Patents Assigned to Canon Medical Systems Corporation
  • Patent number: 11900513
    Abstract: A medical image display apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to: identify imaged ranges respectively corresponding to a plurality of examinations, on the basis of anatomical information from a plurality of medical images taken of an examined subject in the plurality of examinations; map the imaged ranges respectively corresponding to the plurality of examinations onto a single human body model; and cause a display unit to display a list of information about the plurality of examinations and the human body model on which the imaged ranges respectively corresponding to the plurality of examinations are mapped, so as to be kept in correspondence with each other.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hideaki Ishii, Guang Yi Ong, Hiroshizu Morishima, Junya Suzuki
  • Patent number: 11901074
    Abstract: In one embodiment, a medical information processing apparatus includes processing circuitry configured to: perform processing using a trained model that is generated by machine learning with a plurality of training data; acquire first attribute data indicating an attribute of an object-to-be-trained related to the plurality of training data that are used for generating the trained model; acquire second attribute data indicating an attribute of an object-to-be-diagnosed; and perform the processing on input-data of the object-to-be-diagnosed based on goodness of fit that is an index indicating degree of matching between the first attribute data and the second attribute data.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chihiro Hattori, Takuya Sakaguchi
  • Patent number: 11896409
    Abstract: An X-ray diagnosis apparatus according to the embodiment disclosed herein includes an X-ray tube configured to have a plurality of focal points and configured to emit X-rays from each focal point, a radiation quality filter configured to change radiation quality of the X-rays emitted from each of the focal points, and a mover configured to move the radiation quality filter in a direction along which the focal points are aligned.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yoshimasa Kobayashi, Takehito Tomaru
  • Patent number: 11896419
    Abstract: An X-ray diagnostic apparatus of an embodiment includes an input interface, and processing circuitry. The input interface accepts an input operation performed by an operator. The processing circuitry identifies a period in which periodic movement is small in an X-ray irradiation area. The processing circuitry determines irradiation start timing of an X-ray according to the period. The processing circuitry controls to perform X-ray irradiation of a relatively high dose in the determined irradiation start timing on condition that the input operation is being continued.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Shingo Abe, Kunitoshi Matsumoto
  • Publication number: 20240045008
    Abstract: A magnetic resonance imaging apparatus of an embodiment includes an RF coil including a plurality of coil elements, a plurality of preamplifiers, a combiner, and a transmission line. The coil elements transmit an RF pulse to a subject placed in an imaging space, and receive a signal generated from the subject by the RF pulse. The preamplifiers are each connected to each of the coil elements via an input channel with the number of channels corresponding to the coil element, and amplify the signal received by the coil element. The combiner is connected to each pair of preamplifiers that are paired among the preamplifiers, and generates a combined signal obtained by combining the signals amplified by the preamplifiers. The transmission line transmits the combined signal combined by the combiner.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Satoshi IMAI
  • Publication number: 20240045057
    Abstract: A medical imaging apparatus comprises processing circuitry configured to: receive three-dimensional flow data, wherein the three-dimensional flow data comprises data acquired by medical imaging of a subject; perform a first intensity projection to process first flow data corresponding to a first region in the three-dimensional flow data having a first direction of flow, thereby obtaining a first color; perform a second, independent intensity projection to process second flow data corresponding to a second region in the three-dimensional flow data having a second direction of flow which is different from the first direction of flow, thereby obtaining a second color; combine the first color and the second color to obtain a combined color; and generate volume rendering image data based on the combined color.
    Type: Application
    Filed: August 4, 2022
    Publication date: February 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Magnus WAHRENBERG
  • Publication number: 20240044803
    Abstract: A manufacturing method for an ECL (Electrochemiluminescence)-based electrode according to an embodiment includes a step of mixing an electrocatalytic solution and metal nanoparticles and thereafter dropping a mixed particle suspension onto the surface of an electrode and obtaining a base electrode co-modified by an electrocatalyst-metal nanoparticle.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 8, 2024
    Applicants: CANON MEDICAL SYSTEMS CORPORATION, Nanjing University
    Inventors: Hao HUANG, Qiqi XU, Xiaotian WU, Huangxian JU, Jie WU
  • Publication number: 20240041434
    Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect a shear wave propagating in an object. The processing circuitry is configured to calculate an index value that indicates viscosity within the object and that is not dependent on any physical model related to viscoelasticity, by analyzing the detected shear wave.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yasunori HONJO, Masaki WATANABE, Tetsuya KAWAGISHI
  • Publication number: 20240047066
    Abstract: A clinical decision support device of an embodiment includes processing circuitry. The processing circuitry acquires at least one of attribute information of a patient and first parameters regarding a first preference category for the patient. The processing circuitry estimates second parameters of the patient with respect to a second preference category on the basis of at least one of the attribute information and the first preference category. The processing circuitry determines preferable selections of the patient with respect to a predetermined preference category on the basis of the second parameters. The processing circuitry displays the preferable selections and the second parameters in association with each other.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yusuke KANO, Minoru NAKATSUGAWA, Anri YAMAZAKI, Kosuke ARITA
  • Publication number: 20240041414
    Abstract: A nuclear medicine diagnostic apparatus according to an embodiment includes a nuclear medicine detector and processing circuitry. The nuclear medicine detector includes a plurality of detection devices that detect gamma rays. The processing circuitry controls a change from a first relative position of the nuclear medicine detector and a subject to a second relative position that is separate from the first relative position by a distance smaller than a device size of the detection device, collects first data in the first relative position, collects second data in the second relative position, and reconstructs a nuclear medicine image based on the first data and the second data.
