Abstract: An apparatus is provided for x-ray inspection of a pipeline girth weld. This comprises a directional x-ray source 5 which is insertable into a pipeline section and is rotatable within the pipeline. Means are provided to align the directional x-ray source with an external x-ray detector such that both may be rotated through 360 degrees substantially coaxially with the pipeline section. Means for sampling the data detected by the x-ray detector are provided so that it may be further analyzed.

Abstract: Systems, methods, and related computer program products for image-guided radiation treatment (IGRT) are described. Provided according to one preferred embodiment is an IGRT apparatus including a barrel-style rotatable gantry structure that provides high mechanical stability, versatility in radiation delivery, and versatility in target tracking. Methods for treatment radiation delivery using the IGRT apparatus include conical non-coplanar rotational arc therapy and cono-helical non-coplanar rotational arc therapy. A radiation treatment head (MV source) and a treatment guidance imaging system including a kV imaging source are mounted to and rotatable with a common barrel-style rotatable gantry structure, or alternatively the MV and kV sources are mounted to separate barrel-style rotatable gantry structures independently rotatable around a common axis of rotation.

Abstract: According to one embodiment of the present invention, an X-ray CT device includes: a front dome cover and rear dome cover that include a fixed cover and a plurality of segmented movable covers; a slide mechanism that enables the movable covers to slide relative to the fixed cover; and a dome-diameter driving unit that controls the slide mechanism to change a dome diameter of a gantry dome.

Abstract: An imaging system (100) includes a rotating frame (106), a second frame (102, 104), and a support (108) that rotatably couples the rotating frame (106) to the second frame (102, 104). One of the rotating frame (106) or the second frame (102, 104) is compliantly coupled to the support (108) and the other of the rotating frame (106) or the second frame (102, 104) is rigidly coupled to the support (108). An imaging system includes a rotating frame (106), a tilt frame (104), and a stationary frame (102). A frame stiffener (110) provides structural support for the rotating and tilt frames (106, 104) along transverse axes. An imaging system (100) includes a rotating frame (106) and a second frame (102, 104) that rotatably supports the rotating frame (106). The rotating frame (106) is coupled to the second frame (102, 104) through a contactless bearing and controlled by a contactless mechanism. A braking component (112) selectively applies a brake to the rotating frame (106).

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: A mobile radiography apparatus has a portable transport frame and a sectioned vertical column mounted on the frame and defining a vertical axis and having a base section having a fixed vertical position relative to the vertical axis and at least one movable section that is translatable to a variable vertical position along the vertical axis. A counterbalance apparatus is coupled to the at least one movable section of the vertical column with an actuator that is energizable to translate the at least one movable section along the vertical axis. A boom apparatus supports an x-ray source and is coupled to the at least one movable section for vertical displacement of the boom apparatus to a height position. A height sensing element provides a signal that is indicative of the height position of the boom apparatus.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes at least a tabletop support, an arm, a position storing unit, and a mechanism controlling unit. The tabletop support supports a tabletop movably in a longitudinal direction, a raising/reclining direction, and an upper/lower direction of the tabletop. The arm holds an X-ray tube and an X-ray detector movably in an approaching/separating direction with respect to the tabletop support. The position storing unit stores a photographing position of the arm and a photographing position of the tabletop in association with each other. When the arm is at a retraction position, the mechanism controlling unit moves the tabletop in the raising/reclining direction and the upper/lower direction to maintain a position in at least the upper/lower direction of a region of the object corresponding to a photographing position of the arm stored by the position storing unit.

Abstract: A radiographic apparatus includes an X-ray source unit, a measurement unit configured to measure either one or both of a force and a torque applied to the X-ray source unit, at least one motor configured to move the X-ray source unit, and a system control unit configured to control the at least one motor to move the X-ray source unit according to a direction and a magnitude of the either one or both of the force and the torque measured by the measurement unit.

Abstract: A radiographic imaging system is capturing a radiographic image of a subject. The radiographic imaging system has a radiation detector that detects radiation from which the radiographic image is obtained, a radiation source that irradiates the radiation detector with the radiation, a partition that is disposed adjacent to the radiation detector and that locates the subject at a predetermined position relative to the radiation detector, a distance measuring unit that measures a distance between the partition and the radiation source, a tilt detecting unit that measures a tilt of the partition, and an image processor that corrects the captured radiographic image based on the distance between the partition and the radiation source obtained by the distance measuring unit and the tilt of the partition obtained by the tilt detection unit.

