The knee is an oil-filled nylon polymer that self lubricates.  43 have been fitted in India thus far and with the affordability of the price many more might now have a chance to walk again in developing countries.  BD 

April 23, 2009 An artificial knee costing just USD$20 promises to deliver much needed help to amputees who are disadvantaged or impoverished – particularly when the price of high-end titanium knee joints can range anywhere from USD$10,000 to USD$100,000 in the US. The artificial knee, dubbed the JaipurKnee, was developed by Joel Sadler, a lecturer in mechanical engineering and d'Arbeloff Fellow, and his team at the Hasso Plattner Institute of Design at Stanford University.


A $20 prosthetic knee to bring relief to disadvantaged amputees

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