Nonrotating Source Or Detector Patents (Class 378/10)
  • Patent number: 10902594
    Abstract: A medical X-ray image processing apparatus (1) includes a controller (12) configured to acquire positional information of an imaging system (7) based on positional information of positional references (60) and evaluate symmetry of imaging positions of a plurality of X-ray captured images (15) with respect to a reference position (18) on a movement path of the imaging system (7) based on the acquired positional information of the imaging system (7).
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: January 26, 2021
    Assignee: Shimadzu Corporation
    Inventors: Junya Yamamoto, Takahiro Miyajima, Kazuyoshi Nishino
  • Patent number: 10881365
    Abstract: An interventional X-ray system is proposed, the system including a multi X-ray source unit positioned below a patient table. This ‘multiblock’ may comprise several x-ray sources with focal spot positions distributed along the x-y (table) plane. The x-ray sources are operable in a switching scheme in which certain x-ray sources may be activated in parallel and also sequential switching between such groups is intended. The switching may be carried out so that several images with different projection angles can be acquired in parallel. In other words, an optimal multi-beam X-ray exposure is suggested, wherein fast switching in one dimension and simultaneous exposure in the 2nd dimension is applied.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: January 5, 2021
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Gereon Vogtmeier, Klaus Juergen Engel, Michael Grass, Bernd Menser, Heidrun Steinhauser, Alberto Fazzi, Herman Stegehuis, Dirk Schaefer
  • Patent number: 10878544
    Abstract: An image data processor (116) includes a high resolution restorer (218) configured to restore a voxel neighborhood of a voxel in first image data to a higher resolution, generating restored higher resolution image data, based on a corresponding voxel neighborhood of second higher resolution image data, wherein the second higher resolution image data has higher resolution than the first image data.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: December 29, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventor: Liran Goshen
  • Patent number: 10823874
    Abstract: The present disclosure proposes a security inspection equipment and a radiation detection method, and relates to the field of security inspection. The security inspection equipment according to the present disclosure includes: a ray emitter; and a radiation detector comprising a forescatter detector, the forescatter detector and the ray emitter located on opposite sides of an object to be detected; wherein the radiation detector further comprises at least one of the following detectors: a backscatter detector located between the ray emitter and the object to be detected; or a transmission detector wherein the transmission detector and the ray emitter located on opposite sides of an object to be detected. Such a security inspection equipment has a forescatter detector, which can be used in combination with backscatter detector, to reduce detection dead angles.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: November 3, 2020
    Inventors: Jin Cui, Dong Lin, Bin Hu, Xianshun Tan, Hong Wang
  • Patent number: 10809208
    Abstract: The X-ray inspection device includes a radiation source that irradiates X-rays toward a specimen that is rotated; a detector that detects transmitted X-rays irradiated by the radiation source, and passed through the specimen, and output a plurality of detection data for each angle of rotation; and a region extracting unit that extracts a region where the specimen is projected onto the detector, using the plurality of detection data.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: October 20, 2020
    Assignee: Nikon Corporation
    Inventors: Hirotomo Yashima, Takahiro Michimoto, Naoshi Sakaguchi
  • Patent number: 10799193
    Abstract: Described are anatomically specified conformation computed tomography (ASC-CT) systems, which are fully tomographic x-ray imaging systems configured to conform to the contour of the anatomy of interest and perform a near scatter-free image acquisition, thereby providing an enhanced contrast resolution in the reconstructed CT image volume. The apparatus comprises independently controlled, yet synchronized, x-ray generation and detection assemblies configured to perform a tomographic image acquisition. The method of image acquisition entails adjusting the layout of the x-ray panels within the detector assembly based on the shape of the anatomy, followed by capturing a collimated, narrow x-ray beam composed of primary photons while sweeping a circular trajectory around the anatomy placed in the field of view, resulting in a conforming sinogram of the anatomy.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: October 13, 2020
    Assignee: MALCOVA LLC
    Inventors: Peymon Mirsaeid Ghazi, Tara Renee Ghazi
  • Patent number: 10788435
    Abstract: An inspection fixture includes a base member, a support member coupled to base member, and an intermediate member coupled to the support member or the base member. The support member includes a radiolucent material for limiting artifacts in imagery of an industrial article supported by the inspection fixture. Inspection arrangements and imaging methods are also described.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 29, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Eric W. Karlen, Daniel O. Ursenbach, Claire Victoria Brennan, Michael Hamilton Severson
