Abstract: A mammography apparatus has a bed unit on which, during a screening, the patient lies ventrally on a recumbent surface of the bed unit. The recumbent surface has a configuration allowing variable individual parts of the bed unit to be positioned so that the bed position of the patient is optimized and the components of the x-ray unit that are arranged below the bed unit can be positioned and aligned relative to one another such that the base of the breast to be x-rayed is also imaged.

Abstract: A controller for a contrast agent-based, dual energy or two-spectrum tomosynthesis, has a control module that is designed for synchronized control of an injector and the mammography system. The control is based on measured, patient-specific values.

Abstract: In a mammography system with a radiation protection wall, a production method for a radiation protection wall, and a method to operate a mammography system, the radiation protection wall has a further function in addition to the radiation protection. The radiation protection wall additionally serves to present a user interface of a control program to control the mammography apparatus, and can still display the images acquired by the mammography apparatus. The display region of the radiation protection wall is provided in the upper region of said radiation protection wall and can be fashioned as a touchscreen in order to control the mammography apparatus with the detected touch signals.

Abstract: A mammography apparatus has at least one x-ray source to emit x-ray radiation and an x-ray detector with a number of pixels. The mammography apparatus is designed so that the x-ray radiation is emitted into the breast tissue of a patient at a number of positions, and the x-ray radiation is detected by the x-ray detector after it has passed through the breast tissue. The positions have different distances from the shoulder-to-shoulder axis of the patient.

Abstract: In a method and an apparatus for medical imaging, the radiation source is aligned relative to a detector plate, and the alignment is controlled so that the high-energy being emitted the radiation source always strikes the detector plate with a symmetrical distribution relative to a central ray of the radiation source.

Abstract: In a method and system for monitoring the power state of an x-ray emitter and/or an x-ray detector, the x-ray emitter is operated according to a set of test parameters, so as to emit x-rays that strike at least a portion of the detector region of the x-ray detector. At least one value characterizing the operation of the x-ray emitter and/or the x-ray detector is determined, and this detected parameter is compared with a comparable reference parameter value. The power state of the x-ray emitter and/or the x-ray detector is determined based on deviation of the detected parameter from the reference parameter.

Abstract: For noise correction in connection with a flat-panel x-ray detector (2), noise signals of a dark area (6) are checked for deviations exceeding a specified threshold (g) which, if any are present, will be taken into consideration separately for calculating the correction factor derived from the noise signal. Image artifacts due, for example, to high-contrast objects such as, for instance, cardiac pacemakers or metallic implants, in the x-ray image will be avoided through this measure.

Abstract: A compression unit of a mammography apparatus includes an arrangement to tension at least one compression band in a first fixing unit and second fixing unit arranged on both sides of a subject table.

Abstract: A miniature X-ray tube for intravascular or intracorporeal radiation treatment in living beings is proposed. The X-ray tube comprises a cylindrical housing section with a longitudinal axis. The miniature X-ray tube also comprises a cylindrical or cylindrical-tube-shaped first field emission cathode arranged concentrically about the longitudinal axis in the housing with a plurality of carbon nanotubes which emit electrons radially outward. The miniature X-ray tube also comprises a second field emission cathode in the housing with a plurality of carbon nanotubes which emit electrons in the direction of longitudinal axis. The miniature X-ray tube only emits little heat and is robust against mechanical stresses.

Abstract: In order to ensure the preparation of an undistorted X-ray image of an examination image by an X-ray detector including an active pixel matrix with at least two detector plates, a method is provided. In at least one embodiment, a method for correcting a raw X-ray image includes changing, as a function of a deviation between correction values from pixel readout elements of a first detector plate and correction values from pixel readout elements of at least one further detector plate, the correction values of pixel readout elements of at least one detector plate, or preparing new correction values for the pixel readout elements of at least one detector plate. Further, the method in at least one embodiment includes carrying out a correction of the raw X-ray image with the changed correction values, or a carrying out a correction with the original correction values and the new correction values.

Abstract: A medical radiological system has a radiological device with at least one element that can be electrically adjusted in order to allow an adaptation of the radiological device to body dimensions of a patient to be examined. The radiological device has a controller with an interface that receives a patient parameter set from a computer, with which patient data are processed and stored. The controller calculates a desired position of the element from the received patient data set, and automatically controls positioning of the element by electrically adjusting the element to the desired position.

