Abstract: A radiation imaging apparatus comprising: a signal generation unit configured to generate a signal value corresponding to charges detected by a radiation detector; an acceleration detection unit configured to detect acceleration applied to the radiation imaging apparatus; a noise measurement unit configured to measure a noise value based on the detected acceleration; a reduction unit configured to reduce the noise value from the signal value; and a radiation irradiation determination unit configured to determine radiation irradiation based on the noise-reduced signal value.

Abstract: Provided are a medical imaging apparatus and a method of reconstructing an image capable of selecting an image reconstruction mode. The method of reconstructing an image using a medical imaging apparatus may include displaying a user interface indicating at least one of a first mode for reducing time required for reconstruction of the image and a second mode for acquiring the image with high resolution, receiving an input selecting one of the first mode and the second mode as a selected mode, displaying at least one reconstruction option corresponding to the selected mode, receiving another input selecting at least one reconstruction option among the at least one displayed reconstruction option, and reconstructing the image according to the at least one selected reconstruction option and selected mode.

Abstract: A method of non-destructively inspecting a mechanical part includes directing high energy electromagnetic radiation emitted by a source onto the part for inspection and picking up the radiation that has passed through the part. A mask that absorbs the radiation is interposed between the source and the mechanical part and includes at least one opening in alignment with the source and a given zone for inspection of the part, a shape and dimensions of the opening being determined so that only the given zone for inspection of the part is exposed to the electromagnetic radiation.

Abstract: A method and apparatus of image reconstruction attenuation correction in PET or SPECT cardiac imaging is provided. A volumetric attenuation imaging scan by an X-ray source may be used to generate a gamma ray attenuation map. The volumetric attenuation imaging scan may be randomized, and may be performed while the imaged subject is breathing.

Abstract: Apparatus for wirelessly controlling a guided imaging system based upon the relative motion of the user. The system includes a power supply, a memory, an x-ray source, an image intensifier and a wireless transceiver coupled to the image intensifier. A separate wireless input device comprising a wireless transmitter for communicating with the wireless transceiver of the imaging system may comprise one or more sensors capable of detecting force and directional movement. This detection of movement may then be transmitted to the imaging system and translated into position signals that may direct movement and position of the image intensifier (I-I) as part of the imaging system.

Abstract: An x-ray imaging apparatus comprises a platform connected to a frame, a sliding bar, a detector mounted on the sliding bar, an x-ray source, and a control system. The x-ray source includes a collimator to generate an x-ray exposure window. The control system is configured to slide the detector along the sliding bar and synchronously move the collimator to direct the x-ray exposure window to the first detector. The x-ray exposure window movements are registered to the detector movements. The detector interfaces with a processor that processes x-ray image data received from the detector, and generates at least one x-ray image from the x-ray image data.

Abstract: A mobile C-arm is able to be positioned in a predetermined alignment by a positioning unit and an associated method. The apparatus has a positioning unit containing a controllable section having at least a first hinged bracket and a first hinge and is able to be positioned with a removable connection to the medical device at a determinable location. The medical device is able to be positioned at a predetermined location by means of the positioning unit.

Abstract: The present disclosure provides systems and methods for evaluating a brain scan using reference data. Specifically, the systems and methods include a computed tomography (CT) scanner for the purpose of diagnosing concussions or mild traumatic brain injuries (mTBI). The system includes a multi-energy x-ray source (i.e., spectral CT), a photon counting x-ray detector, and a content-aware computer aided diagnostic (CAD) algorithm designed to detect imperceptible changes indicative of structural and physiological damage caused by a concussive event by comparing raw volumetric datasets of baseline (healthy) reference scan data to patient scan data taken after a concussive event.

Abstract: A chiller-less cooling system for cooling an interventional detector comprising a detector housing. The detector housing comprising a detector tray to which the detector is attached, a lift frame on which a driving mechanism is installed to lift up/down the detector housing, a connecting arm to connect the detector tray and the lift frame, and a cover. The cooling system comprising a heat pipes connecting the detector tray and the lift frame so as to reduce a thermal resistance between the detector tray and the lift frame and transfer more heat from the detector, an external heat sink connected with the heat pipe for reducing a thermal resistance between the lift frame and an ambient environment, and a high heat transfer coefficient device embedded into the detector tray for collecting heat leading to the heat pipe, obtaining a uniform temperature distribution, and reducing a thermal resistance of the detector tray.

