Patents Assigned to Canon Medical Systems Corporation
  • Patent number: 11452499
    Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to generate ultrasound images in a time series on the basis of data acquired by transmitting and receiving an ultrasound wave. Every time an ultrasound image satisfying a predetermined condition is generated, the processing circuitry is configured to perform a position aligning process between the ultrasound image satisfying the predetermined condition and a reference image obtained in advance. The processing circuitry is configured to identify, within the ultrasound image satisfying the predetermined condition, a region of interest set in the reference image, on the basis of a result of the position aligning process and to track the region of interest in ultrasound images in a time series that are newly generated by the image generating unit during or after the position aligning process.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: September 27, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Shogo Fukuda, Yasuhiko Abe, Koichiro Kurita
  • Patent number: 11454689
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes sequence controlling circuitry and processing circuitry. The sequence controlling circuitry is configured to execute a first pulse sequence including application of a Magnetization Transfer (MT) pulse and to subsequently execute a second pulse sequence including application of an MT pulse after an action that causes a change in a physiological state of a patient. The processing circuitry is configured to generate a first Z-spectrum based on data obtained by executing the first pulse sequence, to generate a second Z-spectrum based on data obtained by executing the second pulse sequence, and to generate data by performing an analysis based on the first Z-spectrum and the second Z-spectrum.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: September 27, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Mitsue Miyazaki
  • Publication number: 20220301726
    Abstract: A storage device stores a medical knowledge graph including nodes corresponding to medical care events, and edges indicative of a relationship between the nodes. A graph feature of the medical knowledge graph is expressed by a mathematical model characterized by patient background information. A processing circuitry obtains patient background information relating to a background factor of one or more target patients, computes variation of the graph feature relating to the target patient, based on the patient background information of the target patient and the mathematical model, and displays the variation of the graph feature on a display device.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 22, 2022
    Applicant: Canon Medical Systems Corporation
    Inventors: Yusuke KANO, Yudai YAMAZAKI
  • Publication number: 20220299540
    Abstract: According to one embodiment, an automatic analyzing apparatus includes a probe and a liquid level detector. The liquid level detector is electrically connected to the probe and detects contact between the probe and a liquid surface, wherein the liquid level detector comprises an adjuster configured to adjust electrostatic capacitance of one or more capacitors for circuitry for use in liquid level detection.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 22, 2022
    Applicant: Canon Medical Systems Corporation
    Inventors: Mitsuo OKAMOTO, Naoto SATO, Reiko MARUYAMA, Masaaki SAITOU, Atsushi HOSOOKA, Tamaki HONDA
  • Publication number: 20220296202
    Abstract: An apparatus, system and method for calibrating an x-ray apparatus including acquiring sinogram data by scanning a symmetrical phantom using a plurality of detector channels; generating mirror-copied sinogram data by mirror-copying at least one of first sinogram data and second sinogram data of the acquired sinogram data, wherein the first sinogram data and the second sinogram data are generated by dividing the sinogram data at a center detector channel of the plurality of detector channels; outputting a first reconstructed image by reconstructing the mirror-copied sinogram data; and determining a calibration parameter based on the first reconstructed image.
    Type: Application
    Filed: March 19, 2021
    Publication date: September 22, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Xiaohui ZHAN, Ilmar HEIN, Xiaofeng NIU
  • Publication number: 20220301705
    Abstract: In one embodiment, a biological information monitoring apparatus includes: an antenna assembly including at least one antenna, the antenna assembly being disposed close to an object; a signal generator configured to generate a radio-frequency (RF) signal; and a displacement detection circuit configured to detect a physical displacement of the object based on the RF signal, wherein the at least one antenna includes: a dipole antenna having a feeding point to be supplied with the RF signal, the feeding point being positioned in a center of the dipole antenna; a coaxial line configured to supply the RF signal to the feeding point; and a conductor element that has a ΒΌ wavelength and is short-circuited on one end to an outer conductor of the coaxial line.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 22, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Takafumi OHISHI, Sadanori TOMIHA
  • Publication number: 20220296197
    Abstract: A system and a method by which multiple regions or objects of interest can be indicated within an X-ray image, from which a user can select a primary region or object of interest and accordingly adjust the appropriate X-ray dose for obtaining a better quality image of the selected regions or objects of interest.
