Continuous Mechanical Rotation Patents (Class 378/15)
  • Patent number: 10939879
    Abstract: An X-ray CT apparatus according to an embodiment includes setting circuitry. The setting circuitry is configured to set a third plan for a patient, by integrating together a first plan for the patient and a second plan for the patient.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 9, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Shinsuke Tsukagoshi, Takahiro Goto
  • Patent number: 10918345
    Abstract: An assembly for a system includes a rotatable drum defining a bore and configured for rotation about an object positioned within the bore, a support structure configured to support the rotatable drum during a rotation of the drum, a first radial air bearing disposed between the rotatable drum and the support structure and positioned proximate to a first distal end of the rotatable drum, and a second radial air bearing disposed between the rotatable drum and the support structure and positioned proximate to a second, opposite distal end of the rotatable drum. The first radial air bearing and the second radial air bearing are located at different longitudinal positions along a longitudinal axis of the rotatable drum and the first radial air bearing and the second radial air bearing are configured to levitate the rotatable drum relative to the support structure.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: February 16, 2021
    Assignee: Analogic Corporation
    Inventor: Jeffrey Knox
  • Patent number: 10918343
    Abstract: A method and energy-sensitive CT device are disclosed for motion correction of a computed tomography image. In an embodiment, the method includes: provisioning spectral CT data of an examination region with a moving object, the spectral CT data being recorded with an energy-sensitive CT device and including CT data at at least one energy level, and the at least one energy level of the CT data being adapted to a structure in the moving object; identifying the structure in the CT data at at least one energy level, of the at least one energy level, adapted to the structure; calculating a motion vector field of the structure identified; and motion correcting the spectral CT data by the motion vector field calculated to produce a motion-corrected CT image.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: February 16, 2021
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Eric Fournie, Steffen Kappler
  • Patent number: 10902649
    Abstract: A reconstruction processing method. The method includes an image updating step (Step S2) of updating a reconstruction image by an iterative approximation method, and a weighting coefficient map updating step (Step S4). In the weighting coefficient map updating step, a weighting coefficient map relative to prior knowledge is generated from the reconstruction image obtained by updating an image in the image updating step (Step S2), and a weighting coefficient of the prior knowledge relative to each pixel is controlled in accordance with the weighting coefficient map, whereby a weighting coefficient map is updated. As described above, the weighting coefficient map relative to the prior knowledge is generated from the reconstruction image (during estimation) obtained by updating the image, and the weighting coefficient of the prior knowledge relative to each pixel is controlled in accordance with the weighting coefficient map.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: January 26, 2021
    Assignee: Shimadzu Corporation
    Inventor: Kenta Chinomi
  • Patent number: 10859513
    Abstract: When performing CT imaging while maintaining a state in which a rotational axis Ax and an irradiation axis (optical axis) intersect obliquely, the X-ray CT apparatus 1 of the present invention can make assessments from a group of cross-sectional images resulting from provisional CT imaging, so even an unskilled person can determine a specific cross-sectional image with high precision, and can further determine the CT imaging conditions so that the cross-sectional image is positioned in the center. In addition, by performing main imaging by narrowing the target field from provisional CT imaging, CT imaging can be performed without the portion to be viewed deviating from the field of view. As a result, the operator can perform CT imaging without repeating a process of trial and error involving performing CT imaging while changing the CT imaging conditions, and CT imaging can be performed efficiently without requiring skill.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: December 8, 2020
    Assignee: SHIMADZU CORPORATION
    Inventor: Yoshihiko Iwao
  • Patent number: 10845320
    Abstract: Disclosed herein are 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: April 4, 2019