Abstract: Embodiments of methods and/or apparatus for a radiographic imaging system can include a radiographic detector including an image receptor to receive incident radiation and generate uncorrected electronic image data; a storage device to store calibration data at the detector, and a processor to generate calibration-corrected image data from the uncorrected electronic image data and the calibration data. The calibration-corrected image data can be further processed by the processor to perform image processing before transmitting a corrected image (e.g., DICOM image) to the radiographic imaging system. The detector can further include a display to display imaging system controls or the corrected image.

Abstract: Techniques are described for managing interactions between workflows being performed by different applications, such as to enable a combination of multiple workflows in multiple applications of different types to aggregate varying capabilities available from the different types of applications. In some situations, an integrated workflow is created by separating portions of its functionality into multiple constituent workflows that is each performed by a different application and that initiate one or more inter-workflow interactions between the constituent workflows as they are performed (e.g., for one of the constituent workflows to, while it is being performed, invoke another constituent workflow in order to begin its performance).

Abstract: An apparatus has a patient support, a rotatable gantry supporting a source of imaging radiation, and a radiation detector that operates in a cyclical pattern of an exposure phase followed by a readout phase. For a first detector cycle in which the gantry has a first angle of rotation, the source of radiation is controlled to emit a first radiation beam pulse during the exposure phase, and respective first imaging data is read out during the readout phase. For a second, subsequent detector cycle, it is determined if the gantry has rotated through at least a threshold angular displacement relative to said first angle of rotation, and if so, the source of radiation is controlled to emit a second radiation beam pulse during the exposure phase, and respective second imaging data is read out during the readout phase.

Abstract: Systems and methods for rotating X-ray devices are disclosed. The systems and methods use X-ray devices with an X-ray imaging arm orbitally rotating about pivot joints that are physically attached to the X-ray imaging arm. The pivot joint coincides with the center of gravity for the X-ray imaging arm. The X-ray device has an X-ray imaging arm with an X-ray source and detector respectively disposed at nearly opposing locations of the imaging arm. The pivot joint can serve as an axis of orbital rotation around which the imaging arm pivots. The pivot joint can be pivotally attached to a first end of an X-ray imaging arm fork, which has a second end attached to an X-ray imaging arm support structure. The imaging arm fork can include a lateral pivot joint that provides a lateral axis of rotation for the imaging arm. The fork can contain one or two arms.

Abstract: Various embodiments relate to a method of performing microbeam radiation therapy on a subject, including: producing a high-energy radiation beam in a first direction; producing planar microbeams using the high-energy radiation beam in the first direction, wherein the microbeams have a width, wherein the planar microbeams produce scattered electrons; and applying a magnetic field in a direction lying in a plane substantially parallel to the planar microbeams, wherein the strength of the magnetic field corresponds to the width of the microbeam.

Abstract: In order to achieve reductions in the size and weight of an arm while ensuring the strength, an X-ray diagnostic apparatus includes an X-ray generation unit, an X-ray detection unit, an arm having an arch shape which supports the X-ray generation unit and the X-ray detection unit, and at least one reinforcing member which has a higher elastic modulus than the arm and a sheet-like shape and is fixed to the arm.

Abstract: A cross arm for X-ray equipment. The cross arm comprises a guide on the cross arm, a tube on the guide, and a linkage device, wherein the tube is configured to move along the guide when the cross arm rotates.

Abstract: According to one embodiment, a holding apparatus includes an arcuated arm, a first roller, and a second roller. The arcuated arm is provided with a guide groove along the outer surface, has a hollow portion inside, and holds the X-ray generator and X-ray detector while making them squarely face each other. The first roller runs in the hollow portion in contact with the inner wall of the hollow portion on the outer surface side. The second roller runs in the guide groove while being fitted in the guide groove, and holds the arm together with the first roller so as to allow the arm to slide along the arcuated direction.

