Advanced Prosthetic Control Algorithm for Limb Weakness
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial aims to improve how people with limb weakness control advanced orthotic devices (robotic braces) using muscle signals. Researchers are testing a new algorithm, the Experimental Control Algorithm, which could enhance the devices' responsiveness to muscle movements. Participants will use either a current control system or the new experimental one. This study suits individuals who had their first stroke at least six months ago and experience chronic weakness on one side of their body. As an unphased trial, it offers participants the chance to contribute to innovative research that could enhance future treatments for limb weakness.
Do I need to stop my current medications for this trial?
The trial information does not specify whether you need to stop taking your current medications.
What prior data suggests that this advanced prosthetic control algorithm is safe for limb weakness?
Research has shown that high-density electromyography (HD-EMG) control systems have been well-received in past studies. These systems use muscle signals to operate devices like exoskeletons and have improved the control of prosthetic devices without causing major side effects.
In some studies, HD-EMG enhanced device performance by increasing responsiveness and reliability. Although no serious side effects were reported, some individuals might experience slight discomfort from the electrodes, which resemble sticky patches on the skin that read muscle signals. Overall, these treatments have shown promise in safely improving device control.12345Why are researchers excited about this trial?
Researchers are excited about the High-Density EMG Control Algorithm because it offers a novel way to enhance prosthetic limb control for individuals with limb weakness. Unlike standard control systems like MyoPro, which rely on binary muscle signals, this new algorithm uses advanced predictive algorithms to map residual muscle activity to intended movements. This approach could significantly improve precision and responsiveness, offering users a more natural and intuitive prosthetic experience.
What evidence suggests that this trial's algorithms could be effective for limb weakness?
Research has shown that the High-Density EMG Control Algorithm, which participants in this trial may receive, can significantly enhance the control of prosthetic devices. High-density electromyography (HDEMG) records detailed muscle activity, aiding in accurate movement prediction. Studies indicate that this method allows for more precise control of electronic devices, such as robotic braces, by linking muscle activity to intended actions. As a result, individuals might experience better control and use of their limbs. Early findings suggest that this technology could improve the quality of life for those with weak limbs. Meanwhile, the Clinically Available Control Algorithm, serving as the control condition in this trial, uses a commercially available device, the MyoPro, for binary control of the orthosis.12367
Are You a Good Fit for This Trial?
This trial is for individuals who have had their first-ever stroke at least 6 months ago, resulting in paresis or hemiparesis. They must be able to move the arm opposite of the affected side but cannot currently be incarcerated.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants use the orthotic device with different control algorithms for up to 2 hours
Follow-up
Participants are monitored for safety and effectiveness after using the device
What Are the Treatments Tested in This Trial?
Interventions
- Commercially Available Control Algorithm
- Experimental Control Algorithm
Find a Clinic Near You
Who Is Running the Clinical Trial?
University of Utah
Lead Sponsor