1. A medical image viewing device for navigation in X-ray imaging, comprising: an image data providing unit; a processing unit; and a display unit; wherein the image data providing unit is configured to provide an angiographic image of a region of interest of an object; wherein the processing unit is configured to identify a suppression area for partial bone suppression within the angiographic image; and to identify and locally suppress predetermined bone structures in the angiographic image in the suppression area, to generate a partly-bone-suppressed image; and wherein the display unit is configured to display the partly-bone-suppressed image.