Abstract: A C-arm x-ray device includes a C-arm and an x-ray source and an x-ray detector arranged on the C-arm. At least one damping element with an oscillation-damping effect is arranged between the x-ray source and the C-arm. Transmission of oscillations of the x-ray source onto the C-arm may be reduced with the at least one damping element. The C-arm x-ray device also includes at least one holding element arranged on the C-arm. The oscillation-damping effect of the at least one damping element may be influenced.

Abstract: The present invention pertains to an apparatus and method for delivering radiation to a human patient or other mammal. A scanning electron beam x-ray source is used and the detector can be a photon counting detector. The area of the detector is less than the area of field of view in the patient. Tomosynthesis can be used to generate images and images can be produced rapidly in real time.

Abstract: An x-ray imaging apparatus comprises a platform connected to a frame, a sliding bar, a detector mounted on the sliding bar, an x-ray source, and a control system. The x-ray source includes a collimator to generate an x-ray exposure window. The control system is configured to slide the detector along the sliding bar and synchronously move the collimator to direct the x-ray exposure window to the first detector. The x-ray exposure window movements are registered to the detector movements. The detector interfaces with a processor that processes x-ray image data received from the detector, and generates at least one x-ray image from the x-ray image data.

Abstract: A lift table provides stability and portability for a radiation measurement scanning system. The lift table may be fixed for radiation measurement or configured for storage. Further, the lift table may be easily disassembled and assembled to allow efficient transporting. The lift table supports a multiple axes scanning system for measuring radiation from a radiation source, such as a linear accelerator (LINAC) and includes a leveling platform, all of which are provided by a desirable weight and portability.

Abstract: A multiplane medical imaging system is provided. The multiplane medical imaging system comprises a first X-ray machine and a second X-ray machine, each X-ray machine comprising an X-ray tube and an X-ray detector, wherein the first and second X-ray machines each comprise respective mobile automatic devices on which the respective X-ray tubes and the respective X-ray detectors are mounted in order to control the movement of the first and second X-ray machines.

Abstract: A supporting device is provided for a radiation source and a radiation detector, as well as an imaging device having a supporting device. The supporting device contains a base unit, a guidance device with a first segment and a second segment, and a first support arm. The first segment is rotatably arranged at a first rotation connection at the first support arm. The first support arm is pivotably arranged at the base unit of the supporting device such that, by a pivot movement of the first support arm, the first segment can be moved from a first position in which the segments make contact with one another, into a second position in which the segments are separated from one another.

Abstract: The subject matter disclosed herein relates to X-ray imaging systems, and more specifically to digital X-ray imaging systems. In one embodiment, an imaging system includes an X-ray source configured to emit X-rays. The imaging system also includes an X-ray detector configured to detect the emitted X-rays and produce a corresponding electrical signal. The imaging system also includes a gantry configured to at least partially revolve the X-ray source and the X-ray detector about a primary rotational axis. The X-ray detector is coupled to the gantry so that a diagonal of the X-ray detector is oriented substantially perpendicular to the primary rotational axis.

Abstract: An imaging apparatus having a ring-shaped gantry is provided. The gantry has a rotor arrangement rotating therein and a radiation source as well as at least one radiation detector. The gantry has at least one gantry segment which can be detached from the ring shape to allow the gantry to be opened laterally. The gantry is arranged on a supporting structure so as to be movable in space. The supporting structure is a ceiling-mounted stand having at least two degrees of freedom of movement. The gantry has at least two radiation sources disposed offset by an angle on the rotor arrangement and associated with each of which is at least one radiation detector.

Abstract: Medical imaging equipment is provided. The medical imaging equipment comprises a support assembly, an arc-shaped member slidably mounted on the support assembly, a radiation source mounted on the arc-shaped member in the vicinity of a first distal end of the arc-shaped member and being oriented to radiate along the direction of an imaging axis, and a detector mounted on the arc-shaped member in the vicinity of the second distal end of the arc-shaped member and being oriented to face the source along the imaging axis, wherein the radiation source and the detector are respectively mounted on one side and the other of the mid plane of the arc-shaped member.

