X-RAY CALIBRATION DUMMY, A METHOD FOR NON-MARKER-BASED REGISTRATION FOR USE IN NAVIGATION-GUIDED OPERATIONS EMPLOYING SAID X-RAY CALIBRATION DUMMY, AND A MEDICAL SYSTEM HAVING SUCH AN X-RAY CALIBRATION DUMMY | Patent Publication Number 20020041655

X-RAY CALIBRATION DUMMY, A METHOD FOR NON-MARKER-BASED REGISTRATION FOR USE IN NAVIGATION-GUIDED OPERATIONS EMPLOYING SAID X-RAY CALIBRATION DUMMY, AND A MEDICAL SYSTEM HAVING SUCH AN X-RAY CALIBRATION DUMMY | Patent Publication Number 20020041655 | Patexia