  • Patent number: 10772579
    Abstract: A low-dose CT imaging system and method that operates according to a pulsed X-ray emission scheme according to a predefined sequence of rotation angles of the X-ray source, along with image reconstruction algorithms to achieve high spatial and temporal resolution for CT scans. The systems and methods involve high speed switching (on the order of milliseconds) to generate pulsed exposure of X-ray radiation to the patient, reducing radiation dose by 4-8 fold, or more.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: September 15, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Danny J J Wang, Thomas Martin, John M. Hoffman
  • Patent number: 10754049
    Abstract: A distance SRD can be obtained from sizes of projection images of a calibration instrument on a table at a first point (that is an imaging position) and a second point and a distance between rotation center axes of the table at the first point and the second point. Furthermore, a distance SDD can be obtained by adding up the distance SRD thus obtained and a distance between an X-ray detector and the rotation center axis of the table at the first point, and a ratio between the distances SRD, SDD is taken as an imaging magnification of imaging at the first point.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: August 25, 2020
    Assignee: Shimadzu Corporation
    Inventor: Makoto Sato
  • Patent number: 10743826
    Abstract: The present invention discloses a stationary real-time CT imaging system, comprising an annular photon counting detector, an annular scanning x-ray source, and a scanning sequence controller. Under the control of the scanning sequence controller, the annular scanning x-ray source emits x-ray, and the x-ray penetrates the object being tested and projects onto the corresponding annular photon counting detector. The annular photon counting detector delivers the corresponding exposure information through the main scanning machine and the main controlling unit to a CT main machine and a human-machine interface unit. The image reconstruction is completed in the CT main machine and the human-machine interface unit. By electronically controlling and switching x-ray projection positions in order, the scanning speed is enhanced by tens of times, thereby obtaining dynamic 3D images.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: August 18, 2020
    Assignee: NANOVISION TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Hongguang Cao, Yunxiang Li, Tong Chang, Zhili Cui, Hailiang Zheng
  • Patent number: 10737111
    Abstract: Methods and systems for performing optogenetics using X-rays or ultrasound waves are provided. Visible-light-emitting nanophosphors can be provided to a sample, and X-ray stimulation can be used to stimulate the nanophosphors to emit visible light. Alternatively, ultrasonic waves can be provided to the sample to cause sonoluminescence, also resulting in emission of visible light, and this can be aided by the use of a chemiluminescent agent present in the sample. The emitted light can trigger changes in proteins that modulate membrane potentials in neuronal cells.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: August 11, 2020
    Assignee: Rensselaer Polytechnic Institute
    Inventors: Ge Wang, Matthew Getzin, Rachel Berry, Lars Gjesteby
  • Patent number: 10720300
    Abstract: A two-dimensional X-ray scanner that includes a beam steerer for steering an electron beam to impinge upon a target; and a collimator further including an aperture adapted for travel in an aperture travel path for rotating the X-ray beam plane spanned by the electron beam impinging upon the target along a focal track for emitting a scanning X-ray beam.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 21, 2020
    Assignee: American Science and Engineering, Inc.
    Inventors: Martin Rommel, Jeffrey R. Schubert
  • Patent number: 10695079
    Abstract: A therapy system includes a therapy source (2) emitting radiation or waves, an ultrasound probe (14), a patient rest as well as a multi-axis positioning system (X, Y, Z) with several drives, by way of which the patient rest and the therapy source (2) can be moved to one another in all three spatial directions. A control device (26) is coupled to the ultrasound probe (14) and configured such that in at least one operating mode, the control device (26) simultaneously activates the drives of the multi-axis positioning system (X, Y, Z) such that the patient rest is moved relative to the therapy source along a selectable movement path (B) which lies within the plane of an ultrasound picture (20) which is currently recorded by the ultrasound probe (14). A method for positioning a patient rest relative to a therapy source is also provided.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: June 30, 2020
    Assignee: RICHARD WOLF GMBH
    Inventors: Michael Burkhardt, Francesco Messina, Jean-Georges Zimmermann
  • Patent number: 10653376
    Abstract: An x-ray imaging system includes an x-ray source, a beam-splitting grating having a plurality of structures arranged in a two-dimensional periodic array, a stage configured to hold an object to be imaged, and an x-ray detector having a two-dimensional array of x-ray detecting elements and positioned to detect x-rays diffracted by the beam-splitting grating and perturbed by the object to be imaged.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: May 19, 2020
    Assignee: Sigray, Inc.
