Patents Assigned to Toshiba Medical Systems Corporation
  • Patent number: 10152651
    Abstract: A medical image processing apparatus according to an embodiment includes acquisition circuitry, extraction circuitry, calculation circuitry, and determination circuitry. The acquisition circuitry configured to acquire a first photographic image and a second photographic image that contain tree structures of a subject. The extraction circuitry configured to extract branch points of each of the tree structures in the first photographic image and the second photographic image. The calculation circuitry configured to calculate the similarities between the branch points in the first photographic image and the branch points in the second photographic image based on the feature quantities of the branch points. The determination circuitry configured to determine the corresponding path between the branch points in the first photographic image and the branch points in the second photographic image based on the similarities between the branch points calculated by the calculation circuitry.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: December 11, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Shaobin Wang, Qi Chen, Yang Zhang, Yanhua Wang, Jialin Zhang, Minfeng Xu, Jianchun Zhao, Xiaotian Yang
  • Patent number: 10149655
    Abstract: According to one embodiment, a photon counting imaging apparatus includes an X-ray tube, an X-ray detector, and data acquisition circuitry. The X-ray detector includes a detector pixel including photoelectric conversion cells each configured to individually generate an electrical signal of a predetermined pulse height, and output circuitry configured to generate an energy signal having a pulse height corresponding to energy of the X-rays based on the electrical signals from the photoelectric conversion cells. The data acquisition circuitry corrects the energy signal based on a relationship between an amplification factor and an applied voltage to the detector pixel during a period until the voltage applied to the detector pixel recovers from a breakdown voltage to a reverse bias voltage.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: December 11, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tooru Kato, Mikihito Hayashi, Hiroaki Nakai
  • Patent number: 10149632
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a receiving unit and a determining unit. The receiving unit collectively receives settings of an imaging region on an image of a subject with respect to at least part of imaging protocols in a series of imaging protocols performed in an examination. The determining unit determines the propriety of the setting with respect to each imaging protocol included in the part of the imaging protocols before imaging is started using the part of the imaging protocols.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: December 11, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Kensuke Shinoda
  • Publication number: 20180348326
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes sequence control circuitry and processing circuitry. The sequence control circuitry executes two pulse sequences, thereby acquiring two pieces of data, each of the two pulse sequences being a pulse sequence in which the sequence control circuitry acquires data after applying a short inversion time recovery (STIR) pulse while concurrently applying a gradient magnetic field for spatial selection and each of the two pulse sequences being executed in two different timings by the sequence control circuitry. The processing circuitry generates an image by performing a subtraction processing between the two pieces of data acquired by the sequence control circuitry.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 6, 2018
    Applicant: Toshiba Medical Systems Corporation
    Inventor: Mitsue MIYAZAKI
  • Patent number: 10143439
    Abstract: An ultrasound diagnosis apparatus includes: a transmitting and receiving unit that transmits and receives an ultrasound wave to and from a subject; a first image data generating unit that generates first image data based on a first parameter, from a reception signal received by the transmitting and receiving unit; a second image data generating unit that generates second image data having an image taking region of which at least a part overlaps with that of the first image data and being based on a second parameter that is different from the first parameter, from a reception signal received by the transmitting and receiving unit; and an image processing unit that calculates a feature amount from at least such a part of the second image data that overlaps with the first image data and corrects the overlapping part of the first image data on a basis of the calculated feature amount.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: December 4, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Ryota Osumi, Tetsuya Kawagishi
  • Patent number: 10140752
    Abstract: A medical image diagnosis system according to an embodiment includes a determining unit, a rendering processing unit, and an output unit. The determining unit is configured to, based on information related to a stereoscopic function of a display unit connected to an output target apparatus serving as an output target, determine a parallax image number of images that are for realizing a stereoscopic view and are to be displayed by the display unit. The rendering processing unit is configured to generate rendering images corresponding to the parallax image number, by performing a rendering process on volume data that represents three-dimensional medical images. The output unit is configured to output the rendering images corresponding to the parallax image number to the output target apparatus, as the images that are for realizing the stereoscopic view and are to be simultaneously displayed by the display unit.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: November 27, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Satoshi Wakai, Yoshiyuki Kokojima