    Date of Patent: November 24, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Christopher Bowdon, Paul Featonby, James Stephen Howstan, Peter Jackson, Kenneth James, Emanuele Ronchi
  • Patent number: 10823686
    Abstract: Detection can be performed even for a thick inspection target object through time delay integration without degradation of spatial resolution. There is provided an X-ray inspection device configured to include: an X-ray source that generates X-rays; a transport unit that performs transporting a sample; a detecting unit that has a time delay integration type detector which detects X-rays generated by the X-ray source and transmitted through the sample transported by the transport unit; and a defect determining unit that processes a signal obtained by detecting the X-rays transmitted through the sample by the time delay integration type detector of the detecting unit and determines a defect in the sample. The transport unit performs transporting the sample while causing the sample to rotate in synchronization with the transporting when the sample passes in front of the time delay integration type detector of the detecting unit.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: November 3, 2020
    Assignee: HITACHI HIGH-TECH SCIENCE CORPORATION
    Inventors: Yuta Urano, Kaifeng Zhang, Yoshiki Matoba, Akihiro Takeda
  • Patent number: 10814146
    Abstract: A method for delivering therapeutic radiation to a target includes positioning a multi-aperture collimator on the skin within a trajectory of orthovoltage x-rays directed at the target, thus generating an array of minibeams, each of width between 0.1 mm to 0.6 mm. The skin is irradiated with the array. An effective beam of therapeutic radiation, which may be a solid beam, is delivered to the target at a predetermined tissue depth by merging adjacent orthovoltage x-ray minibeams sufficiently to form the effective beam. The effective beam may be formed proximal to the target. The depth at which the effective, preferably, solid, beam is formed is controlled by varying one or more of the spacing of the minibeams in the array, the minibeam width, the distance from the x-ray source to the collimator, and the x-ray source spot size. Planar minibeams can be arc-scanned while continuously modulating beam shape and intensity.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: October 27, 2020
    Assignees: The Research Foundation for State University of New York, The Board of Regents, The University of Texas System
    Inventors: F. Avraham Dilmanian, Sunil Krishnan, John Gordon Eley
  • Patent number: 10786213
    Abstract: A Computed Tomography (CT) machine and a rotator thereof are provided. The rotator includes a rotating base with a scanning hole, a reinforcement with an axial through hole, and a load-carrying part for carrying scanning parts. The reinforcement is of a circumferentially closed structure. The axial through hole communicates with the scanning hole in a way that the reinforcement does not axially block the scanning hole. The load-carrying part is mounted on an external peripheral surface of the rotating base, and an axial end of the load-carrying part is connected with the reinforcement.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: September 29, 2020
    Assignee: BEIJING NEUSOFT MEDICAL EQUIPMENT CO., LTD.
    Inventor: Jun Yu
  • Patent number: 10789674
    Abstract: An image processing module and related method. The module (IP) comprises—one or more input interfaces (IN) configured for receiving i) a first input image (II) acquired of an object by an imaging apparatus (IM) at a first geometrical configuration of the X-ray imaging apparatus and ii) a specification of a change from said first geometrical configuration to a second geometrical configuration of the imaging apparatus. An upsampler component (US) of the module (IP) computes a new image (I+) of the object (OB) by applying a geometrical transformation to said first input image. The geometrical transformation corresponds to said change in geometrical configuration of the imaging apparatus.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: September 29, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Hanns-Ingo Maack, Tobias Reusch
  • Patent number: 10789737
    Abstract: A computer implemented method for reconstructing a 3-D volume image using a radiographic imaging system having one or more x-ray sources and a digital detector. A plurality of radiographic images of a subject at various angles are captured in the digital detector. Image data in two or more pixels of the detector that are adjacent to each other in a row direction or a column direction are combined, while pixels adjacent in the other direction are not combined.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 29, 2020
    Assignee: Carestream Health, Inc.