    Inventors: Wenbing Yun, Sylvia Jia Yun Lewis, Janos Kirz, Alan Francis Lyon
  • Patent number: 10641716
    Abstract: The invention discloses a scanning method and apparatus suitable for scanning a pipeline or process vessel in which a beam of gamma radiation from a source is emitted through the vessel to be detected by an array of detectors which are each collimated to detect radiation over a narrow angle relative to the width of the emitted radiation beam.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: May 5, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Christopher Bowdon, Paul David Featonby, James Stephen Howstan, Peter Jackson, Kenneth James, Emanuele Ronchi
  • Patent number: 10627353
    Abstract: In an X-ray inspection apparatus, X-ray images of an inspection object horizontally divided at a predetermined vertical position are acquired for each fixed rotational angle of the inspection object over 360° by a two-dimensional X-ray detector. Processing for synthesizing X-ray images acquired at the same rotational angle of the inspection object among the X-ray images taken in from the X-ray detector by horizontally joining the X-ray images together is executed for each fixed rotational angle of the inspection object. Processing for vertically dividing the synthesized X-ray image into a plurality of strip X-ray images is executed. Thereafter, processing for generating a CT image is executed by performing a computation based on the strip X-ray images for 360° that are at the same vertical position.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: April 21, 2020
    Assignee: JED CO., LTD
    Inventor: Osamu Kinoshita
  • Patent number: 10598610
    Abstract: An X-ray system for analyzing materials includes an X-ray source, an X-ray detector and a sample platform, and a controller configured to generate a radiograph of material on the sample platform by selectively energizing the X-ray source to emit X-rays through the material to the X-ray detector along a scanned length of the material, calculate a plurality of measured density values along the scanned length of the material, calculate a plurality of model density values of the material from one or more of settings of the X-ray system, characteristics of the material along the scanned length of the material, and a longitudinal density variation for a particular application, compute a difference between the measured density values and the model density values and determine if the longitudinal density variation has been exceeded, and provide an alert as to whether the longitudinal density variation has been exceeded.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 24, 2020
    Assignee: KUB Technologies, Inc
    Inventors: Vikram Butani, Yan Chen, Chester Lowe, Vignesh Mandalapa-Bhoopathy, Edwin Maria-Selvaraj, Roberto Velasco, Peter Yasutake
  • Patent number: 10416096
    Abstract: A method of CT scanning a plurality of aerofoil blades. The method includes the steps of: providing a rotatable support arranged for rotation about an axis of rotation and within an energy beam; mounting a plurality of aerofoil blades to the support in spaced-apart relationship to one another so as to form at least one array around the axis of rotation; and rotating the support about the axis within the beam. Each blade has an aerofoil section and is mounted to the support such that the span of its aerofoil section is substantially parallel to the axis of rotation, and the blades are arranged such that no line orthogonal to the axis of rotation intersects the aerofoil section of more than one blade.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: September 17, 2019
    Assignee: ROLLS-ROYCE plc
    Inventors: Felicity Freeman, Richard House, Terence I Simpson, Bryan Webb
  • Patent number: 10405813
    Abstract: Systems and methods for obtaining a panoramic image are provided. One system includes a gantry, an x-ray source, a receptor, and at least one controller. The x-ray source is mounted on the gantry and is configured to alternatively output x-ray radiation at a first energy level and x-ray radiation at a second energy level. The receptor is mounted on the gantry so that x-ray radiation from the x-ray source impinges on the receptor. The receptor is configured to output a plurality of frames of data including a first frame and a second frame sequential to the first frame. The controller is configured to control the x-ray source so that data in the first frame is generated based on x-ray radiation of the first energy level and data in the second frame is based on x-ray radiation of the second energy level.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: September 10, 2019
    Assignees: Dental Imaging Technologies Corporation, PaloDEx Group OY
    Inventors: Petri Jouhikainen, David Albert Sebok, Bradley S. Carlson, Hongjian Shi, Mike Parma, Edward Marandola, Robert Keating, Esa Suuronen, Scott Kravis
  • Patent number: 10412377
    Abstract: An augmented reality device used in a medical imaging laboratory housing a medical imaging device (10) includes a headset (30), cameras (32, 33) mounted in the medical imaging laboratory, and directional sensors (34, 35, 36, 37) mounted on the headset. The cameras generate a panorama image (54). Data collected by the directional sensors is processed to determine the viewing direction (60). The panorama image and the determined viewing direction are processed to generate an augmented patient view image (80) in which the medical imaging device is removed, replaced, or made partially transparent, the augmented image is presented on a display (40) of the headset. The directional sensors may include a headset camera (34) that provides a patient view image (50), which is augmented by removing or making partially transparent any portion of the medical imaging device in the patient view image by substituting corresponding portions of the panorama image.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: September 10, 2019
    Assignee: Koninklijke Philips N.V.
