CA2875649C - Optimization of the source firing pattern for x-ray scanning systems - Google Patents

Optimization of the source firing pattern for x-ray scanning systems Download PDF

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Publication number
CA2875649C
CA2875649C CA2875649A CA2875649A CA2875649C CA 2875649 C CA2875649 C CA 2875649C CA 2875649 A CA2875649 A CA 2875649A CA 2875649 A CA2875649 A CA 2875649A CA 2875649 C CA2875649 C CA 2875649C
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CA
Canada
Prior art keywords
ray
imaging apparatus
sources
length
rays
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2875649A
Other languages
English (en)
French (fr)
Other versions
CA2875649A1 (en
Inventor
William Michael Thompson
William Robert Breckon Lionheart
Edward James Morton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rapiscan Systems Inc
Original Assignee
Rapiscan Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rapiscan Systems Inc filed Critical Rapiscan Systems Inc
Publication of CA2875649A1 publication Critical patent/CA2875649A1/en
Application granted granted Critical
Publication of CA2875649C publication Critical patent/CA2875649C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computerised tomographs
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44Constructional features of apparatus for radiation diagnosis
    • A61B6/4429Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914Measurement of spatial distribution of radiation
    • G01T1/2985In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
CA2875649A 2012-06-05 2012-06-05 Optimization of the source firing pattern for x-ray scanning systems Expired - Fee Related CA2875649C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/040923 WO2013184103A1 (en) 2012-06-05 2012-06-05 Optimization of the source firing pattern for x-ray scanning systems

Publications (2)

Publication Number Publication Date
CA2875649A1 CA2875649A1 (en) 2013-12-12
CA2875649C true CA2875649C (en) 2020-02-18

Family

ID=49712367

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2875649A Expired - Fee Related CA2875649C (en) 2012-06-05 2012-06-05 Optimization of the source firing pattern for x-ray scanning systems

Country Status (11)

Country Link
EP (1) EP2854644A4 (pt)
JP (1) JP6122489B2 (pt)
KR (1) KR101939434B1 (pt)
CN (1) CN104486997B (pt)
AU (1) AU2012382065B2 (pt)
BR (1) BR112014030492A8 (pt)
CA (1) CA2875649C (pt)
GB (1) GB2536863B8 (pt)
IN (1) IN2014DN10327A (pt)
MX (1) MX364117B (pt)
WO (1) WO2013184103A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US9490099B2 (en) 2014-08-20 2016-11-08 Wisconsin Alumni Research Foundation System and method for multi-source X-ray-based imaging
US10514343B2 (en) 2015-02-27 2019-12-24 Carl Zeiss X-ray Microscopy, Inc. X-ray CT microscopy system and method utilizing lattice sampling
EP3886703B1 (en) * 2018-11-30 2023-12-20 Accuray, Inc. Method and apparatus for improving scatter estimation and correction in imaging

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626545B2 (ja) * 1986-10-27 1994-04-13 横河メディカルシステム株式会社 Ctスキャナ
JP4532005B2 (ja) * 2001-03-09 2010-08-25 株式会社日立メディコ X線ct装置及びその画像表示方法
GB0309387D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-Ray scanning
GB0309379D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-ray scanning
GB0525593D0 (en) * 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US20050276377A1 (en) * 2004-06-10 2005-12-15 Carol Mark P Kilovoltage delivery system for radiation therapy
EP1677253A1 (en) * 2004-12-30 2006-07-05 GSF-Forschungszentrum für Umwelt und Gesundheit GmbH Method and device of reconstructing an (n+1)-dimensional image function from radon data
WO2006116316A2 (en) * 2005-04-22 2006-11-02 University Of Chicago Open source trajectory method and apparatus for interior imaging
US7728397B2 (en) * 2006-05-05 2010-06-01 Virgin Islands Microsystems, Inc. Coupled nano-resonating energy emitting structures
US7616731B2 (en) * 2006-08-30 2009-11-10 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
CN101512379B (zh) * 2006-08-30 2013-06-05 通用电气公司 使用静止计算机x射线断层造影几何结构的投影数据的采集和再现
US7428292B2 (en) * 2006-11-24 2008-09-23 General Electric Company Method and system for CT imaging using multi-spot emission sources
CN103948395A (zh) * 2007-07-19 2014-07-30 北卡罗来纳大学查珀尔希尔分校 固定 x 射线数字化断层合成或断层摄影***和相关方法
US8705822B2 (en) * 2008-09-03 2014-04-22 Mayo Foundation For Medical Education And Research Method for creating images indicating material decomposition in dual energy, dual source helical computed tomography
US8509380B2 (en) * 2010-03-19 2013-08-13 The Board Of Trustees Of The Leland Stanford Junior University Inverse geometry volume computed tomography systems

Also Published As

Publication number Publication date
KR20150023617A (ko) 2015-03-05
GB2536863B (en) 2018-12-19
GB2536863A (en) 2016-10-05
MX2014014767A (es) 2015-04-13
JP6122489B2 (ja) 2017-04-26
MX364117B (es) 2019-04-12
IN2014DN10327A (pt) 2015-08-07
BR112014030492A2 (pt) 2017-06-27
AU2012382065A1 (en) 2015-01-15
CN104486997A (zh) 2015-04-01
BR112014030492A8 (pt) 2021-05-25
CA2875649A1 (en) 2013-12-12
KR101939434B1 (ko) 2019-04-10
EP2854644A1 (en) 2015-04-08
GB2536863B8 (en) 2019-04-10
WO2013184103A1 (en) 2013-12-12
JP2015518972A (ja) 2015-07-06
AU2012382065B2 (en) 2016-07-07
EP2854644A4 (en) 2016-03-16
CN104486997B (zh) 2017-07-25

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Effective date: 20150804

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