    Inventors: Xiaohui Wang, Richard A. Simon, Levon O. Vogelsang, Nathan J. Packard
  • Patent number: 10765396
    Abstract: An X-ray imaging apparatus and an X-ray imaging system are described. The X-ray imaging apparatus comprises: a rail assembly, a strut assembly, an X-ray imaging assembly mounted on the strut assembly, and a power supply apparatus mounted on the strut assembly to supply power to the X-ray imaging assembly to generate X-rays for X-ray imaging. The X-ray imaging system comprises the above-mentioned X-ray imaging apparatus and a plurality of X-ray receiving apparatuses. The X-ray imaging apparatus can operate in a wide range to meet different X-ray imaging requirements, and the X-ray imaging system can complete X-ray imaging on a large number of patients in a short period of time.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: September 8, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Pengfei Du, Shaobo Gu, Jianqiang Yang
  • Patent number: 10753887
    Abstract: An X-ray CT measuring apparatus configured to emit an X-ray from an X-ray source while rotating a subject arranged on a rotary table, and obtain a tomographic image of the subject by reconstructing projection images, includes an imaging unit for imaging the subject on the rotary table from above or sideways, an obtaining unit for obtaining an image of the subject while rotating the subject, a calculating unit for calculating a maximum outer diameter of the subject during rotation by using the obtained image of the subject, and a setting unit for setting a movement limit of the rotary table on the basis of the maximum outer diameter.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: August 25, 2020
    Assignee: MITUTOYO CORPORATION
    Inventors: Kozo Ariga, Gyokubu Cho, Hidemitsu Asano, Masato Kon
  • Patent number: 10736596
    Abstract: A system and method include execution of a first nuclear imaging scan to acquire first nuclear imaging scan data of a body; generation of a target image based on the first nuclear imaging scan data execute a second nuclear imaging scan to acquire second nuclear imaging scan data of the body association of each of a plurality of portions of the second nuclear imaging scan data with a respective one of a plurality of motion phases of the body, generation, for each of the plurality of motion phases of the body, of a binned image based on the portion of the second nuclear imaging scan data associated with the motion phase, performance of motion-correction on each of the plurality of binned images based on the target image to generate a plurality of motion-corrected binned images, and generation of an image based on the target image and the plurality of motion-corrected binned images.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: August 11, 2020
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Bruce S. Spottiswoode, Juergen Soldner
  • Patent number: 10723028
    Abstract: A method calculates a calibration parameter for a robot tool. The method is based on the reception of an image dataset from medical imaging of an image volume via a first interface. The image volume contains a part of the robot tool and the robot tool is attached to a robot. A robot dataset is received by a second interface. The robot dataset contains a position of a movable axis of the robot during the recording of the image dataset. The position and/or orientation of a marking in the image dataset are determined by a computing unit. An image-based position and/or orientation of the tool center point of the robot tool are calculated by transforming the position and/or orientation of the marking. The calibration parameter is calculated based on the robot dataset and on the image-based position and/or orientation of the tool center point via the computing unit.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: July 28, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Philip Mewes, Abhinav Gulhar
  • Patent number: 10722188
    Abstract: An X-ray CT apparatus comprises a gantry including an X-ray generator in a rotor, and processing circuitry configured to control rotation of the rotor during a first scan such that a value related to first rotational speed serving as rotational speed of the rotor at a time when the first scan is finished is brought close to a setting value related to second rotational speed serving as rotational speed of the rotor in a second scan, with respect to the first scan and the second scan performed after the first scan is performed.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 28, 2020
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Takahiro Goto, Shinsuke Tsukagoshi
  • Patent number: 10716627
    Abstract: A method of planning path for a surgical instrument is provided for use during a surgical procedure. The method includes identifying a treatment target in images of a patient to be treated during a surgical procedure, determining dimensions of the patient, a surgical instrument, and an external obstruction, and determining a path to guide the surgical instrument to the treatment target during the surgical procedure. The surgical instrument is configured to be used during the surgical procedure. The external obstruction is an object external to the patient's body that interferes with one or more potential paths of the surgical instrument. The path is determined such that the surgical instrument avoids the external obstruction based on the determined dimensions of the surgical instrument and the determined dimensions of the external obstruction.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: July 21, 2020
    Assignee: COVIDIEN LP
    Inventors: Ryan Sohlden, Sharif Razzaque
  • Patent number: 10713824
    Abstract: The disclosure relates to system and method for CT image reconstruction.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: July 14, 2020
    Assignee: UIH AMERICA, INC.
