The Stanford-Jaipur Knee is a new invention. It is based on the polycentric concept and is designed using the four-bar linkage geometry.
Website: http://jaipurfoot.org
https://jaipurfoot.org/what-we....-do/prosthesis/below
https://jaipurfoot.org/what-we....-do/prosthesis/above
https://jaipurfoot.org/what-we....-do/prosthesis/stanf