Abstract: Systems and methods for braking and releasing one or more pivot joints used in an X-ray positioning device are described. The systems and methods use a support arm that extends between a main assembly of the x-ray positioning device and an X-ray imaging assembly with an X-ray source and an X-ray detector that are disposed nearly opposite to each other. The support arm includes one or more pivot joints (such as horizontal, lateral, and/or orbital pivot joints) that allow the imaging assembly to move with respect to the main assembly. The pivot joints can each be connected to an automated braking system that is capable of selectively locking and unlocking a corresponding pivot joint, as indicated by a user-controlled switching mechanism. The braking systems containing multiple pivot joints can be individually controlled by separate switching mechanisms or simultaneously controlled by a single switching mechanism. Other embodiments are described.

Abstract: The apparatus includes: an X-ray source a multi slits element a first grating; a second grating; a driving section; a subject placing plate: and an X-ray detector, in which conversion elements to convert intensities of X-rays received thereby to electric signals, are arranged in a two-dimensional pattern so as to read the electric signals as image signals. The driving section moves the multi slits element relative to both the first grating and the second grating in a first direction orthogonal to a second direction of irradiating the X-rays, so that the X-ray detector repeats a processing for reading the electric signals converted from the intensities of X-rays received thereby, every time when the multi slits element moves at predetermined intervals so as to acquire the image signals representing Moire images captured at the predetermined intervals.

Abstract: An X-ray imaging apparatus comprises an X-ray generation unit; a plurality of supporting members configured to support the X-ray generation unit; and an accommodation unit configured to accommodate the X-ray generation unit and the plurality of supporting members, wherein the accommodation unit is formed by bringing a first member and a second member into contact with each other, each of the plurality of supporting members is connected to the first member by a first connecting portion that is rotatable and to the X-ray generation unit by a second connecting portion that is rotatable, and a support height of the X-ray generation unit supported by the supporting members can be adjusted in accordance with a distance between the first member and the second member.

Abstract: An apparatus and method for inspecting personnel or their effects. A first and second carriage each carries a source for producing a beam of penetrating radiation incident on a given subject. A positioner provides for relative motion of each beam vis-à-vis the subject in a motion, the vertical component of which is one-way. A detector receives radiation produced by at least one of the sources after the radiation interacts with the subject.

Abstract: A rotor of a computed tomography apparatus has a rotatable mechanical support frame for mechanical retention of electrical components and electrical connection elements for electrical connection with electrical components of the computed tomography apparatus, with the electrical connection elements arranged in at least one backplane bus. A rotating unit and a computed tomography apparatus embody such a rotor.

Abstract: The present invention relates to a rotating ring apparatus comprising: —a stationary ring (1), —a rotating ring (2) for rotation around a central region (3), —a rotation unit (4, 5) for radially bearing and rotating said rotating ring (2) with respect to the stationery ring (1), said rotation unit including a stationary induction element (4) mounted on said stationery ring (1) and a rotating induction element (5) mounted on said rotating ring (2), and —a controller (8) for controlling said rotation unit (4, 5) to rotate and levitate the rotating induction element (5).

Abstract: The present embodiments relate to a radiation generation unit for a therapy system. The radiation generation unit has a radiation source and support components for the radiation source. The radiation generation unit includes a power source and has a mechanical interface, with which the radiation generation unit may be attached to a stand. Degrees of freedom of movement may easily be implemented using a corresponding movement of the radiation generation unit.

Abstract: A device includes a radiation tunnel in which an X-ray source and a detector unit are disposed, the detectors of which are aligned with the X-ray source so as to detect transmitted radiation for detecting suspicious objects. Disposed in the radiation tunnel is a frame which can be moved over an examination region and has two supports which extend at a spacing parallel to each other and are rigidly connected to each other, the radiation source being secured on one vertical support and the detector unit being secured on the other vertical support.

Abstract: An X-ray imaging apparatus includes a multi X-ray source which includes a plurality of X-ray focuses to generate X-rays by irradiating X-ray targets with electron beams, a detector which detects X-rays which have been emitted from the multi X-ray source and have reached a detection surface, and a moving mechanism for moving the multi X-ray source within a plane facing the detection surface. The X-ray imaging apparatus acquires a plurality of X-ray detection signals from the detector by causing the multi X-ray source to perform X-ray irradiation while shifting the positions of a plurality of X-ray focuses which the detector has relative to the detection surface by moving the multi X-ray source using the moving mechanism. The apparatus then generates an X-ray projection image based on the plurality of X-ray detection signals acquired by the detector.