    Inventor: Stanislav Zabic
  • Patent number: 10709408
    Abstract: A medical image diagnosis apparatus according to an embodiment includes an input circuitry, a scan control circuitry, and a reconstruction control circuitry. The input circuitry receives a specifying operation for specifying, from a region of a first medical image acquired such that the first medical image contains less noise, a region for which a second medical image that is a higher-definition image than the first medical image is acquired. The scan control circuitry adjusts an irradiation region of X-rays in a slice direction and a channel direction such that a part corresponding to the region on which the specifying operation is received by the input circuitry is irradiated with the X-rays. The reconstruction control circuitry performs reconstruction, on the first medical image as an initial image, by the successive approximation method by using projection data collected after the irradiation region of the X-rays is adjusted by the scan control circuitry.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: July 14, 2020
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Yasuo Saito
  • Patent number: 10702223
    Abstract: A system and method for providing a radiological imaging system including a table for greater access to patient region of interest. The imaging system includes a gantry defining an analysis zone. A source suitable to emit radiation and at least one detector suitable to receive the radiation are housed within the gantry. The system includes a translating component to translate the gantry in a main direction. The system includes a bed extending along the main direction and having a table top to support a patient, a base, and at least one support member connected between the table top and the base. The table top may translate along the main direction, and at least one support member is adjustable to raise and lower the table top. The table top may also be translating in a direction perpendicular to the main direction in a Y axis or tilted along the Z axis.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: July 7, 2020
    Assignee: Epica International, Inc.
    Inventors: Gregory William Stoutenburgh, Mark Dettman
  • Patent number: 10706596
    Abstract: According to one embodiment, an X-ray computed tomography apparatus includes data acquisition circuitry and processing circuitry. The data acquisition circuitry is configured to acquire projection data of a first area and projection data of a second area, the first area being an area where the projection data is complete for one rotation, the second area being an area where the projection data is obtained for an angle smaller than the one rotation. The processing circuitry is configured to perform, for at least part of the first area, reconstruction processing using the projection data corresponding to a partial angle among the projection data and to perform, for the second area, reconstruction processing using the projection data of a smaller acquisition range that is smaller than one rotation.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: July 7, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Yasuo Saito, Shinsuke Tsukagoshi
  • Patent number: 10699411
    Abstract: The present disclosure provides methods to process and/or display data collected using 3D imaging probes. The methods include: a) methods for mapping a single 2D frame onto a 3D representation of a volume; b) methods for dynamically updating portions of a 3D representation of a volume with a high temporal resolution, while leaving the remainder of the volume for contextual reference; c) methods for registering volumetric datasets acquired with high temporal resolution with volumetric datasets acquired with relatively low temporal resolution in order to estimate relative displacement between the datasets; and d) methods for identifying structures within a volume and applying visual cues to the structures in subsequent volumes containing the structures.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: June 30, 2020
    Assignees: SUNNYBROOK RESEARCH INSTITUTE, COLIBRI TECHNOLOGIES INC.
    Inventors: Brian Courtney, Neil Witcomb
  • Patent number: 10687732
    Abstract: Provided is a method of selecting a slice configuration of a medical imaging apparatus. According to an example, an expected scanning time for scanning a region of a scanning length by the medical imaging apparatus with each of candidate slice configurations may be determined, and one or more first slice configurations are selected from the candidate slice configurations in a way that the scanning time of each of the first slice configurations is less than a preset threshold. An expected scanning length and an expected redundant scanning dose for scanning the region by the medical imaging apparatus with each of the first slice configurations may be determined. In this way, for scanning the region by the medical imaging apparatus, a target slice configuration may be selected from the first slice configurations according to the expected redundant scanning dose.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: June 23, 2020
    Assignee: Shanghai Neusoft Medical Technology Co., Ltd.
