The present invention relates to visualizing vascular structures. In order to provide further improved digital subtraction angiography, a device (10) for visualizing vascular structures is provided that comprises a data provision unit (12), a data processing module (14), and an output unit (16). The data provision unit is configured to provide a first sequence of non-contrast X-ray images of a region of interest of a patient for use as raw X- ray mask images. The data provision unit is also configured to provide a second sequence of contrast X-ray images of the region of interest of a patient for use as raw X-ray live-images. The processing unit is configured to perform a first spatial subtraction for the first sequence of non-contrast X-ray images resulting in a first sequence of spatial-subtracted mask images. The processing unit is also configured to perform a second spatial subtraction for the second sequence of contrast X-ray images resulting in a second sequence of spatial-subtracted X-ray live-images. The processing unit is further configured to perform a temporal subtraction by subtracting the spatial-subtracted mask images from the spatial-subtracted X-ray live-images resulting in a sequence of spatial-temporal subtracted X-ray live-images. The output unit is configured to output the sequence of spatial-temporal subtracted X-ray live-images.La présente invention concerne la visualisation de structures vasculaires. Le but de linvention est daméliorer davantage langiographie par soustraction numérique. À cet effet, linvention concerne un dispositif (10) pour visualiser des structures vasculaires qui comprend une unité de fourniture de données (12), un module de traitement de données (14) et une unité de sortie (16). Lunité de fourniture de données est conçue pour fournir une première séquence dimages radiographiques sans produit de contraste dune région dintérêt dun patient pour une utilisation en tant quimages radiographiques de masque brutes. Lunité de four
