公开(公告)号：US20230363731A1

公开(公告)日：2023-11-16

申请号：US18317146

申请日：2023-05-15

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Hideaki ISHII

IPC: A61B6/00

CPC classification number: A61B6/5217 ,  A61B6/463 ,  A61B6/5205

Abstract: A medical image processing apparatus of one embodiment includes a processing circuitry. The processing circuitry extracts, from a medical image, anatomical landmarks that represent feature points of anatomical tissue included in the medical image, and calculates, based on a measurement pattern that defines a measurement method for an index that represents a relative positional relationship between a plurality of anatomical landmarks that are measurement targets, an index that represents a relative positional relationship between a plurality of anatomical landmarks corresponding to a condition for the measurement pattern among the extracted anatomical landmarks.

公开(公告)号：US20230154061A1

公开(公告)日：2023-05-18

申请号：US18054977

申请日：2022-11-14

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Guang Yi Ong ,  Hideaki ISHII ,  Hiroshizu MORISHIMA ,  Junya SUZUKI

IPC: G06T11/00 ,  G06F3/0354 ,  G06F3/0482

CPC classification number: G06T11/00 ,  G06F3/03543 ,  G06F3/0482 ,  G06T2200/24 ,  G06T2210/41

Abstract: The medical image display apparatus according to any of embodiments includes processing circuitry. The processing circuitry is configured to determine whether a mouse cursor is superimposed on a display range of interpretation-target medical image data in a display screen of a display or not. Further, the processing circuitry is configured to display, when the mouse cursor is determined to be superimposed on the display range, at least one choice of comparative medical image data corresponding to interpretation-target medical image data specified by the position of a mouse cursor in an interpretation adjacent region where the specified interpretation-target medical image data is not superimposed and is adjacent to the specified interpretation-target medical image data.

公开(公告)号：US20230017788A1

公开(公告)日：2023-01-19

申请号：US17939014

申请日：2022-09-07

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Takuma IGARASHI ,  Satoshi WAKAI ,  Kazumasa ARAKITA ,  Hideaki ISHII ,  Yasuko FUJISAWA ,  Shigeo KAMINAGA ,  Kenji HIROHATA ,  Junichiro OOGA

IPC: G06T7/00 ,  A61B6/00 ,  A61B6/03 ,  G06T11/00

Abstract: There is provided a medical image processing apparatus which includes a first extraction unit configured to extract coronary arteries depicted in images of a plurality of time phases relating to the heart, and to extract at least one stenosed part depicted in each coronary artery; a calculation unit configured to calculate a pressure gradient of each of the extracted coronary arteries, based on tissue blood flow volumes of the coronary arteries; a second extraction unit configured to extract an ischemic region depicted in the images; and a specifying unit configured to specify a responsible blood vessel of the ischemic region by referring to a dominance map, in which each of the extracted coronary arteries and a dominance territory are associated, for the extracted ischemic region, and to specify a responsible stenosis, based on the pressure gradient corresponding to a stenosed part in the specified responsible blood vessel.

公开(公告)号：US20230066028A1

公开(公告)日：2023-03-02

申请号：US17818043

申请日：2022-08-08

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Hideaki ISHII ,  Guang Yi ONG ,  Hiroshizu MORISHIMA ,  Junya SUZUKI

IPC: G06T11/60 ,  G06T5/50 ,  G06T7/00 ,  G06F3/0482 ,  G16H30/40

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.

公开(公告)号：US20220068469A1

公开(公告)日：2022-03-03

申请号：US17459204

申请日：2021-08-27

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Takuya SAKAGUCHI ,  Kazumasa ARAKITA ,  Hideaki ISHII ,  Takahiko NISHIOKA

IPC: G16H30/40 ,  G16H50/30 ,  G06T7/00

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires fractional flow reserve at rest in a coronary artery of a subject, and fractional flow reserve at stress in the coronary artery. The processing circuitry calculates an index value based on comparison between the fractional flow reserve at rest and the fractional flow reserve at stress. The processing circuitry displays the index value as an index for a myocardial function of the subject.

