Patent ID: 7878710
Filing Date: 2011-02-01
Classification: A61B

Abstract:
1. An x-ray radiation image photographing apparatus, comprising: an x-ray radiation emission means for emitting x-ray radiation toward a subject; an x-ray radiation image detection means for recording an x-ray radiation image of the subject by receiving x-ray radiation transmitted through the subject; an image display means for displaying the x-ray radiation image; a specification means for specifying a region of interest in the x-ray radiation image; a region of interest indication means for indicating a mark on a site of the subject corresponding to the region of interest in the x-ray radiation image specified by the specification means; and wherein: the region of interest indication means is a means that has a laser light source and indicates the mark on the site corresponding to the region of interest by emitting laser light outputted from the laser light source; and the focal point of the laser light source is placed at the virtual image position of the focal point of the x-ray radiation emission means.