1. A medical imaging device for providing an image representation supporting positioning of an intervention device in a region of interest during an intervention procedure, the medical imaging device comprising: (i) means for acquiring a pre-live anatomy image including the region of interest; (ii) means for acquiring a first live anatomy image including the region of interest using a live image acquisition device comprising an adjustable collimator device with the collimator device being in previously set settings; (iii) means for identifying or receiving a location of the jute device, within the first live anatomy image; (iv) means for adjusting settings of the collimator device based on the identified location of the intervention device for subsequently acquiring a further live anatomy image including the region of interest using the first live image acquisition device with the collimator device being in the adjusted settings; (v) means for acquiring a second live anatomy image including the region of interest using the collimator device with adjusted settings; (vi) means for providing the image representation by merging information from the live anatomy image into the pre-live anatomy image.