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Analysis

1.WO/2022/166988PET DYNAMIC SCANNING METHOD AND APPARATUS, AND COMPUTER DEVICE
WO 11.08.2022
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/CN2022/075536 Applicant SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD. Inventor LIU, Shitao
Disclosed are a PET dynamic scanning method and apparatus, and a computer device. The method comprises: performing PET scanning on a target area of an object to be scanned, so as to acquire first PET scanning data, wherein the first PET scanning data comprises a single event count received by a PET detector (S101); determining the single event count distribution of the target area according to the first PET scanning data (S102); adjusting the position of a scanning bed according to the single event count distribution (S103); and performing PET scanning on said object according to the adjusted position of the scanning bed (S104). By means of the method, the position of a scanning bed and a change in a tracer in an object to be scanned are dynamically associated, such that more precise scanning data can be acquired.
2.20220249034GANTRY FRAME FOR A COMPUTED TOMOGRAPHY SYSTEM
US 11.08.2022
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 17589978 Applicant Siemens Healthcare GmbH Inventor Ulrich KUEHN

A gantry frame for a computed tomography system is described. The gantry frame comprises a cylindrical drum frame with a cylinder barrel which has a profiled barrel structure. A gantry is also described. Additionally, a computed tomography system is described. A method for manufacturing a gantry frame for a computed tomography system is also described.

3.20220249045X-Ray Image Feedback For DXA Scan FOV Adjustment
US 11.08.2022
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 17172236 Applicant GE Precision Healthcare LLC Inventor Laurence Vancamberg

A system for performing a scan of internal structures of an object/patient is provided. The system includes a radiation source operative to emit a radiation beam, a radiation detector operative to receive the radiation beam and generate an output signal based at least in part on the received radiation beam, and a controller in electronic communication with the radiation source and the radiation detector and operative to generate at least one image of the object/patient. The controller is further operative to determine an offset of the at least one image relative to an image reference and to employ the offset to automatically align the at least one image with the image reference without the need for stopping the operation of the radiation source and detector to reposition the object/patient being scanned.

4.20220249049RADIATION IMAGE PROCESSING DEVICE, RADIATION IMAGE PROCESSING METHOD, AND RADIATION IMAGE PROCESSING PROGRAM
US 11.08.2022
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 17731457 Applicant FUJIFILM Corporation Inventor Takahiro KAWAMURA

An imaging condition acquisition unit acquires an imaging condition in a case in which a subject is imaged in a state in which an object is interposed between the subject and a radiation detector. A body thickness derivation unit derives a body thickness distribution of the subject based on the radiation image and the imaging condition. A characteristic acquisition unit acquires a radiation characteristic of the object in accordance with the body thickness distribution. A ray distribution unit derives a primary ray distribution and a scattered ray distribution of the radiation detected by the radiation detector by using the imaging condition, the body thickness distribution, and the radiation characteristic. A calculation unit updates the body thickness distribution such that an error between a sum of the primary ray distribution and the scattered ray distribution and a pixel value at each position of the radiation image is smaller than a predetermined threshold value, and repeats the derivation of the radiation characteristic based on the updated body thickness distribution and the derivation of the primary ray distribution and the scattered ray distribution.

5.20220249047TECHNOLOGY FOR CONTRAST-ENHANCED MAMMOGRAPHY
US 11.08.2022
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 17610947 Applicant Robert G. Zamenhof Inventor Robert G. Zamenhof

Disclosed are systems and methods for X-ray imaging of a patient's breast using optimized iodine contrast-enhanced energy-subtraction mammography (CEESM). The disclosed technology employs an X-ray tube design that uses as the X-ray target materials foils of tellurium and cerium to optimize the radiographic contrast of an iodinated contrast agent. Radiographic contrast produced by the CEESM technique is shown to be approximately 5 times higher than produced by currently existing comparable clinical techniques.

6.20220249036RADIATION SHIELDING DEVICES, SYSTEMS, AND METHODS
US 11.08.2022
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 17730846 Applicant Radux Devices, LLC Inventor Andrew Ubel

In general, radiation shielding systems that shield radiation from multiple directions are described. In one embodiment, method of shielding radiation is provided, including orienting the rigid radiation shield in a selected position relative to a patient, and attaching a flexible radiation shield to the rigid radiation shield such that the flexible rigid radiation shield includes a first generally vertical portion that covers a gap between the rigid radiation shield and the patient.

7.20220249050SYSTEMS AND METHODS FOR LIMITED VIEW IMAGING
US 11.08.2022
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 17660627 Applicant SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD. Inventor Jonathan MALTZ

A system for limited view imaging is provided. The system may obtain a reference image of an object. The system may identify, from the reference image, one or more critical boundaries between a target organ of the object and one or more adjacent organs of the target organ. The system may determine an imaging angle range of the object based on the one or more critical boundaries. The system may further cause an imaging device to scan the object based on the imaging angle range, the object being in a breath-hold state during the scan.

8.20220249041RADIATION IMAGING APPARATUS
US 11.08.2022
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 17592718 Applicant CANON KABUSHIKI KAISHA Inventor MASATAKA SUZUKI

A mechanism that enhances rigidity of a casing of a radiation imaging apparatus while effectively using limited space inside the casing is provided. The rectangular casing that contains a radiation detecting panel, the radiation detecting panel detecting incident radiation, includes a front cover including an incident surface on which the radiation is incident, and a rear cover disposed in a manner to be opposite to the front cover. The rear cover includes one or more recess portions and a rib, at least one end of the rib being connected to a recess portion of the one or more recess portions, at a bottom surface opposite to the incident surface.

9.20220252741RADIOGRAPHIC DETECTOR
US 11.08.2022
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 17627705 Applicant CARESTREAM HEALTH, INC. Inventor Todd D. BOGUMIL

A digital radiographic detector includes a planar multilayer core having a two-dimensional array of photo-sensitive cells. An enclosure having only one open side and upper and lower halves is joined together using a three—sided bumper configured to provide impact absorption for sides of the enclosure. An end cap covers the only one open side of the enclosure.

10.102021201160Gantryrahmen für ein Computertomographiesystem
DE 11.08.2022
Int.Class H05G 1/02
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
GX-RAY TECHNIQUE
1X-ray apparatus involving X-ray tubes; Circuits therefor
02Constructional details
Appl.No 102021201160 Applicant Siemens Healthcare GmbH Inventor Hupfauf Matthias

Es wird ein Gantryrahmen (3a) für ein Computertomographiesystem (1) beschrieben. Der Gantryrahmen (3a) umfasst einen zylinderförmigen Trommelrahmen (44) mit einem Zylindermantel (45, 48), welcher eine profilierte Mantelstruktur aufweist. Es wird auch eine Gantry (2a) beschrieben. Daneben wird ein Computertomographiesystem (1) beschrieben. Außerdem wird ein Verfahren zum Herstellen eines Gantryrahmens (3a) für ein Computertomographiesystem (1) beschrieben. embedded image