Patents Assigned to Canon Medical Systems Corporation
  • Publication number: 20240050057
    Abstract: A PET-CT apparatus according to the embodiment includes processing circuitry. The processing circuitry scans a subject to acquire an attenuation-correcting CT image, identifies a respiratory phase of the subject when the CT image is scanned, acquires PET scan data that is based on a gamma ray emitted from the subject, generates gate data by gating the PET scan data based on the respiratory phase, and reconstructs a PET image based on the CT image and the gate data.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 15, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Shogo ONO
  • Publication number: 20240050074
    Abstract: According to one embodiment, a medical information processing apparatus includes processing circuitry. The processing circuitry determines whether or not a plurality of ultrasonic images are images collected by a stress echocardiography method. The processing circuitry adds attribute information to each of the ultrasonic images if it is determined that the ultrasonic images are images collected by the stress echocardiography method, the attribute information concerning at least one of a stress state of a subject and a slice of the ultrasonic image.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 15, 2024
    Applicant: Canon Medical Systems Corporation
    Inventors: Mitsuo AKIYAMA, Minori IZUMI, Taku MURAMATSU, Katsuyuki TAKAMATSU, Tomoko AIZAWA, Takashi KOYAKUMARU
  • Publication number: 20240052292
    Abstract: A cell management system according to an embodiment includes an analysis apparatus and a determination apparatus. The analysis apparatus acquires a first identification code from a processing sample from which a cell used for treatment is produced, or from a processed product based on the processing sample, and acquires a second identification code from a reference sample. Based on the first identification code and the second identification code, the determination apparatus determines the consistency of a subject from whom the processing sample is obtained and a subject from whom the reference sample is obtained.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 15, 2024
    Applicants: CANON MEDICAL SYSTEMS CORPORATION, Canon Kabushiki Kaisha
    Inventors: Mayumi SAKAGAMI, Koji HIRATA
  • Publication number: 20240050058
    Abstract: A method is provided for determining a scatter fraction for a radiation diagnosis apparatus. The method includes acquiring an energy spectrum from list mode data obtained from a scan performed using the radiation diagnosis apparatus; determining, from the acquired list mode data, a first number of events occurring in a first energy window spanning a first energy range; determining, from the acquired list mode data, a second number of events occurring in a second window, the second energy window spanning a second energy range different from the first energy range; calculating a singles scatter fraction based on the determined first number of events and the determined second number of events; and reconstructing an image based on the acquired list mode data and the calculated singles scatter fraction.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 15, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Xiaoli LI, Yi QIANG, Wenyuan QI
  • Patent number: 11899086
    Abstract: A magnetic resonance imaging apparatus includes sequence controlling circuitry and processing circuitry. The sequence controlling circuitry executes (i) a first pulse sequence in which a spatially selective Inversion recovery (IR) pulse and a spatially non-selective IR pulse are applied, and (ii) a second pulse sequence in which the spatially non-selective IR pulse is applied without applying the spatially selective IR pulse, while varying the first TI period, with respect to a plurality of first TI periods. The sequence controlling circuitry executes (iii) the third pulse sequence in which the spatially selective IR pulse and the spatially non-selective IR pulse are applied, and (iv) the fourth pulse sequence in which the spatially non-selective IR pulse is applied without applying the spatially selective IR pulse. The processing circuitry generates a magnetic resonance image of an imaged region based on data obtained from the third pulse sequence and the fourth pulse sequence.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Mitsue Miyazaki, Yoshimori Kassai
  • Patent number: 11896435
    Abstract: According to one embodiment, an ultrasound diagnostic apparatus includes processing circuitry. The processing circuitry forms a first transmission beam in a plurality of directions belonging to a first group, forms at least one first reception beam, forms a second transmission beam in a plurality of directions belonging to a second group, after an elapse of a time from performing a scan for the first group, forms at least one second reception beam, applies a wall filter to reception signals obtained by the first and the second reception beams, calculates bloodstream information based on the filtered reception signals, and generates image data based on the calculated bloodstream information.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: February 13, 2024
    Assignee: Canon Medical Systems Corporation
    Inventors: Hiroki Takahashi, Tomohisa Imamura
  • Patent number: 11896362
    Abstract: A medical image processing apparatus according to the present embodiment includes processing circuitry. The processing circuitry inputs a first magnetic resonance image reconstructed with super-resolution processing on magnetic resonance data and a second magnetic resonance image obtained by imaging the same object as that of the first magnetic resonance image and with artifacts suppressed compared with the first magnetic resonance image, to a leaned model, the learned model being configured to output a third magnetic resonance image having the same resolution as that of the first magnetic resonance image and with the artifacts suppressed, generates the third magnetic resonance image based on the first magnetic resonance image and the second magnetic resonance image, using the learned model.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Hideaki Kutsuna
  • Patent number: 11896361
    Abstract: An image generating apparatus according to the embodiment includes processing circuitry. The processing circuitry acquires MR data acquired in read-out directions including a first read-out direction and a second read-out direction intersecting the first read-out direction, filter sensitivity distributions corresponding to the read-out directions and indicating distributions of sensitivity of a low-pass filter, and coil sensitivity distributions corresponding to coil elements used to acquire the MR data. The processing circuitry generates synthesis sensitivity distributions for the respective read-out directions by synthesizing the filter sensitivity distributions and the coil sensitivity distributions for the respective read-out directions. The processing circuitry generates an MR image based on the synthesis sensitivity distributions and MR data.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: February 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hideaki Kutsuna, Hidenori Takeshima
  • Patent number: 11899013
    Abstract: According to one embodiment, a method of detecting or quantifying a detection target in a specimen includes: irradiating a reaction mixture containing composite particles and the specimen with light to promote binding between the composite particles and the detection target; and performing measurement on the reaction mixture irradiated with the light to detect or quantify the detection target. The composite particles each include a carrier particle including two or more regions having different physical properties on a surface, and an affinity substance carried on the carrier particle and having affinity to the detection target. The light can be absorbed by at least one of the two or more regions.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: February 13, 2024
    Assignee: Canon Medical Systems Corporation
    Inventors: Satoru Sugita, Hirotoshi Tahara
  • 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