Patents Assigned to Canon Medical Systems Corporation
-
Publication number: 20240099675Abstract: A medical image processing device includes processing circuitry. The processing circuitry sets a first energy bin at a k-absorption edge of a specific substance and sets a second energy bin and a third energy bin on both sides of the first energy bin. The processing circuitry generates a first medical image and a second medical image in which the specific substance is more emphasized using data of the energy bins. The processing circuitry outputs the medical images via an output interface. The processing circuitry sets a weighting for the data in the first energy bin when the second medical image is generated to be less than a weighting for the data in the second energy bin when the second medical image is generated and to be less than a weighting for the data in the first energy bin when the first medical image is generated.Type: ApplicationFiled: September 27, 2023Publication date: March 28, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Shinsuke TSUKAGOSHI, Hiroki TAGUCHI
-
Publication number: 20240099669Abstract: A medical image diagnostic apparatus according to an embodiment includes at least one processor. The at least one processor is configured to set, in a case where a plurality of scan processes corresponding to respective and independent imaging techniques are sequentially performed, reference time that acts as a reference for a start timing of at least one of second and subsequent scan processes from among the plurality of scan processes, and use the reference time that has been set, and sequentially performs the plurality of scan processes in response to an instruction received from a user.Type: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Kazuki GATAYAMA
-
Patent number: 11937959Abstract: 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: GrantFiled: December 20, 2022Date of Patent: March 26, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Takuya Sakaguchi, Kyojiro Nambu, Hisato Takemoto
-
Patent number: 11941825Abstract: A medical image processing apparatus includes processing circuitry configured to receive first volume data and second volume data; set a first symmetry plane for the first volume data and a second symmetry plane for the second volume data; and conduct a registration of the first volume data and the second volume data based on the first symmetry plane and the second symmetry plane.Type: GrantFiled: October 28, 2021Date of Patent: March 26, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ewan Hemingway, Paul Thomson, John Hipwell
-
Patent number: 11937960Abstract: A medical image diagnosis apparatus according to an embodiment includes: a first supporting part, a second supporting part, and one or more columns. The first supporting part is configured to support an imaging system related to imaging a subject to be examined. The second supporting part is configured to support the first supporting part from underneath the first supporting part. The one or more columns are configured to support the second supporting part so as to be movable along a vertical direction.Type: GrantFiled: July 28, 2021Date of Patent: March 26, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Shouichi Nakagawa, Keita Yonemori
-
Patent number: 11941812Abstract: In one embodiment, a diagnosis support apparatus includes: an input circuit configured to acquire a first medical image; and processing circuitry configured to generate a second medical image from the first medical image in such a manner that information included in the second medical image is reduced from information included in the first medical image, extract auxiliary information from the first medical image, and perform inference of a disease by using the second medical image and the auxiliary information.Type: GrantFiled: September 27, 2022Date of Patent: March 26, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kota Aoyagi, Yasuko Fujisawa
-
Patent number: 11942212Abstract: The medical data processing apparatus according to any of embodiments includes processing circuitry. The processing circuitry is configured to calculate a probability that target image data has a lesion and a confidence interval indicating a reliability of the probability, and to output data on the lesion based on the probability and the confidence interval of the probability.Type: GrantFiled: September 7, 2021Date of Patent: March 26, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventor: Shigeharu Ohyu
-
Publication number: 20240095977Abstract: A reconstruction device according to an embodiment includes a processing circuit. The processing circuit acquires a plurality of pieces of second sinogram data based on a plurality of pieces of first sinogram data, acquires third sinogram data by comparing the pieces of first sinogram data with the pieces of second sinogram data and by selecting pieces of first sinogram data having close similarity, and reconstructs an image on the basis of the third sinogram data.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Takahiko NISHIOKA
-
Patent number: 11933871Abstract: According to one embodiment, MRI apparatus includes processing circuitry and an imaging device. The processing circuitry is configured to acquire at least one of body size information relating to a size of an object and breath-hold information relating to a breath-holdable time of the object. The processing circuitry is further configured to determine an imaging condition to be performed on the object based on the at least one of the body size information and the breath-hold information. The imaging device performs imaging of the object in accordance with the determined imaging condition.Type: GrantFiled: August 12, 2022Date of Patent: March 19, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Shinya Ozawa, Takeshi Ishimoto
