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Analysis

1.WO/2021/205688RADIATION DETECTOR
WO 14.10.2021
Int.Class G01T 1/20
GPHYSICS
01MEASURING; TESTING
TMEASUREMENT OF NUCLEAR OR X-RADIATION
1Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
16Measuring radiation intensity
20with scintillation detectors
Appl.No PCT/JP2020/042720 Applicant CANON ELECTRON TUBES & DEVICES CO., LTD. Inventor KAWABATA, Tomoki
This radiation detector according to an embodiment is equipped with: a housing; an array substrate which is provided inside the housing and has a plurality of detection units which directly detect radiation or detect radiation in coordination with a scintillator; a circuit substrate which is electrically connected to the array substrate and is provided inside the housing; and a conductive part which is inside the housing and is provided between a film-shaped ground provided to the circuit substrate and a conductive plate-shaped body provided to the housing. The conductive part contains a material which is conductive and is more flexible than is the ground material.
2.WO/2021/207579NON-INVASIVE SYSTEMS AND METHODS FOR THE IMPROVED EVALUATION OF PATIENTS SUFFERING FROM UNDIAGNOSED HEADACHES
WO 14.10.2021
Int.Class A61B 6/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
Appl.No PCT/US2021/026539 Applicant CERENETEX, INC. Inventor BOBO, Benjamin William
The present specification describes a method for diagnosing if a patient is suffering from a stroke. The method includes: positioning a headset around the patient's head to passively receive vibrations generated by a cerebral vasculature of the patient's brain, the headset including at least one microphone or accelerometer; processing the received vibrations to obtain a signal; analyzing the signal to identify a pattern indicative of a stroke; and determining that the patient is suffering from a stroke based upon the result of a CT scan of the patient's brain and neck and the identified pattern indicative of a stroke.
3.102020204574Bildgebung eines robotisch bewegten medizinischen Objekts
DE 14.10.2021
Int.Class A61B 34/20
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
34Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
20Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
Appl.No 102020204574 Applicant Siemens Healthcare GmbH Inventor Kaethner Christian

Die Erfindung betrifft ein System zur Bildgebung eines robotisch bewegten medizinischen Objekts, das System aufweisend eine Bewegungsvorrichtung zur robotischen Bewegung des medizinischen Objekts, ein medizinisches Bildgebungsgerät und eine Verarbeitungseinheit, die Verarbeitungseinheit ausgebildet: einen Datensatz zu empfangen, wobei der Datensatz eine Gefäßstruktur eines Untersuchungsobjekts abbildet und mit dem medizinischen Bildgebungsgerät registriert ist, und einen Objektpfad entlang der Gefäßstruktur zu einer Zielregion in dem Datensatz zu bestimmen, die Bewegungsvorrichtung ausgebildet: das medizinische Objekt entlang des Objektpfads zu bewegen, und einen Objektparameter zu einem Bewegungszustand des medizinischen Objekts bereitzustellen, die Verarbeitungseinheit ausgebildet, in Abhängigkeit von Objektparameter und Objektpfad eine Positionierung des medizinischen Bildgebungsgeräts relativ zum Untersuchungsobjekt derart zu steuern, dass ein vordefinierter Abschnitt des medizinischen Objekts in mittels des medizinischen Bildgebungsgeräts aufgenommenen Bilddaten abgebildet ist. Die Erfindung betrifft weiterhin ein Verfahren zur Steuerung eines medizinischen Bildgebungsgeräts, ein medizinisches Bildgebungsgerät und ein Computerprogrammprodukt. embedded image

4.20210319553DETECTING VASCULAR CALCIFICATION
US 14.10.2021
Int.Class G06T 7/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
Appl.No 17220884 Applicant Neusoft Medical Systems Co., Ltd. Inventor Congrong ZHANG

Methods, systems, devices and apparatus for vascular calcification detection are provided. In one aspect, a vascular calcification detection method includes: obtaining a three-dimensional non-angiographic image, obtaining one or more to-be-detected sub-regions included in each of at least two to-be-detected regions in the three-dimensional non-angiographic image by inputting the three-dimensional non-angiographic image into a pre-trained region identification network, the to-be-detected regions including an aortic region and a coronary region; for each of the to-be-detected regions, obtaining a calcification region in the to-be-detected region by threshold segmentation; based on the calcification region and the one or more to-be-detected sub-regions included in the to-be-detected region, determining a corresponding calcification sub-region in each of the one or more to-be-detected sub-regions; and displaying the corresponding calcification sub-region in each of the one or more to-be-detected sub-regions in the three-dimensional non-angiographic image.

5.WO/2021/205683IMAGE PROCESSING METHOD FOR PARTITIONING THREE-DIMENSIONAL OBJECT AT NARROW PART OF SHAPE, IMAGE PROCESSING PROGRAM, AND IMAGE PROCESSING DEVICE
WO 14.10.2021
Int.Class G06T 7/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
Appl.No PCT/JP2020/041447 Applicant VOCSIS CORPORATION Inventor KOBAYASHI Koji
An image processing method is provided which, in image diagnosis, can limit the inspection area to around the organ to be diagnosed, and further enables intuitively understanding the three-dimensional shape of the organ. Given binary three-dimensional data representing a mass in three-dimensional space, the image processing method partitions the mass into individual segments with boundaries at the narrow parts of the shape of the mass. When applying this technique to image diagnosis, a series of organs can be partitioned into individual organ segments at the narrow parts of the shape because it is possible to identify the individual organs by shape even when the series of organs has no numerical difference at the boundaries in the image. As a result of this, an area restricted to the region of the target organ can be inspected during image diagnosis, and during image interpretation, inspection can be carried out while referring to a three-dimensional display with which the three-dimensional shape of the organ can be intuitively understood.
6.20210315534METHOD FOR GATING IN TOMOGRAPHIC IMAGING SYSTEM
US 14.10.2021
Int.Class A61B 6/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
Appl.No 17228219 Applicant Delta Electronics, Inc. Inventor Sih-Yu Chen

