A surgical navigation system for navigating a region of a patient includes a non-invasive dynamic reference frame and/or fiducial marker, sensor tipped instruments, and isolator circuits. The dynamic reference frame may be repeatably placed on the patient in a precise location for guiding the instruments....http://www.google.es/patents/US7971341?utm_source=gb-gplus-sharePatente US7971341 - Method of forming an electromagnetic sensing coil in a medical instrument for a surgical navigation system
Method of forming an electromagnetic sensing coil in a medical instrument ...
