DE69433517D1 - Abtastvorrichtung für Computertomographie - Google Patents

Abtastvorrichtung für Computertomographie

Info

Publication number
DE69433517D1
DE69433517D1 DE69433517T DE69433517T DE69433517D1 DE 69433517 D1 DE69433517 D1 DE 69433517D1 DE 69433517 T DE69433517 T DE 69433517T DE 69433517 T DE69433517 T DE 69433517T DE 69433517 D1 DE69433517 D1 DE 69433517D1
Authority
DE
Germany
Prior art keywords
computer tomography
tomography scanner
scanner
computer
tomography
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
DE69433517T
Other languages
English (en)
Other versions
DE69433517T2 (de
Inventor
Dominic J Heuscher
Walter W Lindstrom
Heang K Tuy
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69433517D1 publication Critical patent/DE69433517D1/de
Publication of DE69433517T2 publication Critical patent/DE69433517T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B6/02—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
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In 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)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/17—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method
    • G06F17/175—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method of multidimensional data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Epidemiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Primary Health Care (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69433517T 1994-01-10 1994-12-07 Abtastvorrichtung für Computertomographie Expired - Fee Related DE69433517T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US179608 1988-04-11
US08/179,608 US5485493A (en) 1988-10-20 1994-01-10 Multiple detector ring spiral scanner with relatively adjustable helical paths

Publications (2)

Publication Number Publication Date
DE69433517D1 true DE69433517D1 (de) 2004-03-04
DE69433517T2 DE69433517T2 (de) 2004-11-11

Family

ID=22657269

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69433517T Expired - Fee Related DE69433517T2 (de) 1994-01-10 1994-12-07 Abtastvorrichtung für Computertomographie

Country Status (4)

Country Link
US (1) US5485493A (de)
EP (1) EP0662305B1 (de)
JP (1) JPH07204195A (de)
DE (1) DE69433517T2 (de)

