Published Online : 2025-12-30
Prosthetic technology has progressed dramatically over the last century, transforming from rudimentary mechanical limbs to modern devices that restore sensory and motor capabilities. Initial prosthetic limbs mostly provide structural support without replicating biological function. Advancements in neural interfaces and surgical techniques, notably the agonist antagonist myoneural interface (AMI), have enabled prosthetics to leverage neuromuscular feedback, hence improving walking speed and gait adaptation. Moreover, progress in machine learning and materials science has resulted in intelligent prosthetics that can respond to human goals, providing real-time modifications to mechanical outputs. The historical evolution of prostheses can be delineated into four phases: mechanical supports, myoelectric control utilizing muscle signals, intelligent prosthetics incorporating sensors and adaptive algorithms, and biohybrid systems that amalgamate biological components with robotics. Post-amputation sensory loss impairs critical feedback systems, requiring the incorporation of artificial sensory pathways in contemporary prosthetics to improve stability and diminish dependence on visual signals. Rehabilitation has progressed to include immersive virtual and augmented reality technologies, which aid functional recovery and increase user engagement with prosthetic devices. Despite the clear advantages of improved prostheses, obstacles persist regarding accessibility, affordability, and the requirement for skilled practitioners. Future advances are anticipated to focus on the integration of more intricate sensory modalities and the creation of resilient, self-repairing materials. Interdisciplinary collaboration will be crucial in surmounting existing obstacles and enhancing the quality of life for prosthetic users, ensuring that devices are both functionally efficient and conducive to identity and autonomy.
Original Article
English
P. 87-99