    Inventors: Lixia Tong, Shanshan Lou
  • Patent number: 10675484
    Abstract: An imaging method uses a radiation source, shielding body, therapeutic head, and treatment device. The imaging method uses the radiation source is applied in the treatment device. The treatment device includes a radiation source. The imaging method comprises: the radiation source emitting a radiation beam having a first energy; primary scattering the radiation beam emitted by the radiation source to emit a radiation beam having a second energy; the radiation beam after primary scattering passing through a human body lesion, wherein the second energy is lower than the first energy; receiving the radiation beam passing through the human body lesion; and establishing a lesion image according to the received radiation beam.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: June 9, 2020
    Assignee: OUR NEW MEDICAL TECHNOLOGIES
    Inventors: Jinsheng Li, Haifeng Liu
  • Patent number: 10631803
    Abstract: For the purpose of reliable and comprehensive patient care, a medical imaging system for combined magnetic resonance and X-ray imaging is provided. The medical imaging system includes a magnetic resonance imaging unit and an X-ray imaging unit that are connected to each other mechanically such that the X-ray imaging unit is built into the magnetic resonance imaging unit and both units surround a patient aperture. The X-ray imaging unit includes a ring that has an X-ray tube and an X-ray detector and may rotate about the patient aperture. The ring is composed of at least four ring sectors, of which two ring sectors may be detached from the ring and at least two ring sectors are fixed in place. An X-ray detector is arranged on one of the detachable ring sectors, and an X-ray source is arranged on the other of the detachable ring sectors.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: April 28, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Dirk Ertel, Yiannis Kyriakou
  • Patent number: 10595811
    Abstract: According to one embodiment, an X-ray computed tomography apparatus includes a gantry main body, a base, a first support frame, a second support frame and gantry control circuitry. The gantry control circuitry controls a tilt of the gantry main body, a movement of the table top by the first support frame, and a movement of the first support frame by the second support frame. The gantry control circuitry executes switching between a first tilt mode in which the gantry main body is tiltable in a first angle range and a second tilt mode in which the gantry main body is tiltable in a second angle range in which a tilt angle is greater than in the first angle range.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: March 24, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Asako Sato, Yohei Matsuzawa, Keisuke Oishi
  • Patent number: 10575796
    Abstract: A computed tomography (CT) gantry including a rotary base may be provided, having two faces opposite each other along a rotation axis of the rotary base. One of the two faces is to support each of a plurality of rotary computed tomography components. The plurality of rotary computed tomography components is to perform computed tomography imaging on a user.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: March 3, 2020
    Assignee: General Electric Company
    Inventors: Vishwanath Nayak, Dhaval Dangashiya
  • Patent number: 10517534
    Abstract: An MRI apparatus comprises a image producing unit 101 for producing an image of a first body part containing a blood vessel; a defining unit 108 for defining a slice intersecting the image based on a reference position Q within the first body part, the slice being defined so that an angle of the slice is changeable with respect to the blood vessel VE; a unit for obtaining an index VI for deciding whether or not the blood vessel VE is contained within the slice for each angle ?; and a determining unit 111 for determining an angle of the slice at which the blood vessel VE is contained in the slice based on the index VI.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: December 31, 2019
    Assignee: General Electric Company
    Inventor: Takao Goto
  • Patent number: 10512443
    Abstract: Methods and systems are provided for measuring vibrations in an imaging system. In one embodiment, a method for a computed tomography (CT) system includes measuring a vibration level of a rotatable gantry of the CT system with a balance sensor coupled to a stationary housing of the CT system and outputting a notification indicating potential image artifacts based on the vibration level exceeding a vibration threshold.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: December 24, 2019
    Assignee: General Electric Company
    Inventors: Chad Allan Smith, Mark Edmund Reznicek, Ariel Friedlander
  • Patent number: 10492756
    Abstract: Methods for the correction of drive, tilt, and scanning-speed errors in imaging systems such as CT machines.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: December 3, 2019
    Assignee: NeuroLogica Corporation, a subsidiary of Samsung Electronics Co., Ltd.