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US5966422A (en) * 1992-07-20 1999-10-12 Picker Medical Systems, Ltd. Multiple source CT scanner
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US6337992B1 (en) * 1997-01-29 2002-01-08 Philips Medical Systems Technologies Ltd. Predictive bolus tracking
US5841830A (en) 1997-02-19 1998-11-24 Picker International, Inc. 3D CT fluoroscopy
EP1006878B1 (de) 1997-02-20 2007-04-04 Picker Medical Systems, Ltd. Dynamische echtzeit-bildrekonstruktion
JP2001512346A (ja) 1997-02-20 2001-08-21 ピッカー メディカル システムズ リミテッド 走査軸変位型らせんスキャナ
WO1998040013A1 (fr) 1997-03-12 1998-09-17 Hitachi Medical Corporation Tomographe assiste par ordinateur, dote d'un collimateur qui restreint la portee d'irradiation d'un faisceau de rayons x en eventail
US5802134A (en) * 1997-04-09 1998-09-01 Analogic Corporation Nutating slice CT image reconstruction apparatus and method
JP3313611B2 (ja) * 1997-05-06 2002-08-12 ジーイー横河メディカルシステム株式会社 放射線断層撮影方法および装置
EP0904733B1 (de) 1997-09-27 2007-09-19 BrainLAB AG Verfahren und Gerät zur Aufnahme eines drei-dimensionalen Bildes eines Körperteils
DE19832276C2 (de) * 1998-07-17 2002-10-24 Siemens Ag Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten
DE19832275B4 (de) * 1998-07-17 2006-09-14 Siemens Ag Verfahren zur Rekonstruktion von Bildern aus mittels eines CT-Gerätes durch Spiralabtastung des Untersuchungsobjekts gewonnenen Meßwerten und CT-Gerät zur Durchführung des Verfahrens
DE19835296A1 (de) * 1998-08-05 2000-02-10 Philips Corp Intellectual Pty Computertomograph mit kegelförmigen Strahlenbündel und helixförmiger Abtastbahn
US6141398A (en) * 1998-08-25 2000-10-31 General Electric Company Protocol driven image reconstruction, display, and processing in a multislice imaging system
US6154516A (en) 1998-09-04 2000-11-28 Picker International, Inc. Cardiac CT system
US6097784A (en) * 1998-09-30 2000-08-01 Picker International, Inc. 3D image reconstruction for helical partial cone beam data
US6104775A (en) * 1998-10-29 2000-08-15 Picker International, Inc. 3D image reconstruction for helical partial cone beam scanners using wedge beam transform
US6256364B1 (en) 1998-11-24 2001-07-03 General Electric Company Methods and apparatus for correcting for x-ray beam movement
US6125167A (en) * 1998-11-25 2000-09-26 Picker International, Inc. Rotating anode x-ray tube with multiple simultaneously emitting focal spots
US6229870B1 (en) 1998-11-25 2001-05-08 Picker International, Inc. Multiple fan beam computed tomography system
JP4732592B2 (ja) * 1999-04-15 2011-07-27 ゼネラル・エレクトリック・カンパニイ 最適化ｃｔプロトコル
US6310938B1 (en) 1999-08-27 2001-10-30 General Electric Company Methods and apparatus for calibrating CT x-ray beam tracking loop
US6385279B1 (en) 1999-08-27 2002-05-07 General Electric Company Methods and apparatus for positioning a CT imaging x-ray beam
US7046758B1 (en) * 1999-11-10 2006-05-16 Hitachi Medical Corporation X-ray CT apparatus
US6385278B1 (en) * 2000-04-28 2002-05-07 Ge Medical Systems Global Technology Company, Llc Method and apparatus for region of interest multislice CT scan
CN100337593C (zh) * 2000-09-28 2007-09-19 菲利浦医疗系统技术有限公司 用于时间相干的大覆盖范围的计算机断层扫描器
DE60138118D1 (de) * 2000-09-29 2009-05-07 Ge Med Sys Global Tech Co Llc Spiralabtastrekonstruktion des herzens für tomograph mit zweidimensionaler detektoranordung
FR2819141B1 (fr) * 2000-12-29 2008-10-24 Chabunda Christophe Mwanza Dispositif source produisant un double faisceau simultane des rayons x isospectraux
US6990170B2 (en) * 2001-08-09 2006-01-24 Kabushiki Kaisha Toshiba X-ray computed tomographic imaging apparatus
US7085343B2 (en) * 2001-10-18 2006-08-01 Kabushiki Kaisha Toshiba X-ray computed tomography apparatus
US7050529B2 (en) * 2002-07-23 2006-05-23 Ge Medical Systems Global Technolgy Company, Llc Methods and apparatus for performing a computed tomography scan
US7813473B2 (en) * 2002-07-23 2010-10-12 General Electric Company Method and apparatus for generating temporally interpolated projections
US6904118B2 (en) * 2002-07-23 2005-06-07 General Electric Company Method and apparatus for generating a density map using dual-energy CT
US6775346B2 (en) * 2002-10-21 2004-08-10 Koninklijke Philips Electronics N.V. Conebeam computed tomography imaging
ATE465471T1 (de) * 2003-02-14 2010-05-15 Koninkl Philips Electronics Nv System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion
CN100468458C (zh) * 2003-07-16 2009-03-11 皇家飞利浦电子股份有限公司 从体积数据重建运动物体图像
US7003077B2 (en) * 2003-10-03 2006-02-21 General Electric Company Method and apparatus for x-ray anode with increased coverage
US7639774B2 (en) * 2003-12-23 2009-12-29 General Electric Company Method and apparatus for employing multiple axial-sources
US7333587B2 (en) * 2004-02-27 2008-02-19 General Electric Company Method and system for imaging using multiple offset X-ray emission points
US7366279B2 (en) * 2004-07-29 2008-04-29 General Electric Company Scatter control system and method for computed tomography
DE102006000789A1 (de) * 2006-01-04 2007-07-12 Siemens Ag Verfahren zur Bilddarstellung in einem medizinischen Diagnosegerät und Diagnosegerät hierfür
US7706499B2 (en) * 2006-08-30 2010-04-27 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7616731B2 (en) * 2006-08-30 2009-11-10 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7835486B2 (en) * 2006-08-30 2010-11-16 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US20080056432A1 (en) * 2006-08-30 2008-03-06 General Electric Company Reconstruction of CT projection data
US9384567B2 (en) 2011-10-03 2016-07-05 Fei Company Computed tomography imaging process and system

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Also Published As

Publication number Publication date
US5485493A (en) 1996-01-16
DE69433517T2 (de) 2004-11-11
EP0662305A1 (de) 1995-07-12
JPH07204195A (ja) 1995-08-08
EP0662305B1 (de) 2004-01-28

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee