Patents Assigned to Toshiba Medical Systems
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Patent number: 9962086Abstract: A medical imaging data processing apparatus comprises a receiving unit configured to receive first medical imaging data that represents a region of a subject at a first time, and second medical imaging data that represents the region of the subject at a second, later time, a registration unit configured to perform a registration procedure to obtain registration data representative of a registration between the first medical imaging data and the second medical imaging data, an evaluation unit configured to process the registration data to determine, for each of a plurality of positions in the region, a value of a registration measure, the registration measure representing at least one feature of the registration as a function of position, wherein the evaluation unit is configured to, for at least some of the plurality of positions in the region, determine whether an abnormality is present by comparing the value of the registration measure to a statistical atlas.Type: GrantFiled: March 31, 2015Date of Patent: May 8, 2018Assignee: Toshiba Medical Systems CorporationInventors: Mohammad Dabbah, Keith Goatman, Ian Poole
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Publication number: 20180120450Abstract: A collimator includes a plurality of modules each of which has a grid formation and in each of which a plurality of walls are arranged in a row in a first direction and a second direction intersecting the first direction. The plurality of modules are connected together by one or more connecting parts.Type: ApplicationFiled: February 28, 2017Publication date: May 3, 2018Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroki TASHIRO, Hideshi NAKANO, Tooru TANAKA, Aya WATASE, Shuya NAMBU
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Publication number: 20180122074Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry configured to: extract position information of innervation from subject data; convert a subject nerve region that is based on the extracted position information into atlas data; analyze a position relation between a functional area in a brain in the atlas data and the converted subject nerve region; and convert the analysis result into the subject data.Type: ApplicationFiled: July 6, 2017Publication date: May 3, 2018Applicant: Toshiba Medical Systems CorporationInventors: Bing LI, Xiaowei YUAN, Jinbiao ZHANG, Jing LIU
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Publication number: 20180117360Abstract: A gantry applies particle beams to a subject. An ultrasonic diagnostic apparatus scans the subject with ultrasonic waves via an ultrasonic probe, and acquires an ultrasonic image concerning a radiotherapy target region of the subject. A processing circuitry specifies a first planned point of a Bragg peak in the ultrasonic image, which anatomically coincides approximately with a second planned point of the Bragg peak decided in radiotherapy planning. The processing circuitry estimates a sighting point of the Bragg peak of a particle beam based on a body surface position of the subject and an actual range of the particle beam. The display displays the ultrasonic image to indicate the first planned point and the sighting point.Type: ApplicationFiled: October 25, 2017Publication date: May 3, 2018Applicant: Toshiba Medical Systems CorporationInventors: Takayuki Kuwahara, Satoru Ohishi
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Patent number: 9959638Abstract: In one embodiment, an X-ray CT apparatus includes an X-ray tube that radiates, an X-ray, a detector that outputs a plurality of pieces of pre-compression data on a basis of the X-ray first processing circuitry and second processing circuitry. The first processing circuitry groups the plurality of pieces of pre-compression data to generate grouped data corresponding to the pre-compression data in each group, and generates data for restoration for restoring the pre-compression data, wherein the first processing circuitry transmits the grouped data and the data for restoration to the second processing circuitry.Type: GrantFiled: March 7, 2016Date of Patent: May 1, 2018Assignee: Toshiba Medical Systems CorporationInventor: Tomotaka Sasaya
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Patent number: 9955952Abstract: An ultrasonic diagnostic device includes transmission circuitry, reception circuitry, and signal processing circuitry. The transmission circuitry causes an ultrasonic probe including a plurality of elements to transmit plane waves at a plurality of different deflection angles. The reception circuitry generates reception signal groups based on reflection waves that the individual elements included in the probe receive in response to the transmission of the plane waves.Type: GrantFiled: May 15, 2015Date of Patent: May 1, 2018Assignee: Toshiba Medical Systems CorporationInventors: Makoto Hirama, Yasuhiko Abe, Takeshi Sato, Yasunori Honjo
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Patent number: 9955936Abstract: According to one embodiment, An X-ray diagnostic apparatus includes an X-ray generator that generates X rays, an X-ray detector that detects the X rays generated by the X-ray generator and having passed through a subject, an X-ray restrictor that restricts an irradiation range on a detection surface of the X-ray detector of the X rays generated by the X-ray generator, a signal input unit that inputs a biomedical signal related to the subject, a signal detector that detects a biomedical change from the biomedical signal and also outputs an extension switching signal, and an X-ray restrictor controller that controls the X-ray restrictor such that the irradiation range of the X rays is extended in response to output of the extension switching signal.Type: GrantFiled: April 3, 2015Date of Patent: May 1, 2018Assignee: Toshiba Medical Systems CorporationInventors: Yuki Totsuka, Masaharu Soya, Ryuji Zaiki, Masahiro Ozawa
