IIT Madras launches India’s first indigenously developed polycentric prosthetic knee

IIT Madras researchers developed prosthetic knee ‘Kadam’, standing wheelchair ‘Arise’, and active wheelchair, motorized add-on ‘NeoFly-NeoBolt’.


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IIT Madras researchers develop prosthetic knee (Source: Official press release)IIT Madras researchers develop prosthetic knee (Source: Official press release)

Vagisha Kaushik | April 8, 2022 | 06:01 PM IST

NEW DELHI: The Indian Institute of Technology (IIT) Madras researchers have launched India’s first indigenously developed polycentric prosthetic knee, which aims to improve the quality of life for thousands of above-knee amputees. The polycentric knee is called ‘Kadam,’ and is a ‘Made in India’ product for above knee prosthesis which has been developed in association with Society for Biomedical Technology (SBMT) and Mobility India.

“Kadam makes it possible for above-knee amputees to walk with a comfortable gait. Not just mobility, it also aims to improve the quality of life of users through increased community participation, access to education, livelihood opportunities and overall well-being,” said an official statement from IIT Madras.

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The knee was developed by a team at TTK Center for Rehabilitation Research and Device Development (R2D2) at IIT Madras, which also developed and commercialized ‘Arise,’ a standing wheelchair and NeoFly-NeoBolt: active wheelchair and motorized add-on for seamless indoor-outdoor mobility. R2D2 is involved in research related to human movement, and the design and development of rehabilitation and assistive devices for people with movement impairments.

SBMT was established under DRDO by former President APJ Abdul Kalam to enable indigenous medical device development. Mobility India, an NGO in Bengaluru, will mass manufacture and take Kadam to the market along with overseeing the processes of fitment and training and ensuring easy access for the users.

Advantages of Kadam

Kadam has advantages over a hinge joint because of the multiple axes of rotation, which provide the user greater control over the prosthesis while walking and maximum knee flexion of 160 degrees to make it easy to sit in cramped spaces like buses and autos. It is designed for durability.

Kadam is affordable and of high quality and performance, complying with ISO 10328 standards including 30 lakh cycles of fatigue testing. It provides stability, reduces the risk of stumbling and its patented geometry is specifically optimized for use on uneven terrains.

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Addressing the launch event virtually, Thiru. Johny Tom Varghese IAS, State Commissioner for Persons with Disability, Government of Tamil Nadu, said, “What bridges the world of a Differently Abled Person with that of others is technology. It is phenomenal to see how technology can usher in inclusion in all walks of life. Kadam is one such innovation, along with other similarly path-breaking products that came out of R2D2 IIT Madras, which will make technology accessible and affordable!”

Congratulating the Researchers on the successful commercialization of Kadam, Professor V Kamakoti, Director, IIT Madras, said, “The need for Technology to meet health and medicine is crucial for a healthy future. The Kadam is yet another example to justify this need. We, at IIT Madras, are very happy that our Research and Development efforts are translating to products that could be of benefit to mankind.”

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