    Type: Application
    Filed: July 10, 2023
    Publication date: February 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Kenta MORIYASU
  • Publication number: 20240047021
    Abstract: A medical information processing apparatus of an embodiment includes processing circuitry. The processing circuitry acquires symptom reply information regarding a predetermined symptom of a patient. The processing circuitry acquires condition data of the patient related to the symptom. The processing circuitry identifies a condition sensitivity component of the symptom reply information on the basis of change in the symptom reply information with respect to change in the condition data.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yusuke KANO, Anri YAMAZAKI, Yohei MURAGUCHI
  • Publication number: 20240032882
    Abstract: According to one embodiment, an X-ray diagnostic apparatus includes processing circuitry. The processing circuitry sets a plurality of ROIs in a first X-ray image. The processing circuitry calculates a statistical value for each ROI based on a plurality of values of pixels included in each ROI, thereby obtaining a plurality of statistical values. The processing circuitry acquires a threshold value for each statistical value. The processing circuitry determines a set of X-ray conditions relating to capturing of a second X-ray image subsequent to the first X-ray image based on the statistical value and the threshold value relating to each ROI.
    Type: Application
    Filed: July 24, 2023
    Publication date: February 1, 2024
    Applicant: Canon Medical Systems Corporation
    Inventors: Masanori MATSUMOTO, Saki HASHIMOTO, Keisuke SUGAWARA, Shingo ABE, Akio TETSUKA, Yusuke KANNO, Yoshiyuki SATO, Hisayuki UEHARA
  • Publication number: 20240036134
    Abstract: A pH calculating apparatus according to an embodiment includes processing circuitry that obtains a Z spectrum generated from a CEST imaging process by using, for a subject, a contrast agent containing types of substances having mutually-different responsiveness to pH during chemical shift imaging and including fall points of signal values corresponding to the types of substances; obtains information related to the subject; calculates a pH dependent value by using MR signal values corresponding to the fall points of the signal values; selects a standard curve indicating a pH value corresponding to the pH dependent value in accordance with the information, from among standard curves prepared in advance in accordance with the information; and determines a pH value based on the selected standard curve and the pH dependent value.
    Type: Application
    Filed: July 6, 2023
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Sotaro TAKI
  • Publication number: 20240036137
    Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes processing circuitry. The processing circuitry is configured to design a pulse sequence including a plurality of refocus pulses and a plurality of crusher gradient fields, in such a manner that a first crusher gradient field to be applied after a first refocus pulse group and a second crusher gradient field to be applied before a second refocus pulse group after the first refocus pulse group overlap one another at least partially. The processing circuitry is configured to acquire magnetic resonance spectroscopic signals by executing the designed pulse sequence.
    Type: Application
    Filed: July 24, 2023
    Publication date: February 1, 2024
    Applicant: Canon Medical Systems Corporation
    Inventor: Hidenori TAKESHIMA
  • Publication number: 20240037814
    Abstract: A dynamic frame reconstruction apparatus and method for medical image processing is disclosed which reduces the computationally expensive reconstruction of images but which retains the accuracy of the image reconstruction. A convolutional neural network is used to cluster the dynamic data into groups of frames, each group sharing similar radiotracer distribution. In one embodiment, groups of frames that have similar reconstruction parameters are determined, and scatter and random estimations are computed once and shared among each of the frames in the same frame group.
    Type: Application
    Filed: August 1, 2022
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chung CHAN, Li YANG, Xiaoli LI, Wenyuan QI, Evren ASMA, Jeffrey KOLTHAMMER
  • Publication number: 20240037731
    Abstract: A medical image processing apparatus comprising processing circuitry configured to: receive medical image data including a region of interest; generate first rendering data by rendering the medical image data based on a first rendering condition; receive a characteristic value relating to detection certainty with respect to the region of interest by inputting the first rendering data to a machine learning model; determine a property of the first rendering condition based on the characteristic value.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Paul THOMSON
  • Publication number: 20240032896
    Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a processor. The processor acquires Doppler data that is obtained through ultrasonic transmission/reception in a Doppler mode and information about a type of the Doppler mode. The processor determines at least one executable measurement item for the Doppler data based on the information about the type of the Doppler mode.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Masashi USUMURA, Koichiro KURITA, Itsuki KUGA
  • Publication number: 20240032884
    Abstract: An X-ray CT scanner includes a photon counting type detector and processing circuitry. The detector includes a plurality of detection elements. The processing circuitry determines whether there is a defective element out of the plurality of detection elements and interpolates an output value of a defective element on the basis of output values of a plurality of normal elements which are included in the plurality of detection elements and which are adjacent to a defective element when there is a defective element.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Hiroaki MIYAZAKI
  • Publication number: 20240032877
    Abstract: An information processing method controls a CT scanner such that the method includes, but is not limited to, determining an X-ray irradiation period from an electrocardiogram acquired from an electrocardiography device attached to a living object to be imaged, by processing the electrocardiogram at multiple different cardiac phases; performing, by controlling a CT gantry including and rotatably supporting an X-ray source and an X-ray detector, a diagnostic CT scan in the determined X-ray irradiation period, of at least a part of the heart region, to obtain a CT image; and causing a display unit to display the obtained CT image. The method can be performed at least by an information processing apparatus including processing circuitry and/or computer instructions stored in a non-transitory computer readable storage medium for performing the method.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chih-chieh LIU, Jian ZHOU, Qiulin TANG, Liang CAI, Zhou YU
  • Patent number: 11883241
    Abstract: The medical image diagnostic apparatus according to the embodiment includes processing circuitry. The processing circuitry is configured to acquire a medical image acquired by performing an imaging of a target in a subject and position data corresponding to the medical image. The processing circuitry is configured to determine, based on the acquired medical image and the acquired position data, an unimaged region of the target that is not included in the medical image.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 30, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Yasuko Fujisawa