| 摘要 |
FIELD: medicine.SUBSTANCE: invention relates to estimation means, particularly estimation means configured for use to obtain a digital X-ray dynamic image through which estimation is performed, as well as to an estimation device provided with said estimation means. Estimated feature, configured for use for obtaining a digital X-ray dynamic image, wherein there is design evaluation of said digital X-ray dynamic image, and said means comprises a plate-like body with multiple sections with different X-ray absorption coefficients, at least one movable body, having a plurality of wire rods and to displace relative to plate of housing so that said multiple wire rods crossing X-ray radiation, which is exposed to said plate-type body, and drive part that moves movable body relative to plate-like housing, wherein said at least one movable body comprises multiple moving bodies with various design and made with possibility of replacement, and at least one of said plurality of wire rods is divided into linear sections of at least in one of said plurality of movable bodies.EFFECT: simplification of evaluation of image quality of digital X-ray dynamic image.10 cl, 6 dwg |
