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1. WO2020198018 - METHODS, SYSTEMS, AND COMPUTER-READABLE STORAGE MEDIA FOR ENHANCED PHASE-CONTRAST X-RAY IMAGING

Publication Number WO/2020/198018
Publication Date 01.10.2020
International Application No. PCT/US2020/023884
International Filing Date 20.03.2020
IPC
G01N 23/041 2018.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
23Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/-G01N17/178
02by transmitting the radiation through the material
04and forming images of the material
041Phase-contrast imaging, e.g. using grating interferometers
G01N 23/04 2018.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
23Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/-G01N17/178
02by transmitting the radiation through the material
04and forming images of the material
G01N 23/02 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
23Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/-G01N17/178
02by transmitting the radiation through the material
G01N 23/00 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
23Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/-G01N17/178
CPC
A61B 6/4035
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
40with arrangements for generating radiation specially adapted for radiation diagnosis
4035the source being combined with a filter or grating
A61B 6/405
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
40with arrangements for generating radiation specially adapted for radiation diagnosis
405Source units adapted to modify characteristics of the beam during the data acquisition process
A61B 6/4291
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
42with arrangements for detecting radiation specially adapted for radiation diagnosis
4291the detector being combined with a grid or grating
A61B 6/466
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
46with special arrangements for interfacing with the operator or the patient
461Displaying means of special interest
466adapted to display 3D data
A61B 6/484
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
48Diagnostic techniques
484involving phase contrast X-ray imaging
Applicants
  • BATTELLE MEMORIAL INSTITUTE [US]/[US]
Inventors
  • MILLER, Erin, A.
  • JACOB, Richard, E.
  • DESHMUKH, Nikhil, S.
  • WARNER, Cynthia, L.
  • WITTMAN, Richard, S.
  • CAMPBELL, Luke, W.
Agents
  • MAUGHAN, Derek, H.
Priority Data
16/363,98925.03.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHODS, SYSTEMS, AND COMPUTER-READABLE STORAGE MEDIA FOR ENHANCED PHASE-CONTRAST X-RAY IMAGING
(FR) PROCÉDÉS, SYSTÈMES ET SUPPORTS DE STOCKAGE LISIBLES PAR ORDINATEUR POUR IMAGERIE PAR RAYONS X À CONTRASTE DE PHASE AMÉLIORÉ
Abstract
(EN)
Systems and methods that directly image attenuation-based object grid, use a source grid to improve imaging of the object grid using a high-energy polychromatic source, and use a detector grid having gratings oriented substantially orthogonally to that of the object grid, can address artifacts and beam hardening effects that limit the quality and discriminatory power of high-energy x-ray imaging that includes phase contrast.
(FR)
Des systèmes et des procédés qui utilisent directement une grille d'objet basée sur une atténuation d'image, utilisent une grille de source pour améliorer l'imagerie de la grille d'objet à l'aide d'une source polychromatique à haute énergie, et utilisent une grille de détecteur ayant des réseaux orientés sensiblement orthogonalement à celui de la grille d'objet, peuvent remédier à des artéfacts et des effets de durcissement de faisceau qui limitent la qualité et la puissance discriminatoire d'une imagerie par rayons x à haute énergie qui comprend un contraste de phase.
Also published as
Latest bibliographic data on file with the International Bureau