Skin Cell Gun
The visuals in the video below are a bit strong so I decided to post the link and not the embedded video so those who want to see it can.
http://www.youtube.com/watch?v=eXO_ApjKPaI
I am not sure how to classify this, but I’ll say it is a skin printer. Using living cells, they are cultivated and then applied to places where skin was burnt and new skin gets formed. Here is the wikipedia article on it.