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Analysis

1.20220304646SYSTEMS AND METHODS FOR PROCESSING OF DENTAL IMAGES
US 29.09.2022
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 17841300 Applicant DENTI.AI TECHNOLOGY INC. Inventor Dmitry TUZOFF

A computer system implements a neural network to process raw dental images to detect and number teeth and to diagnose pathological, non-pathological, and post-treatment conditions. Detected teeth, corresponding numbers, and any corresponding detected conditions are correlated to the dental image and presented in a graphical user interface comprising the image and a standard, symbolic dental chart associating the tooth number, detected conditions, and regions of the image to teeth represented in the symbolic chart.

2.20220304640Image presentation method and system for medical imaging, imaging system, and storage medium
US 29.09.2022
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 17703302 Applicant Siemens Healthcare GmbH Inventor Peng Cheng Jiang

The present disclosure is directed to techniques for medical imaging image presentation. The techniques include obtaining, for a target area including a first target, an image of the target area that is taken without a contrast agent and an image of the target area that is taken with a contrast agent. The techniques also include subtracting the image that is taken with a contrast agent from the image that is taken without a contrast agent to obtain a subtraction image; extracting a contour of a second target from the subtraction image, to obtain a contour image of the second target; and registering, based on a same marker, the contour image of the second target and a currently-acquired (e.g. real-time) image, and then displaying the images in a superimposed manner. The technical solutions in the embodiments of the present disclosure improve the efficiency of treatment based on radiological images.

3.20220309718CONTINUOUS BED MOTION ACQUISITION WITH AXIALLY SHORT PHANTOM FOR PET IMAGING SYSTEM SETUP AND QUALITY CONTROL
US 29.09.2022
Int.Class G06T 11/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
112D image generation
Appl.No 17596829 Applicant Siemens Medical Solutions USA, Inc. Inventor Vladimir Panin

An improved method for time alignment (TA) procedure and crystal efficiency (CE) normalization estimation procedure for a PET scanner system is disclosed. In the TA procedure modeled time-of-flight (TOF) data are compared against the measured TOF data from an axially short cylinder phantom in order to find individual detector's time offsets (TOs). Then the TOs are estimated simultaneously by matching the TOF center of mass between the modeled and measured TOF data. In the CE estimation, TOF reconstruction of CBM data on the axially short cylinder phantom is performed. Alternating between TOF image reconstruction and CE updates eventually lead to the correct estimation of activity and CE component.

4.WO/2022/198729X-RAY TOMOGRAPHY SYSTEM
WO 29.09.2022
Int.Class A61B 6/02
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
Appl.No PCT/CN2021/087423 Applicant SHANGHAI TAOIMAGE MEDICAL TECHNOLOGY CO., LTD. Inventor TSAI, Tsungyuan
An X-ray tomography system, comprising: an X-ray imaging module (1) configured to use an X-ray imaging device to obtain two-dimensional images of multiple angles of a designated inspection site of an object to be imaged; a two-dimensional image receiving module (2) configured to receive the two-dimensional images of multiple angles of the designated inspection site obtained in the X-ray imaging module (1); and a three-dimensional image reconstruction module (3) configured to use an image reconstruction algorithm to reconstruct, into a three-dimensional image, a plurality of two-dimensional images of different angles, and form voxel data in an imaging area. The X-ray tomography system not only effectively utilizes the advantages of the tomosynthesis technique of high photographing efficiency and lower CT dose in three-dimensional imaging, but also breaks through the limitation of the three-dimensional imaging range of tomosynthesis, meets the continuous pulse photography and three-dimensional imaging of a longer area of the human body, and meets the requirements of specific clinical diagnosis scenes such as the full length of the human body, the full length of the spine or the full length of the lower limb.
5.WO/2022/204024PATIENT SHIELD FOR AN X-RAY IMAGING SYSTEM AND METHODS OF THE SAME
WO 29.09.2022
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/US2022/021139 Applicant HOLOGIC, INC. Inventor DEFREITAS, Kenneth, F.
An imaging system (100) includes a gantry (126) and a compression arm assembly (104). The compression arm assembly (104) including a support arm (122) supporting a compression paddle (108), a platform (106), and an x-ray receptor (114). An x-ray tube head (124) includes an x-ray source (120). A patient shield system (138) is disposed between the compression paddle (108) and the x-ray source (120). The patient shield system (138) includes an arm (142), a carrier (144), a shield (140), and at least one leg (416, 450, 475, 502) supporting the shield (140) on the carrier (144). A 0° tube head angle is defined as the x-ray source (120) being orthogonal to the support platform (106), and the at least one leg (416, 450, 475, 502) is positioned on the support arm (122) such that the at least one leg (416, 450, 475, 502) is between a ±8° and ±15° tube head angle.
6.WO/2022/204174MOTION CORRECTION FOR DIGITAL SUBTRACTION ANGIOGRAPHY
WO 29.09.2022
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/US2022/021378 Applicant THE JOHNS HOPKINS UNIVERSITY Inventor SIEWERDSEN, Jeffrey H.
An angiography system includes a table supporting a subject, configured to: receive, from a 2D X-ray imaging system, contrast-enhanced 2D data of a region of the subject's body, a contrast-enhanced 2D data corresponding to a position and orientation of the X-ray imaging system relative to the region; receive, from a threedimensional (3D) X-ray imaging system, 3D data of the region acquired prior to administration of the contrast agent; generate, from the 3D data, a 2D mask of the region with simulated noncontrast-enhanced 2D data that corresponds to the position and orientation of the X-ray imaging system relative to the region; generate a vasculature image of the region by subtracting the contrast-enhanced 2D data from the 2D mask; and provide the vasculature image on the display.
7.20220304644IMAGE PROCESSING DEVICE, RADIOGRAPHY SYSTEM, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM
US 29.09.2022
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 17694695 Applicant FUJIFILM CORPORATION Inventor Wataru FUKUDA