Abstract: The present invention relates to C-arm X-ray imaging. In order to provide C-arm CT image acquisition with an enlarged gating window, a C-arm structure (12) for X-ray imaging is provided, comprising a C-arm (32), a movable C-arm support (34), an X-ray source (36), and an X-ray detector (38). The C-arm comprises a first end (40) and a second end (42), wherein the X-ray source is mounted to the first end and the detector is mounted to the second end. The C-arm is mounted to the C-arm support such that the X-ray source and the detector are movable around an object (44) of interest on respective trajectories (46). The X-ray source comprises at least a first focal spot (48) and a second focal spot (50) spaced apart from each other with a focal spot distance (52) in an off-set direction (54), which offset direction is aligned with the trajectory.

Abstract: A method and apparatus for operating an inspection system is provided. A housing with an x-ray system located inside of the housing is moved in an environment with water relative to a location on a surface of an object to be inspected. The location on the surface of the object is submerged in the water in the environment. A number of components for the x-ray system are cooled using the water around the housing.

Abstract: An X-ray photographing device comprising a turning means for turning an x-ray source and an X-ray sensor around a subject is provided with an arcuate movement means for arcuately moving the X-ray sensor around an arcuate movement center axis, and a control unit. The control unit continuously performs a first photographing step for detecting an X-ray flux while turning the X-ray sensor in a first arcuate movement range around the arcuate movement center axis by the arcuate movement means, a shifting/turning step for shifting/turning an arcuate movement arm around the subject by the turning means, and a shifting/photographing step for detecting the X-ray flux while turning the X-ray sensor in a second arcuate movement range around the arcuate movement center axis by the arcuate movement means in the state shifted from the first arcuate movement range by a very small angle in the shifting/turning step.

Abstract: A system provides recovery from an X-ray system C-arm and patient table collision. A collision recovery system enables a user to recover from a collision or near collision of movable components of an X-ray imaging system including a movable C-arm hosting an X-ray emitter and detector. The system includes a C-arm position tracking processor for automatically recording C-arm position data indicating a valid stationary position of a C-arm and a path from the valid stationary position to an invalid position of the C-arm enabling retracement of the C-arm along the path to the valid stationary position. A user interface enables a user to initiate retracement of the C-arm along the path to the valid stationary position. A C-arm is movable to retrace the path to the valid stationary position using the recorded C-arm data in response to user command.

Abstract: A flexible, lightweight, easily maneuverable positioner for an imaging system. The positioning system in one example has a cart section with a base frame coupled to one or more wheels. There is a mast extending from the cart section and a linkage assembly coupled to a second end of the mast, wherein the mast is configured to swing about a vertical plane. There is a positioning arm coupled to the linkage assembly, wherein the positioning arm is configured to swing about at least one of a horizontal plane and the vertical plane. An imaging bracket is used to couple to the positioning arm and configured to receive an imaging unit. In one example, the positioner is coupled together by fasteners, wherein the positioner can be assembled and dis-assembled via the fasteners without tools.

Abstract: A diagnostic scanning apparatus includes a hollow rotor sized to receive a patient. First and second flanges are connected to and extend radially outward from the rotor in a spaced-apart relationship, each of the first and second flanges including, at least in part, a magnetically-permeable material. A radiation source is affixed to the first flange and/or the rotor. A first axial actuator generates a variable magnetic field, is fixedly disposed adjacent to the first flange and can magnetically pull the first flange in a first axial direction of the rotor. A second axial actuator generates a variable magnetic field, is fixedly disposed adjacent to the second flange and can magnetically pull the second flange in a second axial direction of the rotor that is opposite of the first axial direction. The first and second axial actuators are both at least substantially disposed between the first and second flanges.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, first detector, second detector, arm, sliding mechanism, tilting mechanism, and control unit. The X-ray tube includes an anode to generate X-rays upon receiving electrons. The first detector has the first pixel size. The second detector has the second pixel size smaller than the first pixel size. The arm pivotally supports the X-ray tube, first detector, and second detector. The sliding mechanism slidably supports the first and second detectors so as to irradiate one of the first and second detectors with the X-rays generated by the X-ray tube. The tilting mechanism tiltably supports the X-ray tube to change the size of an effective X-ray focal spot on the anode. The control unit controls the sliding of the first and second detectors by the sliding mechanism upon interlocking with the tilting of the X-ray tube by the tilting mechanism.

