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Problem Addressed

There are an estimated 30 million people worldwide in need of prosthetics and orthotic devices. According to the World Health Organization, 90-95% of amputees in developing countries do not have access to prosthetics largely due to high cost. In India alone, there are approximately 230,000 transfemoral amputees. Most currently distributed above-knee prostheses are inexpensive passive devices that hinder a normative gait and incur frequent mechanical failure. This technology is a low-cost, fully passive prosthetic knee design that closely mimics able-bodied kinematics ideally suited for above-knee amputees in developing countries.