Abstract: A radiation system includes a first ring, a radiation source capable of providing radiation suitable for treating a patient, the radiation source secured to the first ring, a second ring located behind the first ring, and an imager secured to the second ring. A radiation system includes a first device having a radiation source capable of generating a radiation beam suitable for treating a patient, and a second device having imaging capability, wherein the first device is oriented at an angle that is less than 180° relative to the second device. A radiation system includes a structure having a first opening, a radiation source rotatably coupled to the structure, an imaging device rotatable relative to the structure, and a processor for controlling a rotation of the radiation source and a rotation of the imaging device, wherein the radiation source is rotatable relative to the imaging device.

Abstract: To facilitate handling of an X-ray imaging system capable of selecting plural radiation imaging apparatuses, a radiation imaging control apparatus manages configuration information indicating whether a first communication unit of an X-ray imaging unit operates as a master unit or a slave unit, and transmits the configuration information to the X-ray imaging unit. The X-ray imaging unit selects whether to operate as the master unit or the slave unit according to the transmitted configuration information.

Abstract: Disclosed is a tumor surface dose enhancing radiotherapy apparatus using a magnetic field, including a radiation beam generating unit that irradiates a radiation beam towards a tumor of a patient, a magnetic field generating unit that forms a magnetic field that is parallel to the radiation beam between the radiation beam generating unit and the tumor of the patient, and a control unit that controls a surface dose of the tumor by adjusting an intensity and an effective area of the magnetic field of the magnetic field generating unit.

Abstract: A videofluoroscopy accessory device adapted to securely and removably attach to an X-ray head of a fluoroscopy system or device. The videofluoroscopy accessory device on the current invention provides a platform for enhancing and supplementing the surgical environment with additional accessories. The accessories that could be used with the present invention include but are not limited to lights, cameras, microphones, and other medical equipment/tools for optimizing the surgical environment.

Abstract: The invention relates to a model for use in an imaging technique based on an interaction of the model with an electromagnetic radiation. The model comprises a plurality of volume elements. The interaction intensities of two neighboring volume elements are distinguishable by an imaging technique. The model comprises first volume elements made of a supporting material, and second volume elements are made of a supporting material and a contrast material and exhibit a higher interaction intensity with the electromagnetic radiation than the first volume elements because of the presence of contrast material. The second volume elements have been generated by a printing method. The invention further relates to a method for fabricating the model by 3D printing.

Abstract: A system for displaying an image includes at least one x-ray source for emitting radiation, a detector for acquiring the radiation emitted by the radiation source for generating an x-ray image, the detector being disposed opposite the radiation source in relation to an object to be examined, a computer unit for performing computational operations, a display device for displaying x-ray images acquired by the detector and at least one data acquisition unit for acquiring surface information of the object to be examined. The data acquisition unit is disposed on the detector side and the computer unit is configured to correlate the data acquired by the detector-side data acquisition unit with the x-ray image.

Abstract: A medical system includes a plurality of movable elements, a first control element for controlling a first type of movement and at least one further control element for controlling a further type of movement. The first control element is assigned to a first number of movable elements for controlling the first type of movement and the further control elements are assigned to a further number of movable elements for controlling the further type of movement. The control elements each include an input unit having at least two selection elements for selecting the movable element to be controlled.

Abstract: A CT system for a computed tomography examination is disclosed. In an embodiment, the CT system includes at least one mobile control element for control of the CT system, wirelessly connected to the CT system. At least one position and range determination facility is provided to determine the current position of the at least one control element in a range around the CT system. Furthermore, a method is disclosed for the position and range determination of a mobile control element for control of a CT system. A control and computing unit of a CT system are also disclosed.

Abstract: A filter is disclosed for the spectral filtration of X-rays emanating from an X-ray source which cross an object under examination and are detected by an X-ray detector in at least two different spectral regions. After crossing the object under examination, the X-rays have an energy spectrum which displays a characteristic distribution for the anode material of the X-ray source. In an embodiment, the filter is configured to suppress part of the energy spectrum comprising the focal point of the energy spectrum. A corresponding X-ray system and method are also disclosed.

Abstract: An X-ray emitter has an X-ray tube which contains a vacuum envelope in which an emitter and an anode are disposed. The emitter can be heated by an external flat emitter filament supply. Accordingly the emitter is configured as a filament emitter and an interface circuit is arranged between the filament emitter and the flat emitter filament supply. In this manner, a flat-emitter-based X-ray emitter can be replaced by a filament-emitter-based X-ray emitter in an X-ray emitter system without any configuration changes.

Abstract: Methods of two-dimensional x-ray imaging of a target volume and tracking a target structure contained within a target volume are described.

