DE60041850D1 - Verfahren und Vorrichtung zur Ausrichtung des Röntgenstrahls eines bildgebenden Computertomographens - Google Patents

Verfahren und Vorrichtung zur Ausrichtung des Röntgenstrahls eines bildgebenden Computertomographens

Info

Publication number
DE60041850D1
DE60041850D1 DE60041850T DE60041850T DE60041850D1 DE 60041850 D1 DE60041850 D1 DE 60041850D1 DE 60041850 T DE60041850 T DE 60041850T DE 60041850 T DE60041850 T DE 60041850T DE 60041850 D1 DE60041850 D1 DE 60041850D1
Authority
DE
Germany
Prior art keywords
aligning
computed tomography
ray beam
imaging computed
imaging
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 - Lifetime
Application number
DE60041850T
Other languages
English (en)
Inventor
Thomas Louis Toth
Steven John Wolosckek
Jerome David Rabe
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE60041850D1 publication Critical patent/DE60041850D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
DE60041850T 1999-08-27 2000-08-21 Verfahren und Vorrichtung zur Ausrichtung des Röntgenstrahls eines bildgebenden Computertomographens Expired - Lifetime DE60041850D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/384,169 US6385279B1 (en) 1999-08-27 1999-08-27 Methods and apparatus for positioning a CT imaging x-ray beam

Publications (1)

Publication Number Publication Date
DE60041850D1 true DE60041850D1 (de) 2009-05-07

Family

ID=23516309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60041850T Expired - Lifetime DE60041850D1 (de) 1999-08-27 2000-08-21 Verfahren und Vorrichtung zur Ausrichtung des Röntgenstrahls eines bildgebenden Computertomographens

Country Status (5)

Country Link
US (2) US6385279B1 (de)
EP (1) EP1078599B1 (de)
JP (1) JP4554045B2 (de)
DE (1) DE60041850D1 (de)
IL (1) IL137863A (de)

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US6680995B2 (en) 2001-10-31 2004-01-20 Ge Medical Systems Global Technology Co., Llc Method and apparatus of determining and displaying a helical artifact index
US6597756B1 (en) 2002-06-19 2003-07-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
EP1551302B1 (de) * 2002-07-25 2012-02-08 Gendex Corporation Digitales echtzeit-röntgengerät und verfahren
US6873676B2 (en) * 2003-03-05 2005-03-29 Ge Medical Systems Global Technology Company, Llc Convolution reconstruction algorithm for multi-slice CT
US6866419B2 (en) * 2003-03-12 2005-03-15 Ge Medical Systems Global Technology Company Llc Methods and apparatus for motion correction in imaging systems
US7366280B2 (en) * 2003-06-19 2008-04-29 General Electric Company Integrated arc anode x-ray source for a computed tomography system
JP4062232B2 (ja) * 2003-10-20 2008-03-19 株式会社日立製作所 Ｘ線ｃｔ装置及びｘ線ｃｔ装置による撮像方法
US6980623B2 (en) * 2003-10-29 2005-12-27 Ge Medical Systems Global Technology Company Llc Method and apparatus for z-axis tracking and collimation
US7020243B2 (en) * 2003-12-05 2006-03-28 Ge Medical Systems Global Technology Company Llc Method and system for target angle heel effect compensation
US7187748B2 (en) * 2003-12-30 2007-03-06 Ge Medical Systems Global Technology Company, Llc Multidetector CT imaging method and apparatus with reducing radiation scattering
US7113570B2 (en) * 2005-02-08 2006-09-26 General Electric Company Methods and systems for helical overscan reduction
US7101078B1 (en) * 2005-02-11 2006-09-05 General Electric Company Methods and systems for imaging system radiation source alignment
DE102005018811B4 (de) * 2005-04-22 2008-02-21 Siemens Ag Blendenvorrichtung für eine zur Abtastung eines Objektes vorgesehene Röntgeneinrichtung und Verfahren für eine Blendenvorrichtung
DE102005020124B4 (de) * 2005-04-29 2011-07-14 Siemens AG, 80333 Röntgensystem, enthaltend einen zugeordneten, mobilen Festkörperdetektor und Verfahren zur Aufnahme und Anzeige eines Röntgenbildes
US7257187B2 (en) * 2005-05-06 2007-08-14 General Electric Company Methods and apparatus for calibrating CT x-ray beam tracking loop
US8331529B2 (en) 2007-04-25 2012-12-11 Koninklijke Philips Electronics N.V. X-ray beam z-axis positioning
CN101900823B (zh) * 2009-05-31 2012-10-03 上海西门子医疗器械有限公司 一种x射线偏移的校正方法和装置
DE102011075527A1 (de) * 2011-05-09 2012-11-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Durchstrahlungssystem und Kalibrierung desselben
US8571176B2 (en) 2011-06-17 2013-10-29 General Electric Company Methods and apparatus for collimation of detectors
US8699659B2 (en) 2011-06-23 2014-04-15 General Electric Company Systems and methods for focal spot motion correction
US8976934B2 (en) * 2012-06-19 2015-03-10 General Electric Company Radiation apertures for X-ray collimators
CN104574460B (zh) * 2014-12-31 2017-06-27 沈阳东软医疗系统有限公司 一种ct图像重建方法和装置
US20180241452A1 (en) * 2017-02-23 2018-08-23 Qualcomm Incorporated Beam sweeping for control and data transmissions
EP3413691A1 (de) * 2017-06-08 2018-12-12 Koninklijke Philips N.V. Vorrichtung zur erzeugung von röntgenstrahlen
US10779791B2 (en) * 2018-03-16 2020-09-22 General Electric Company System and method for mobile X-ray imaging
CN109431534B (zh) * 2018-11-30 2022-12-06 深圳安科高技术股份有限公司 一种射线准直器的自校准方法及其系统
US10898159B2 (en) * 2019-01-11 2021-01-26 General Electric Company X-ray imaging system use and calibration