Abstract: A remote controller, a remote control system and an X-ray system including the same. The remote control system includes a remote controller and a processing unit located in a controlled system controlled by the remote controller. The remote controller includes at least one key for a user to select a controlled object to be controlled via the remote controller, a sensing unit for sensing an orientation of the remote controller; and a wireless transmitter for transmitting to the controlled system which of the at least one key is selected by the user and orientation information of the remote controller sensed by the sensing unit. The processing unit generates a control command for the controlled system in accordance with information about the user's key selection and orientation information of the remote controller to control movement of a controlled object corresponding to the selected key in accordance with the remote control's orientation.

Abstract: A medical imaging system includes a stationary gantry and a rotating gantry that rotates around an examination region about a z-axis. An air bearing rotatably couples the rotating gantry to the stationary gantry. A radiation source is affixed to the rotating gantry and rotates with the rotating gantry and emits radiation that traverses the examination region. A detector array is affixed to the rotating gantry on an opposite side of the examination region with respect to the radiation source and detects radiation traversing the examination region. A dynamic z-axis imbalance determination system determines an imbalance of the rotating gantry in the z-axis direction directly from the air bearing, and the determined imbalance is used to position a balance mass affixed to the rotating gantry in the z-axis direction, thereby balancing the rotating gantry along the z-axis.

Abstract: Disclosed herein is an X-ray image apparatus having an improved signal transmitting structure connecting an X-ray generating unit or an X-ray detecting unit to a control unit or a power supply unit. It is an aspect of the present invention to provide an X-ray image apparatus including an X-ray generating unit generating X-rays and radiating the X-rays; an X-ray detecting unit detecting the X-rays radiated from the X-ray generating unit; a moving unit for moving the X-ray generating unit; a power supply unit for supplying power to the X-ray generating unit; a control unit controlling a movement of at least one of the X-ray generating unit and the X-ray detecting unit; and at least one signal transmitting unit transmitting a signal to at least one of the power supply unit and the control unit, and coupled to an inner side of the moving unit.

Abstract: An imaging system includes a stationary frame (104) and a pivotable frame (106) that is pivotably attached to the stationary frame (104) and configured to pivot about a transverse axis (108). A rotating frame (110) is rotatably supported by the pivotable portion (106) and configured to rotate about a longitudinal axis (114) around an examination region (112) and a rotating frame balancer (118) selectively introduces a rotating frame mass imbalance. A radiation source (116) is affixed to the rotating frame (110) and emits radiation from a focal spot, wherein the radiation traverses the examination region (112). A detector array (128) detects the radiation that traverses the examination region (112) and generates a signal indicative thereof.

Abstract: An X-ray generation unit and an X-ray detection unit are held by an arm. Image data is generated based on X-ray projection data which is generated by the X-ray detection unit. A first support member supports the arm and rotates the arm in a first rotation direction. A second support member supports the first support member. The second support member rotates the first support member around a rotation center in a second rotation direction perpendicular to the first rotation direction. A movement unit can move the second support member in an up and down direction.

Abstract: Disclosed herein is an X-ray image apparatus having an improved rotating unit for preventing a blind spot in which an X-ray-generating unit is not rotated from being generated. The X-ray image apparatus includes an X-ray-generating unit configured to generate X-rays and radiate the X-rays, an X-ray-detecting unit configured to detect the X-rays radiated from the X-ray-generating unit, and a rotating unit configured to rotate the X-ray-generating unit. Here, the rotating unit includes a rotating frame coupled to one side of the X-ray-generating unit; a protrusion configured to protrude from one side of the rotating unit; and a stopper being in contact with the protrusion to halt a rotation of the rotating frame and being provided such that the stopper can be moved in a preset zone. Since the stopper securing the rotating frame of the rotating unit can be moved in the preset zone, it is possible to prevent a blind spot caused by a restriction of the rotation of the rotating frame from being generated.

Abstract: An imaging apparatus and related method comprising a detector located a distance from a source and positioned to receive a beam of radiation in a trajectory; a detector positioner that translates the detector to an alternate position in a direction that is substantially normal to the trajectory; and a beam positioner that alters the trajectory of the radiation beam to direct the beam onto the detector located at the alternate position.

