Abstract: Various embodiments of an X-ray imaging system employ a C-arm (60) and an X-ray overlay controller (410). In a planning overlay display mode, the controller (410) processes a planning X-ray image (420) and a reference planning X-ray image (421), both illustrative of the planning X-ray calibration device (400) and further processes a base X-ray image (424, 425) (422) illustrative of a base X-ray calibration device to control a display of a planned tool trajectory overlay (412) and a tracked tool position overlay (413) onto the planning X-ray image (420). In a guiding overlay display mode, the controller (410) processes a pair of interventional X-ray images (424, 425) and a guiding X-ray image (426), all illustrative of a guiding X-ray calibration device (402), to control a display of a guidance tool trajectory overlay (414) and a racked tool position overlay (415) onto the guiding X-ray image (426).

Abstract: The present invention relates to guidance during a medical intervention. In order to provide an improved navigation support with a facilitated setup, a system (10) for navigation support is provided. An image data input (12) receives a plurality of acquired 2D X-ray images of a subject's body from different angles. A set of markers, which are visible in X-ray images and which are detectable by a navigation system, is assigned to the subject. A marker detecting arrangement (16) is provided that detects a current spatial location of the markers assigned to the subject. A data processor (14) reconstructs a 3D volume of the subject based on the plurality of 2D X-ray images. At least a part of the markers is arranged outside the volume covered by the reconstructed 3D volume of the subject, while the markers are visible in the 2D X-ray images.

Abstract: Various embodiments of an X-ray imaging system employ a C-arm (60) and an X-ray overlay controller (410). In a planning overlay display mode, the controller (410) processes a planning X-ray image (420) and a reference planning X-ray image (421), both illustrative of the planning X-ray calibration device (400) and further processes a base X-ray image (424, 425) (422) illustrative of a base X-ray calibration device to control a display of a planned tool trajectory overlay (412) and a tracked tool position overlay (413) onto the planning X-ray image (420). In a guiding overlay display mode, the controller (410) processes a pair of interventional X-ray images (424, 425) and a guiding X-ray image (426), all illustrative of a guiding X-ray calibration device (402), to control a display of a guidance tool trajectory overlay (414) and a racked tool position overlay (415) onto the guiding X-ray image (426).