CN106687042B - 用于生成对象的x射线投影的系统和方法 - Google Patents

用于生成对象的x射线投影的系统和方法 Download PDF

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CN106687042B
CN106687042B CN201580048218.7A CN201580048218A CN106687042B CN 106687042 B CN106687042 B CN 106687042B CN 201580048218 A CN201580048218 A CN 201580048218A CN 106687042 B CN106687042 B CN 106687042B
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ray
pixels
filter
imaging system
grating
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CN106687042A (zh
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K·J·恩格尔
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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)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201580048218.7A 2014-09-08 2015-09-01 用于生成对象的x射线投影的系统和方法 Active CN106687042B (zh)

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

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CN106687042A CN106687042A (zh) 2017-05-17
CN106687042B true CN106687042B (zh) 2021-08-03

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015226489B4 (de) * 2015-12-22 2024-05-16 Siemens Healthineers Ag Röntgensystem und Verfahren zur Bildrekonstruktion
WO2017176976A1 (en) * 2016-04-08 2017-10-12 Rensselaer Polytechnic Institute Rapid filtration methods for dual-energy x-ray ct
US11051772B2 (en) * 2016-04-08 2021-07-06 Rensselaer Polytechnic Institute Filtration methods for dual-energy X-ray CT
CN110199209B (zh) * 2016-07-28 2021-07-30 德国史密斯海曼简化股份公司 散射成像
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
EP4377680A4 (en) * 2021-07-28 2025-09-24 Univ Bar Ilan METHOD AND SYSTEM FOR HIGH PHOTONIC ENERGY 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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950613A (en) 1973-12-26 1976-04-13 Albert Macovski X-ray encoding and decoding system
JPS54154294A (en) * 1978-05-26 1979-12-05 Toshiba Corp Computer tomography device
DE10151568A1 (de) * 2001-10-23 2003-05-08 Siemens Ag Verfahren zum Aufbringen eines Streustrahlenrasters auf einen Röntgendetektor
US7099428B2 (en) * 2002-06-25 2006-08-29 The Regents Of The University Of Michigan High spatial resolution X-ray computed tomography (CT) system
US7050529B2 (en) * 2002-07-23 2006-05-23 Ge Medical Systems Global Technolgy Company, Llc Methods and apparatus for performing a computed tomography scan
US6950495B2 (en) * 2003-12-01 2005-09-27 The Boeing Company Backscatter imaging using Hadamard transform masking
AP2007003993A0 (en) * 2004-10-14 2007-06-30 Eklin Medical Systems Inc Polychromic digital radiography detector with patterned mask for single-exposure energy-sensitive-x-ray imaging
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
WO2007110795A2 (en) * 2006-03-29 2007-10-04 Philips Intellectual Property & Standards Gmbh Effective dual-energy x-ray attenuation measurement
JP5294653B2 (ja) 2008-02-28 2013-09-18 キヤノン株式会社 マルチｘ線発生装置及びｘ線撮影装置
JP5247363B2 (ja) * 2008-11-11 2013-07-24 キヤノン株式会社 Ｘ線撮影装置
CN102481129B (zh) * 2009-09-02 2014-06-18 株式会社岛津制作所 放射线摄影装置以及图像获取方法
KR101228911B1 (ko) * 2010-08-06 2013-02-15 라드텍주식회사 이중 에너지 ｘ-선 흡광분석을 이용한 ｘ-선 영상장치
US9599577B2 (en) 2010-09-06 2017-03-21 Koninklijke Philips N.V. X-ray imaging with pixelated detector
CN104869905B (zh) * 2012-12-21 2019-08-06 卡尔斯特里姆保健公司 基于微分相衬成像的医疗放射照相光栅

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WO2016038504A1 (en) 2016-03-17
JP2017526457A (ja) 2017-09-14
CN106687042A (zh) 2017-05-17
US10470722B2 (en) 2019-11-12
EP3193720A1 (en) 2017-07-26
JP6946180B2 (ja) 2021-10-06
US20170273642A1 (en) 2017-09-28
EP3193720B1 (en) 2020-01-01

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