DE102011053762A1 - System und Verfahren zum Bandpassfiltern für Dualenergie-CT - Google Patents

System und Verfahren zum Bandpassfiltern für Dualenergie-CT Download PDF

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Publication number
DE102011053762A1
DE102011053762A1 DE102011053762A DE102011053762A DE102011053762A1 DE 102011053762 A1 DE102011053762 A1 DE 102011053762A1 DE 102011053762 A DE102011053762 A DE 102011053762A DE 102011053762 A DE102011053762 A DE 102011053762A DE 102011053762 A1 DE102011053762 A1 DE 102011053762A1
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Germany
Prior art keywords
energy
data set
kvp
image
detector
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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.)
Ceased
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DE102011053762A
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German (de)
English (en)
Inventor
Naveen Chandra
Bruno Kristiaan Bernard De Man
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General Electric Co
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General Electric Co
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Application filed by General Electric Co filed Critical General Electric Co
Publication of DE102011053762A1 publication Critical patent/DE102011053762A1/de
Ceased legal-status Critical Current

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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]
    • 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
    • A61B6/40—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
    • A61B6/4042—K-edge filters
    • 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
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE102011053762A 2010-09-22 2011-09-19 System und Verfahren zum Bandpassfiltern für Dualenergie-CT Ceased DE102011053762A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS,12/887,584 2010-09-22
US12/887,584 US8311182B2 (en) 2010-09-22 2010-09-22 System and method of notch filtration for dual energy CT

Publications (1)

Publication Number Publication Date
DE102011053762A1 true DE102011053762A1 (de) 2012-04-26

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DE102011053762A Ceased DE102011053762A1 (de) 2010-09-22 2011-09-19 System und Verfahren zum Bandpassfiltern für Dualenergie-CT

Country Status (3)

Country Link
US (1) US8311182B2 (https=)
JP (1) JP2012066075A (https=)
DE (1) DE102011053762A1 (https=)

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KR20140092438A (ko) * 2012-12-27 2014-07-24 삼성전자주식회사 엑스선 검출 패널, 엑스선 촬영 장치 및 엑스선 영상 생성 방법
KR20140084659A (ko) * 2012-12-27 2014-07-07 삼성전자주식회사 에너지 차이를 증가시키는 다중에너지 엑스선 영상 획득 장치 및 방법
CN103892859A (zh) * 2012-12-28 2014-07-02 Ge医疗系统环球技术有限公司 基于多模式Scout扫描的CT成像方法和CT系统
US9535016B2 (en) 2013-02-28 2017-01-03 William Beaumont Hospital Compton coincident volumetric imaging
WO2014171487A1 (ja) * 2013-04-16 2014-10-23 株式会社 東芝 Ｘ線ｃｔ装置
GB201308876D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-Ray imaging apparatus and methods
GB201308818D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-ray detector apparatus
GB201308851D0 (en) * 2013-05-16 2013-07-03 Ibex Innovations Ltd Multi-spectral x-ray detection apparatus
JP6305692B2 (ja) * 2013-05-28 2018-04-04 キヤノンメディカルシステムズ株式会社 Ｘ線診断装置
US9274066B2 (en) * 2013-10-25 2016-03-01 Kabushiki Kaisha Toshiba Method for spectral CT local tomography
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CN103932729A (zh) * 2014-04-08 2014-07-23 江苏中惠医疗科技股份有限公司 一种计算机断层扫描系统的x光射线过滤器
WO2017019554A1 (en) * 2015-07-24 2017-02-02 Photo Diagnostic Systems, Inc. Method and apparatus for performing multi-energy (including dual energy) computed tomography (ct) imaging
US10165996B2 (en) * 2015-09-30 2019-01-01 General Electric Company Systems and methods for dual-energy computed tomography imaging
US10646176B2 (en) * 2015-09-30 2020-05-12 General Electric Company Layered radiation detector
US10573030B2 (en) 2017-04-07 2020-02-25 Photo Diagnostic Systems, Inc. Method for artifact reduction using monoenergetic data in computed tomography
EP3632325A1 (en) * 2018-10-04 2020-04-08 Koninklijke Philips N.V. System for providing a spectral image
CN110914868B (zh) * 2018-10-25 2024-02-23 上海联影医疗科技股份有限公司 用于散射校准的系统和方法
CN109632844B (zh) * 2019-01-09 2021-08-17 中国人民解放军战略支援部队信息工程大学 基于直线扫描轨迹的双能ct成像系统及方法
CN112437949B (zh) 2019-07-17 2021-07-27 上海联影医疗科技股份有限公司 一种用于合成投影图像的方法和系统
US12150797B2 (en) * 2020-10-26 2024-11-26 Medtronic Navigation, Inc. Filter system and method for imaging a subject
US11324463B1 (en) 2020-10-26 2022-05-10 Medtronic Navigation, Inc. Filter system and method for imaging a subject
EP4623829A1 (en) 2024-03-28 2025-10-01 Koninklijke Philips N.V. Method for performing kilovoltage peak switching computed tomography, computer program, computed tomography system, and use of a radiation filter

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US20120069953A1 (en) 2012-03-22
US8311182B2 (en) 2012-11-13
JP2012066075A (ja) 2012-04-05

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