operated through a laptop, although future advancements could enable connection to a phone or desktop device. Its aim is to replicate the movements encouraged by physiotherapists during sessions. 

The mechanism involves air being pumped from a small compressor into material strips, causing them to inflate and press together, facilitating limb movement akin to a bicep curl. 

Although the timeline for progressing to the trial phase remains uncertain, Mr. Greig expressed optimism, stating, "While extensive testing is necessary due to its medical nature, there's no impediment to its market release."

Source: bbc‍