A method for gating in tomographic imaging system includes steps of: (a) performing a tomographic imaging on an object for acquiring a plurality of projection images at different projection angles, wherein a target of the object moves periodically; (b) obtaining a projected position of the target on each of the projection images, wherein the projected position is a center of a target zone on each of the projection images; (c) calculating a parameter value of pixel values in the target zone on each of the projection images, and obtaining a curve of a moving cycle of the target according to the parameter values of the projection images; and (d) selecting the projection images under the same state in the moving cycle for image reconstruction according to the curve of the moving cycle of the target.

7.102020204673Verfahren und Vorrichtung zur Dosismessung in einem Röntgengerät
DE 14.10.2021
Int.Class A61B 6/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
Appl.No 102020204673 Applicant Siemens Healthcare GmbH Inventor Weber Thomas

Die Erfindung betrifft eine Vorrichtung zur Dosismessung ausgelegt zum Einsatz in einem Röntgengerät (1), umfassend: - ein Spiegelelement (2) ausgelegt zur Einkopplung eines Lichtfeldes (L) in einen durch das Spiegelelement dringenden Röntgenstrahl (R), - eine Messeinheit (3) zur Messung strahleninduzierter Änderungen an einem Trägermaterial (T), wobei das Trägermaterial (T) Teil des Spiegelelements (2) und/oder einer sonstigen Komponente der Vorrichtung ist, welche bei einem bestimmungsgemäßen Einsatz in einem Röntgengerät (1), im Strahlungsfeld des Röntgengeräts (1) liegt. Die Erfindung betrifft darüber hinaus ein entsprechendes Verfahren zur Dosismessung sowie ein Röntgengerät. embedded image

8.WO/2021/206525AUTOMATIC MOTION EVALUATION DEVICE FOR TRACKING TUMOR, AND RADIATION TREATMENT SYSTEM USING SAME
WO 14.10.2021
Int.Class A61N 5/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
Appl.No PCT/KR2021/004567 Applicant UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY Inventor HONG, Chae Seon
Disclosed are an automatic motion evaluation device and a radiation treatment system using same according to the present invention, the automatic motion evaluation device comprising: an image input unit which receives an input of an organ image including the motion of an internal organ of a subject, and receives an input of a radiographic image of a tumor or a plurality of markers; and a signal processing unit which analyzes and evaluates the motion of the tumor and the motion of the plurality of markers using the organ image and the radiographic image, and suggests planning margins and a combination of markers representing the motion of the tumor.
9.WO/2021/204737SUPPRESSION OF MOTION ARTIFACTS IN COMPUTED TOMOGRAPHY IMAGING
WO 14.10.2021
Int.Class G06T 11/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
112D image generation
Appl.No PCT/EP2021/058829 Applicant KONINKLIJKE PHILIPS N.V. Inventor SHECHTER, Gilad
A system (SYS) and related method for motion artifact reduction in X-ray imaging. The system (SYS) comprises an input interface (IN) for receiving a first input image (i1, I1) of an object (PAT) reconstructed from a first set of projection data, and a second input image (i2, I2) of the object reconstructed from a second set of projection data. The second set is smaller than the first set. A motion analyzer (MA) establishes an estimate for motion corruption based on the two input images. A selective combiner (Σ) computes an image value for an enhanced image (I1+I2, i1+i2), based on the motion estimate and on image information in the first input image (i1, I1) and/or the second input image (i2, I2).
10.WO/2021/203602CALIBRATION PHANTOM AUTOMATIC POSITIONING METHOD, SCANNING SYSTEM AND READABLE STORAGE MEDIUM
WO 14.10.2021
Int.Class A61B 6/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
Appl.No PCT/CN2020/108897 Applicant NANJING ANKE MEDICAL TECHNOLOGY CO., LTD. Inventor CAI, Biao
A calibration phantom automatic positioning method, a scanning system and a readable storage medium. The method comprises the steps of: acquiring information of a starting position and an ending position of a scanning table, and determining the positions of the scanning table and the centroid of a phantom in z direction (step A); performing positioning image scan on the phantom from two different angles, i.e., x direction and y direction, and determining the positions of the phantom in two scanning planes to obtain a three-dimensional position of the phantom (step B); determining the actual deviation distance of the centroid of the phantom from the rotation center of a scanning gantry, and calculating the desired position of the scanning table in combination with the current position of the scanning table (step C); and according to the desired position of the scanning table, determining a predetermined stop position of the scanning table in a scanning protocol, and adjusting the moving direction and distance of the scanning table to achieve phantom positioning (step D). The calibration phantom automatic positioning method does not need to use a laser positioning lamp for positioning, does not need to scan for multiple times, and can determine the current position of the phantom by placing the phantom well and performing two times of positioning image scan, achieving full-automatic completion of system calibration and performance testing.