Abstract: An imaging platform system that provides integrated navigation capabilities for surgical guidance. The system can include two robotic arm systems, one robotic arm system holding an imaging source, and the other holding an imaging sensor. These robotic arm systems are able to move and provide three-dimensional tomographic scans, static radiographic images, and dynamic fluoroscopic image sequences. A third robotic arm system can be included in the imaging platform system as a surgeon guided tool-holder to accurately implement an image-guided surgical plan. The robotic systems can manipulate imaging and surgical components into and out of the operative field as needed, enhancing the choreography between a surgical team and assistive technology. A handle can be included as part of a manual positioning control subsystem. The handle can be mounted to an imaging robotic system above and/or below an operating table, and also can be mounted to a tool-holding robotic system.

Abstract: A system for recording computed tomography image data of an object in an object area comprises an X-ray source and an X-ray detector arranged at either side of the object area, the X-ray source having a flying focal spot from which X-rays is emitted and the X-ray detector comprising pixels arranged in at least one row for recording images of the object. A device is provided for rotating the X-ray source and the X-ray detector with respect to the object around an axis of rotation, while the at least one row of pixels record images of the object.

Abstract: The different advantageous embodiments provide a method and apparatus for generating an x-ray beam. The x-ray beam is generated using an x-ray tube. The x-ray tube and a power supply are located inside of a housing connected to a moveable platform. A rotatable wheel connected to the moveable platform is rotated while the x-ray beam is being generated. The rotatable wheel has a number of apertures that allows at least a portion of the x-ray beam to pass through the rotatable wheel as the rotatable wheel rotates.

Abstract: A radiotherapy particle emitter positioning device is provided. The positioning device includes first and second arcuate support frames, a mounting carriage and a drive arrangement. The first and second arcuate support frames each include a drive track arrangement defining an arcuate carriage guide path. The mounting carriage is configured for supporting the radiotherapy particle emitter. The mounting carriage is mounted to and supported by the support frames. The mounting carriage is connectable to the drive track arrangements and moveable along the carriage guide path. The mounting carriage also includes the drive arrangement. The drive arrangement engages the drive track arrangements for driving the mounting carriage along the drive track arrangements and the carriage guide path.

Abstract: An X-ray CT system as the embodiment comprises an annular rotating body configured to accommodate an X-ray tube, the rotating body having a central opening, into which a bed can be inserted in the center thereof, a cover shaped in a tubular form and having a tubular case part, which, when fitted in the opening, shields the annular rotating body from a central side of the opening, the cover being provided with an X-ray transmission opening at the tubular case part, through which, X-rays from the X-ray tube are allowed to transmit, and two sheet-like soundproof members configured to sandwich a soundproof layer, the soundproof members being disposed to to close the X-ray transmission opening. According to the X-ray CT system, it is possible to reduce sufficiently the noise leaking from inside the cover.

Abstract: A radiographic apparatus includes an X-ray source unit, a measurement unit configured to measure either one or both of a force and a torque applied to the X-ray source unit, at least one motor configured to move the X-ray source unit, and a system control unit configured to control the at least one motor to move the X-ray source unit according to a direction and a magnitude of the either one or both of the force and the torque measured by the measurement unit.

Abstract: A drive mechanism for a mobile imaging system comprises a main drive geared into a drive wheel for propelling the imaging system, including a base and one or more imaging components, across a surface. The drive mechanism can also include a scan drive that moves the drive mechanism and the one or more imaging components along an axis relative to the base to provide an imaging scan, and a suspension drive that extends the drive wheel relative to a bottom surface when the imaging system is in a transport mode and retracts the drive wheel relative to the bottom surface of the base when the imaging system is in an imaging mode. The drive wheel supports the weight of the imaging components, but does not directly support the base assembly, which can include pedestal and tabletop support. One or more casters located on the base can support the weight of the base assembly.

Abstract: Systems and methods for obtaining two-dimensional images of an object, such as a patient, in multiple projection planes. In one aspect, the invention advantageously permits quasi-simultaneous image acquisition from multiple projection planes using a single radiation source. An imaging apparatus comprises a gantry having a central opening for positioning an object to be imaged, a source of radiation that is rotatable around the interior of the gantry ring and which is adapted to project radiation onto said object from a plurality of different projection angles; and a detector system adapted to detect the radiation at each projection angle to acquire object images from multiple projection planes in a quasi-simultaneous manner. The gantry can be a substantially “O-shaped” ring, with the source rotatable 360 degrees around the interior of the ring. The source can be an x-ray source, and the imaging apparatus can be used for medical x-ray imaging.

Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The examination opening (4) is arranged for its predominant portion substantially of the shape of an arch of a circle but to comprise an extension, within the sector covered by which extension the distance from the centre of said arch of the circle to the edge of the examination opening (4) is longer than within the prevailing portion of the examination opening (4) being substantially of the shape of an arch of a circle.