Abstract: An X-ray imaging apparatus comprises an X-ray source; a housing configured to accommodate the X-ray source; and a plurality of supporting legs each connected to the housing via a movable connecting portion and configured to support the housing, wherein each of the supporting legs can change, by the movable connecting portion, a support angle made by a ground plane and the supporting leg.

Abstract: An X-ray imaging apparatus is provided having advantages of both C-shaped, G-shaped, and ring-shaped arm configurations. The device consists of a gantry that supports X-ray imaging machinery. The gantry is formed to allow two bi-planar X-rays to be taken simultaneously or without movement of the equipment and/or patient. The gantry is adjustable to change angles of the X-ray imaging machinery. Further, in some embodiments, the X-ray receptor portion of the X-ray imaging machinery may be positioned on retractable and extendable arms, allowing the apparatus to have a larger access opening when not in operation, but to still provide bi-planar X-ray ability when in operation.

Abstract: A CT scanner gantry comprises a base with a tiltable frame holding a rotating part, the rotating part having a rotation axis and drive means for tilting the tiltable frame with respect to the base. Furthermore, a tilt drive control unit is provided to control the drive means. In inclination sensor is provided at the tiltable frame to indicate the inclination of the tiltable frame with respect to the center of gravity of earth to the tilt drive control unit.

Abstract: The claimed subject matter describes a novel technique to measure the beam profile using an area detector. In one embodiment, a set of one-dimensional beam profile measurements is performed by taking two images under the same source conditions but at two different positions of the detector, with each position of the detector shifted by a certain distance in the direction corresponding to the direction of the one-dimensional profile measurement. In further embodiments, a set of two-dimensional beam profile measurements is achieved by determining a second set of one-dimensional profiles from the same sampling points in a second direction and building a two-dimensional map of the beam profile by correlating the first one-dimensional profile measurement with the second one-dimensional profile measurement.

Abstract: An X-ray photographing device includes an X-ray irradiating unit (10) for irradiating an object (5) with an X-ray beam (6) having a slit shape from a source (11a), and an imaging member (7) provided with a surface (7a) to receive the X-ray beam. A pivot drive unit causes the irradiating unit (10) and the imaging member (7) to pivot about a pivoting center line (La) around the object (5), and a sub-drive unit (30) causes the imaging member (7) to have a local motion in a circumferential direction with a shift width (Mw). A width (W2) of the surface (7a) in the circumferential direction is smaller than the shift width (Mw) and the local motion is a local rotation motion made on the rotation center line (Lc). This configuration reduces the cost of the device, reduces vibrations of the imaging member (7), and enhances operating efficiency.

Abstract: An x-ray imaging system and method for providing three-dimensional data representing the contents of an object. An x-ray source and x-ray screen are used to acquire multiple x-ray images of the object from different perspectives. The different perspectives are obtained by placing the x-ray source at one end of a moveable arm. These images are processed by back-projecting each perspective image at known distances between the object and the x-ray source, and superimposing the back-projected images at each distance, thereby providing a set of image slices of the object along the z-axis.

Abstract: Systems and methods for braking and releasing one or more pivot joints used in an X-ray positioning device are described. The systems and methods use a support arm that extends between a main assembly of the x-ray positioning device and an X-ray imaging assembly with an X-ray source and an X-ray detector that are disposed nearly opposite to each other. The support arm includes one or more pivot joints (such as horizontal, lateral, and/or orbital pivot joints) that allow the imaging assembly to move with respect to the main assembly. The pivot joints can each be connected to an automated braking system that is capable of selectively locking and unlocking a corresponding pivot joint, as indicated by a user-controlled switching mechanism. The braking systems containing multiple pivot joints can be individually controlled by separate switching mechanisms or simultaneously controlled by a single switching mechanism. Other embodiments are described.