    Type: Application
    Filed: March 19, 2021
    Publication date: September 22, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: John BAUMGART, Joseph MANAK
  • Publication number: 20220301716
    Abstract: A medical information processing apparatus include a processing circuitry. The processing circuitry obtains medical care information relating to medical care events of a target patient. The processing circuitry maps the medical care information on a first graph to generate a second graph relating to the target patient. The first graph includes nodes corresponding to the medical care events and edges indicative of a relationship between the nodes. The processing circuitry estimates medical judgment information relating to the target patient, based on the second graph relating to the target patient.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 22, 2022
    Applicant: Canon Medical Systems Corporation
    Inventors: Yusuke KANO, Yudai YAMAZAKI
  • Publication number: 20220296106
    Abstract: 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: Application
    Filed: June 2, 2022
    Publication date: September 22, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Takuma IGARASHI
  • Patent number: 11450001
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: September 20, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yiemeng Hoi, Joseph Manak, Kazumasa Arakita, Jingwu Yao, James Begelman, Victor Gorin
  • Patent number: 11449990
    Abstract: According to one embodiment, a medical image processing apparatus includes processing circuitry. The processing circuitry acquires coordinate information of at least one detection position of a cerebrovascular lesion for three-dimensional MR image data relating to a head part, and generates a two-dimensional display image which visualize a part of or all of the at least one detection position based on the three-dimensional MR image data and the coordinate information.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: September 20, 2022
    Assignee: Canon Medical Systems Corporation
    Inventors: Shin Sato, Tomoko Miyata, Hiromasa Yamagishi, Taisuke Iwamura
  • Publication number: 20220292757
    Abstract: A medical imaging apparatus includes processing circuitry configured to acquire a volumetric data set, acquire location information for a layer that is part of a structure represented in the volumetric data set, and perform a ray casting algorithm to generate a rendered image from the volumetric data set. The ray casting algorithm includes, for each of a plurality of rays cast through a volume of the volume of the volumetric data set: determining data values for a plurality of sample positions along the ray; estimating, based on the location information, a position of an intersection point at which the ray intersects the layer; and using a precomputed function to determine a contribution of the intersection point to an aggregated color for the ray.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 15, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Magnus WAHRENBERG
  • Publication number: 20220291249
    Abstract: According to one embodiment, an automatic analyzing apparatus includes a piercer, a detector unit, and a sample dispensing probe. The piercer pierces a lid that seals an opening of a sample container containing a sample. The detector unit detects the piercer penetrating through the lid. The sample dispensing probe passes through an inside of the piercer that has penetrated through the lid, enters the sample container, and aspirates the sample.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 15, 2022
    Applicant: Canon Medical Systems Corporation
    Inventor: Tatsuya MURATA
  • Publication number: 20220292655
    Abstract: A medical image processing apparatus of an embodiment includes processing circuitry acquiring an X-ray image about a subject, acquiring an ultrasonic image data about the subject, extracting an object contained in the X-ray image, and performing processing based on the position of the extracted object on the ultrasonic image data in accordance with the relative positional relation between a coordinate system in the X-ray image and a coordinate system in the ultrasonic image data to generate a composite image as a combination of a processed ultrasonic image data after being subjected to the processing and the X-ray image.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 15, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kazuhiro TANIYAMA, Hisato TAKEMOTO, Yoshiyasu HAYASHI, Tomoki FUJITO, Hirona OIKAWA, Yuya SUZUKI, Kenji MIZUTANI
  • Publication number: 20220287667
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to acquire first medical image data. The processing circuitry is configured to identify a region of interest in the first medical image data based on a learned model and the first medical image data. The learned model is trained based on second medical image data corresponding to the first medical image data and third medical image data different from the first medical image data in type and related to the same subject as a subject of the second medical image data. At least part of the third medical image data is higher in imaging sensitivity for a region of the subject corresponding to the region of interest than the second medical image data.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 15, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Yojiro SUZUKI
  • Patent number: 11443476
    Abstract: A medical processing apparatus comprises processing circuitry configured to: receive an image data set for rendering; for each of a plurality of a pixels or voxels in the image data set: set a region of interest around the pixel or voxel; determine a maximum data value and a minimum data value for pixels or voxels in the region of interest; and designate the pixel or voxel as visible or as non-visible based on the maximum data value and the minimum data value for the region of interest; and perform a rendering process using the pixels or voxels of the image data set that designated as visible.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: September 13, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Steven Reynolds, Ross Davies
  • Patent number: 11439314
    Abstract: An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry generates an image by performing an analysis based on a Z-spectrum generated based on data obtained by executing a pulse sequence including application of a Magnetization Transfer (MT) pulse and causes a display to display the generated image by dividing the image into a plurality of segments.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: September 13, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Mitsue Miyazaki
  • Patent number: 11443497
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to set a curved plane between a first bone region and a second bone region included in a joint, in three-dimensional medical image data obtained by imaging the joint including at least the first bone region and the second bone region. The processing circuitry is configured to reshape at least one of the first and the second bone regions along extension of the curved plane to obtain a reshaped bone region. The processing circuitry is configured to generate display-purpose image data on the basis of the reshaped bone region resulting from the reshaping.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: September 13, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Shintaro Funabasama
  • Publication number: 20220283080
    Abstract: An automatic analyzing device according to an embodiment of the present disclosure includes a rotating table, a plurality of light receiving units, and a light radiating unit. The rotating table includes a plurality of placement parts on which a plurality of reaction cuvettes are placed, respectively. The plurality of light receiving units are provided in correspondence with the plurality of placement parts, respectively. The light radiating unit is configured to change from one of the reaction cuvettes to another on which light is radiated, by changing an emission direction of the light.
    Type: Application
    Filed: February 17, 2022
    Publication date: September 8, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Shin IIDA
  • Publication number: 20220283326
    Abstract: A Positron Emission Tomography (PET) apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain information about a defective channel of a PET detector at a second point in time later than a first point in time corresponding to a first sensitivity map that is a sensitivity map of the PET detector corresponding to the first point in time and being stored in a storage unit. The processing circuitry is configured to generate a second sensitivity map that is a sensitivity map of the PET detector corresponding to the second point in time, on the basis of the information about the defective channel.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Manabu TESHIGAWARA