    Inventors: Peter Forthmann, Glen Pfleiderer
  • Patent number: 10393678
    Abstract: Provided is a device capable of suppressing a drop in detection accuracy, and a manufacturing method of a structure. A detection device is a device that irradiates a subject with X-rays and detects the X-rays transmitting through the subject, and includes an X-ray source that emits X-rays, a table that holds the subject, a detector that detects at least a portion of the transmitted X-rays emitted from the X-ray source and transmitted through the subject, and a first guide device and a second guide device that guide movement of the table in a direction parallel to an optical axis of the X-ray source while supporting the table. In this detection device, a guide plane, which is parallel to the optical axis and is a plane to which the movement of the table is regulated, passes through the inside of a detection region of the transmitted X-rays of the detector.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: August 27, 2019
    Assignee: NIKON CORPORATION
    Inventors: Takashi Watanabe, Daniel Hilton, Sam Hawker
  • Patent number: 10390774
    Abstract: A multiple-source CT system has an annular vacuum chamber surrounding a passage wherein lies an object. A target is in the chamber, the passage passing through an opening of the target. Multiple electron beam emitters are on an emitter gantry within the chamber, each emitting an electron beam towards the target to cause x-rays. An x-ray detector array is mounted on a detector gantry and feeds an image processing system configured to generate tomographic images of the object from detector data. In embodiments, multiple electron beam emitters energize simultaneously. In embodiments, target and emitter gantry counter-rotate. The method includes rotating electron-beam emitters with respect to the target to generate x-rays from the target while rotating a detector about a passage and acquiring data from the detector while multiple detector elements receive x-rays stimulated by multiple emitters, forming a sinogram, and processing the sinogram into a tomographic image of the object.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: August 27, 2019
    Inventor: Guy M. Besson
  • Patent number: 10383587
    Abstract: A radiation CT apparatus includes a rotation unit configured to rotate about a rotation axis, a radiation generation unit and a radiation detector which are fixed on either side of the rotation axis in the rotation unit, and a gantry cover containing the radiation generation unit and the radiation detector and including a breast insert portion configured to insert a breast of an object. An opening portion that can be opened and closed is placed on the gantry cover of the radiation CT apparatus. The radiation generation unit and the radiation detector are stopped to form a space that allows a user to access the breast insert portion from the opening portion.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: August 20, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Osamu Tsujii, Tetsuo Shimada, Sakiko Yamaguchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki
  • Patent number: 10315050
    Abstract: A method of image guided radiation treatment (IGRT) is described. The method may include receiving a pre-acquired image data set of the body part acquired in a reference frame generally independent of a reference frame of an IGRT apparatus, processing a first population of x-ray cone beam projection images to compute therefrom a first tomosynthesis image volume; and operating a radiation treatment head of the IGRT apparatus to deliver treatment radiation to the body part based at least in part on a comparison between the first tomosynthesis image volume a pre-acquired image data set of the body part.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: June 11, 2019
    Assignee: ACCURAY INCORPORATED
    Inventors: Calvin R. Maurer, Euan S. Thomson
  • Patent number: 10295483
    Abstract: An X-ray imaging inspection system for inspecting items comprises an X-ray source 10 extending around an imaging volume 16, and defining a plurality of source points 14 from which X-rays can be directed through the imaging volume. An X-ray detector array 12 also extends around the imaging volume 16 and is arranged to detect X-rays from the source points which have passed through the imaging volume, and to produce output signals dependent on the detected X-rays. A conveyor 20 is arranged to convey the items through the imaging volume 16.
