Patents Assigned to Toshiba Medical Systems Corporation
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Patent number: 10126254Abstract: A computed tomography (CT) detector apparatus includes a plurality of detector arrays arranged in a ring, wherein for at least one array that includes a plurality of elements, an anode pixel pattern is non-uniform in a z-axis direction and a thickness of each element in the array is correspondingly non-uniform along the z-axis direction. A size of the anode pixels increases proportionally away from a center of the array, and a thickness of the elements increases away from the center of the array. The ratio of the thickness of the element to the size of the anode pixels is substantially the same over the array.Type: GrantFiled: December 18, 2014Date of Patent: November 13, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Miesher L Rodrigues, Hao Yang, Liang Cai
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Patent number: 10123780Abstract: A medical image diagnosis apparatus according to an embodiment includes a lumen image generating unit, a running line generating unit, an image synthesizing unit and a control unit. The lumen image generating unit generates a lumen image depicting a shape of a lumen having a branch based on volume data. The running line generating unit generates a plurality of running lines based on the shape of the lumen. The image synthesizing unit generates a synthetic image by superimposing, on the lumen image, the plurality of the running lines indicating moving paths of a viewpoint in a virtual endoscopy image. The control unit displays the synthetic image and controls the image synthesizing unit to perform depiction that distinguishes between a range of a running line along which a virtual endoscopy image is displayed and a range of a running line along which no virtual endoscopy image is displayed.Type: GrantFiled: February 6, 2015Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventor: Toshie Maruyama
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Patent number: 10126388Abstract: A gradient coil unit includes a tubular gradient coil and support structures. The tubular gradient coil is configured to apply a gradient magnetic field to an imaging region of magnetic resonance imaging. The support structures are fixed to plural positions of the gradient coil. The support structures are configured to hold the gradient coil on a tubular magnet by applying pressing forces on positions of an edge inside a wall forming the magnet. The pressing forces each has a component in a central axis direction of the magnet. Further, according to another embodiment, a magnetic resonance imaging apparatus includes the above mentioned gradient coil unit, a static field magnet and at least one radio frequency coil configured to perform magnetic resonance imaging of an object.Type: GrantFiled: July 31, 2015Date of Patent: November 13, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Kota Watanabe, Hiromitsu Takamori, Yu Ueda
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Patent number: 10123763Abstract: An X-ray CT system of an embodiment includes an X-ray scanner including an X-ray generator that performs X-ray imaging by scanning around a subject that is placed on a bed top and an X-ray detector. The X-ray scanner performs X-ray imaging while the bed top and the X-ray scanner are being reciprocated relative to each other in a first direction along the longitudinal direction of the bed top and a second direction opposite thereto. The X-ray CT system further includes a comparator that compares the positions of the bed top when a predetermined number of views are acquired in a plurality of times of X-ray imaging in the first direction or in a plurality of times of X-ray imaging in the second direction.Type: GrantFiled: May 14, 2015Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventor: Gen Kondo
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Patent number: 10123777Abstract: An ultrasound diagnosis apparatus includes a transformer, a first power source, a second power source, and a switching unit. The transformer includes a primary winding and a secondary winding, and drives an ultrasound transducer based on a voltage generated in the secondary winding. The first and second power sources cause a potential difference. The switching unit switches a connection path between the primary winding and at least one of the first and second power sources to a first connection path that connects the first power source to one end of the primary winding and the second power source to the other end, a second connection path that connects the first power source to the other end and the second power source to the one end, or a ground connection path that connects the first power source or the second power source to the ground through the primary winding.Type: GrantFiled: December 21, 2015Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventors: Wataru Kameishi, Hiroyuki Shibanuma, Shuta Fujiwara, Satoshi Kamiyama, Takayuki Shiina, Masaaki Ishitsuka, Tomohiro Fujita, Teruki Hagihara
