CN105491950B - 用于实现螺旋计算机断层摄影中的最优snr的可调节蝴蝶结滤波器 - Google Patents

用于实现螺旋计算机断层摄影中的最优snr的可调节蝴蝶结滤波器 Download PDF

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CN105491950B
CN105491950B CN201480044213.2A CN201480044213A CN105491950B CN 105491950 B CN105491950 B CN 105491950B CN 201480044213 A CN201480044213 A CN 201480044213A CN 105491950 B CN105491950 B CN 105491950B
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filter
filter layer
ray beam
ray
filter assembly
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CN105491950A (zh
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T·克勒
R·普罗克绍
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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
    • A61B6/40—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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201480044213.2A 2013-08-13 2014-08-05 用于实现螺旋计算机断层摄影中的最优snr的可调节蝴蝶结滤波器 Active CN105491950B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361865273P 2013-08-13 2013-08-13
US61/865,273 2013-08-13
PCT/IB2014/063700 WO2015022599A1 (en) 2013-08-13 2014-08-05 Adjustable bow-tie filter for achieving optimal snr in helical computed tomography

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CN105491950A CN105491950A (zh) 2016-04-13
CN105491950B true CN105491950B (zh) 2021-02-19

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CN201480044213.2A Active CN105491950B (zh) 2013-08-13 2014-08-05 用于实现螺旋计算机断层摄影中的最优snr的可调节蝴蝶结滤波器

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US (1) US9901314B2 (enExample)
EP (1) EP3033011B1 (enExample)
JP (1) JP6467420B2 (enExample)
CN (1) CN105491950B (enExample)
WO (1) WO2015022599A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
EP3678547A1 (en) 2017-09-08 2020-07-15 Koninklijke Philips N.V. Dynamic bowtie filter and methods of using the same
EP3626175A1 (en) 2018-09-19 2020-03-25 Koninklijke Philips N.V. Beam shaping filter for cbct

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3265035B2 (ja) * 1993-03-08 2002-03-11 東芝アイティー・コントロールシステム株式会社 コンピュータ断層撮影装置
JP2002102217A (ja) * 2000-09-28 2002-04-09 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔシステム、ガントリ装置、コンソール端末及びその制御方法及び記憶媒体
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
US6990171B2 (en) 2003-10-27 2006-01-24 General Electric Company System and method of determining a user-defined region-of-interest of an imaging subject for x-ray flux management control
JP2005349083A (ja) * 2004-06-14 2005-12-22 Toshiba Corp Ｘ線コンピュータ断層撮影装置
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
JP4975347B2 (ja) * 2006-03-30 2012-07-11 株式会社東芝 Ｘ線ｃｔ装置
JP5670742B2 (ja) * 2007-12-28 2015-02-18 コーニンクレッカ フィリップス エヌ ヴェ コンピュータ断層撮影システム用のフィルタ組立体
JP5605985B2 (ja) * 2008-09-26 2014-10-15 株式会社東芝 Ｘ線コンピュータ断層撮影装置
DE102009012631B4 (de) * 2009-03-11 2011-07-28 Bayer Schering Pharma Aktiengesellschaft, 13353 Filter für einen Computertomographen sowie Computertomograph
EP2496142B1 (en) * 2009-11-03 2016-12-14 Koninklijke Philips N.V. Computed tomography apparatus
CN103124520B (zh) * 2010-09-30 2016-07-13 皇家飞利浦电子股份有限公司 用于计算机断层摄影（ct）的动态滤波器
US9392984B2 (en) 2011-06-17 2016-07-19 The Board Of Trustees Of The Leland Stanford Junior University Computed tomography system with dynamic bowtie filter

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Publication number Publication date
US20160174917A1 (en) 2016-06-23
US9901314B2 (en) 2018-02-27
WO2015022599A1 (en) 2015-02-19
EP3033011B1 (en) 2019-06-19
JP6467420B2 (ja) 2019-02-13
JP2016527983A (ja) 2016-09-15
CN105491950A (zh) 2016-04-13
EP3033011A1 (en) 2016-06-22

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