-
Patent number: 11931202Abstract: An ultrasound automatic scanning system according to an embodiment includes an ultrasound probe, a mechanical mechanism, and processing circuitry. The ultrasound probe transmits and receives ultrasonic wave. The mechanical mechanism holds and moves the ultrasound probe while an ultrasonic-wave transmission-reception surface of the ultrasound probe is pointed to a subject. The processing circuitry acquires a distance between a body surface of the subject and the ultrasonic-wave transmission-reception surface of the ultrasound probe based on reflected wave data collected while the ultrasound probe is moved by the mechanical mechanism. The processing circuitry generates, based on information of the distance, locus information of movement of the ultrasound probe when ultrasound scanning is executed on the subject. The mechanical mechanism executes ultrasound scanning on the subject by moving the ultrasound probe based on the locus information generated by the processing circuitry.Type: GrantFiled: September 3, 2019Date of Patent: March 19, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yusuke Kobayashi, Satoshi Matsunaga
-
Patent number: 11931194Abstract: A body fluid analysis device includes processing circuitry. The processing circuitry is configured to set one or more subregions in a region of interest in a medical image. The processing circuitry is configured to set a reference direction for each of the subregions set. The processing circuitry is configured to determine a flow direction of a body fluid for each subregion. The processing circuitry is configured to determine the state of a flow of the body fluid in the region of interest on the basis of the reference direction for each subregion set and the flow direction of the body fluid for each subregion determined.Type: GrantFiled: April 28, 2021Date of Patent: March 19, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto Aoyama
-
Publication number: 20240087119Abstract: A medical image diagnosis system includes an imaging apparatus and processing circuitry. The imaging apparatus applies one-time or multiple-time medical imaging to a subject to which a plurality of drugs having a tissue accumulation property, which corresponds to a tissue characteristic, are administered successively or simultaneously. The processing circuitry reconstructs one or a plurality of medical images, based on one or a plurality of set of raw data acquired by the one-time or multiple-time medical imaging. The processing circuitry estimates a tissue characteristic of a target region, based on a spatial distribution of the drugs rendered on the one or the plurality of medical images. The processing circuitry displays the estimated tissue characteristic.Type: ApplicationFiled: September 8, 2023Publication date: March 14, 2024Applicant: Canon Medical Systems CorporationInventors: Hiroki TAGUCHI, Shinsuke TSUKAGOSHI, Yohei MINATOYA, Ryo OKUDA
-
Publication number: 20240081772Abstract: An X-ray diagnostic apparatus according to an embodiment includes an imaging apparatus and a processor. The imaging apparatus includes an X-ray tube configured to generate an X ray; and an X-ray detector configured to detect an X ray that has been emitted from the X-ray tube and passed through a subject. The processor obtains an examination protocol including an imaging condition corresponding to contents of an examination for the subject, obtains a camera image in which the subject has been captured, and determines whether at least one examination item corresponding to the examination protocol is executable based on first geometric information and second geometric information, the first geometric information including a geometric positional relation between the subject and the imaging apparatus associated with the examination protocol, and the second geometric information including a geometric positional relation between the subject and the imaging apparatus detected based on the camera image.Type: ApplicationFiled: September 8, 2023Publication date: March 14, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Rie IKEZAKI, Naoko KURATOMI, Haruki Iwai, Yoshimasa Kobayashi
-
Publication number: 20240087111Abstract: A system and method is provided for controlling an acquisition system to obtain, based on a currently acquired set of projection data, a next set of projection data that is to be acquired using a set of learned imaging conditions. The set of learned imaging conditions are, at least in part, based on training data including projection data and dose information. In one embodiment, the initial dose and angle for obtaining the initial set of projection data are chosen at random. In another embodiment, the initial dose and angle for obtaining the initial set of projection data are chosen based on a test scan and a trained neural network for outputting the initial dose and angle using a loss function.Type: ApplicationFiled: September 8, 2022Publication date: March 14, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yi HU, Yu-bing CHANG, Haruki IWAI, Joseph MANAK, John BAUMGART, James BEGELMAN
-