Abstract: To reduce quality losses in edge areas of an X-ray image, caused by temperature fluctuations, an X-ray detector (1) is arranged with a scintillator (2) for converting X radiation into light and with an active matrix (3) of pixel readout elements, arranged behind it in the direction of X radiation, in such a manner that the active matrix (3) is shielded in an optically opaque manner with respect to the scintillator (2) in at least one edge area (6) of the cross-over area of the scintillator (2) and the active matrix (3); in particular, the optically opaque shielding is suitable for forming a dark reference zone (5) when the scintillator (2) is present.

Abstract: For a uniform image quality of digital X-ray records, a solid-state detector is provided. The detector includes light-sensitive pixel elements arranged in an active matrix, and a reset light source arranged behind them in the radiation direction of X-ray radiation, with the reset light source being in the form of an arrangement with light-emitting diodes and with the light-emitting diodes being designed such that can be driven individually and their intensity can be controlled individually. At least one of a failed and malfunctioning light-emitting diode is detectable. The intensities of the serviceable light-emitting diodes are driven and controlled in the event of a failure or a malfunction of at least one light-emitting diode in such a manner that the intensity and/or the homogeneity of the reset light source remains the same.

Abstract: In order to achieve a consistently good image quality, an X-ray device has an X-ray source in the form of an X-ray radiator (1) and an X-ray detector (2) with a precisely defined mutual arrangement, and a subsystem (5-7; 10-11) for detecting any deviation between the actual mutual arrangement and the precise mutual arrangement of X-ray source and X-ray detector (2). Optical detection of deviations is preferably provided.

Abstract: A detector holder for a flat panel x-ray detector has a mechanical plug interface that allows flat panel x-ray detectors of respectively different types to be connected to and held by the detector holder. An x-ray system equipped with such a detector holder can be used flexibly for different applications respectively requiring different types of flat panel x-ray detectors. The type of the flat panel x-ray detector currently retained by the detector holder can be automatically detected and used by the data processor that processed output signals from the currently-employed flat panel x-ray detector.

Abstract: In a method and system for monitoring the power state of an x-ray emitter and/or an x-ray detector, the x-ray emitter is operated according to a set of test parameters, so as to emit x-rays that strike at least a portion of the detector region of the x-ray detector. At least one value characterizing the operation of the x-ray emitter and/or the x-ray detector is determined, and this detected parameter is compared with a comparable reference parameter value. The power state of the x-ray emitter and/or the x-ray detector is determined based on deviation of the detected parameter from the reference parameter.

Abstract: A compression device has a compression plate that applies a pressure to a subject on a support plate. The compression plate has a number of elastically-deformable compression plate elements that are substantially transparent for an examination field used with the compression device. In a method for compressing a subject, at least one pressure sensor measures the pressure applied by a compression device to a subject, and wirelessly supplies a signal representing the detected pressure to a control unit, wherein the detected pressure is compared to a stored compression pressure value. The control device adjusts the pressure applied to the subject by the compression device so that the pressure detected by the sensor is equal to the stored compression pressure value.

Abstract: In a method and an apparatus for medical imaging, the radiation source is aligned relative to a detector plate, and the alignment is controlled so that the high-energy being emitted the radiation source always strikes the detector plate with a symmetrical distribution relative to a central ray of the radiation source.

Abstract: In order to make it possible for a patient to easily and safely mount a patient table in a manner which requires little effort, at least one, especially extendable and retractable and/or fold-up and fold-down step is integrated into a patient mounting aid in the inventive patient table. In the inventive method there is provision for the at least one step initially to be extended and/or folded down, then for a beginning of the examination to be automatically determined and finally for the at least one step to be retracted and/or folded up again, depending on the determination of the beginning of an examination.

Abstract: There is described a radiography device for recording dynamic processes and an associated recording method. The radiography arrangement is used to examine patients using an x-ray source, a digital flat detector with a single shot recording function and an operating console for controlling and recording purposes, with the flat detector also being able to display an image sequence at a rate of up to 5 Hertz, which allows the positioning of the region to be examined or the monitoring of pseudo-interventional interventions.