Artefact elimination for medical technology pelvic registration with tracked pelvic support known to the system

摘要

The method involves obtaining two X-ray or fluoroscopic recordings of a body part. A medical navigation system (20) is used to ascertain a position of a support device and an X-ray or fluoroscopic apparatus during recording. The ascertained position of the support device and the X-ray or fluoroscopic apparatus is used to identify an image of the support device in the recordings. The recordings are used to register the body part in a medical workspace. Image data corresponding to the image of the support device are not used to register the body part. Independent claims are also included for the following: (1) a system for registering a patient's body part in a medical workspace of a medical navigation system (2) a computer program stored on a machine readable medium for registering a patient's pelvis in a medical workspace of a medical navigation system.