Publication number: 20240085507Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a processing circuit. The processing circuit is configured to predict, based on an imaging sequence of magnetic resonance imaging and a relationship between a driving frequency of a gradient field coil and one of a magnet internal pressure and a magnet temperature of a static field magnet, the one of the magnet internal pressure and the magnet temperature at the time of execution of the imaging sequence, adjusts the imaging sequence based on a prediction result, and execute the adjusted imaging sequence.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Applicant: Canon Medical Systems CorporationInventors: Yutaka MACHII, Naoyuki FURUDATE, Motohiro MIURA
-
Publication number: 20240087118Abstract: A medical image processing apparatus according to one embodiment includes processing circuitry. The processing circuitry trains an attention model by using a medical image and a mask image that is obtained by performing mask processing on a region other than a region of interest in the medical image, trains an image processing model by using the medical image, a heatmap corresponding to the medical image, and an attention feature that indicates attention of the region of interest in the trained attention model, combines, as an attention image processing model, an attention extraction module that includes an attention module for outputting the attention feature and the trained image processing model, performs processing on the medical image by using the attention image processing model, and generates a heatmap for determining a position of a landmark in the medical image.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Gengwan LI, Lixin YAN, Qilin XIAO, Shun ZHAO
-
Publication number: 20240087746Abstract: According to one embodiment, a medical diagnostic imaging apparatus includes processing circuitry. The processing circuitry receives a subject's examination information including a case and an examination body part. The processing circuitry acquires a first search result by searching a library that associates an imaging protocol with each case using the subject's case. The processing circuitry acquires a second search result by searching a library that associates a slice condition with each examination body part using the subject's examination body part. The processing circuitry determines an imaging protocol for the subject based on the first search result, and determines a slice condition for the subject based on the second search result. The processing circuitry stores the received examination information and the determined imaging protocol and slice condition in a predetermined library in such a manner as to associate them with each other.Type: ApplicationFiled: September 13, 2023Publication date: March 14, 2024Applicant: Canon Medical Systems CorporationInventor: Junichiro ARAOKA
-
Publication number: 20240081770Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of projection data based on an output signal from an X-ray detector that rotates around a subject, performs reconstruction filter processing on the plurality of acquired projection data, the reconstruction filter processing being included in reconstruction regarding the plurality of projection data, generates correction information on a sensitivity difference area formed in the plurality of projection data due to differences in sensitivity of the X-ray detector, on the basis of a processing result of the reconstruction filter processing, performs correction processing on the plurality of projection data on the basis of the correction information, and performs reconstruction processing including the reconstruction filter processing on the plurality of projection data subjected to the correction processing.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Jumpei OGASAWARA, Hajime YOSHIDA, Yasuto HAYATSU, Kunio SHIRAISHI
-
Publication number: 20240081763Abstract: According to one embodiment, a medical device operation method includes a monitoring step and an application step. In the monitoring step, a monitoring apparatus executes first CT imaging on a treatment target person into which a first drug particle with a suppressed onset of a treatment effect is introduced, and monitors an accumulation of the first drug particles in a tissue, based on spectral information acquired by the first CT imaging. In the application step, an application apparatus applies an action for exerting the treatment effect of the first drug particle to the first drug particle accumulating in the tissue, by using as a trigger an event that the accumulation of the first drug particles in the tissue satisfies an objective condition.Type: ApplicationFiled: September 8, 2023Publication date: March 14, 2024Applicant: Canon Medical Systems CorporationInventors: Hiroki TAGUCHI, Shinsuke TSUKAGOSHI, Yohei MINATOYA
-
Patent number: 11927655Abstract: A magnetic resonance imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry sets a pulse sequence to collect plural echo signals by application of a refocusing pulse more than once after application of an excitation pulse once, and collects data on plural slices that are parallel to each other by executing the pulse sequence more than once. The processing circuitry sets the pulse sequence such that a slice thickness for the refocusing pulse becomes larger than a slice thickness for the excitation pulse, and collects the data on the plural slices by executing the pulse sequence without consecutively collecting data on adjacent ones of the plural slices.Type: GrantFiled: July 26, 2022Date of Patent: March 12, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hiroki Kondo, Masaaki Umeda, Masanori Ozaki