Surgical intervention navigation recording method in which a coordinate transform is calculated between an X-ray calibration phantom coordinate system and a position capture system using X-ray positive markers

摘要

Method for recording a navigationally assisted medical intervention using a position capture system (10) of an X-ray system (1) with X-ray positive markers (21) of an X-ray calibration phantom. Method has the following steps: recording of 2D projections of the X-ray calibration phantom (20) from different directions; reconstruction of a volume of the phantom from the recorded projections; determination of the coordinates of the markers in both the calibration coordinate system and the position capture system; and determination of a coordinate transformation between the two systems.