Design trends in actuated lower-limb prosthetic systems: a narrative review

Area of Science:

• Biomedical Engineering
• Rehabilitation Technology
• Prosthetics

Background:

• Actuated lower limb prostheses offer controllable power and impedance, enhancing mobility for individuals with limb impairments.
• The growing number of prosthetic options presents challenges for users, researchers, and clinicians.
• Understanding gait mechanics and prosthetic capabilities is crucial for effective rehabilitation.

Purpose of the Study:

• To provide an overview of current trends and developments in actuated lower limb prostheses.
• To compare various prosthetic solutions available in academia and the market.
• To discuss advancements in sockets, suspension systems, and surgical approaches for improved prosthetic integration.

Main Methods:

• Literature review of recent advancements in actuated lower limb prostheses.
• Comparative analysis of different prosthetic technologies and their applications.
• Exploration of emerging trends in prosthetic interfaces and surgical interventions.

Main Results:

• Overview of powered and semi-active prosthetic joints and their benefits.
• Comparison of academic and commercial actuated prosthetic solutions.
• Insights into innovations in prosthetic sockets, suspension, and surgical techniques.

Conclusions:

• The field of actuated lower limb prostheses is rapidly evolving with diverse technological solutions.
• Future development necessitates a multidisciplinary approach for next-generation prosthetic integration.
• Enhanced physical and neural interfaces are key to improving the prosthetic experience.