    Type: Grant
    Filed: January 2, 2015
    Date of Patent: May 21, 2019
    Assignee: Rapiscan Systems, Inc.
    Inventor: Edward James Morton
  • Patent number: 10213177
    Abstract: An X-ray CT apparatus includes an extraction unit that acquires air data measured using the X-ray CT apparatus and the measurement data obtained by scanning the object, that extracts sensitivity variation data which is a sensitivity variation component of a detection element from the air data, and that extracts blank data from which the sensitivity variation component is removed, and a projection data generation unit that removes the sensitivity variation component and noise which are included in the measurement data, based on the sensitivity variation data, and that uses the blank data so as to perform a correction process of the measurement data from which the sensitivity variation component and the noise are removed.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: February 26, 2019
    Assignee: HITACHI, LTD.
    Inventors: Hisashi Takahashi, Taiga Goto, Koichi Hirokawa
  • Patent number: 10178980
    Abstract: A radiation system includes a first rotating unit that rotates about a first axis of rotation. The first rotating unit includes a first radiation source that generates radiation within a first radiation spectrum. The radiation system includes a second rotating unit that rotates about a second axis of rotation. The second rotating unit includes a detector array that detects at least a portion of the radiation generated by the first radiation source. The first and second rotating units may rotate, synchronously, asynchronously, at the same speed and/or at different speeds relative to one another.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: January 15, 2019
    Assignee: Analogic Corporation
    Inventor: Guy M. Besson
  • Patent number: 10143427
    Abstract: The present approach includes, in one implementation, a direct drive motor for use in a CT gantry and having a segmented motor stator assembly. The stator segments are connected in series. The stator segments are not independently operable and are instead connected in series to, and operated by, a single frequency controller.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: December 4, 2018
    Inventors: Chad Allan Smith, James Charles Bartelsen
  • Patent number: 10092256
    Abstract: Embodiments of methods and/or apparatus for a radiographic imaging can include a plurality of x-ray sources disposed in a curve and a detector configured to revolve relative thereto. In one embodiment, a CBCT imaging method and/or apparatus can include performing a first scan at a first speed using stationary angularly distributed x-ray sources to acquire first CBCT projection data that impinge a detector of a first field of view (FOV), identifying an area of interest within the first FOV, and performing a second scan at a second speed using the x-ray sources acquire second CBCT projection data that impinge a portion of the detector of a second smaller FOV including the area of interest within the first FOV using second emissions by the x-ray sources, where the second speed is greater than the first speed.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: October 9, 2018
    Assignee: Carestream Health, Inc.
    Inventors: John Yorkston, David H. Foos
  • Patent number: 10076297
    Abstract: The invention relates to a phase contrast x-ray tomography device, comprising an electron gun (44) having a downstream deflector coil (52). The x-ray beam (56) is guided by the deflector coil (54) on a circular path over a target (58), which is marginally tilted towards a plane positioned vertically on the device axis. The x-ray beam (62) generated at focal spot F of the electron beam (56) crosses an object (70) and arrives at a detector line (68) via a phase grating (64) and an amplitude grating (66).
