An image guided catheter navigation system for navigating a region of a patient includes an imaging device, a tracking device, a controller, and a display. The imaging device generates images of the region of the patient. The tracking device tracks the location of the catheter in the region of the patient....http://www.google.com.au/patents/US8060185?utm_source=gb-gplus-sharePatent US8060185 - Navigation system for cardiac therapies
