DE102012108059A1 - Verfahren zur Dosisverringerung bei der CT-Bildgebung und Vorrichtung zu dessen Implementierung - Google Patents

Verfahren zur Dosisverringerung bei der CT-Bildgebung und Vorrichtung zu dessen Implementierung Download PDF

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Publication number
DE102012108059A1
DE102012108059A1 DE102012108059A DE102012108059A DE102012108059A1 DE 102012108059 A1 DE102012108059 A1 DE 102012108059A1 DE 102012108059 A DE102012108059 A DE 102012108059A DE 102012108059 A DE102012108059 A DE 102012108059A DE 102012108059 A1 DE102012108059 A1 DE 102012108059A1
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Germany
Prior art keywords
detector array
ray
rays
detector
loop filter
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DE102012108059A
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German (de)
English (en)
Inventor
Jiang Hsieh
Abdelaziz Ikhlef
Paavana Sainath
Xiaoye Wu
Roman Melnyk
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General Electric Co
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General Electric Co
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/06Diaphragms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54Control of apparatus or devices for radiation diagnosis
    • A61B6/542Control of apparatus or devices for radiation diagnosis involving control of exposure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4078Fan-beams
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50Apparatus 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
    • A61B6/503Apparatus 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 diagnosis of the heart

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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)
  • Analysing Materials By The Use Of Radiation (AREA)
DE102012108059A 2011-09-01 2012-08-30 Verfahren zur Dosisverringerung bei der CT-Bildgebung und Vorrichtung zu dessen Implementierung Withdrawn DE102012108059A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/223,665 2011-09-01
US13/223,665 US8942341B2 (en) 2011-09-01 2011-09-01 Method of dose reduction for CT imaging and apparatus for implementing same

Publications (1)

Publication Number Publication Date
DE102012108059A1 true DE102012108059A1 (de) 2013-03-07

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DE102012108059A Withdrawn DE102012108059A1 (de) 2011-09-01 2012-08-30 Verfahren zur Dosisverringerung bei der CT-Bildgebung und Vorrichtung zu dessen Implementierung

Country Status (3)

Country Link
US (1) US8942341B2 (enExample)
JP (1) JP6371033B2 (enExample)
DE (1) DE102012108059A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013156172A (ja) * 2012-01-31 2013-08-15 X-Ray Precision Inc X線検査装置
CN103349555A (zh) * 2013-04-27 2013-10-16 中国人民解放军北京军区总医院 X射线滤过器、x射线滤过系统及移动ct扫描仪
KR101534098B1 (ko) * 2013-09-13 2015-07-07 삼성전자주식회사 Ct 장치 및 이를 이용한 엑스선 제어 방법
JP6266284B2 (ja) * 2013-09-19 2018-01-24 東芝メディカルシステムズ株式会社 X線診断装置
KR20150058672A (ko) 2013-11-19 2015-05-29 삼성전자주식회사 엑스선 영상 장치 및 그 제어 방법
CN104207799A (zh) * 2014-08-29 2014-12-17 沈阳东软医疗系统有限公司 一种ct扫描设备中形状过滤器的控制方法及装置
JP6747659B2 (ja) * 2015-07-07 2020-08-26 クロスレイテクノロジー株式会社 放射能検出装置、放射能測定装置および放射能測定方法
JP6885803B2 (ja) * 2017-06-27 2021-06-16 ゼネラル・エレクトリック・カンパニイ 放射線撮影装置及び撮影方法
WO2020097800A1 (zh) * 2018-11-13 2020-05-22 西安大医集团有限公司 滤光器、放射线扫描装置及放射线扫描方法
US11160518B2 (en) * 2019-08-16 2021-11-02 GE Precision Healthcare LLC Methods and systems for integrated filter system
US11432783B2 (en) 2020-01-10 2022-09-06 GE Precision Healthcare LLC Methods and systems for beam attenuation
US11986337B2 (en) * 2020-07-14 2024-05-21 The Regents Of The University Of California Dose reduction for cardiac computed tomography
CN115963124B (zh) * 2021-10-08 2024-01-26 同方威视技术股份有限公司 Ct成像系统
WO2025075675A1 (en) * 2023-10-06 2025-04-10 GE Precision Healthcare LLC Geometrical arrangements of computed tomography system detectors for enhanced scan coverage and image quality