公开(公告)号：US20200312012A1

公开(公告)日：2020-10-01

申请号：US16833732

申请日：2020-03-30

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Hideaki ISHII

IPC: G06T15/08 ,  G06T7/00 ,  G06T7/564 ,  A61B6/00

Abstract: A medical image processing apparatus of an embodiment includes processing circuitry. The processing circuitry is configured to acquire time-series medical images including blood vessels of an examination subject, the time-series medical images being fluoroscopically captured in at least one direction at a plurality of points in time, generate a blood vessel shape model including time-series variation information about the blood vessels in an analysis region of the blood vessels on the basis of the acquired time-series medical images, and perform fluid analysis of blood flowing through the blood vessels on the basis of the generated blood vessel shape model.

公开(公告)号：US20240379216A1

公开(公告)日：2024-11-14

申请号：US18658365

申请日：2024-05-08

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Hideaki ISHII

IPC: G16H30/40 ,  G06V10/44

Abstract: A medical image processing apparatus according to an embodiment includes a processing circuitry that: obtains a first-type medical image, and obtains a second-type medical image which is taken at a different timing than the first-type medical image; extracts first-type feature points from the first-type medical image, and extracts second-type feature points from the second-type medical image; associates first-type feature points and second-type feature points; receives a correction input that, from among the pairs of the first-type feature point and the second-type feature point associated, is meant for associating the concerned first-type feature point with a different second-type feature point; calculates the position difference between the pre-correction position and the post-correction position of the second-type feature point captured in the second-type medical image and specified in the correction input; and based on the position difference, corrects the result of position adjustment between the first-type medical image and the second-type medical image.

公开(公告)号：US20240290012A1

公开(公告)日：2024-08-29

申请号：US18658143

申请日：2024-05-08

Applicant: Canon Medical Systems Corporation

Inventor： Hideaki ISHII ,  Satoshi WAKAI ,  Kazumasa ARAKITA ,  Takuma IGARASHI ,  Yasuko FUJISAWA ,  Shigeo KAMINAGA ,  Kenji HIROHATA ,  Junichiro OOGA

IPC: G06T11/00 ,  A61B6/00 ,  A61B6/46 ,  A61B6/50 ,  G06T7/30

CPC classification number: G06T11/003 ,  A61B6/465 ,  A61B6/486 ,  A61B6/504 ,  A61B6/5217 ,  A61B6/5229 ,  G06T7/30 ,  G06T11/001 ,  A61B6/503 ,  G06T2207/10024 ,  G06T2207/10081 ,  G06T2207/10088 ,  G06T2207/10104 ,  G06T2207/10108 ,  G06T2207/30048 ,  G06T2207/30101

Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.

公开(公告)号：US20190189270A1

公开(公告)日：2019-06-20

申请号：US16217334

申请日：2018-12-12

Applicant: Canon Medical Systems Corporation

Inventor： Hideaki ISHII ,  Satoshi Wakai

IPC: G16H40/20 ,  G16H30/20 ,  G16H50/30

CPC classification number: G16H40/20 ,  G16H30/20 ,  G16H50/30

Abstract: A hospital information apparatus according to an embodiment includes a processing circuit. The processing circuit is configured to obtain past information related to a subject for whom an examination order is issued. The processing circuit is configured to set one or more additional examination orders on the basis of an analysis performed on the past information. The processing circuit is configured to determine a proposed order from among the additional examination orders on the basis of a relationship between the examination order and the additional examination orders.

公开(公告)号：US20230363642A1

公开(公告)日：2023-11-16

申请号：US18317371

申请日：2023-05-15

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Hideaki ISHII

IPC: A61B5/00

CPC classification number: A61B5/004 ,  A61B2560/0223

Abstract: A medical image processing apparatus includes processing circuitry. The processing circuitry extracts, from a medical image, anatomical landmarks that represent feature points of anatomical tissue that is included in the medical image, identifies a landmark group to which the extracted anatomical landmarks belong from among landmark groups in each of which a plurality of anatomical landmarks that are groped based on the anatomical tissue and relationship information that defines a physical relationship among the anatomical landmarks are associated, and corrects positions of the extracted anatomical landmarks on the medical image based on the relationship information on the identified landmark group.