Its very very rare, but yes it has and can happen. There have been several cases of a patient seeming as if they are under and actually feeling the whole procedure but not being able to move or let the doctors know that they can. Its very rare and its usually caused by an improper amount of anestitic.
[link removed] has some pictures and guides on how it goes you should check it out. Surgury is just one of thsoe things..=/
jessicanunez.tk/ is the link