CN102469975B - X 射线检查装置和方法 - Google Patents

X 射线检查装置和方法 Download PDF

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Publication number
CN102469975B
CN102469975B CN201080033602.7A CN201080033602A CN102469975B CN 102469975 B CN102469975 B CN 102469975B CN 201080033602 A CN201080033602 A CN 201080033602A CN 102469975 B CN102469975 B CN 102469975B
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ray
detector
detection
saturation
detection period
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Chinese (zh)
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CN102469975A (zh
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R·普罗克绍
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • A61B6/42—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
    • A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
    • 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
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/585—Calibration of detector units
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • G01T1/171—Compensation of dead-time counting losses
    • 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
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/508—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for non-human patients

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201080033602.7A 2009-07-29 2010-07-20 X 射线检查装置和方法 Active CN102469975B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09166693.3 2009-07-29
EP09166693 2009-07-29
PCT/IB2010/053304 WO2011013031A1 (en) 2009-07-29 2010-07-20 X-ray examination device and method

Publications (2)

Publication Number Publication Date
CN102469975A CN102469975A (zh) 2012-05-23
CN102469975B true CN102469975B (zh) 2014-07-09

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Family Applications (1)

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CN201080033602.7A Active CN102469975B (zh) 2009-07-29 2010-07-20 X 射线检查装置和方法

Country Status (5)

Country Link
US (1) US8842805B2 (enExample)
EP (1) EP2459069B1 (enExample)
JP (1) JP5497897B2 (enExample)
CN (1) CN102469975B (enExample)
WO (1) WO2011013031A1 (enExample)

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EP2751596B1 (en) 2011-08-30 2017-07-19 Koninklijke Philips N.V. Photon counting detector
JP2015516832A (ja) * 2012-03-27 2015-06-18 コーニンクレッカ フィリップス エヌ ヴェ 光子計数検出器を備える撮像システムによる従来型のイメージング
JP6257948B2 (ja) * 2012-08-07 2018-01-10 東芝メディカルシステムズ株式会社 Ｘ線撮影システム
US9952164B2 (en) * 2012-12-21 2018-04-24 General Electric Company Photon-counting CT-system with reduced detector counting-rate requirements
WO2014206794A1 (en) 2013-06-26 2014-12-31 Koninklijke Philips N.V. Imaging apparatus
EP3169240B1 (en) * 2014-07-15 2020-05-27 Koninklijke Philips N.V. Projection data acquisition apparatus
US9554760B2 (en) * 2015-05-04 2017-01-31 Toshiba Medical Systems Corporation Method and apparatus for reducing the recovery time due to polarization within an imaging device
EP3399341A1 (en) 2017-05-04 2018-11-07 Koninklijke Philips N.V. Dose modulation for a photon scanning apparatus
US11622741B2 (en) * 2021-05-28 2023-04-11 GE Precision Healthcare LLC System and method for imaging a subject
CN114740024B (zh) * 2022-03-16 2025-09-02 上海微现检测设备有限公司 规避x射线探测器校正出错的方法、系统及异物检测设备

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US4465103A (en) * 1982-07-20 1984-08-14 The United States Of America As Represented By The United States Department Of Energy Self-regulating flow control device
US5117445A (en) * 1990-07-02 1992-05-26 Varian Associates, Inc. Electronically enhanced x-ray detector apparatus
CN1127060A (zh) * 1994-03-18 1996-07-17 维斯达技术有限公司 用于x射线图象应用的多能量系统
US5696807A (en) * 1996-09-05 1997-12-09 General Electric Company Methods and apparatus for modulating x-ray tube current
US6399950B1 (en) * 2000-11-27 2002-06-04 Shimadzu Corporation Two-dimensional radiation detector
JP2003209746A (ja) * 2002-01-16 2003-07-25 Shimadzu Corp 放射線撮影装置
CN1768705A (zh) * 2004-09-10 2006-05-10 通用电气公司 动态控制辐射探测器的整形时间的方法和系统
CN1781458A (zh) * 2004-11-24 2006-06-07 通用电气公司 Ct数据校正的方法和系统
US20070206721A1 (en) * 2004-09-13 2007-09-06 Tkaczyk John E Photon counting x-ray detector with overrange logic control
US20070236699A1 (en) * 2006-04-07 2007-10-11 Chien Chou Optical tomography method & device
WO2009073284A1 (en) * 2007-12-07 2009-06-11 General Electric Company Filter with alternating pattern for use in energy sensitive computed tomography
CN101460863A (zh) * 2006-04-05 2009-06-17 加利福尼亚州技术学院 通过声扭曲和散焦的3维成像

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JPH0675051A (ja) * 1992-08-27 1994-03-18 Shimadzu Corp 撮像装置
JP3446327B2 (ja) * 1994-08-31 2003-09-16 株式会社島津製作所 放射線撮像装置
US5550889A (en) 1994-11-28 1996-08-27 General Electric Alignment of an x-ray tube focal spot using a deflection coil
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US8189742B2 (en) 2007-06-21 2012-05-29 Koninklijke Philips Electronics Nv Fast dose modulation using Z-deflection in a rotaring anode or rotaring frame tube
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US7916836B2 (en) * 2007-09-26 2011-03-29 General Electric Company Method and apparatus for flexibly binning energy discriminating data
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US4465103A (en) * 1982-07-20 1984-08-14 The United States Of America As Represented By The United States Department Of Energy Self-regulating flow control device
US5117445A (en) * 1990-07-02 1992-05-26 Varian Associates, Inc. Electronically enhanced x-ray detector apparatus
CN1127060A (zh) * 1994-03-18 1996-07-17 维斯达技术有限公司 用于x射线图象应用的多能量系统
CN1522669A (zh) * 1996-09-05 2004-08-25 ͨ�õ�����˾ 动态调整成像系统中元件的系统
US5696807A (en) * 1996-09-05 1997-12-09 General Electric Company Methods and apparatus for modulating x-ray tube current
US6399950B1 (en) * 2000-11-27 2002-06-04 Shimadzu Corporation Two-dimensional radiation detector
JP2003209746A (ja) * 2002-01-16 2003-07-25 Shimadzu Corp 放射線撮影装置
CN1768705A (zh) * 2004-09-10 2006-05-10 通用电气公司 动态控制辐射探测器的整形时间的方法和系统
US20070206721A1 (en) * 2004-09-13 2007-09-06 Tkaczyk John E Photon counting x-ray detector with overrange logic control
CN1781458A (zh) * 2004-11-24 2006-06-07 通用电气公司 Ct数据校正的方法和系统
CN101460863A (zh) * 2006-04-05 2009-06-17 加利福尼亚州技术学院 通过声扭曲和散焦的3维成像
US20070236699A1 (en) * 2006-04-07 2007-10-11 Chien Chou Optical tomography method & device
WO2009073284A1 (en) * 2007-12-07 2009-06-11 General Electric Company Filter with alternating pattern for use in energy sensitive computed tomography

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Also Published As

Publication number Publication date
WO2011013031A1 (en) 2011-02-03
US8842805B2 (en) 2014-09-23
CN102469975A (zh) 2012-05-23
JP2013500113A (ja) 2013-01-07
EP2459069A1 (en) 2012-06-06
JP5497897B2 (ja) 2014-05-21
US20120121063A1 (en) 2012-05-17
EP2459069B1 (en) 2013-06-19

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