    Inventors: Philip Sullivan, Matthew Christensen, Ibrahim Bechwati, Ross Caisse
  • Patent number: 10467474
    Abstract: The various technologies presented herein relate to detecting one or more vehicle tracks in radar imagery. A CCD image can be generated from a first SAR image and a second SAR image captured for a common scene, wherein the second SAR image may include a vehicle track that is not present in the first SAR image. A Radon transform (RT) process can be applied to each pixel in the CCD image, and further, a radial derivative (RDRT) can be determined for each pixel from RT values derived for each pixel. Each pixel can be labelled as being related to a track, or not, based upon a unary cost obtained from the RDRT value of that pixel, combined with a probability of the pixel label based upon labels applied to neighboring pixels. A labelled representation of the CCD image can be generated based upon the determination of “track” or “not track”.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: November 5, 2019
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Rebecca Malinas, Tu-Thach Quach, Mark W. Koch
  • Patent number: 10463322
    Abstract: The disclosure includes: judging whether a center line of an object to be scanned is deviated from a rotation axis of a gantry of a CT scanning device; determining a first distance by which the center line of the object to be scanned is deviated from the rotation axis in a case that the center line of the object to be scanned is deviated from the rotation axis; determining according to the first distance a second distance by which the shape filter is to be translated in each projection angle; and controlling the shape filter to make it translate by the second distance in each corresponding projection angle.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: November 5, 2019
    Assignee: SHENYANG NEUSOFT MEDICAL SYSTEMS CO., LTD.
    Inventors: Ling Pang, Junlong Han, Shanshan Lou
  • Patent number: 10453182
    Abstract: A database (52) stores image recipient reconstruction profiles each comprising image reconstruction parameter values. An image reconstruction module (30) is configured to reconstruct medical imaging data to generate a reconstructed image. An image reconstruction setup module (50) is configured to retrieve an image recipient reconstruction profile from the database (52) for an intended image recipient associated with a set of medical imaging data and to invoke the image reconstruction module (30) to reconstruct the set of medical imaging data using image reconstruction parameter values of the retrieved image recipient reconstruction profile to generate a reconstructed image for the intended image recipient. A feedback acquisition module (54) is configured to acquire feedback from the intended image recipient pertaining to the reconstructed image for the intended image recipient.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: October 22, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: John Patrick Collins, Chi-Hua Tung, Bin Zhang
  • Patent number: 10417795
    Abstract: A CT imaging apparatus has processing circuitry that is configured to obtain projection data collected by a CT detector during a scan of an object. The processing circuitry is also configured to perform iterative reconstruction of the projection data to generate a current image. The iterative reconstruction includes filtering forward-projected data during backprojection or filtering image data prior to forward projection to model system optics. The processing circuitry is also configured to combine the current image with a previously-obtained image to generate an updated image.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: September 17, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Michael D. Silver, Ilmar A. Hein, Alexander A. Zamyatin
  • Patent number: 10413257
    Abstract: An apparatus for collecting super-sampled imaging data includes an imaging scanner, a bed, and a first motor. The imaging scanner includes a plurality of detectors arranged substantially circumferentially about a scanner axis. The bed has a plane and a central axis that is generally in the plane of the bed. However, the bed is oriented so as to form a first non-zero degree angle between the central axis and the scanner axis. The first motor translates the bed along the central axis, and a second motor may translate the bed along an axis orthogonal to the central axis and scanner axis. Since the voxels pass through the scanner in different relative positions of the bed, additional information may be acquired during the scan.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: September 17, 2019
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Scott Dean Metzler, Samuel Matej
  • Patent number: 10405822
    Abstract: An X-ray CT apparatus according to an embodiment includes a processing circuitry configured to acquire scan region and a first scan range, and change, while the scan region is being scanned, the first scan range to a second scan range based on projection data of the scan region acquired by the scan.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 10, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Shinya Kawanabe, Masao Yamahana, Yasunobu Yamada, Naoki Yamashita, Ryosuke Higashi
  • Patent number: 10406744
