CN100500094C - 确定射线摄影成像的管电流调制曲线的方法和装置 - Google Patents

确定射线摄影成像的管电流调制曲线的方法和装置 Download PDF

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Publication number
CN100500094C
CN100500094C CNB2005100525759A CN200510052575A CN100500094C CN 100500094 C CN100500094 C CN 100500094C CN B2005100525759 A CNB2005100525759 A CN B2005100525759A CN 200510052575 A CN200510052575 A CN 200510052575A CN 100500094 C CN100500094 C CN 100500094C
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Prior art keywords
modulation
tube current
waveform
current modulation
high frequency
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Expired - Fee Related
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CNB2005100525759A
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Chinese (zh)
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CN1657008A (zh
Inventor
T·L·托思
S·J·沃罗舍克
J·R·施密德特
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • A61B6/488—Diagnostic techniques involving pre-scan acquisition
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • A61B6/544—Control of apparatus or devices for radiation diagnosis involving control of exposure dependent on patient size
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms

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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)
  • Analysing Materials By The Use Of Radiation (AREA)
CNB2005100525759A 2004-02-19 2005-02-21 确定射线摄影成像的管电流调制曲线的方法和装置 Expired - Fee Related CN100500094C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/782485 2004-02-19
US10/782,485 US6990172B2 (en) 2004-02-19 2004-02-19 Method and apparatus to determine tube current modulation profile for radiographic imaging

Publications (2)

Publication Number Publication Date
CN1657008A CN1657008A (zh) 2005-08-24
CN100500094C true CN100500094C (zh) 2009-06-17

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CNB2005100525759A Expired - Fee Related CN100500094C (zh) 2004-02-19 2005-02-21 确定射线摄影成像的管电流调制曲线的方法和装置