Abstract: This invention describes a method of inspecting unidentified packages placed on the floor or ground, or on desktops or counters. The method uses a transmissive x-ray system mounted on a small mobile platform such as robots. X-ray is emitted from the source directed away from the platform and detected by a detector arm supported on an extended member attached to a vertical member such that the object to be inspected can pass in between the detector arm and the x-ray source. To scan portions of the object close to the ground, the height of the x-ray source is lowered close to the ground, and during transportation, it is raised up so that there is more clearance from the ground. To scan objects located on higher levels such as desks, the detector arm has an angular movement greater than ninety degrees with respect to an axis that has a vertical component.

Abstract: The present invention relates to a radiological apparatus (1) comprising a base (2) adapted to stand on a floor, a column-shaped chassis (3) mounted on the base, a column-shaped stand (4) mounted on the chassis, a patient bed (5) mounted on the chassis, an X-ray detector (6) mounted on the chassis, a slide (7) mounted on the stand, an arm (8) mounted on the slide, an X-ray emitter (9) mounted on the arm; the axis of the chassis column and the axis of the stand column are perpendicular to one another; the apparatus comprises further mechanisms adapted to implement a plurality of movements between its parts (2, 3, 4, 5, 6, 7, 8, 9) so as to achieve a highly flexible functionality sufficient to meet a variety of clinical and diagnostic needs.

Abstract: An imaging system and methods including a gantry defining a bore and an imaging axis extending through the bore, and at least one support member that supports the gantry such that the imaging axis has a generally vertical orientation, where the gantry is displaceable with respect to the at least one support member in a generally vertical direction. The imaging system may be configured to obtain a vertical imaging scan (e.g., a helical x-ray CT scan), of a patient in a weight-bearing position. The gantry may be rotatable between a first position, in which the gantry is supported such that the imaging axis has a generally vertical orientation, and a second position, such that the imaging axis has a generally horizontal orientation. The gantry may be displaceable in a horizontal direction and the system may perform a horizontal scan of a patient or object positioned within the bore.

Abstract: A medical treatment suite and method of use is described, having a projection X-ray apparatus mounted to a robot. The robot positions the projection X-ray apparatus with respect to a patient and data is taken in a form that is suitable for synthesizing computed tomographic images. The patient may be supported by a patient support apparatus, which may be mounted to another robot, which cooperates with the other robot so as to position the patient according to a selected treatment protocol. Each of the robots may be mounted to one of a floor, a ceiling or a wall of the room.

Abstract: A radiation imaging apparatus includes an arm configured to support a radiation generating unit that generates radiation, a post configured to support the arm, a movable portion configured to support the post and to be movable on a floor, and a supporting foot portion that is rotatable with respect to the movable portion. The supporting foot portion and the arm are operable to be placed in an open state and a closed state. In a state where the supporting foot portion and the arm are closed, the supporting foot portion covers the radiation generating unit.

Abstract: An X-ray tube assembly includes an electron beam transport tube, a beam tube protection assembly, and a control module. The electron beam transport tube includes an opening configured for passage of an electron beam, and includes an inner surface bounding the opening along a length of the electron beam transport tube. The beam tube protection assembly includes a plurality of beam protection electrode segments disposed within the opening of the electron beam transport tube and configured to protect the inner surface of the electron beam transport tube from contact with the electron beam. The control module is configured to determine a direction of the electron beam responsive to information received from the beam tube protection assembly.

Abstract: A gantry of X-ray CT system according to an embodiment includes: a main frame; a disk-shaped base plate rotatably supported by main frame, and having an opening formed at a central portion thereof, the opening allowing a subject to enter and exit therethrough, and multiple mounting holes formed at portions outside the opening in a radial direction; and multiple rotator units inserted into the mounting holes and fixed to the base plate.

Abstract: A radiography system is provided. The radiography system includes a radiographic device arranged in a movable manner, a measuring device to measure at least one of external force and torque applied to the radiographic device, and a drive device to move the radiographic device based on a direction and magnitude of the at least one of the force and torque measured by the measuring device.

Abstract: One or more techniques and/or apparatuses described herein provide a roller truck comprising non-rotating dampening material that is configured to dampen vibrations and mitigate the transference of vibrations from a rotating gantry to a support frame and vice-versa during rotation of the rotating gantry relative to the support frame. It will be appreciated that two different types of roller trucks, base roller trucks and z-axis roller trucks, are described herein, and the non-rotating dampening material may be inserted into one or both types of roller trucks. While the instant disclosure finds particular application in the context of computed tomography apparatus, the instant disclosure is not intended to be limited to such applications.