Abstract: A phase contrast imaging apparatus (MA) and related image processing method. The imaging apparatus includes a movable arm (AR) that carries a detector (D) and one or more interferometric gratings (G0,G1,G2). The imaging apparatus includes a rigidizer (RGD) to control the rigidity of at least the arm (AR) or a mounting (GM) for the gratings (G0,G1,G2). This allows controlling a drift of a Moiré pattern as detected in a sequence of readouts. A phase of the so controlled Moiré pattern can be used to calibrate the imaging apparatus by using the image processing method.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes a bed that has a top board on which an object is placed, a console configured to manipulate an actuation of the bed in an inverting direction, in which the object is inclined to locate a head lower than a foot, and an actuation of the bed in a raising direction, in which the object is inclined to locate the head higher than the foot, and a processing circuitry configured to receive an input from the console and control an actuation of the bed, and the processing circuitry determines whether the head of the object is located closer to one shorter side of the bed or to another shorter side of the bed, and changes a control of an actuation of the bed programmed in the console based on a result of the determination.

Abstract: An X-ray metal grating structure of the present invention has a grating region in which a plurality of first structural portions are periodically provided, wherein an air gap is formed between each of the plurality of first structural portions and a second structural portion as a remaining part of the grating region other than the plurality of first structural portions. Thus, the X-ray metal grating structure of the present invention is formed as a grating structure having high flatness. A production method therefor comprises a step of forming the air gap between the first structural portion and the second structural portion. Thus, the production method makes it possible to produce an X-ray metal grating structure having high flatness. The present invention further provides an X-ray metal grating unit and an X-ray imaging device each comprising the X-ray metal grating structure.

Abstract: The present invention relates to an X-ray imaging apparatus that includes a bias voltage source that provides a bias voltage to pixels that detect X-rays and an automatic exposure control (AEC) processing unit that detects a current flowing between the bias voltage source and the pixels and outputs an AEC signal.

Abstract: An X-ray CT apparatus includes a table-top, an X-ray tube, a detector and a processing circuitry. The processing circuitry reconstructs a CT image based on a detection signal. The processing circuitry sets a field of view based on positions of a puncture needle and a puncture target on the CT image. The processing circuitry controls an X-ray irradiation coverage based on the field of view, the X-ray irradiation coverage being an area irradiated with the X-rays. The processing circuitry displays a CT image reconstructed in the field of view on a display, after the X-rays based on the X-rays whose irradiation coverage is controlled emitted and the detection signal is outputted.

Abstract: An intraoral x-ray imaging sensor includes an electronic interface substrate which has a first surface and a second surface and is substantially rectangular with a mesial end and a distal end and a semiconductor imager which is mechanically and electrically coupled to the electronic interface substrate and which has a first surface and a second surface. The semiconductor imager consists of a silicon layer having an array of detector elements formed on its the first surface and is substantially rectangular with a mesial end and a distal end. The electronic interface substrate and the semiconductor imager have a first cut corner and a second cut corner at its the distal end. The second surface of the semiconductor imager is disposed adjacent and contiguous to the first surface of the electronic interface substrate. The intraoral x-ray imaging sensor also includes a plurality of first electrical pads, a plurality of second electrical pads and a plurality of bond wires.

Abstract: A method, apparatus and system for profiling a material composition of a volume is disclosed. A beam source directs a pulsed beam of electromagnetic energy from into the volume. A plurality of backscattered beams is received at a detector. The plurality of backscattered beams is generated from a plurality of depths within the volume in response to interactions of the directed pulsed beam at the plurality of depths. A processor performs range gating of the plurality of backscattered beams to obtain a depth profile of backscattered intensity within the volume and estimates a material composition at different depths of the volume from the generated depth profile.

Abstract: A method for continuously evaluating an X-ray unit. The method includes placing an X-ray sensor converter having a photo diode and a scintillation crystal in a path of an X-ray beam emitted by the X-ray unit, using the X-ray sensor converter to convert an X-ray beam energy into an electric signal, providing an amplifier connected to the X-ray sensor converter, conveying the electric signal from the X-ray sensor converter to the amplifier, amplifying the electric signal with the amplifier, and measuring a spectrum of the X-ray tube energy by continuously sampling and quantifying the amplified electric signal.

Abstract: The invention relates to the field of the analysis of objects by x-ray diffraction spectroscopy. One subject of the invention is a device for analyzing an object by x-ray diffraction spectroscopy, comprising a collimator the shape of which allows various portions of an object to be analyzed simultaneously. To do this, the collimator includes channels inclined with respect to an axis, called the central axis of the collimator, in such a way that various channels address various elementary volumes distributed through the object. Another subject of the invention is a method allowing an object to be analyzed using such a device. The object may for example be a biological tissue that it is desired to characterize non-invasively and non-destructively.