Not knowing anything about medicine or medical journals, or the veracity of the claims, here are the links from the FTA
"A good example of frugal innovation is hernia surgery. In India, instead of using commercial mesh to treat hernias in an operation, you can just cut a bit out of a mosquito net, sterilize it with ethylene oxide, and actually it's just as good if not better than the commercial mesh at a fraction of the cost. "