Patents Assigned to Toshiba Medical Systems Corporation
  • Patent number: 10371769
    Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a static field magnet, a gradient coil, at least one radio frequency coil, a receiver and processing circuitry. The static field magnet, the gradient coil, the at least one radio frequency coil and the receiver are configured to acquire magnetic resonance signals from an object. The processing circuitry is configured to generate magnetic resonance image data based on the magnetic resonance signals. The receiver is configured to convert analog magnetic resonance signals received by the at least one radio frequency coil into digital magnetic resonance signals without a downconversion; separate the digital magnetic resonance signals into in-phase signals and quadrature-phase signals; and perform filter processing for removing noises of the in-phase signals and the quadrature-phase signals.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: August 6, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kazuyuki Soejima, Sojuro Kato, Makoto Hirama
  • Patent number: 10368777
    Abstract: Black blood time to inversion (BBTI) tag-on and tag-off images acquired by magnetic resonance imaging (MRI) are analyzed to produce difference magnitude 3D images as a function of time (BBTI values) representing blood perfusion in a region of interest (ROI). Perfusion data of the ROI having values which are different for normal and abnormal myocardial tissues are displayed for plural slices of a 3D image and for plural BBTI values in a single display panel.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 6, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Xiangzhi Zhou, Mitsue Miyazaki, Tsutomu Hoshino
  • Patent number: 10368779
    Abstract: A magnetic resonance imaging apparatus of an embodiment includes: a bed top plate provided with a connector which can be coupled with a receiving coil; a bed which supports the bed top plate, the bed being configured to shift the bed top plate vertically and horizontally, the bed being configured to be jointly coupled with a stretcher apparatus having a stretcher top plate, and the stretcher top plate being placed on top of the bed top plate in a case where the stretcher apparatus is jointly coupled and; a bed controller configured to control a shift of the bed top plate correspondingly to at least one of a joint coupling condition between the bed and the stretcher apparatus and a coupling condition between the receiving coil and the connector.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: August 6, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Ayumi Katsunuma
  • Patent number: 10365344
    Abstract: An MRI system according to an embodiment includes an MRI sequence controller and an MRI system controller. Serving as a prescan unit, the MRI sequence controller performs a prescan for acquiring a sensitivity distribution of a coil. Serving as a main scan unit, the MRI sequence controller performs a main scan for acquiring signals of a magnetic resonance image. Serving as a corrector, the MRI system controller corrects the sensitivity distribution in accordance with a distortion that is contained in the magnetic resonance image and that results from the performing of the main scan. Serving as a generator, the MRI system controller generates an output magnetic resonance image using the corrected sensitivity distribution.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: July 30, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Wayne R. Dannels, Takashi Shigeta
  • Patent number: 10363018
    Abstract: According to one embodiment, a medical processing apparatus includes processing circuitry. The processing circuitry adds incidental information including information regarding a kind concerning each of a plurality of regions in a heart to an analysis result of each of the regions. The analysis result is obtained by analyzing medical data. The processing circuitry determines a display position of the analysis result of each of the regions based on the incidental information.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: July 30, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Shogo Fukuda, Yasuhiko Abe, Tetsuya Kawagishi, Koji Ando, Mitsuo Akiyama
  • Patent number: 10365335
    Abstract: According to an embodiment, a magnetic resonance imaging apparatus includes a couch, a gantry, a receiving coil, a converter, and a collector. On the couch, a subject is placed. The gantry supports a static magnetic field magnet and a gradient coil. The receiving coil receives a magnetic resonance signal emitted from the subject. The converter converts a magnetic resonance signal output from the receiving coil into a digital signal, thereby generating magnetic resonance signal data. The collector collects the magnetic resonance signal data. The couch or the gantry includes a coil port that connects the receiving coil and the collector to each other. The converter is provided in the coil port or a relay device that relays between the receiving coil and the coil port.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: July 30, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Akio Mori, Mitsuo Takagi
  • Patent number: 10363013
    Abstract: According to one embodiment, an ultrasound diagnosis apparatus includes an ultrasound probe that transmits/receives ultrasound waves to/from a subject, a reference position member arranged on the ultrasound probe, and a sensor located in a position having a predetermined positional relationship relative to a puncture needle. The ultrasound diagnosis apparatus further includes a position information acquisition unit, a needle length information acquisition unit, and a display. The position information acquisition unit acquires position information of the reference position member and the sensor. The needle length information acquisition unit acquires needle length information indicating the length of the puncture needle based on the position information of the reference position member and the sensor when the tip of the puncture needle is in contact with the reference position member, and the relative position.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 30, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takashi Masuda, Shouichi Nakauchi, Takashi Koyakumaru, Tomio Nabatame, Tomoko Suzuki