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: September 18, 2018
    Assignee: ARP ANGEWANDTE RADIOLOGISCHE PHYSIK UG (HAFTUNGSBESCHRANKT)
    Inventor: Walter Bauer
  • Patent number: 10064586
    Abstract: The invention relates to a projection data acquisition apparatus (14) for acquiring projection data for being used for reconstructing a computed tomography image. In acquisition intervals projection data are acquired only at certain acquisition rotational positions of a radiation source (2) relative to an object, wherein an acquisition rotational position of a current acquisition interval divides a largest non-acquisition angular region covering rotational positions, at which projection data have not already been acquired, into two smaller non-acquisition angular regions. Because of this acquisition of the projection data, after each acquisition interval the acquisition rotational positions, at which projection data have been acquired already, are relatively homogeneously distributed. This allows for an improved image quality of a computed tomography image which is reconstructed based on the acquired projection data.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: September 4, 2018
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Thomas Koehler, Michael Grass
  • Patent number: 10039505
    Abstract: An anatomical imaging system of the sort having a fixed gantry and a rotating disc, with an adjustable angle of tilt and increased structural integrity, and with improved power transmission and position sensing.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: August 7, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eric Bailey, Andrew Tybinkowski, Pil Yong Oh
  • Patent number: 10031091
    Abstract: A component imaging system having at least one x-ray tube and an x-ray detector comprises a rotatable platform positioned between the x-ray tube and the x-ray detector. The rotatable platform is rotatable about a first rotational axis. A turntable is mounted on top of the rotatable platform. The turntable comprises: a stage platform for holding a component having an area of interest, the area of interest having a rotational axis; and a mounting plate rotating with the rotatable platform about the first rotational axis. The stage platform is movable in at least a first direction from a starting position to an imaging position to align the rotational axis of the area of interest with the rotational axis of the rotatable platform.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: July 24, 2018
    Assignee: Avonix Imaging, LLC
    Inventors: Jeffrey Diehm, Brian Ruether, Joel Ostby
  • Patent number: 9996951
    Abstract: A computerized tomographic image exposure and reconstruction method wherein an object is subjected to irradiation during a relative movement of a source of radiation, the object, and a radiation detector and wherein a digital representation of the radiation image of the object is computed by applying a tomographic reconstruction algorithm to image data read out of the irradiated radiation detector. A number of projection images are generated, each of the projection images being generated by integrating X-ray beams continuously emitted during the relative movement through a predefined movement path, and the created projection images are modeled in a tomographic reconstruction algorithm.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: June 12, 2018
    Assignees: Agfa HealthCare, Universiteit Antwerpen
    Inventors: Jan Sijbers, Jeroen Cant
  • Patent number: 9986964
    Abstract: Methods, systems, and devices for determining characteristics of an intraoral dental imaging sensor. A method includes providing an intraoral dental imaging sensor having a housing and a magnetic field sensor disposed in or on the housing, placing the intraoral dental imaging sensor in a holder, positioning the intraoral dental imaging sensor and at least part of the holder in a mouth of a patient, attaching a reference magnet to the patient, receiving, by an electronic processor, magnetic field data from the magnetic field sensor, determining, by the electronic processor, information including a position of the intraoral dental imaging sensor in the mouth of the patient based at least in part on the magnetic field data, and detecting x-rays by the intraoral dental imaging sensor to produce image data.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: June 5, 2018
    Assignee: DENTAL IMAGING TECHNOLOGIES CORPORATION
    Inventors: Scott David Kravis, Jeremy Charnegie, Adam T. Palermo
  • Patent number: 9968328
    Abstract: A system is described herein. The system includes a first transceiver mounted on a rotating assembly arranged on an axis, and a semi-echoic corridor mounted on a stationary assembly which is arranged proximate to the rotating assembly and arranged on the axis, wherein the semi-echoic corridor comprises a slot configured to accommodate the first transceiver of the rotating assembly. The system also includes a second transceiver arranged on the stationary assembly, wherein the first and second transceivers enable wireless communication between the rotating assembly and the stationary assembly.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: May 15, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventor: Donald Murray
  • Patent number: 9934932
    Abstract: An imaging module includes a plurality of cathodes and respective gates, each cathode configured to generate a separate beam of electrons directed across a vacuum chamber and each gate matched to at least one respective cathode to enable and disable each separate beam of electrons from being directed across the vacuum chamber. A target anode is fixed within the vacuum chamber and arranged to receive the separate beam of electrons from each of the plurality of cathodes and, therefrom, generate a beam of x-rays. A deflection system is arranged between the plurality of cathodes and the target anode to generate a variable magnetic field to control a path followed by each of the separate beams of electrons to the target anode.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: April 3, 2018
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Thomas R. Mackie, Brandon J. Walker, Jonathon R. Seaton
  • Patent number: 9907523