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112891A1 (de) * 1980-04-02 1982-01-28 General Electric Co., New York, N.Y. "rechnergesteuertes tomographiegeraet und -verfahren"
JPS5832749A (ja) * 1981-08-21 1983-02-25 株式会社東芝 Ct装置
US6551857B2 (en) * 1997-04-04 2003-04-22 Elm Technology Corporation Three dimensional structure integrated circuits
US6740883B1 (en) 1998-08-14 2004-05-25 Robert Z. Stodilka Application of scatter and attenuation correction to emission tomography images using inferred anatomy from atlas
US6280084B1 (en) * 1998-08-25 2001-08-28 General Electric Company Methods and apparatus for indirect high voltage verification in an imaging system
JP4357612B2 (ja) * 1998-10-01 2009-11-04 株式会社東芝 放射線撮像装置
US6259098B1 (en) 1999-05-17 2001-07-10 General Electric Company Low cost, low resolution interconnect for a solid-state x-ray detector
US6385278B1 (en) * 2000-04-28 2002-05-07 Ge Medical Systems Global Technology Company, Llc Method and apparatus for region of interest multislice CT scan
US6389096B1 (en) 2000-11-22 2002-05-14 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for providing additional computed tomography imaging modes
US7127096B2 (en) 2001-11-20 2006-10-24 Accuimage Diagnostics Corp. Method and software for improving coronary calcium scoring consistency
US7149331B1 (en) 2002-09-03 2006-12-12 Cedara Software Corp. Methods and software for improving thresholding of coronary calcium scoring
DE10302565A1 (de) 2003-01-22 2004-08-12 Siemens Ag Bildgebendes Tomographiegerät mit wenigstens zwei Strahler-Detektor-Kombinationen
US6968030B2 (en) * 2003-05-20 2005-11-22 General Electric Company Method and apparatus for presenting multiple pre-subject filtering profiles during CT data acquisition
JP4041025B2 (ja) * 2003-07-15 2008-01-30 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー X線分布調整フィルタ装置およびそれを用いたx線ct装置
WO2005006986A1 (en) 2003-07-22 2005-01-27 Koninklijke Philips Electronics N.V. Radiation mask for two dimensional ct detector
JP4619704B2 (ja) * 2004-06-30 2011-01-26 株式会社東芝 X線コンピュータ断層撮影装置
US7522744B2 (en) 2004-08-31 2009-04-21 University Of Iowa Research Foundation System and method for adaptive bolus chasing computed tomography (CT) angiography
JP5011482B2 (ja) * 2005-07-19 2012-08-29 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー X線ct装置
US7254216B2 (en) * 2005-07-29 2007-08-07 General Electric Company Methods and apparatus for filtering a radiation beam and CT imaging systems using same
WO2007066243A2 (en) 2005-12-08 2007-06-14 Koninklijke Philips Electronics N.V. Systems and methods for scanning and data acquisition in computed tomography (ct) applications
US7746974B2 (en) 2006-09-29 2010-06-29 Siemens Medical Solutions Usa, Inc. Radiographic and fluoroscopic CT imaging
RU2009124895A (ru) 2006-11-30 2011-01-10 Конинклейке Филипс Электроникс, Н.В. (Nl) Спектральная компьютерная томография с использованием числа коррелированных фотонов и измерений энергии
US7787112B2 (en) 2007-10-22 2010-08-31 Visiongate, Inc. Depth of field extension for optical tomography
US7888647B2 (en) 2008-04-30 2011-02-15 United Technologies Corp. X-ray detector assemblies and related computed tomography systems

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Publication number Publication date
JP6371033B2 (ja) 2018-08-08
US8942341B2 (en) 2015-01-27
US20130058451A1 (en) 2013-03-07
JP2013052232A (ja) 2013-03-21

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Ipc: G21K0003000000

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee