A computer assisted surgery system for accurate positioning of a drill bit into a body part. The system includes a drill guide and a drill with attached localizing emitters whose poses are determined by a localizing device. The drill bit is attached to the drill and the location of the tip of the drill...http://www.google.fr/patents/US6478802?utm_source=gb-gplus-shareBrevet US6478802 - Method and apparatus for display of an image guided drill bit
Method and apparatus for display of an image guided drill bit