    Abstract: An X-ray detector has a first detector module, a second detector module and manipulation means. The first detector module includes a first detection region arranged in a first detection plane, the second detector module includes a second detection region arranged in a second detection plane, which is adjacent to the first detection region. The manipulation means is configured to orient the first detection plane of the first detector module and the second detection plane of the second detector module to each other such that a first normal to surface of the first detection plane and a second normal to surface of the second detection plane intersect within a reference region.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: March 6, 2018
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Thomas Hofmann, Stefan Hebele, Thomas Schlechter
  • Patent number: 9897558
    Abstract: The invention discloses a scanning method and apparatus suitable for scanning a pipeline or process vessel in which a beam of gamma radiation from a source is emitted through the vessel to be detected by an array of detectors which are each collimated to detect radiation over a narrow angle relative to the width of the emitted radiation beam.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: February 20, 2018
    Assignee: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Christopher Bowdon, Paul David Featonby, James Stephen Howstan, Peter Jackson, Kenneth James, Emanuele Ronchi
  • Patent number: 9863896
    Abstract: An X-ray transmission inspection apparatus includes: an X-ray source configured to irradiate a sample with an X-ray; a detector configured to be disposed on a side opposite to the X-ray source with respect to the sample and to detect the X-ray which is transmitted through the sample using a phosphor; a shield member configured to be arranged to face a detection surface of the detector and to block a part of X-rays to partially form a shield area from the X-rays on the detection surface; and a shield moving mechanism configured to move the shield member relative to the detector to enable change of a position of the shield area.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: January 9, 2018
    Assignee: Hitachi High-Tech Science Corporation
    Inventor: Yoshiki Matoba
  • Patent number: 9864091
    Abstract: The present invention discloses a CT security inspection system for baggage. The CT security inspection system comprises a scanning passage through which a baggage enters and exits the CT security inspection system for baggage, an X-ray source provided at one side of the scanning passage, and, a gantry provided at an opposite side of the scanning passage, and on which a plurality of detector units are mounted. In each of the detector units, a vertex point of at least one detector unit is positioned in a detector unit distribution circle with its center at a center of the scanning passage, and the detector units are arranged successively. All the detector crystal receiving faces of the plurality of detector units are within a scope of radiating ray beams with their center at the target of the X-ray source.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: January 9, 2018
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yuanjing Li, Li Zhang, Jinyu Zhang, Zhanjun Duan, Longsong Ran, Qingping Huang
  • Patent number: 9818182
    Abstract: The present invention prevents aliasing of the X-ray detector from lowering the spatial resolution and enhances the precision of measurement in an X-ray CT device. This has the effect of making it possible to measure finer structures, such as blood vessels, and enhance the diagnostic capability, without having to increase the subject's exposure in, for example, medical CT.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: November 14, 2017
    Assignee: Hitachi, Ltd.
    Inventors: Hironori Ueki, Yushi Tsubota
  • Patent number: 9791385
    Abstract: A modular X-ray computed tomography (XCT) system having a higher degree of modularity provides experimental versatility and in situ capabilities. The modular XCT system includes interchangeable X-ray sources and detectors that allow for the XCT system to be readily adapted to different imaging tasks, such as those that may require different trade-offs between spatial resolution, exposure time, power, and other scanning parameters.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: October 17, 2017
    Assignee: Arizona Board of Regents on Behalf of Arizona State University
    Inventors: James C. E. Mertens, Jason J. Williams, Nikhilesh Chawla
  • Patent number: 9786041
    Abstract: A CT system and method thereof are discloses. The system includes: a fixed multi-plane multi-source X-ray generation device and a control system thereof that provide X-ray source used in luggage inspection; a single-energy, pseudo-dual-energy or spectral detector system and data transfer system that receive perspective data of X ray penetrating the luggage, and transfer the data to a computer for processing; a conveyor and a control system thereof that control a speed for moving the luggage forth and back, and perform tomogram scanning; and a host computer system that performs tomogram reconstruction and provides man-machine interaction. The system takes full advantage of characteristics, such as high speed and stability, brought by the distributed ray sources which replace the normal slip ring technology. The system also adopts the idea of inverse-geometry CT, and reduces detector area and cost by increasing the number of ray sources.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: October 10, 2017
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Li Zhang, Ji Zhao, Qingping Huang, Xin Jin
  • Patent number: 9779846
    Abstract: A detection apparatus for detecting high energy radiation, preferably for detecting gamma radiation, coming from a source of high energy radiation in a detection volume, e.g. from one or more particles emitting high energy radiation. The apparatus comprises at least one detection surface configured to convert incident high energy radiation into a detection signal, and a collimator system comprising at least three collimator slits. Each collimator slit is arranged to project high energy radiation coming from a respective slit field of view of said detection volume onto said detection surface. At least two of said collimator slits extend in non-parallel directions and the respective slit fields of view of said at least two non-parallel collimator slits and the slit field of view of any other of said at least three collimator slits overlap and define a common detection volume of the detection apparatus.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: October 3, 2017
    Assignee: MILABS B.V.
