Mechanical-resistance external knee prosthesis

Mechanical-resistance external knee prostheses are wearable devices designed to assist individuals with knee amputations or severe mobility impairments. They provide stability and controlled movement during activities like walking, climbing stairs, or standing by using mechanical friction or spring-based systems—without relying on fluids or gases.

These devices are typically regulated as medical devices based on their intended use and risk level, though classification varies by jurisdiction. They are often supplied as part of a full prosthetic system, requiring professional fitting and adjustment to ensure proper function and safety for the user.