  • Patent number: 10363003
    Abstract: According to one embodiment, an X-ray computed tomography imaging apparatus includes an X-ray source, an X-ray detector, a gantry, a column, and a display. The display configured to display, on the floor surface, a graphic corresponding to one of a range in which a field of view formed by the X-ray source and the X-ray detector is projected onto the floor surface from a vertical direction of the gantry and a range in which an outer edge of the bore is projected onto the floor surface from the vertical direction of the gantry.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: July 30, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventor: Keisuke Oishi
  • Publication number: 20190227135
    Abstract: In one embodiment, an MRI apparatus, which is wirelessly connected to a wireless RF coil equipped with a plurality of coil elements, includes memory circuitry configured to store at least one program and processing circuitry configured, by executing the at least one program, to (a) set an imaging region of an object, (b) identify a position of each of the plurality of coil elements included in the wireless RF coil based on a signal obtained by radio communication with the wireless RF coil, and (c) select at least one of the plurality of coil elements with respect to three axes, based on positional relationship between the imaging region and the position of each of the plurality of coil elements.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 25, 2019
    Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Kazuya Okamoto
  • Patent number: 10357214
    Abstract: According to an embodiment, a photon counting CT apparatus includes a scintillator, a photodiode array, a holder, a divider, and an image generator. The scintillator is configured to convert X-rays into light. The array includes first and second pixels. The first pixel includes a photodiode in a first range receiving the light emitted from the scintillator. The photodiode outputs an electrical signal based on the light. The second pixel includes a photodiode in a second range different from the first range. The holder is circuitry configured to hold a value of an electrical signal output by the second pixel. The divider circuitry is configured to count the number of photons of light incident on the first pixel by dividing an integrated value of electrical signals output by the first pixel by the held value. The image generator is circuitry configured to reconstruct an image based on the counted number.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: July 23, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Shunsuke Kimura, Hideyuki Funaki, Go Kawata
  • Patent number: 10357216
    Abstract: According to one embodiment, a mammography apparatus includes an X-ray, an imaging stage, a pressing plate, a guide information generator, and an X-ray detection unit. The X-ray tube generates X-rays. The imaging stage supports a breast. The pressing plate presses the breast supported on the imaging stage. The guide information generator provides the imaging stage with guide information for guiding a placement position of the breast. The guide information is generated based on a nipple position, an image start position, and an image end position of a previous image of the breast. The X-ray detection unit generates X-ray projection data by detecting X-rays transmitted through the breast by an X-ray detector.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: July 23, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Atsuko Sugiyama, Yoshimasa Kobayashi, Mariko Shibata, Toshie Maruyama
  • Patent number: 10359483
    Abstract: According to one embodiment, a radio frequency coil unit includes coil elements, first switching parts and second switching parts. The coil elements are arranged in a first direction and a second direction. Each of the first switching parts and each of the second switching parts are installed in a corresponding coil element of the coil elements and switch the corresponding coil element between an on state and an off state. At least two of the first switching parts are connected in series in the first direction by a first control signal line. At least two of the second switching parts are connected in series in the second direction by a second control signal line.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: July 23, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventor: Kazuya Okamoto
  • Patent number: 10360677
    Abstract: A method and apparatus is provided to denoise computed tomography (CT) sinograms and reconstructed images by minimizing a penalized-weighted-least-squares objective function that includes a joint-edge-preserving regularization term. Common information shared among a series of related image and/or sinograms can beneficially be used to more accurately identify edges common to all of the image and/or sinograms. Thus, a joint edge preserving regularizer that relies on information from a series of three-dimensional constituents of a four-dimensional image, such as a time series of images in a CT profusion study or an energy series of images in spectral CT, can improve image quality by better preserving edges while simultaneously denoising the constituent images.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: July 23, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Zhou Yu, Yan Liu
  • Patent number: 10359490
    Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a data acquiring part and a processing circuit. The data acquiring part is configured to acquire a magnetic resonance signal after applying an inversion recovery pulse or a saturation pulse. The processing circuit generates magnetic resonance examination data based on the magnetic resonance signal, by data processing including processing for compensating an incomplete inversion of a longitudinal magnetization resulting from an inversion efficiency of the inversion recovery pulse or processing for compensating an incomplete saturation of a longitudinal magnetization resulting from a saturation efficiency of the saturation pulse.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: July 23, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Shigehide Kuhara
  • Patent number: 10359492
    Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes an acquiring part and an analysis part. The acquiring part is configured to acquire magnetic resonance signals for an analysis by magnetic resonance spectroscopy. The analysis part is configured to perform correction processing of magnetic resonance signals for an eddy current correction and obtain a frequency spectrum of the magnetic resonance signals for the analysis by the eddy current correction using magnetic resonance signals after the correction processing. The correction processing removes an influence of a magnetic resonance signal component from a predetermined metabolite.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: July 23, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Masaaki Umeda
  • Patent number: 10353024
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a plurality of first coil elements and a connector. The first coil elements are embedded in a couchtop on which a subject is placed. The connector is provided in such a region of the couchtop that is positioned on the inside of the loop of at least one of the first coil elements. It is possible to attach and detach a second coil element different from the first coil elements to and from the connector.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: July 16, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Sadanori Tomiha, Kazuya Okamoto, Manabu Ishii, Satoshi Imai, Mitsuo Takagi, Miyuki Ota
  • Patent number: 10354417
    Abstract: An embodiment provides a medical image processing apparatus that comprises circuitry. The circuitry obtains detection data representing detection events of radiation at a plurality of detector elements. The circuitry reconstructs an image by iteratively using an optimization-transfer algorithm to the detection data. The optimization-transfer algorithm uses a quadratic surrogate function that includes a curvature. The curvature is calculated using an inverse-background image.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: July 16, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Jian Zhou, Evren Asma, Wenli Wang
  • Patent number: 10349915
    Abstract: An image processing apparatus according to an embodiment includes a scanning protocol creation unit, an image acquisition unit, a post-processing unit, and a storage unit. The scanning protocol creation unit creates a scanning protocol for a particular part of body of an object. The image acquisition unit acquires source image data by scanning the particular part using an imaging device according to scanning parameters in the scanning protocol. The post-processing unit performs post-processing on the source image data according to post-processing parameters in the scanning protocol to obtain processed image data. The storage unit stores the scanning protocol, or store the source image data and the processed image data or index identifiers thereof in association with parameters related to the scanning protocol as single job data of the object. The scanning protocol includes the scanning and the post-processing parameters, and information related to the imaging device and the post-processing unit.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: July 16, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Qiqi Xu, Xiaojing Wang, Li jun Zhang, Atsuko Sugiyama
  • Patent number: 10353085
    Abstract: A radiation detector according to an embodiment includes a plurality of detector modules, a first and second radiation shield, and a first supporter. The first radiation shield is provided in a first detector module and is arranged on a side opposite to a surface of a first detector pack of a first detector module on which radiation is incident. The second radiation shield is arranged to intersect with a path of radiation that passes through between a first detector pack and a second detector pack of a second detector module that is arranged adjacently to the first detector module. The first supporter supports the first radiation shield such that at least a part of the first radiation shield overlaps the second radiation shield on the path of radiation.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: July 16, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takayuki Ogawa, Kuniaki Yamamoto
  • Patent number: 10353042
    Abstract: According to one embodiment, an MRI apparatus includes a generator, an amplifier, and processing circuitry. The generator sequentially generates RF pulses comprising an RF pulse train defined in a pulse sequence. The amplifier amplifies the RF pulses sequentially inputted from the generator. The processing circuitry calculates a correction value, each time an amplified RF pulse is outputted from the amplifier, based on a difference between an output value of the amplified RF pulse and a reference output value. Further, the processing circuitry applies the correction value promptly to an RF pulse to be inputted to the amplifier, the RF pulse to be inputted to the amplifier being included in the RF pulse train and being generated after an RF pulse corresponding to the amplified RF pulse used for calculation of the correction value is generated.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: July 16, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Masaaki Yamanaka