    Inventor: Frederik Johannes Beekman
  • Patent number: 9778391
    Abstract: Radiation scanning systems providing multiple views of an object in different planes and a reconstruction algorithm for reconstructing quasi-three-dimensional images from a limited number of views. A system may include bend magnets to direct accelerated charged particles to multiple targets in different viewing locations. Another system collimates radiation generated by a plurality of radiation sources into multiple beams for scanning an object at multiple angles. The object may be a cargo container, for example. The reconstruction algorithm uses an optimization algorithm and imaging and feasibility models to reconstruct quasi-three-dimensional images from the limited number of views.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: October 3, 2017
    Assignee: VAREX IMAGING CORPORATION
    Inventors: Gongyin Chen, Kevin Holt, Robert E. Drubka, John Stammetti, Michael Z. Duncan, Timothy R. Fox, David Nisius, Martin Hu
  • Patent number: 9761404
    Abstract: A x-ray apparatus of the present application comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the wall at one end within the vacuum box, each electron transmitting unit is independent to each other; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; a grid arranged above the cathode opposing the cathode; anode made of metal and installed at the other end of the vacuum box, and in the direction of length, the anode is parallel to the plane of the grid of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the grid of the electron transmitting unit.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: September 12, 2017
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Chuanxiang Tang, Huaping Tang, Huaibi Chen, Wenhui Huang, Huayi Zhang, Shuxin Zheng, Yaohong Liu, Jinsheng Liu
  • Patent number: 9754988
    Abstract: A large format array is described having a series of smaller arrays daisy chained together to form the larger array. The smaller arrays are mounted on a base plate that may be of a non planar configuration. The daisy chaining together of the smaller arrays enables a smaller number of connections to be made to the external interface via connections.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: September 5, 2017
    Assignee: LEONARDO MW LTD
    Inventors: Philip Stephen Karl Booker, Ian M. Baker
  • Patent number: 9737274
    Abstract: The invention is a tomographic apparatus, in particular for examining a brain or a limb of a human and/or a primate animal, the apparatus (10) comprising an examination space (16) adapted for receiving a subject of a tomographic examination, and a PET ring (12) and a second imaging arrangement, being arranged around the examination space (16) in a substantially coaxial manner. The tomographic apparatus according to the invention comprises a PET ring (12) being displaceable between a PET operational state and a PET non-operational state, and comprises a second imaging arrangement adapted for being brought from a second imaging non-operational state to a second imaging operational state in the PET non-operational state of the PET ring (12).
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 22, 2017
    Assignee: Mediso Orvosi Berendezes Fejleszto es Szerviz Kft.
    Inventors: Istvan Bagamery, Zoltan Nyitrai
  • Patent number: 9724060
    Abstract: A CT system is disclosed for generating tomographic recordings of an examination object. In an embodiment, the CT system includes at least a gantry with a rotatable support for receiving components of the CT system, and a cooling system for cooling the components secured to the gantry with at least one air duct. In at least one embodiment, an incoming-air duct of the cooling system is divided into at least two segments to ensure uniform pressure distribution in the incoming-air duct.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: August 8, 2017
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Ulrich Kühn, Christian Willming