Abstract: An x-ray system having a C-arm 1 and an associated method are provided. The x-ray system includes at least one adjustment unit for at least one component of the x-ray system that is actively connected to the C-arm. The at least one adjustment unit compensates for a spatial change in position of the component caused by deformation and/or oscillation of the C-arm.

Abstract: An X-ray apparatus is provided. The Xpray apparatus has a C-arm on which an X-ray source and an X-ray detector can be mounted opposite one another, at least one actuator for positioning the C-arm relative to a patient table, and a control device for controlling the actuator. The X-ray apparatus includes at least one sensor which detects a deformation of the C-arm at a first position of the C-arm and converts it into an output signal, the deformation of the C-arm being influenceable by a force exerted by an operator and applied directly or indirectly at a second position on the C-arm. The control device influences the actuator as a function of the output signal of the sensor. A method for controlling the movement of an X-ray apparatus is also described.

Abstract: A mobile radiography apparatus has a moveable (e.g., wheeled) transport frame and an adjustable column mounted at the frame. A boom apparatus supported by the adjustable column can support an x-ray source and can be coupled to a second display (also adjustably mounted). The second display and a first display can each be configured to control the mobile radiography apparatus and display items such as but not limited to (a) obtained images and/or related data or (b) a control panel to allow functions such as generating, storing, transmitting, modifying, and printing of the obtained images.

Abstract: An X-ray facility has at least one x-ray emitter, an x-ray detector and an isocenter arranged along a central beam path between the x-ray emitter and the x-ray detector. The x-ray emitter and the x-ray detector are arranged on separate support arms. At least one rotary device is provided on each support arm, by way of which the x-ray emitter or the x-ray detector can be rotated about an axis of rotation intersecting the isocenter and not corresponding to the central beam. Wherein the axes of rotation match rotary devices assigned to one another on different support arms.

Abstract: An X-ray imaging apparatus is provided. The X-ray imaging apparatus comprises an imaging assembly mounted on a rotary arm, the imaging assembly comprising an X-ray source and an X-ray detector coupled to the rotary arm so that X-rays emitted by the X-ray source are incidental to the X-ray detector. The X-ray imaging apparatus further comprises a first vibration measurement device coupled to the X-ray source and a second vibration measurement device coupled to the X-ray detector, and a first actuator and a second actuator configured to move the X-ray source and the X-ray detector to suppress at least one component of the vibrations measured by the first and second vibration measurement devices.

Abstract: A method for obtaining a 3D image dataset of an object of interest is proposed. A plurality of 2D X-ray images are captured and a 3D reconstruction is carried out using filtered back projection. The projection parameters have been measured with the aid of a calibrating phantom, possibly using an interpolation or extrapolation of such measurements. A model of effect strings of the components in an X-ray imaging device is obtained, and the model parameters are identified based on imaging of a calibrating phantom. A projection matrix can then be calculated for any positions on any desired trajectories, without having to use imaging of a calibrating phantom at precisely that position and desired trajectory.

Abstract: A system for subsea imaging comprises a first plate having an inner surface, an outer surface, and a cavity formed in the inner surface. In addition, the system comprises a phosphor imaging plate disposed in the cavity. Further, the system comprises a second plate having an inner surface facing the inner surface of the first plate and an outer surface facing away from the outer surface of the first plate. Still further, the system comprises a seal member disposed between the inner surface of the first plate and the inner surface of the second plate. The seal member extends around the perimeter of the cavity and is configured to seal the phosphor imaging plate and the cavity from intrusion water.

Abstract: In order to provide an X-ray apparatus and an X-ray image diagnostic apparatus that reduce uncomfortable feeling due to exhaust heat generated when air-cooling an X-ray tube device, the X-ray image diagnostic apparatus is comprised of an X-ray tube, the X-ray tube device 102 including the X-ray tube device housing that accommodates the X-ray tube, the X-ray detector 103 that detects an X-ray generated from the X-ray tube device, and the arm 101 that supports the X-ray tube device 102 and the X-ray detector 103 with them facing each other, the X-ray tube device 102 and the X-ray detector 103 are located respectively on an end side and the other end side of the arm 101, and the first air flow path 104 where air passed through the outer surface of the X-ray tube device housing 402 flows inside the arm 101 is formed.