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JPS5894833A (ja) * 1981-12-01 1983-06-06 株式会社東芝 Ｘ線ｃｔ装置
US5485493A (en) 1988-10-20 1996-01-16 Picker International, Inc. Multiple detector ring spiral scanner with relatively adjustable helical paths
US4991189A (en) 1990-04-16 1991-02-05 General Electric Company Collimation apparatus for x-ray beam correction
DE4207006C2 (de) 1992-03-05 1994-07-14 Siemens Ag Computertomograph
US5347216A (en) * 1992-06-23 1994-09-13 General Electric Company Fast NMR image acquisition with spectrally selective inversion pulse
US5469429A (en) 1993-05-21 1995-11-21 Kabushiki Kaisha Toshiba X-ray CT apparatus having focal spot position detection means for the X-ray tube and focal spot position adjusting means
US5550886A (en) 1994-11-22 1996-08-27 Analogic Corporation X-Ray focal spot movement compensation system
JP2774790B2 (ja) * 1995-02-16 1998-07-09 株式会社東芝 Ｘ線ｃｔスキャナ
WO1997019637A1 (en) 1995-11-28 1997-06-05 Analogic Corporation Precalibrating x-ray tube focal spot
US5579359A (en) * 1995-12-21 1996-11-26 General Electric Company Methods and apparatus for calibrating detector cell output signals
US6370218B1 (en) * 1995-12-21 2002-04-09 General Electric Company Methods and systems for determining x-ray beam position in multi-slice computed tomography scanners
US5706326A (en) * 1995-12-22 1998-01-06 General Electric Company Systems and methods of determining focal spot x-axis position from projection data
JP3742690B2 (ja) * 1996-08-30 2006-02-08 株式会社東芝 Ｘ線ｃｔスキャナ
US5761257A (en) 1996-12-02 1998-06-02 General Electric Company Normalizing projection data in a computed tomography system
JPH119584A (ja) 1997-06-25 1999-01-19 Ge Yokogawa Medical Syst Ltd Ｘ線ビームトラッキング方法、ｘ線ビーム位置測定方法およびｘ線ｃｔ装置
JPH1133019A (ja) * 1997-07-18 1999-02-09 Ge Yokogawa Medical Syst Ltd 放射線照射・検出装置および放射線断層撮影装置
JPH1189825A (ja) * 1997-09-25 1999-04-06 Ge Yokogawa Medical Systems Ltd 放射線照射・検出装置および放射線断層撮影装置
US6056437A (en) * 1998-08-25 2000-05-02 General Electric Company Methods and apparatus for imaging system detector alignment

Also Published As

Publication number Publication date
JP2001095792A (ja) 2001-04-10
US6385279B1 (en) 2002-05-07
JP4554045B2 (ja) 2010-09-29
EP1078599A1 (de) 2001-02-28
EP1078599B1 (de) 2009-03-25
US20010031033A1 (en) 2001-10-18
IL137863A0 (en) 2001-10-31
US6359958B2 (en) 2002-03-19
IL137863A (en) 2005-12-18

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