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Patent number: 10127654Abstract: A medical image processing apparatus comprises a memory configured to store medical image data representative of a tissue structure and a processing circuitry configured to operationally connect to the memory, extract regions from the medical image data by performing threshold processing of the medical image data using each of a plurality of threshold values, select regions meeting at least one predetermined condition from among the extracted regions, and determine a region representative of the tissue structure in the medical image data based on the selected regions.Type: GrantFiled: October 7, 2015Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventors: Sean Murphy, Keith Goatman, Ian Poole
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Patent number: 10123771Abstract: Ultrasound medical apparatus and ultrasound diagnosis apparatus are provided capable of indwelling in the observation object at a desired position of the inner cavity of the subject. The ultrasound medical apparatus according to the embodiments include a sheath, a capsule body unit, and a fixation mechanism. The sheath is inserted into the inner cavity of a subject, having an outer peripheral surface that contacts the inner wall surface of the inner cavity of the subject with a liquid filled inside thereof. The capsule body unit is inserted into the sheath, and configured to store an ultrasound transducer that transmits and receives ultrasound waves to and from the subject. The fixation mechanism is provided in at least one of the capsule body unit and the sheath, to fixedly arrange the capsule body unit at a desired position in the sheath.Type: GrantFiled: September 2, 2014Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventor: Hiroshi Asahina
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Patent number: 10126395Abstract: An MRI apparatus includes a reception gain storage part, a reception gain acquisition part, and a generation part. The reception gain storage part is configured to store reception gains of MR signals. The reception gains are related to at least one of pieces of patient information and imaging conditions. The reception gain acquisition part is configured to obtain a corresponding reception gain from the reception gain storage part, based on at least one of a piece of patient information and an imaging condition of an object. The piece of the patient information and the imaging condition have been specified for an imaging of the object. The generation part is configured to receive MR signals of the object with an amplification with the reception gain obtained by the reception gain acquisition part, and generate image data based on the received MR signals.Type: GrantFiled: December 11, 2014Date of Patent: November 13, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Shinya Ozawa, Kazuya Tanoue, Naoyuki Takabayashi, Yoshimori Kassai, Yukihiko Tomoda
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Patent number: 10127666Abstract: A medical information processing apparatus according to an embodiment includes determination circuitry and display control circuitry. The determination circuitry determines whether there is a change in an amount of individual metabolites among a plurality of metabolites in magnetic resonance spectroscopy within a part worthy of attention set on medical image data by comparing the amount of each of the plurality of metabolites with a reference value corresponding to each metabolite. The display control circuitry display identification information by associating therewith the part worthy of attention, the identification information identifying whether the amount of each of the plurality of metabolites is changed.Type: GrantFiled: April 1, 2016Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventors: Bing Li, Fanjie Meng
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Publication number: 20180317865Abstract: A marker-coordinate detecting unit detects coordinates of a stent marker on a new image when the new image is stored in an image-data storage unit; and then a correction-image creating unit creates a correction image from the new image through, for example, image transformation processing, so as to match up the detected coordinates with reference coordinates that are coordinates of the stent marker already detected by the marker-coordinate detecting unit in a first frame. An image post-processing unit then creates an image for display by performing post-processing on the correction image created by the correction-image creating unit, the post-processing including high-frequency noise reduction filtering-processing, low-frequency component removal filtering-processing, and logarithmic-image creating processing; and then a system control unit performs control of displaying a moving image of an enlarged image of a set region that is set in the image for display, together with an original image.Type: ApplicationFiled: July 3, 2018Publication date: November 8, 2018Applicant: Toshiba Medical Systems CorporationInventors: Takuya Sakaguchi, Kyojiro Nambu, Hisato Takemoto
