A surgical navigation system has a computer with a memory and display connected to a surgical instrument or pointer and position tracking system, so that the location and orientation of the pointer are tracked in real time and conveyed to the computer. The computer memory is loaded with data from an...http://www.google.es/patents/US7844320?utm_source=gb-gplus-sharePatente US7844320 - Method and apparatus for volumetric image navigation
Method and apparatus for volumetric image navigation