
A cross-section of the Jaipur Foot, developed by orthopedic surgeon Dr. Pramod Karan Sethi and sculptor Ram Chandra.
People have been devising fake arms, legs, noses and virtually every other body part for centuries. Here, a quick look at some of the devices that humans have invented to replace -- or at least approximate -- the irreplaceable.

A cross-section of the Jaipur Foot, developed by orthopedic surgeon Dr. Pramod Karan Sethi and sculptor Ram Chandra.