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公开(公告)号：US20250160776A1
公开(公告)日：2025-05-22
申请号：US18949498
申请日：2024-11-15
Applicant: Canon Medical Systems Corporation
Inventor： Takuya SAKAGUCHI
IPC: A61B6/00
Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, an X-ray detector, and processing circuitry. The X-ray tube radiates X-rays toward a subject into which a contrast medium is injected. The an X-ray detector detects the X-rays transmitted through the subject. The processing circuitry generates an X-ray image based on an output from the X-ray detector. The processing circuitry acquires indexes related to a brightness of the X-ray image. The processing circuitry corrects, based on a reference index prior to injection of the contrast medium and a latest index after start of the injection of the contrast medium, a brightness value of the X-ray image relative to the latest index, the reference index and the latest index being included in the acquired indexes.
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2.发明申请公开(公告)号：US20230068560A1
公开(公告)日：2023-03-02
申请号：US17893477
申请日：2022-08-23
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Takuya SAKAGUCHI
Abstract: A medical information processing system of an embodiment includes a processing circuit. The processing circuit acquires medical examination data of a diagnosis subject and reply data of a medical examination by interview for the diagnosis subject. The processing circuit estimates a disease or symptoms of the diagnosis subject by inputting the examination data of the diagnosis subject to a trained model. The trained model is a model trained on the basis of a training data set in which diseases or symptoms that a learning subject suffers from are associated with examination data of the learning subject as correct answer labels. The processing circuit outputs a result of comparison between estimated data based on an estimation result of the disease or symptoms of the diagnosis subject and the reply data via an output unit.
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公开(公告)号：US20210201482A1
公开(公告)日：2021-07-01
申请号：US17130230
申请日：2020-12-22
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Chihiro HATTORI , Takuya SAKAGUCHI
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.
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公开(公告)号：US20200000420A1
公开(公告)日：2020-01-02
申请号：US16565061
申请日：2019-09-09
Applicant: Canon Medical Systems Corporation
Inventor： Takuya SAKAGUCHI , Kyojiro NAMBU , Hisato TAKEMOTO
Abstract: 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.
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公开(公告)号：US20230386647A1
公开(公告)日：2023-11-30
申请号：US18326415
申请日：2023-05-31
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Gakuto AOYAMA , Takuya SAKAGUCHI , Yufei LI , Qi ZHU , Changsheng QU , Yongjun MA
CPC classification number: G16H30/40 , G06T7/0012 , G16H30/20 , A61B6/032
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry and storage circuitry. The processing circuitry acquires a medical image. The processing circuitry extracts a region of interest from the medical image. The processing circuitry sets a calculation rule for calculating a characteristic amount for the region of interest. The storage circuitry stores therein the calculation rule.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20230197250A1
公开(公告)日：2023-06-22
申请号：US18067843
申请日：2022-12-19
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Takuya SAKAGUCHI , Ryo SHIROISHI
Abstract: A medical information processing device includes a storage and processing circuitry. The storage stores past diagnostic images related to a subject. The processing circuitry is configured to acquire test result information on the subject and to identify a past diagnostic image associated with the test result information among the past diagnostic images stored in the storage.
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公开(公告)号：US20230129981A1
公开(公告)日：2023-04-27
申请号：US18068983
申请日：2022-12-20
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Takuya SAKAGUCHI , Kyojiro NAMBU , Hisato TAKEMOTO
Abstract: 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.
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公开(公告)号：US20230102303A1
公开(公告)日：2023-03-30
申请号：US17935362
申请日：2022-09-26
Inventor： Mark PARSONS , Andrew BIVARD , Ryota MATSUBARA , Takashi SHIGETA , Takuya SAKAGUCHI
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires medical images of multiple time phases. The processing circuitry generates a vascular territory image showing plural vascular territories included in the subject tissue. The processing circuitry sets a region of interest in the subject tissue. The processing circuitry sets at least two regions out of the vascular territories and an ischemia area in the region of interest based on the vascular territory image. The processing circuitry calculates a ratio of each of the at least two regions to the region of interest. The processing circuitry outputs information about the ratio.
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9.发明申请公开(公告)号：US20230046986A1
公开(公告)日：2023-02-16
申请号：US17818103
申请日：2022-08-08
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Takuya SAKAGUCHI
Abstract: A medical information processing system of an embodiment includes a processing circuit. The processing circuit acquires examination data showing medical examination results with respect to a medical treatment subject and reply data showing reply results of a medical examination by interview with respect to the medical treatment subject. The processing circuit estimates information on medical treatment of the medical treatment subject by inputting the examination data of the medical treatment subject to a first model and estimates information on medical treatment of the medical treatment subject by inputting the examination data and the reply data of the medical treatment subject to a second model. The processing circuit outputs a first estimation result of the first model and a second estimation result of the second model via an output unit.
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10.发明申请公开(公告)号：US20210161485A1
公开(公告)日：2021-06-03
申请号：US17092848
申请日：2020-11-09
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Fumimasa SHIGE , Takuya SAKAGUCHI
Abstract: An X-ray diagnostic apparatus according to an embodiment includes an X-ray tube, an X-ray detector, image generating circuitry, and processing circuitry. The X-ray tube generates an X-ray. The X-ray detector is positioned in a manner facing the X-ray tube, and detects the X-ray. The image generating circuitry generates an X-ray image one after another, based on an output of the X-ray detector. The processing circuitry identifies an inserted object inside a subject in the X-ray image, by performing an image recognition process to the X-ray image. The processing circuitry sets the area to be searched for a marker, based on the inserted object identified in the X-ray image. The processing circuitry detects the marker in the X-ray image, by searching the area to be searched for the marker.
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