Patents Assigned to Toshiba Medical Systems Corporation
-
Patent number: 10363003Abstract: 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: GrantFiled: November 1, 2016Date of Patent: July 30, 2019Assignee: Toshiba Medical Systems CorporationInventor: Keisuke Oishi
-
Patent number: 10365335Abstract: 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: GrantFiled: February 26, 2015Date of Patent: July 30, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Akio Mori, Mitsuo Takagi
-
Patent number: 10365344Abstract: 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: GrantFiled: December 9, 2015Date of Patent: July 30, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Wayne R. Dannels, Takashi Shigeta
-
Patent number: 10363013Abstract: 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: GrantFiled: December 2, 2015Date of Patent: July 30, 2019Assignee: Toshiba Medical Systems CorporationInventors: Takashi Masuda, Shouichi Nakauchi, Takashi Koyakumaru, Tomio Nabatame, Tomoko Suzuki
-
Patent number: 10363018Abstract: 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: GrantFiled: July 18, 2017Date of Patent: July 30, 2019Assignee: Toshiba Medical Systems CorporationInventors: Shogo Fukuda, Yasuhiko Abe, Tetsuya Kawagishi, Koji Ando, Mitsuo Akiyama
-
Publication number: 20190227135Abstract: 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: ApplicationFiled: April 2, 2019Publication date: July 25, 2019Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Kazuya Okamoto
-
Patent number: 10359483Abstract: 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: GrantFiled: February 27, 2015Date of Patent: July 23, 2019Assignee: Toshiba Medical Systems CorporationInventor: Kazuya Okamoto
-
Patent number: 10359492Abstract: 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: GrantFiled: March 4, 2015Date of Patent: July 23, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Masaaki Umeda
-
Patent number: 10359490Abstract: 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: GrantFiled: April 23, 2015Date of Patent: July 23, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Shigehide Kuhara
-
Patent number: 10357216Abstract: 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: GrantFiled: December 19, 2016Date of Patent: July 23, 2019Assignee: Toshiba Medical Systems CorporationInventors: Atsuko Sugiyama, Yoshimasa Kobayashi, Mariko Shibata, Toshie Maruyama
-
Patent number: 10357214Abstract: 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: GrantFiled: October 26, 2015Date of Patent: July 23, 2019Assignee: Toshiba Medical Systems CorporationInventors: Shunsuke Kimura, Hideyuki Funaki, Go Kawata
-
Patent number: 10360677Abstract: 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: GrantFiled: October 7, 2016Date of Patent: July 23, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Zhou Yu, Yan Liu
-
Patent number: 10349915Abstract: 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: GrantFiled: May 22, 2014Date of Patent: July 16, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Qiqi Xu, Xiaojing Wang, Li jun Zhang, Atsuko Sugiyama
-
Patent number: 10353041Abstract: In one embodiment, an MRI apparatus, includes a static magnetic field magnet configured to generate a static magnetic field, a gradient coil configured to generate a gradient magnetic field, a transmission and reception coil configured to transmit an RF signal and receive a magnetic resonance signal, and processing circuitry. The processing circuitry determines whether or not a prescan for calculating a correction value that corrects a phase error is skippable or reducible based on an imaging condition of a main scan, and executes a scan including at least the main scan in accordance with a result of the determination.Type: GrantFiled: March 9, 2016Date of Patent: July 16, 2019Assignee: Toshiba Medical Systems CorporationInventors: Hiroki Kondo, Shinya Ozawa, Masaaki Umeda, Yoshimori Kassai, Naoyuki Takabayashi
-
Patent number: 10353024Abstract: 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: GrantFiled: November 16, 2016Date of Patent: July 16, 2019Assignee: Toshiba Medical Systems CorporationInventors: Sadanori Tomiha, Kazuya Okamoto, Manabu Ishii, Satoshi Imai, Mitsuo Takagi, Miyuki Ota
-
Patent number: 10349903Abstract: According to one embodiment, an X-ray CT apparatus includes a gantry, storage circuitry and control circuitry. The gantry including an X-ray tube is relatively movable on a floor surface of an examination room. The storage circuitry store information of a first boundary indicating an outer edge of a FOV inside the opening portion and information of a second boundary located between the first boundary and an inner surface of the opening portion to prevent interference between an object and the gantry. The control circuitry control the X-ray tube to stop emitting X-rays based on a relative positional relationship between a scan target area of the object and the first boundary or control the gantry to stop moving based on a relative positional relationship between a non-scan target area of the object and the second boundary.Type: GrantFiled: September 13, 2016Date of Patent: July 16, 2019Assignee: Toshiba Medical Systems CorporationInventors: Katsumi Gotanda, Kenji Tomomura
-
Patent number: 10353085Abstract: 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: GrantFiled: May 30, 2018Date of Patent: July 16, 2019Assignee: Toshiba Medical Systems CorporationInventors: Takayuki Ogawa, Kuniaki Yamamoto
-
Patent number: 10354417Abstract: 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: GrantFiled: December 29, 2017Date of Patent: July 16, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Jian Zhou, Evren Asma, Wenli Wang
-
Patent number: 10353042Abstract: 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: GrantFiled: July 8, 2015Date of Patent: July 16, 2019Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Masaaki Yamanaka
-
Patent number: 10342514Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes a setting unit, a transmitter, a signal processing unit, and an image generating unit. The setting unit sets a plurality of ROIs within a scanning region. The transmitter transmits an ultrasonic wave for displacement generation on a plurality of transmission conditions corresponding to the respective ROIs from an ultrasonic probe and transmits an ultrasonic wave for observation that observes a displacement generated by each transmission of the ultrasonic wave for displacement generation, from the ultrasonic probe a plurality of times. The signal processing unit analyzes a plurality of pieces of reflected wave data, acquires a plurality of pieces of displacement information, and calculates distribution information on the respective transmission conditions. The image generating unit generates a plurality of pieces of image data based on the pieces of distribution information and composite image data by composing the pieces of image data.Type: GrantFiled: June 30, 2014Date of Patent: July 9, 2019Assignee: Toshiba Medical Systems CorporationInventors: Yuko Kanayama, Akihiro Kakee, Tetsuya Kawagishi