  • Patent number: 10140543
    Abstract: A medical image processing apparatus according to an embodiment includes a reception unit and a detection unit. The reception unit is configured to receive two points specified on at least one sagittal image. The detection unit is configured to detect an intervertebral disc by evaluating a luminance distribution within a region that includes the two points.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: November 27, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Qiuying Dong, Jin Xu, Pengfei Liu, Jianchun Zhao, Kensuke Shinoda, Yasuo Sakurai
  • 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: 10136877
    Abstract: An ultrasound diagnosis apparatus according to an embodiment includes a parameter setting unit, a Fly Thru image generating unit, and a controlling unit. The parameter setting unit sets a value of an image quality adjusting parameter used for generating a PVR image obtained by projecting the inside of a lumen from a predetermined viewpoint, on the basis of information about the lumen rendered in an MPR image generated by using volume data. The Fly Thru image generating unit generates the PVR image by using the value of the image quality adjusting parameter that was set. The controlling unit then causes a monitor to display the PVR image.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: November 27, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Go Tanaka, Kazuya Akaki, Yoshihiro Oomori, Satoshi Matsunaga, Tetsuya Higashi
  • Patent number: 10140700
    Abstract: According to embodiment, an image processing apparatus comprising a specifying unit and a display controller. The specifying unit that specifies an acquisition position of an indicator relating to blood flow on a blood vessel-containing image collected by a medical image diagnostic apparatus. The display controller that displays the acquisition position on the blood vessel-containing image and displays the indicator on a display unit in association with the acquisition position.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: November 27, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Akihito Takahashi, Satoshi Wakai, Takuya Sakaguchi
  • Publication number: 20180336677
    Abstract: There is provided an apparatus comprising processing circuitry configured to: receive first medical image data obtained using a first type of imaging procedure, wherein the first medical image data is representative of an anatomical region of a subject; and apply a simulator to perform a simulation process on the first medical image data to obtain simulated second medical image data, the simulated second medical image data having properties so as to simulate image data that is obtained using a second type of imaging procedure. The simulator comprises an image synthesizer that is trained in combination with a discriminator in an adversarial fashion by repeatedly alternating an image synthesizer training process in which the image synthesizer is trained to produce simulated medical image data, and a discriminator training process in which the discriminator is trained to distinguish between real medical image data and simulated medical image data.
    Type: Application
    Filed: May 18, 2017
    Publication date: November 22, 2018
    Applicant: Toshiba Medical Systems Corporation
    Inventors: James SLOAN, Keith GOATMAN
  • Patent number: 10130320
    Abstract: In an X-ray CT apparatus of an embodiment, an X-ray tube emits X-rays. A detector detects the X-rays emitted from the X-ray tube and having passed through a subject. Processing circuitry collects projection data based on data detected by the detector. The Processing circuitry generates a reconstructed image from the projection data. A display displays a display image based on the reconstructed image. A input circuitry receives an operation to rotate a first display image based on a first reconstructed image generated by the processing circuitry on a screen of the display, and specify a certain region on a second display image whose axis is in a direction different from a slice direction. The processing circuitry generates a second reconstructed image from the projection data, having higher resolution than that of the first display image, for the certain region.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: November 20, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yasuo Saito, Shinsuke Tsukagoshi
  • Patent number: 10130336
    Abstract: An ultrasound probe and ultrasonic diagnosis apparatus that can maintain surface temperature of an ultrasound probe within a safe range, without reduction in performance. The ultrasound probe includes a casing, a transducer, an electronic circuit, and a heat-transfer construction. Elements of the transducer are aligned at one end of the casing and send out ultrasound waves in accordance with their respective delay times. The electronic circuit, disposed in the casing, includes a delay circuit setting delay times and pulsers for generating pulses in accordance with the delay times, the pulses being sent to the transducer. While the electronic circuit is being energized, the heat-transfer construction disposes a member having a low heat conductivity at least either between the electronic circuit and the casing or between the electronic circuit and the transducer. Thereby, heat from the electronic circuit is conducted to the other end of the casing.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: November 20, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yasuo Miyajima, Hironobu Hongou, Toru Hirano, Isao Uchiumi, Nobuyuki Iwama, Masaaki Ishitsuka
  • Patent number: 10130316
