Patent ID: 7103140

Claim:
A radiation image radiographing apparatus for mammography which radiographs a patient in an upright position comprising: a radiation source; a subject platform for supporting a subject so as to face the subject to the radiation source while the patient is in the upright position; a pressure plate, which is movable up and down with respect to the subject platform, for pressing and fixing the subject; and a plurality of supporting platforms for supporting a radiation image information detecting member for detecting radiation image information based on radiation transmitted through the subject, said plurality of supporting platforms being positioned on an opposite side of the subject platform with respect to the radiation source; wherein the plurality of supporting platforms are provided at fixed distances from the radiation source, and at least two said supporting platforms are provided at respective different distances from the radiation source; wherein at least one of the supporting platforms is provided at a position suitable for radiographing an absorption contrast image, and at least another one of the supporting platforms is provided at a position suitable for radiographing a phase contrast image; and wherein each of the plurality of supporting platforms is individually movable to be evacuated from a position in which the supporting platform faces the radiation source.