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Publication number: 20180110484Abstract: According to one embodiment, a compression plate compresses a breast of a subject with the breast between the compression plate and an imaging plane of an imaging table. The compression plate including a compression face and a chest wall face. The compression face is configured to compress the breast to the imaging table. The chest wall face is configured continuously from the compression face to be in contact with a chest wall of the subject during X-ray imaging. The chest wall face includes a second region which is in contact with the chest wall of the subject, and the second region has surface roughness which is greater than that of a first region of the compression face, which is opposed to the imaging table.Type: ApplicationFiled: October 19, 2017Publication date: April 26, 2018Applicant: Toshiba Medical Systems CorporationInventors: Yoshimasa Kobayashi, Takehito Tomaru
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Publication number: 20180113180Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes processing circuitry and sequence control circuitry. The processing circuitry specifies a position of an imaging target of a subject in a bore, using an image collected by a first imaging protocol. The processing circuitry determines, in accordance with the specified position, a correction value for a phase of an RF pulse and/or a correction value for an amplitude of the RF pulse, the RF pulse being related to a transmit RF wave, so that non-uniformity in a magnetic field of the transmit RF wave transmitted to the imaging target can be corrected. The sequence control circuitry executes a second imaging protocol for the subject, using the determined correction value.Type: ApplicationFiled: October 18, 2017Publication date: April 26, 2018Applicant: Toshiba Medical Systems CorporationInventors: Keiichiro ISHI, Hiroki KONDO, Masaaki UMEDA
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Patent number: 9949711Abstract: An X-ray computed tomography apparatus according to the present embodiment comprises a gantry and a tube current setting circuitry. The tube current setting circuitry set tube currents for the respective imaging regions. To be specific, the tube current setting circuitry calculate X-ray absorption index values in the respective imaging regions, based on scanogram image data, determine tube current values corresponding to the X-ray absorption index values for the respective imaging regions, and correct the tube current values of the respective imaging regions except for a reference region based on a relative relationship between an X-ray absorption index value of the reference imaging region and tube current values of the other imaging regions.Type: GrantFiled: October 29, 2015Date of Patent: April 24, 2018Assignee: Toshiba Medical Systems CorporationInventors: Takahiro Goto, Naruomi Akino, Yoshinori Uebayashi, Hiroki Taguchi
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Patent number: 9949698Abstract: According to one embodiment, an X-ray imaging apparatus includes an X-ray imaging system, a control system, and a display processing circuit. The X-ray imaging system is configured to acquire X-ray image data of an object. The control system is configured to control the imaging system to acquire frames of X-ray image data corresponding to mutually different not less than three directions by reciprocating the imaging system. The display processing circuit is configured to generate stereoscopically visible image data by lining up the frames of the X-ray image data in a display order different from an acquisition order of the frames of the X-ray image data. The display order is according to a moving direction of the imaging system.Type: GrantFiled: March 18, 2014Date of Patent: April 24, 2018Assignee: Toshiba Medical Systems CorporationInventors: Takuya Sakaguchi, Hisato Takemoto
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Patent number: 9952295Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry and a screen. The gantry for medical imaging includes a bore. The screen is insertable into the bore. A predetermined image is projected by a projector on the screen. The screen forms a shape that enables light generated by the projector to arrive at an inner wall of the gantry.Type: GrantFiled: October 26, 2016Date of Patent: April 24, 2018Assignee: Toshiba Medical Systems CorporationInventors: Hiromitsu Takamori, Yu Ueda, Takashi Sasaki, Aira Hotta, Takahiro Murata
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Publication number: 20180108169Abstract: A medical image rendering apparatus comprises processing circuitry configured to: display a first image rendered from a volumetric imaging data set, wherein the first image comprises a plurality of pixels; receive a changed value for a parameter associated with a volumetric region of the volumetric imaging data set; obtain a subset of the plurality of pixels, the subset comprising pixels corresponding to rays that intersect the volumetric region of the volumetric imaging data set; re-render each pixel of the subset of pixels by casting a respective ray into the volumetric imaging data set using the changed value for the parameter; and generate a second image in which pixels of the first image that are not part of the subset of pixels are retained, and pixels of the first image that are part of the subset of pixels are replaced by the re-rendered pixels.Type: ApplicationFiled: October 14, 2016Publication date: April 19, 2018Applicant: Toshiba Medical Systems CorporationInventor: David MILLER
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Publication number: 20180103926Abstract: According to one embodiment, an ultrasound diagnosis apparatus includes a storage and a control unit. The storage stores transmission/reception conditions for a first ultrasound probe among a plurality of ultrasound probes. Upon receipt of a second switching instruction to switch a second ultrasound probe to the first ultrasound probe after a first switching instruction to switch the first ultrasound probe to the second ultrasound probe, the control unit applies the transmission/reception conditions stored in the storage to the first ultrasound probe when the time between the first switching instruction and the second switching instruction is less than a predetermined time.Type: ApplicationFiled: October 12, 2017Publication date: April 19, 2018Applicant: Toshiba Medical Systems CorporationInventors: Koichi MORIKAWA, Hironobu Hongou, Gen Nagano, Kenichi Unayama, Satoshi Kamiyama
