Abstract: A filter device is for a collimator of an irradiation device. In an embodiment, the filter device includes a plurality of filter disks, arranged on a disk that is rotatable around an axis. Each filter disk is mounted so as to be movable in a radial direction and is tensioned by way of a respective spring element radially away from the axis or toward the axis against a guide contour, effecting a radial movement of at least one filter disk.

Abstract: A filter device is for a collimator of an irradiation device. In an embodiment, the filter device includes a plurality of filter disks, arranged on a disk that is rotatable around an axis. Each filter disk is mounted so as to be movable in a radial direction and is tensioned by way of a respective spring element radially away from the axis or toward the axis against a guide contour, effecting a radial movement of at least one filter disk.

Abstract: The invention relates to a radiation screen for an X-ray device, comprising at least one radiation limiting means which is displaceably mounted and is embodied as a diaphragm. According to the invention, the radiation limiting means is displaceably mounted on a plane in a perpendicular manner in relation to a defining bundle of rays, and comprises a plurality of differently shaped diaphragm apertures for continuously limiting the different bundle of rays. It can, for example, be embodied as an essentially rotation-symmetrical perforated disk. In another embodiment, the radiation screen comprises two radiation defining means which are arranged in an overlapping manner in the direction of the bundle of rays which are to be defined.

Abstract: The invention relates to a radiation screen (30) for an X-ray device (1), comprising at least one radiation limiting means which is displaceably mounted and is embodied as a diaphragm. According to the invention, the radiation limiting means is displaceably mounted on a plane in a perpendicular manner in relation to a defining bundle of rays (6), and comprises a plurality of differently shaped diaphragm apertures (40 . . . 51, 60 . . . 66) for continuously limiting the different bundle of rays (6). It can, for example, be embodied as an essentially rotation-symmetrical perforated disk. In another embodiment, the radiation screen comprises two radiation defining means which are arranged in an overlapping manner in the direction of the bundle of rays (6) which are to be defined.