Economist: "Artificial limbs that feel like the real thing are getting closer"
http://www.economist.com/news/science-and-technology/2162358...
Wikipedia: "Osseointegration"
https://en.wikipedia.org/wiki/Osseointegration
Videos of surgery (somewhat graphic) and use of the prosthetic.
https://www.youtube.com/watch?v=irtF-kGpaV4 https://www.youtube.com/watch?v=Hmt165ZTPmI