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Patent number: 10120043Abstract: In one embodiment, a magnetic resonance apparatus includes a gradient coil configured to be cylindrically-shaped and to apply a gradient magnetic field to a hollow region into which an object is inserted, the hollow region being formed, the hollow region being formed inside the gradient coil; and an RF coil configured to include a resonance circuit whose plural connecting conductors are folded back at one end side of the gradient coil so that the resonance circuit extends from the hollow region to an outer region of the gradient coil.Type: GrantFiled: February 25, 2016Date of Patent: November 6, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Kazuya Okamoto
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Patent number: 10117628Abstract: According to one embodiment, the X-ray tube generates X-rays. The X-ray detector detects the X-rays transmitted through a subject. The data acquisition circuitry acquires count data concerning a count number of the detected X-rays for energy bands. The memory circuitry stores data of a response function that associates incident X-rays on the X-ray detector with a response characteristic of a system including the X-ray detector and the data acquisition circuitry. The processing circuitry calculates an X-ray absorption amount of each of a plurality of base substances based on the count data concerning the energy bands acquired by the data acquisition circuitry, an energy spectrum of the incident X-rays, and the response function.Type: GrantFiled: September 30, 2015Date of Patent: November 6, 2018Assignee: Toshiba Medical Systems CorporationInventor: Emi Tamura
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Patent number: 10120046Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a magnetostatic field magnet, a gradient coil, and a bore tube. The magnetostatic field magnet is formed to have a cylindrical shape. The gradient coil is formed to have a cylindrical shape, on the inside of the magnetostatic field magnet. The bore tube is formed to have a cylindrical shape, on the inside of the gradient coil. A first space between the gradient coil and the bore tube is configured to be kept in a vacuum state while a second space between the gradient coil and the magnetostatic field magnet is configured to be kept in a state not being a vacuum.Type: GrantFiled: January 19, 2016Date of Patent: November 6, 2018Assignee: Toshiba Medical Systems CorporationInventors: Hiromitsu Takamori, Kota Watanabe
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Patent number: 10120052Abstract: In one embodiment, a medical image processing apparatus includes a display and processing circuitry. The processing circuitry is configured to (a) calculate fluid information including flow-velocity vectors based on three-dimensional image data of plural time phases, which are acquired by a phase contrast method of magnetic resonance imaging, and in which fluid flowing inside a lumen is depicted, (b) identify a branching position where a second lumen branches from a first lumen, based on change in flow volume of fluid flowing inside the first lumen along an extending direction of the first lumen, and (c) cause the display to display an analysis result including fluid information of fluid flowing inside the second lumen, based on the branching position.Type: GrantFiled: February 1, 2016Date of Patent: November 6, 2018Assignee: Toshiba Medical Systems CorporationInventors: Shuhei Bannae, Shigeharu Ohyu, Masashi Yoshida, Yoshihiro Ikeda, Fumiki Nakano, Mitsukazu Kamata, Tetsuya Yokota, Tatsuya Kimoto, Masao Yui, Tomohisa Fukunaga, Shigehide Kuhara, Kota Aoyagi
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Patent number: 10121272Abstract: According to one embodiment, the ultrasonic diagnosis apparatus includes a storing unit and processing circuitry. The storing unit is configured to store a plurality of images usable as a reference image to be referred to at the time of scanning, the plurality of images includes images corresponding to a plurality of cross sections. The processing circuitry is configured to read, when a cross section that needs to be scanned is switched in accordance with a workflow, from the storing unit one or more images registered for each of the plurality of cross sections in advance, the workflow defining a flow of procedures including scanning the plurality of cross sections. The processing circuitry is configured to display the read image as the reference image on a display.Type: GrantFiled: March 2, 2017Date of Patent: November 6, 2018Assignee: Toshiba Medical Systems CorporationInventors: Tomio Nabatame, Yutaka Kobayashi, Hiroyuki Ohuchi, Takashi Koyakumaru, Katsuyuki Takamatsu, Taku Muramatsu, Asuka Tanigawa
