Background
Gait impairments affect millions worldwide, including individuals with neurological disorders, injuries, and age-related conditions. These challenges not only limit mobility and independence but can also lead to complications like muscular atrophy and cardiovascular issues. Traditional assistive technologies like braces, walkers, and wheelchairs offer basic support but lack adaptability. However, more advanced devices, like robotic exoskeletons, struggle with excessive weight, limited battery life, and a limited range of motion. To effectively enhance mobility, assistive devices must provide a solution which effectively overcomes all of these significant shortcomings.
Invention Description
Researchers at Arizona State University have developed an innovative variable stiffness spiral cam actuator (VS-SCA) designed to revolutionize walking assistance. This advanced actuator leverages a spiral cam mechanism to dynamically adjust stiffness, offering tailored support throughout different phases of the gait cycle. By adapting to the user’s needs in real time, the VS-SCA enhances mobility for individuals with gait impairments. The unique design not only improves energy efficiency but also significantly decreases weight, making it much more comfortable for the user.
Potential Applications:
- Wearable assistive robotics
- Customizable solutions for individuals with gait impairments
Benefits and Advantages:
- Compact design, which reduces weight and improves efficiency
- Customizable torque and stiffness to match each user’s unique needs
Related Publication: Design and Validation of a Variable Stiffness Spiral Cam Actuator