    Abstract: At least one agent distributor may be to selectively deliver coalescing agent onto portions of a layer of build material at a first density and at a second density lower than the first density. A controller may be to control the at least one agent distributor to selectively deliver the coalescing agent at the first and second densities onto respective first and second portions of the layer in respective first and second patterns derived from data representing the three-dimensional object to be generated, so that when energy is applied to the layer the build material may coalesce and solidify to form a slice of the three-dimensional object in accordance with the first pattern. The second portion may be in proximity to a boundary of the first portion. Presence of the coalescing agent in the second portion may be to prevent at least some heat from flowing away from the first portion when the energy is applied.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: September 10, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Bernardo A. Gutierrez, Jacob T. Wright, Michael A. Novick
  • Patent number: 10398391
    Abstract: A tomography installation is configured to carry out a first scan along a first helix-segment-shaped trajectory section and to carry out a second scan along a second helix-segment-shaped trajectory section. A first data set is obtained during the first scan, and a second data set is obtained during the second scan. Taken by themselves in each case, both the first data set and the second data set are too incomplete for a reconstruction of a volume image without a partial revolution artifact. From the two data sets, a fused three- or four-dimensional data set is generated that is sufficiently complete for a reconstruction of a volume image without a partial revolution artifact.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: September 3, 2019
    Assignee: Siemens Healthcare GmbH
    Inventors: Patrick Kugler, Günter Lauritsch, Andreas Maier
  • Patent number: 10383588
    Abstract: A gantry of a computed tomography (CT) apparatus includes a rotating frame configured to rotate around a rotation axis and a rotation driver configured to rotate the rotating frame. The gantry also includes a stator configured to support the rotating frame while the rotating frame rotates and electronic components arranged along a circumferential direction of the rotating frame. The rotating frame includes a plurality of annular frames positioned concentrically around the rotation axis and a plurality of rib frames arranged on circumferential surfaces of the plurality of annular frames and parallel to the rotation axis in such a manner as to connect the plurality of annular frames. At least one of the plurality of annular frames and the plurality of rib frames has a recessed portion along a longitudinal direction thereof.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Alexander Yun, Sung Ki Kim, Vikram Dave
  • Patent number: 10357665
    Abstract: Provided is a radiation therapy apparatus on which quality management is performed. The radiation therapy apparatus includes: a body unit; a gantry coupled to one side of the body unit and formed to be rotatable in at least one direction with regard to the body unit; a radiation irradiating head formed at one side of the gantry to irradiate a radiation; and a level control module formed at one side of the radiation irradiating head to measure a rotation angle of the gantry or the radiation irradiating head, compare the measured rotation angle with a rotation angle indicated by an angle indicator of the radiation therapy apparatus, and correct an error of the angle indicator.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: July 23, 2019
    Assignee: Samsung Life Public Welfare Foundation
    Inventors: Sang Gyu Ju, Chae Seon Hong, Doo Ho Choi
  • Patent number: 10335095
    Abstract: A method is for local improvement of the image quality of an imaging X-ray acquisition. In an embodiment, the method includes localizing an imaging region of a structure; selecting an environment of the imaging region; setting an acquisition parameter for the environment of the imaging region, wherein the acquisition parameter for the environment of the imaging region is different from a region outside of the environment of the imaging region; and acquiring an image dataset.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: July 2, 2019
    Assignee: Siemens Healthcare GmbH
    Inventor: Thomas Flohr
  • Patent number: 10319117
    Abstract: A recording and reconstruction of image data of a predetermined object of an examination object is performed by an x-ray system. The x-ray system determines a number of elliptical cylinders so that the object is arranged entirely in the volumes of the cylinders. Data within each of the cylinders is recorded by the x-ray system. The image data of the object is reconstructed based on the data recorded for each of the cylinders.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: June 11, 2019
    Assignee: Siemens Healthcare GmbH
    Inventor: Andreas Fieselmann
  • Patent number: 10279196
    Abstract: A method and apparatus for treatment planning using four dimensional imaging data.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: May 7, 2019
    Assignee: ACCURAY INCORPORATED
    Inventors: Jay B. West, John Allison, John R. Dooley, Calvin R. Maurer, Jr.
