#$%^&*AU2011200764B220130613.pdf#####COMPUTER ASSISTED SURGERY SYSTEM Abstract A computer assisted surgery system and a method for operating a computer 5 assisted surgery system is described therein. The system and method includes providing a virtual representation of a medical device (200, 210, 220) to provide an easier application of a medical device, such as an implant or the like. The described system and method allows for simple and fast positioning of a medical device (200, 210, 220) to be applied, such as an implant, for example. 101/10 N - - - -