JP6946180B2 - コンピュータ断層撮影法におけるスペクトル及び強度の格子変調のためのシステム及び方法 - Google Patents

コンピュータ断層撮影法におけるスペクトル及び強度の格子変調のためのシステム及び方法 Download PDF

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JP6946180B2
JP6946180B2 JP2017512922A JP2017512922A JP6946180B2 JP 6946180 B2 JP6946180 B2 JP 6946180B2 JP 2017512922 A JP2017512922 A JP 2017512922A JP 2017512922 A JP2017512922 A JP 2017512922A JP 6946180 B2 JP6946180 B2 JP 6946180B2
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クラウス ユルゲン エンゲル
クラウス ユルゲン エンゲル
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Koninklijke Philips 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
    • A61B6/02—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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
    • 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
    • A61B6/40—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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating 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
    • G01N23/02—Investigating 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
    • G01N23/06—Investigating 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 measuring the absorption
    • G01N23/083—Investigating 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 measuring the absorption the radiation being X-rays
    • G01N23/087—Investigating 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 measuring the absorption the radiation being X-rays using polyenergetic X-rays
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
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  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
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  • Apparatus For Radiation Diagnosis (AREA)
JP2017512922A 2014-09-08 2015-09-01 コンピュータ断層撮影法におけるスペクトル及び強度の格子変調のためのシステム及び方法 Active JP6946180B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462047127P 2014-09-08 2014-09-08
US62/047,127 2014-09-08
PCT/IB2015/056617 WO2016038504A1 (en) 2014-09-08 2015-09-01 Systems and methods for grating modulation of spectra and intensity in computed tomography

Publications (3)

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JP2017526457A JP2017526457A (ja) 2017-09-14
JP2017526457A5 JP2017526457A5 (enExample) 2018-10-11
JP6946180B2 true JP6946180B2 (ja) 2021-10-06

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US (1) US10470722B2 (enExample)
EP (1) EP3193720B1 (enExample)
JP (1) JP6946180B2 (enExample)
CN (1) CN106687042B (enExample)
WO (1) WO2016038504A1 (enExample)

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DE102015226489B4 (de) * 2015-12-22 2024-05-16 Siemens Healthineers Ag Röntgensystem und Verfahren zur Bildrekonstruktion
US11051772B2 (en) * 2016-04-08 2021-07-06 Rensselaer Polytechnic Institute Filtration methods for dual-energy X-ray CT
WO2017176976A1 (en) * 2016-04-08 2017-10-12 Rensselaer Polytechnic Institute Rapid filtration methods for dual-energy x-ray ct
WO2018020261A1 (en) * 2016-07-28 2018-02-01 Smiths Heimann Sas Scatter imaging
EP3521862A1 (en) * 2018-02-02 2019-08-07 Koninklijke Philips N.V. Multi-spectral x-ray detector
KR101980533B1 (ko) * 2018-07-24 2019-05-21 주식회사 레메디 이중 에너지 x선 촬영 장치
CN111096761B (zh) * 2018-10-29 2024-03-08 上海西门子医疗器械有限公司 修正楔形滤波器散射的方法、装置和相关设备
CN111134710B (zh) * 2020-01-17 2021-05-07 清华大学 一种多能量ct成像系统
CN112212855B (zh) * 2020-09-08 2022-08-26 山东航天电子技术研究所 一种应用于x射线脉冲星导航终端的轻小型探测器
CN112716517A (zh) * 2020-12-31 2021-04-30 北京朗视仪器有限公司 一种通过dr拍摄测量骨密度的方法及dr拍摄设备
CA3222366A1 (en) * 2021-07-28 2023-02-02 Bar Ilan University Method and system for high photon energies imaging
CN114767140A (zh) * 2022-04-07 2022-07-22 北京朗视仪器股份有限公司 X射线滤波器、能谱成像系统及特异性组织鉴别方法
CN114983465A (zh) * 2022-05-09 2022-09-02 有方（合肥）医疗科技有限公司 成像设备和成像方法
CN115105107A (zh) * 2022-06-20 2022-09-27 北京朗视仪器股份有限公司 一种能谱成像方法及能谱成像系统
US12493003B2 (en) 2023-07-13 2025-12-09 General Electric Company Detector with focally aligned pixels
DE102023211966A1 (de) 2023-11-29 2025-06-05 Siemens Healthineers Ag Computerimplementiertes Verfahren zum Betrieb einer Röntgeneinrichtung und Röntgeneinrichtung
CN118975808B (zh) * 2024-07-16 2025-09-09 华中科技大学 多能谱x射线面阵成像系统

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US3950613A (en) 1973-12-26 1976-04-13 Albert Macovski X-ray encoding and decoding system
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US7496181B2 (en) 2005-11-28 2009-02-24 The Board Of Trustees Of The Leland Stanford Junior University X-ray collimator for imaging with multiple sources and detectors
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Publication number Publication date
CN106687042B (zh) 2021-08-03
WO2016038504A1 (en) 2016-03-17
EP3193720B1 (en) 2020-01-01
US20170273642A1 (en) 2017-09-28
EP3193720A1 (en) 2017-07-26
JP2017526457A (ja) 2017-09-14
US10470722B2 (en) 2019-11-12
CN106687042A (zh) 2017-05-17

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