  • Patent number: 10265042
    Abstract: A radiological imaging device that includes a source that emits radiation that passes through at least part of a patient, the radiation defining a central axis of propagation; and a receiving device that receives the radiation and is arranged on the opposite side of the patient with respect to the source. The receiving device includes a first detector to detect radiation when performing at least one of tomography and fluoroscopy, a second detector to detect radiation when performing at least one of radiography and tomography; and a movement apparatus arranged to displace the first and second detectors with respect to the source. The movement apparatus provides a first active configuration in which the radiation hits the first detector and a second active configuration in which the radiation hits the second detector.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: April 23, 2019
    Assignee: Epica International, Inc.
    Inventors: Gregory William Stoutenburgh, Damiano Fortuna, Leonardo Manetti
  • Patent number: 10251613
    Abstract: A method is disclosed for x-ray CT scanning with a dual-source system, in which two radiation bundles are each delimited by diaphragms such that these radiation bundles are free of mutual points of intersection at least in the examination object. An embodiment of the invention also relates to a dual source CT system, including a controller configured to control radiation-delimiting diaphragms, which delimit and align the radiation bundles such that these run free of mutual points of intersection at least in the examination object.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: April 9, 2019
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Thomas Allmendinger, Johan Sunnegardh
  • Patent number: 10206650
    Abstract: Among other things, one or more techniques and/or systems for calibration of a radiation system to compute a gain correction(s) are provided. A calibration procedure is performed during which a portion of the detector array is shadowed by an object, causing the detector array to be non-uniformly exposed to radiation. A portion of a projection generated from the calibration procedure and indicative of radiation that did not traverse the object is separated from a portion of the projection indicative of radiation that did traverse the object, and a gain correction(s) is computed from the portion of the projection indicative of radiation that did not traverse the object (e.g., and is thus indicative of radiation that merely traversed air).
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: February 19, 2019
    Assignee: Analogic Corporation
    Inventors: David Rozas, Aleksander Roshi, Charles Shaughnessy
  • Patent number: 10175182
    Abstract: A CT detection method is provided, comprising the steps of: (1) scanning circumferentially an object to be detected by means of X-ray according to a preset angle sampling value, which represents the number of sampling points in one circle, so as to obtain a group of projection sampling data in different projection angles, the preset angle sampling value being greater than 1000; (2) processing the projection sampling data so as to obtain projection data of a plurality of virtual sub-focuses equivalent to a large focus of radiation source in a CT system; and (3) implementing an image reconstruction according to the projection data of the plurality of virtual sub-focuses.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: January 8, 2019
    Assignees: Grandpect Company Limited, Nuctech Company Limited
    Inventors: Yongshun Xiao, Zhiqiang Chen, Ming Chang, Ziran Zhao
  • Patent number: 10140701
    Abstract: A reconstruction unit (a pre-processor, a reconstruction unit and an image processor) generates a reconstruction image based on output from the X-ray detector. A correction parameter storage stores correction parameters in time series, the correction parameters being used for correction by which noise or artifact is reduced in processing performed by the reconstruction image unit. A correction parameter analysis unit determines whether or not an abnormal condition occurs based on a temporal change in the correction parameters stored in the correction parameter storage. A notification unit issues a notification indicating the occurrence of an abnormal condition where the correction parameter analysis unit determines that the abnormal state has occurred.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: November 27, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Masao Yamahana, Shinya Kawanabe, Takahiro Yoda, Risa Onishi, Hiroyuki Onuki
  • Patent number: 10136871
    Abstract: An apparatus captures radiographic images of an animal standing on the apparatus. A base portion supports the standing animal and a moveable x-ray source is mechanically attached to the base portion. A digital radiographic detector is also mechanically attached to the base portion, and the x-ray source and the detector are configured to capture a radiographic image or a scan of at least one of the legs of the animal.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: November 27, 2018
    Assignee: Carestream Health, Inc.
    Inventors: John Yorkston, William C. Wendlandt, Peter A. Newman, Carl R. Wesolowski, Douglas M. Csaszar, Craig F. Hofmann, Donna K. Rankin-Parobek
  • Patent number: 10134157
    Abstract: [Problem] To further reduce artifacts of a reconstructed image.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: November 20, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventor: Akira Hagiwara