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1.WO/2020/106197X-RAY IMAGING SYSTEM FOR PHASE CONTRAST IMAGING USING PHOTON-COUNTING EVENTS
WO 28.05.2020
Int.Class G01T 1/24
GPHYSICS
01MEASURING; TESTING
TMEASUREMENT OF NUCLEAR OR X-RADIATION
1Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
16Measuring radiation intensity
24with semiconductor detectors
Appl.No PCT/SE2019/051010 Applicant PRISMATIC SENSORS AB Inventor DANIELSSON, Mats
There is provided an x-ray imaging system (100) comprising an x-ray source (10), and an associated x-ray detector (20), wherein the x-ray detector (20) is a photon counting x-ray detector for enabling detection of photon-counting events. The x-ray imaging system (100) is configured for enabling acquisition of at least one phase contrast image based on detected photon-counting events. The x-ray detector (20) is based on a number of x-ray detector sub-modules, also referred to as wafers, each of which comprises detector elements, wherein the x-ray detector sub-modules are oriented in edge-on geometry with their edge directed towards the x-ray source, assuming the x- rays enter through the edge. Each x-ray detector sub-module or wafer has a thickness with two opposite sides of different potentials to enable charge drift towards the side, where the detector elements, also referred to as pixels, are arranged. The x-ray imaging system (100) is further configured to determine an estimate or measure of charge diffusion originating from a Compton interaction or an interaction through photoeffect related to an incident x-ray photon in an x-ray detector sub-module or wafer of the x-ray detector, and to determine an estimate of a point of interaction of the incident x-ray photon in the x-ray detector sub-module based on the determined estimate or measure of charge diffusion.
2.WO/2020/107017RADIATION SHIELD
WO 28.05.2020
Int.Class A61B 6/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
10Application or adaptation of safety means
Appl.No PCT/US2019/062832 Applicant ECO CATH-LAB SYSTEMS, INC. Inventor GOLDSTEIN, James A.
A radiation shield is adapted to be disposed transversely across a subject supported on the surface of a procedure table to protect medical professionals working in front of the radiation shield from radiation being applied to the subject behind the radiation shield. The radiation shield includes a movable barrier positional to extend transversely across a subject supported on the surface of a procedure table. The barrier has a generally vertically-oriented lower section; a generally forwardly sloping intermediate section; and a generally vertically-oriented upper section, forwardly offset from the plane of the lower section. A side section extends outwardly and rearwardly from one side of the lower, intermediate, and upper sections of the barrier. There is a recess in the lower edge of the lower section for accommodating a portion of the body of the subject on the surface of the procedure table, with portions of the lower section on each side of the recess projecting downwardly below the surface of the procedure table. A plurality of flexible radiopaque flaps depending from the perimeter of the recess block radiation from penetrating the gap between the subject and the perimeter of the recess.
3.WO/2020/104776SENSOR FOR USE IN IMAGING APPLICATIONS
WO 28.05.2020
Int.Class A61B 5/113
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
103Measuring devices for testing the shape, pattern, size or movement of the body or parts thereof, for diagnostic purposes
11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
113occurring during breathing
Appl.No PCT/GB2019/053256 Applicant OXFORD UNIVERSITY INNOVATION LIMITED Inventor WARNER, Jamie
Electromagnetically transparent conductive materials, in particular nanomaterials, are used in a sensor along with piezoelectric materials to detect the motion of a subject to provide respiratory and cardiac gating for imaging techniques such as MRI, CT scans and PET.
4.WO/2020/105426MEDICAL IMAGE PROCESSING APPARATUS, MEDICAL IMAGE PROCESSING METHOD, AND STORAGE MEDIUM
WO 28.05.2020
Int.Class A61B 8/14
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
8Diagnosis using ultrasonic, sonic or infrasonic waves
13Tomography
14Echo-tomography
Appl.No PCT/JP2019/043391 Applicant CANON MEDICAL SYSTEMS CORPORATION Inventor MIYAKI, Keisuke
A medical image processing apparatus (1) according to an embodiment comprises an acquisition unit (555) and a control unit (551). The acquisition unit (555) acquires a measurement value related to the shape of a heart valve included in medical image data. The control unit (551) displays, on a display unit, the measurement value and numerical values relating to the shape of a prosthetic valve placed in the heart valve.
5.WO/2020/106925MEDICAL IMAGING BASED ON CALIBRATED POST CONTRAST TIMING
WO 28.05.2020
Int.Class A61B 5/055
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
05Measuring for diagnosis by means of electric currents or magnetic fields
055involving electronic or nuclear magnetic resonance, e.g. magnetic resonance imaging
Appl.No PCT/US2019/062552 Applicant THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK Inventor MA, Jingchen
Techniques measuring post contrast phase include collecting 3D medical imagery of a subject after injection with a contrast agent. A first set of slices is obtained in which each includes a first anatomical feature selected from a portal vein, aorta, inferior vena cava, liver, spleen or renal cortex. A second set of slices is obtained in which each includes a different second anatomical feature. A first image region is obtained from the first set and a different second image region from the second set. A trained convolutional neural network is configured to input the first image region to a first plurality of convolutional hidden layers and the second image region to a second plurality of convolutional hidden layers and output from both to a fully connected hidden layer that outputs a post contrast phase. Output data is presented based on the post contrast phase.
6.WO/2020/104224APPARATUS FOR ALVEOLI BASED VISUALIZATION IN DARK-FIELD OR PHASE-CONTRAST X-RAY IMAGING
WO 28.05.2020
Int.Class A61B 6/03
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03Computerised tomographs
Appl.No PCT/EP2019/080776 Applicant KONINKLIJKE PHILIPS N.V. Inventor YAROSHENKO, Andre
The present invention relates to an apparatus (10) for alveoli based visualization in dark- field or phase-contrast X-ray imaging. It is described to provide (210) a dark- field or phase-contrast X-ray image of a region of interest of an object, wherein image data are represented in units of a dark-field or a phase-contrast signal. A calibration is provided (220) relating dark-field or phase-contrast signal to an alveoli index in a lung. The calibration is utilized (230) to convert the dark-field or phase-contrast X-ray image of the region of interest of the object into an alveoli based image of the region of interest of the object, wherein the image data are represented in units of the alveoli index. The alveoli based image is outputted (240).
7.WO/2020/105224X-RAY PHASE IMAGING SYSTEM
WO 28.05.2020
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/JP2019/030293 Applicant SHIMADZU CORPORATION Inventor DOKI, Takahiro
This X-ray phase imaging system (100) includes an X-ray source (1), a detector (2), a plurality of lattices, an image processing unit (6) that generates a phase contrast image, a cooling fan (7) that is disposed so as to be spaced apart from the X-ray source and cools the X-ray source by blowing air to the X-ray source, and a windshield member (8) that blocks wind (51) going toward the lattices out of wind (50) sent from the cooling fan (7).
8.WO/2020/105254DIAGNOSTIC IMAGE SYSTEM AND DIAGNOSTIC IMAGE DISPLAY METHOD
WO 28.05.2020
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/JP2019/036106 Applicant SHIMADZU CORPORATION Inventor KAJIKI, Shunsuke
This diagnostic image system (1) is provided with: a radiographic imaging device (2) for capturing a radiographic image (G) of a subject from which a collection position (C) at which a specimen sample is collected from an organ (AG) can be determined; a specimen analysis device (3) which generates an analysis result (RA); a display unit (42); and a control unit (41) which acquires a radiographic image captured during an operation, the analysis result, and detailed information (DRA) of the analysis result, and performs control to display, on the display unit, a first display region (F1) in which the acquired radiographic image and analysis result are displayed and a second display region (F2) in which the detailed information of the analysis result is displayed.
9.WO/2020/106404TIMER CIRCUIT FOR X-RAY IMAGING SYSTEM
WO 28.05.2020
Int.Class A61B 6/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
10Application or adaptation of safety means
Appl.No PCT/US2019/057756 Applicant DEDICATED2IMAGING, LLC. Inventor BAILEY, Eric
A timer circuit for an X-ray imaging system having an X-ray generator used to generate images of a patient. The circuit includes a current sensor connected between a main power system and a circuit interrupter, wherein the circuit interrupter is also connected to the X-ray generator. The circuit also includes a timing device coupled between the current sensor and a control computer. The timing device is triggered when a current level detected by the current sensor exceeds an idle current level wherein X-rays are not generated by the X-ray generator. The timing device then measures a time period that the idle current level is exceeded. When the measured time period exceeds a predetermined time period by 10%, the circuit interrupter is activated to turn off current flow to the X-ray generator.
10.WO/2020/106424COLLIMATOR CONTROL
WO 28.05.2020
Int.Class A61B 6/06
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
06Diaphragms
Appl.No PCT/US2019/058994 Applicant CARESTREAM HEALTH, INC. Inventor SPAETH, Michael, R.
An adjustable collimator includes a pair of knobs configured to adjust an aperture size by manipulating one or both of the knobs. The knobs may be disposed at opposite ends of a first shaft. The knobs may be configured to each adjust a same dimension of the aperture or to each adjust a different dimension of the aperture.