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Patent number: 10117636Abstract: Position coordinate information of each point three-dimensionally forming a tissue corresponding to a diagnosis target at each time phase is obtained, a quantitative value for evaluating the movement of the tissue corresponding to the diagnosis target is calculated by using the position information, and the result is output in a predetermined form. Accordingly, since the quantitative value for evaluating the movement is calculated by using the three-dimensional position coordinate information without converting wall movement information obtained by a three-dimensional tracking process into two-dimensional information, it is possible to provide medical information with a higher degree of precision.Type: GrantFiled: January 22, 2010Date of Patent: November 6, 2018Assignee: Toshiba Medical Systems CorporationInventors: Hiroyuki Ohuchi, Shinichi Hashimoto, Yasuhiko Abe, Tetsuya Kawagishi
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Patent number: 10111627Abstract: According to one embodiment, a radiation diagnostic apparatus includes an X-ray tube, radiation detecting elements, signal processing substrates, and processing circuitry. The signal processing substrates performs processing including at least A/D conversion processing on outputted signals of the radiation detecting elements and outputs processed signals as the outputted signals subjected to the processing. The processing circuitry identifies a non-observing element or a non-observing substrate based on information on an imaging region included in imaging conditions of an object, the non-observing element being a radiation detecting element of the radiation detecting elements which corresponds to a region other than the imaging region, and the non-observing substrate being a signal processing substrate of the signal processing substrates which corresponds to the non-observing element.Type: GrantFiled: September 27, 2016Date of Patent: October 30, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Kenji Tomomura
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Patent number: 10111635Abstract: An image processing apparatus according to an embodiment includes storage circuitry and processing circuitry. The storage circuitry stores therein fluid resistance data representing a correlation among a vascular shape, a blood flow rate, and a pressure loss. The processing circuitry extracts, from three-dimensional image data in which a blood vessel of a subject is rendered, vascular shape data representing a shape of the blood vessel. The processing circuitry performs fluid analysis based on the vascular shape data and the blood flow rate and the pressure loss that correspond to the vascular shape data and that are correlated by the fluid resistance data to derive a functional index related to a blood circulation state in the blood vessel of the subject.Type: GrantFiled: October 4, 2016Date of Patent: October 30, 2018Assignee: Toshiba Medical Systems CorporationInventors: Mitsuaki Kato, Kenji Hirohata, Akira Kano, Shinya Higashi, Shigeo Kaminaga, Yasuko Fujisawa, Satoshi Wakai
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Patent number: 10111626Abstract: An X-ray computed tomography (CT) apparatus according to an embodiments includes collection circuitry, control circuitry and image generation circuitry. The collection circuitry collects a signal derived from X-rays emitted from an X-ray tube and transmitted through a subject. The control circuitry calculates a value of tube current to be supplied to the X-ray tube in a main scan, based on a first image acquired through a reconstruction process using the signal and a first filter, the signal being collected by the collection circuitry in a localizer scan. The image generation circuitry generates a second image as a localizer image through a reconstruction process using the signal and a second filter, the signal being collected by the collection circuitry in the localizer scan.Type: GrantFiled: October 29, 2015Date of Patent: October 30, 2018Assignee: Toshiba Medical Systems CorporationInventors: Takahiro Goto, Satoshi Saito
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Patent number: 10111634Abstract: According to one embodiment, a nuclear medicine diagnostic apparatus includes a counting unit, a region of interest setting unit, a normalization unit, and an image generation unit. The counting unit counts radiation emitted from radioisotopes in an imaging region of an object. The ROI setting unit sets a region of interest (ROI) in the imaging region. The normalization unit determines association between count values and pixel values of display pixels for the ROI in accordance with a distribution of the count values of the display pixels corresponding to the ROI. The image generation unit generates an image of the ROI based on the association between the count values and the pixel values for the ROI.Type: GrantFiled: February 20, 2014Date of Patent: October 30, 2018Assignee: Toshiba Medical Systems CorporationInventors: Tatsuya Kimoto, Yoshihiro Ikeda