    Abstract: An X-ray CT apparatus includes a table-top, an X-ray tube, a detector and a processing circuitry. The processing circuitry reconstructs a CT image based on a detection signal. The processing circuitry sets a field of view based on positions of a puncture needle and a puncture target on the CT image. The processing circuitry controls an X-ray irradiation coverage based on the field of view, the X-ray irradiation coverage being an area irradiated with the X-rays. The processing circuitry displays a CT image reconstructed in the field of view on a display, after the X-rays based on the X-rays whose irradiation coverage is controlled emitted and the detection signal is outputted.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: November 20, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Shintaro Funabasama, Takeo Nabatame
  • Patent number: 10132903
    Abstract: In one embodiment a magnetic resonance imaging method is disclosed. The method includes the steps of selecting a first RF pulse, selecting a second RF pulse, selecting one of the first RF pulse and the second RF pulse to be spatially selective, with the other being non-spatially selective, selecting a frequency of the first RF pulse to be the same or different than a frequency of the second RF pulse, applying the first RF pulse to excite a first portion of an object, applying the second RF pulse, forming at least one echo in the first portion of the object, obtaining signal data from the first portion of the object in response to the first RF pulse and the second RF pulse and reconstructing the obtained signal data from the first portion to form an image.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: November 20, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Andrew J Wheaton
  • Patent number: 10130324
    Abstract: According to one embodiment, an image analysis device includes a parameter value acquisition unit, a color allocation unit and a time phase image generation unit. The parameter value acquisition unit acquires a parameter value per pixel, on the basis of time variation of pixel values per pixel corresponding to the same region of an object in image data of a plurality of sequential DSA images. The color allocation unit generates a color map in which a (chromatic) color in accordance with the parameter value is allocated per pixel corresponding to the same region of the object. The time phase image generation unit generates color image data of time phase images respectively corresponding to a plurality of time phases, by reflecting information in accordance with pixel values of the DSA images to each pixel of the color map.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: November 20, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Ryoichi Nagae, Yoshinori Shimizu, Nobuo Kobayashi, Keisuke Nakamura, Kunio Shiraishi
  • Patent number: 10134130
    Abstract: A magnetic-resonance imaging apparatus of an embodiment includes acquiring circuitry and processing circuitry. The acquiring circuitry acquires a magnetic resonance signal that is generated from a subject. The processing circuitry creates a phase image based on the magnetic resonance signal. The processing circuitry sets a combination of a plurality of filters that are used to remove a phase variation derived from a background magnetic field according to a region in the phase image. The processing circuitry removes a phase variation derived from the background magnetic field from the phase image by using the combination of the filters.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: November 20, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takamasa Sugiura, Taichiro Shiodera, Tomoyuki Takeguchi, Yasunori Taguchi, Naotaka Sakashita, Masao Yui
  • Publication number: 20180330503
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
    Type: Application
    Filed: July 11, 2018
    Publication date: November 15, 2018
    Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Yiemeng HOI, Joseph Manak, Kazumasa Arakita, Jingwu Yao, James Begelman, Victor Gorin
  • Publication number: 20180325600
    Abstract: A puncture support device includes a display unit, a puncture target setting unit, a puncturable region setting unit, a puncture route extraction unit, a safety degree calculation unit, and an insertion point candidate region display control unit. The puncture target setting unit is configured to set a puncture target in a acquired volume data. The puncturable region setting unit is configured to set a puncturable region on a body surface image. The puncture route extraction unit is configured to extract a puncture route from the set puncturable region on the body surface image to the puncture target. The safety degree calculation unit is configured to calculate a safety degree of the extracted puncture route. The insertion point candidate region display control unit is configured to divide the puncturable region into groups based on the calculated safety degree, and display the divided region on the display unit.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 15, 2018
    Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Kota AOYAGI
  • Patent number: 10123765
    Abstract: The present embodiment relates to an ultrasound probe having a first ultrasound vibrator group and a second ultrasound vibrator group, comprising a plurality of matrix switches and an adder. The ultrasound probe has a mode to send ultrasound to a predetermined observation point within a subject by the first ultrasound vibrator group, and to receive ultrasound echoes reflected within the subject by the second ultrasound vibrator group. The plurality of matrix switches extract, based on the distance between the second ultrasound vibrator group and the observation point, a plurality of ultrasound echoes having substantially the same phase from a plurality of ultrasound echoes output by the second ultrasound vibrator group. The adder adds the plurality of ultrasound echoes extracted by the plurality of matrix switches for each of the matrix switches and outputs them.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: November 13, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Hironobu Hongou, Toru Hirano, Isao Uchiumi, Masaaki Ishitsuka, Takayuki Shiina