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US (1) US6990172B2 (enExample)
JP (1) JP4746890B2 (enExample)
CN (1) CN100500094C (enExample)
DE (1) DE102005007190A1 (enExample)
NL (1) NL1028294C2 (enExample)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7963695B2 (en) 2002-07-23 2011-06-21 Rapiscan Systems, Inc. Rotatable boom cargo scanning system
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
GB0309385D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-ray monitoring
US9113839B2 (en) 2003-04-25 2015-08-25 Rapiscon Systems, Inc. X-ray inspection system and method
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US7949101B2 (en) * 2005-12-16 2011-05-24 Rapiscan Systems, Inc. X-ray scanners and X-ray sources therefor
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
US8837669B2 (en) 2003-04-25 2014-09-16 Rapiscan Systems, Inc. X-ray scanning system
US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
US8804899B2 (en) * 2003-04-25 2014-08-12 Rapiscan Systems, Inc. Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners
GB0309379D0 (en) 2003-04-25 2003-06-04 Cxr Ltd X-ray scanning
US8451974B2 (en) * 2003-04-25 2013-05-28 Rapiscan Systems, Inc. X-ray tomographic inspection system for the identification of specific target items
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
JP4739738B2 (ja) * 2004-12-01 2011-08-03 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 線量評価方法およびｘ線ｃｔ装置
WO2006090877A1 (ja) * 2005-02-25 2006-08-31 Hitachi Medical Corporation Ｘ線ｃｔ装置
JP4170305B2 (ja) 2005-04-05 2008-10-22 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 放射線撮影装置
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
US20070147579A1 (en) * 2005-12-23 2007-06-28 De Man Bruno K B Method and system for radiographic imaging with organ-based radiation profile prescription
US7688938B2 (en) * 2006-01-20 2010-03-30 Wisconsin Alumni Research Foundation Method and apparatus for low dose computed tomography
GB0803641D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0803644D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
JP5479069B2 (ja) 2009-12-17 2014-04-23 株式会社東芝 Ｘ線ｃｔ装置及びｘ線ｃｔ装置の制御方法
JP5985836B2 (ja) * 2011-03-03 2016-09-06 ゼネラル・エレクトリック・カンパニイ イメージング・システムによって放出される放射線量を減少させる方法
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
US9326738B2 (en) 2011-06-30 2016-05-03 General Electric Company Method and system for reduced dose X-ray imaging
AU2014212158B2 (en) 2013-01-31 2017-04-20 Rapiscan Systems, Inc. Portable security inspection system
CN103315762B (zh) 2013-06-26 2016-06-01 沈阳东软医疗系统有限公司 一种计算机断层摄影成像系统中的电流调制方法和装置
US9836859B2 (en) * 2015-01-09 2017-12-05 Toshiba Medical Systems Corporation Wide X-ray spectrum photon counting computed tomography
US10085698B2 (en) * 2016-01-26 2018-10-02 Genereal Electric Company Methods and systems for automated tube current modulation
US10973489B2 (en) * 2017-09-29 2021-04-13 General Electric Company CT imaging system and method using a task-based image quality metric to achieve a desired image quality
EP3597106A1 (en) * 2018-07-19 2020-01-22 Koninklijke Philips N.V. Ct scan parameter optimization
WO2021051191A1 (en) 2019-09-16 2021-03-25 Voti Inc. Probabilistic image analysis
JP7432378B2 (ja) 2020-01-29 2024-02-16 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置およびｘ線高電圧装置
CN117279572A (zh) * 2021-05-05 2023-12-22 皇家飞利浦有限公司 用于处理和可视化医学成像设备中的管电流调制的系统和方法
CN116403875B (zh) * 2023-06-06 2023-08-08 有方（合肥）医疗科技有限公司 X射线球管的管电流快速调节方法及装置、ct设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450462A (en) * 1993-11-19 1995-09-12 General Electric Company Modulation of x-ray tube current during CT scanning with modulation limit
US5379333A (en) * 1993-11-19 1995-01-03 General Electric Company Variable dose application by modulation of x-ray tube current during CT scanning
JP3662352B2 (ja) * 1996-07-19 2005-06-22 ジーイー横河メディカルシステム株式会社 Ｘ線ｃｔ装置
US5696807A (en) * 1996-09-05 1997-12-09 General Electric Company Methods and apparatus for modulating x-ray tube current
US5764721A (en) * 1997-01-08 1998-06-09 Southwest Research Institute Method for obtaining optimized computed tomography images from a body of high length-to-width ratio using computer aided design information for the body
US5867555A (en) * 1997-03-04 1999-02-02 Siemens Aktiengesellschaft Adaptive dose modulation during CT scanning
US5822393A (en) * 1997-04-01 1998-10-13 Siemens Aktiengesellschaft Method for adaptively modulating the power level of an x-ray tube of a computer tomography (CT) system
JP3244458B2 (ja) * 1997-09-30 2002-01-07 ジーイー横河メディカルシステム株式会社 Ｘ線断層撮影装置
US6115448A (en) * 1997-11-26 2000-09-05 General Electric Company Photodiode array for a scalable multislice scanning computed tomography system
JP4159188B2 (ja) * 1999-07-30 2008-10-01 ジーイー横河メディカルシステム株式会社 管電流調節方法および装置並びにｘ線ｃｔ装置
JP2002253546A (ja) 2001-02-20 2002-09-10 Ge Medical Systems Global Technology Co Llc アーチファクト評価方法、アーチファクト評価プログラムおよびｘ線ｃｔ装置
JP4532005B2 (ja) * 2001-03-09 2010-08-25 株式会社日立メディコ Ｘ線ｃｔ装置及びその画像表示方法
US7092214B2 (en) 2001-08-28 2006-08-15 Sae Magnetics (H.K.) Ltd. Wireless suspension design to accommodate multiple drive designs
JP3864106B2 (ja) * 2002-03-27 2006-12-27 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 透過ｘ線データ獲得装置およびｘ線断層像撮影装置
FR2849983A1 (fr) * 2003-01-10 2004-07-16 Ge Med Sys Global Tech Co Llc Procede de reglage du debit de rayonnement d'un tube a rayons x

Also Published As

Publication number Publication date
DE102005007190A1 (de) 2005-09-15
US20050185759A1 (en) 2005-08-25
NL1028294A1 (nl) 2005-08-22
NL1028294C2 (nl) 2006-11-29
JP2005230547A (ja) 2005-09-02
CN1657008A (zh) 2005-08-24
US6990172B2 (en) 2006-01-24
JP4746890B2 (ja) 2011-08-10

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