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Patent number: 9943881Abstract: An ultrasound transducer includes an electric vibrator including a vibrator contact layer, to transmit and receive ultrasound wave, and a circuit-board including a circuit contact layer connected to the vibrator contact layer, to transmit and receive ultrasound signals via the vibrator contact layer. A maximum width which width is an extent of a shorter side of the circuit contact layer, is same to a width of the electric vibrator. The circuit contact layer includes a bonding area that extends to a surface of a circuit-board and a surface of the vibrator contact layer. An adhesive is provided in the bonding area to adhere the electric vibrator and the circuit-board to each other.Type: GrantFiled: February 10, 2015Date of Patent: April 17, 2018Assignee: Toshiba Medical Systems CorporationInventors: Kengo Okada, Minoru Aoki, Hiroyuki Shikata, Takashi Kubota, Yasuhiro Ona
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Patent number: 9945880Abstract: According to one embodiment, an automatic analyzer includes a magnetic field generator, a photometric unit, a measurement unit, and a decision unit. The magnetic field generator causes magnetic separation in a reaction liquid stored in a cuvette by magnetic particles. The photometric unit includes a light source unit configured to generate light, and a detection unit configured to detect the light generated by the light source unit and generate an output signal corresponding to the detected light. The measurement unit measures a measurement item based on the output signal. The decision unit decides the use range of the output signal to be used to measure the measurement item in accordance with spatial unevenness of the magnetic separation by the magnetic field generator.Type: GrantFiled: July 2, 2014Date of Patent: April 17, 2018Assignee: Toshiba Medical Systems CorporationInventors: Satoshi Matsumoto, Tetsuya Higashi, Masakazu Kitamura
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Publication number: 20180098706Abstract: According to one embodiment, a medical image processing apparatus includes first specifier, second specifier, determiner and display controller. First specifier collates an ischemic region calculated from a blood vessel visualized into a three-dimensional image in a plurality of phases with a dominating region of the blood vessel, and specifies a culprit vessel in the ischemic region. Second specifier specifies a culprit stenosis in the culprit vessel based on a pressure index calculated from the blood vessel. Determiner determines a connection position to connect a bypass vessel that makes a detour around the culprit stenosis. Display controller displays the determined connection position on a display.Type: ApplicationFiled: December 11, 2017Publication date: April 12, 2018Applicant: Toshiba Medical Systems CorporationInventor: Takuma Igarashi
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Publication number: 20180098746Abstract: An X-ray image diagnostic apparatus according to an embodiment includes a photon counting X-ray detector, calibration circuitry, and image generating circuitry. The photon counting X-ray detector includes a plurality of detection elements each of which is configured to detect X-rays and output a detection signal. The calibration circuitry calibrates a detection signal of each of the detection elements using a correction value calculated from a plurality of signals output from the detection elements and corresponding to a plurality of X-ray application conditions relating to continuous X-rays. The image generating circuitry generates an image using the calibrated detection signals of the detection elements.Type: ApplicationFiled: October 3, 2017Publication date: April 12, 2018Applicant: Toshiba Medical Systems CorporationInventors: Tooru KATO, Hiroaki NAKAI
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Patent number: 9939505Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a data acquiring unit and a data processing unit. The data acquiring unit is configured to acquire magnetic resonance signals according to an imaging condition for applying a first off-resonance radio frequency pulse after an application of an excitation pulse and before a readout of the magnetic resonance signals, and applying a second off-resonance radio frequency pulse after the readout of the magnetic resonance signals and before an application of a following excitation pulse. The first off-resonance radio frequency pulse generates a phase shift in the magnetic resonance signals. The second off-resonance radio frequency pulse compensates the phase shift. The data processing unit is configured to obtain information to be obtained by data processing of the magnetic resonance signals.Type: GrantFiled: January 6, 2014Date of Patent: April 10, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Masao Yui
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Patent number: 9939499Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a static magnetic field magnet, a gradient coil, a bore tube and a sealed space forming unit. The gradient coil is formed to be approximately cylindrical, arranged in a cylinder of the static magnetic field magnet, and adds a gradient magnetic field to the static magnetic field. The bore tube is formed to be approximately cylindrical and arranged in the cylinder of the gradient coil. The sealed space forming unit forms a sealed space enclosing the gradient coil between an inner circumferential side of the static magnetic field magnet and an outer circumferential side of the bore tube. At least a part of at least one of the side ends of the gradient coil does not make contact with the sealed space.Type: GrantFiled: July 11, 2013Date of Patent: April 10, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Ayumi Katsunuma, Masatoshi Yamashita, Hiromitsu Takamori, Kota Watanabe, Hiroto Asai