CN100579452C - 减少射线散射的多检测器ct成像方法和装置 - Google Patents

减少射线散射的多检测器ct成像方法和装置 Download PDF

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Publication number
CN100579452C
CN100579452C CN200410095405A CN200410095405A CN100579452C CN 100579452 C CN100579452 C CN 100579452C CN 200410095405 A CN200410095405 A CN 200410095405A CN 200410095405 A CN200410095405 A CN 200410095405A CN 100579452 C CN100579452 C CN 100579452C
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China
Prior art keywords
detector
detector array
radiographic source
focus
detector arrays
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Expired - Fee Related
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CN200410095405A
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Chinese (zh)
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CN1636514A (zh
Inventor
D·M·霍夫曼
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Publication of CN1636514A publication Critical patent/CN1636514A/zh
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Arrangements 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 or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN200410095405A 2003-12-30 2004-12-30 减少射线散射的多检测器ct成像方法和装置 Expired - Fee Related CN100579452C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/748,612 US7187748B2 (en) 2003-12-30 2003-12-30 Multidetector CT imaging method and apparatus with reducing radiation scattering
US10/748612 2003-12-30

Publications (2)

Publication Number Publication Date
CN1636514A CN1636514A (zh) 2005-07-13
CN100579452C true CN100579452C (zh) 2010-01-13

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Family Applications (1)

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CN200410095405A Expired - Fee Related CN100579452C (zh) 2003-12-30 2004-12-30 减少射线散射的多检测器ct成像方法和装置

Country Status (5)

Country Link
US (1) US7187748B2 (enExample)
JP (1) JP4831458B2 (enExample)
CN (1) CN100579452C (enExample)
DE (1) DE102004063711A1 (enExample)
IL (1) IL165847A0 (enExample)

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EP1926431B1 (en) 2005-09-13 2014-07-02 Philips Intellectual Property & Standards GmbH Direct measuring and correction of scatter for ct
US7782999B2 (en) * 2005-12-08 2010-08-24 Koninklijke Philips Electronics N.V. Systems and methods for scanning and data acquisition in computed tomography (CT) applications
US20070268995A1 (en) * 2006-05-04 2007-11-22 Stayman Joseph W Ct scanner with helical path source
US8483353B2 (en) * 2006-09-19 2013-07-09 General Electric Company Integrated X-ray detector assembly and method of making same
US7746974B2 (en) * 2006-09-29 2010-06-29 Siemens Medical Solutions Usa, Inc. Radiographic and fluoroscopic CT imaging
US7593502B2 (en) * 2006-10-13 2009-09-22 General Electric Company Methods and apparatus for fast rotation speed scanners
JP5388472B2 (ja) * 2008-04-14 2014-01-15 キヤノン株式会社 制御装置、ｘ線撮影システム、制御方法、及び当該制御方法をコンピュータに実行させるためのプログラム。
DE102008046722B4 (de) * 2008-09-11 2013-02-21 Siemens Aktiengesellschaft Röntgenanlage sowie Verfahren zum Betrieb einer solchen Röntgenanlage
EP2434954B1 (en) * 2009-05-28 2016-06-08 Koninklijke Philips N.V. Multi-detector array imaging system
JP5577114B2 (ja) * 2010-03-01 2014-08-20 富士フイルム株式会社 放射線画像取得装置、放射線画像撮影システム及び放射線画像撮影方法
US8855385B2 (en) * 2012-07-06 2014-10-07 General Electric Company Apparatus and method for multi-energy tissue quantification
US10251613B2 (en) 2013-03-01 2019-04-09 Siemens Healthcare Gmbh X-ray CT scanning and dual-source CT system
DE102013203541A1 (de) 2013-03-01 2014-09-04 Siemens Aktiengesellschaft Röntgen-CT-Abtastung und Dual-Source-CT-System
CN105592797B (zh) * 2013-10-07 2019-01-29 三星电子株式会社 X射线装置以及x射线检测器
DE102016013533A1 (de) * 2016-11-12 2018-05-17 H&P Advanced Technology GmbH Computertomograph
US10335096B2 (en) * 2017-03-01 2019-07-02 General Electric Company System and method for auxiliary anatomy scanning utilizing a computed tomography (CT) system
US10502697B2 (en) * 2017-09-11 2019-12-10 The Boeing Company High speed pipe inspection system
CN107669289B (zh) * 2017-11-07 2020-09-11 上海联影医疗科技有限公司 焦点拖尾校正装置、方法、成像方法及计算机可读媒质
US11039801B2 (en) * 2019-07-02 2021-06-22 GE Precision Healthcare LLC Systems and methods for high-resolution spectral computed tomography imaging
CN110384514A (zh) * 2019-08-13 2019-10-29 明峰医疗系统股份有限公司 一种大覆盖范围高速螺旋扫描ct机

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Also Published As

Publication number Publication date
DE102004063711A1 (de) 2005-07-28
US7187748B2 (en) 2007-03-06
JP2005193035A (ja) 2005-07-21
JP4831458B2 (ja) 2011-12-07
US20050147201A1 (en) 2005-07-07
IL165847A0 (en) 2006-01-15
CN1636514A (zh) 2005-07-13

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