A CPU acquires projection images captured at each irradiation position in a state in which a marker is disposed and set irradiation positions set as the irradiation positions of the projection images, generates a tomographic image from the projection images using the set irradiation positions, derives the coordinates of a three-dimensional position where the marker is disposed from the tomographic image, derives a first two-dimensional position of the marker projected onto the projection plane from the set irradiation positions and the coordinates of the three-dimensional position of the marker, and estimates the irradiation positions on the basis of the first two-dimensional position and a second two-dimensional position of the marker in the projection plane which is specified from a marker image indicating the marker included in each of the projection images.

8.20220304647IMAGE PROCESSING DEVICE, RADIOGRAPHY SYSTEM, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM
US 29.09.2022
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 17694614 Applicant FUJIFILM CORPORATION Inventor Wataru FUKUDA

A CPU of a console acquires a plurality of projection images, performs an optimization process on a forward projection model, which has, as parameters, an absorption coefficient assigned to each voxel of a three-dimensional model that is virtually set in a three-dimensional space in which the object is disposed and has a plurality of voxels as constituent units, an intersection length of each voxel where a path of radiation emitted at an irradiation position intersects the three-dimensional model, and an amount of movement of the object, on the basis of the projection images at each of a plurality of irradiation positions, and generates a tomographic image of the object using the optimized parameters.

9.20220304638SYSTEM AND METHOD FOR MITIGATING TRACE TRIGGERING OF CHANNELS IN X-RAY DETECTOR
US 29.09.2022
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 17839008 Applicant GE Precision Healthcare LLC Inventor Brian David Yanoff

An X-ray detector is provided. The X-ray detector includes multiple detector sub-modules. Each detector sub-module includes a semiconductor layer and multiple detector elements. A plurality of detector elements is disposed on the semiconductor layer. Wiring traces extending from the plurality of detector elements to readout circuitry, where each detector element is coupled to a respective wiring trace. The wiring traces are routed within a gap between adjacent detector elements of the plurality of detector elements. Processing circuitry is configured to perform coincidence detection to determine which detector element of the plurality of detector elements is associated with a location of an X-ray hit when the X-ray coincidently hits one of the detector elements of the plurality of detector elements and one or more of the wiring traces coupled to respective detector elements of the plurality of detector elements.

10.20220304642DYNAMIC ANALYSIS DEVICE AND STORAGE MEDIUM
US 29.09.2022
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 17701967 Applicant Konica Minolta, Inc. Inventor Toi SAWAGUCHI

Provided is a dynamic analysis device that includes a hardware processor and a storage that stores setting information on image associated information and a dynamic analysis including dynamic analyses. The image associated information is linked to the dynamic analysis among predetermined dynamic analyses of multiple types. The hardware processor acquires a dynamic image to be subject to the dynamic analysis and the image associated information of the dynamic image, specifies a type of the dynamic analysis that is applied to the dynamic image based on the acquired image associated information and the setting information stored in the storage, executes the dynamic analysis of the specified type to generate an analysis result, and outputs the generated analysis result.