Abstract: In the interest of a particularly quick and simple X-ray examination, provision is made for a method for automatically positioning a positionable X-ray source (16) of an X-ray system (24) in respect of a mobile X-ray detector (15) with the following steps: —detecting the position of the mobile X-ray detector (15), —forwarding the position to the X-ray system (24), —determining a position of the X-ray source (16), aligned with the position of the mobile X-ray detector (15), for recording an X-ray image, and —driving the positionable X-ray source (16) to move into the aligned position.

Abstract: A radiation generating apparatus comprising: a radiation tube configured to irradiate radiation; an boom configured to support the radiation tube; an boom supporting unit configured to support the boom; a first column linked to the boom supporting unit and formed in a vertical direction; and a second column extensibly linked to the first column, the boom comprising a first connecting unit, and the second column comprising a second connecting unit, wherein when the boom is folded to the second column upon rotation about the boom supporting unit, the first connecting unit is connected to the second connecting unit.

Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The cross-section of an outer cover (3) of the O-arm (2) in a direction perpendicular with respect to the central axis of the O-arm is arranged for its predominant portion substantially of the shape of an arch of a circle but to comprise a cut, within the sector covered by which cut the distance from the center of said arch of the circle to the edge of the outer cover (3) is shorter than within the portion of the outer cover (3) being substantially of the shape of an arch of a circle.

Abstract: An imaging apparatus and related method comprising a detector located a distance from a source and positioned to receive a beam of radiation in a trajectory; a detector positioner that translates the detector to an alternate position in a direction that is substantially normal to the trajectory; and a beam positioner that alters the trajectory of the radiation beam to direct the beam onto the detector located at the alternate position.

Abstract: A medical imaging apparatus includes a stationary gantry and a generally spool-shaped rotating gantry (304), which rotates about an examination region about a longitudinal axis. The rotating gantry includes a first flange (320), a second flange (322), and a plurality of elongate structural elements (402) that are disposed between and couple' the first and second flanges. The first flange (320) is rotatably coupled to the stationary gantry, and the second flange (322) extends radially in a plane perpendicular to the longitudinal axis, thereby providing radial stiffness for the rotating gantry. A radiation source is affixed to the rotating gantry between the first and second flanges, and a detector array is affixed to the rotating gantry between the first and second flanges, opposite the examination region from the radiation source.

Abstract: When a subject is irradiated with radiation, and the radiation that has passed through the subject is detected, body thickness information about the subject is obtained. Further, a slice image obtainment condition representing a range in which a slice image is obtained in the subject is set based on the body thickness information. Further, the slice image is obtained based on the slice image obtainment condition.

Abstract: A device, system and method for administering radiation therapy to a tissue surface of a patient utilizes an applicator capable of controlled movement and repositioning over a selected area of tissue, under the control of a computer or controller. A servo-controlled manipulator can effect a raster scan of the desired area, such as an area of the skin, and this can be in any desired pattern such as serpentine, spiral, parallel but unidirectional, or irregular patterns. Preferably a third direction of control is included, i.e. a depth direction, with an appropriate form of depth sensor, a signal from which can be used to adjust the radiation source so that radiation of the tissue surface is consistent over varied contoured.

Abstract: A mobile radiography apparatus has a portable transport frame. A sectioned vertical column mounted on the frame defines a vertical axis and has a base section having a fixed vertical position relative to the vertical axis and at least one movable section that is translatable to a variable vertical position. A boom apparatus supports an x-ray source and extends outward from the movable section and has an adjustable height relative to the vertical axis. A counterweight is operatively coupled to the boom apparatus to support displacement of the boom apparatus to any of a plurality of vertical positions along the movable section, wherein the counterweight, in cooperation with boom apparatus movement, travels along a shaft that extends within the movable section, wherein, at one or more of the height positions of the boom apparatus, a portion of the counterweight extends upward above the shaft of the sectioned vertical column.

Abstract: The invention relates to a tomosynthesis method by illuminating an object by means of an X-ray source (1) with a linear trajectory (2), the method comprising breaking down a volume of the object into N fanned out planes (P) formed between the linear trajectory (2) and a detecting plane (4) parallel to the linear trajectory, each fanned out plane of said N planes includes the linear trajectory; and performing anisotropic regularization on at least one fanned out plane (P).