WO2009020136A1 - Ｘ線ｃｔ装置 - Google Patents

Ｘ線ｃｔ装置 Download PDF

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Publication number
WO2009020136A1
WO2009020136A1 PCT/JP2008/064084 JP2008064084W WO2009020136A1 WO 2009020136 A1 WO2009020136 A1 WO 2009020136A1 JP 2008064084 W JP2008064084 W JP 2008064084W WO 2009020136 A1 WO2009020136 A1 WO 2009020136A1
Authority
WO
WIPO (PCT)
Prior art keywords
scan
ray
energy
ray energy
image
Prior art date
Application number
PCT/JP2008/064084
Other languages
English (en)
French (fr)
Inventor
Koichi Hirokawa
Taiga Goto
Takayuki Kadomura
Original Assignee
Hitachi Medical Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Medical Corporation filed Critical Hitachi Medical Corporation
Priority to US12/671,872 priority Critical patent/US8189736B2/en
Priority to CN2008801019351A priority patent/CN101772324B/zh
Priority to JP2009526466A priority patent/JP5371758B2/ja
Publication of WO2009020136A1 publication Critical patent/WO2009020136A1/ja

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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
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • 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
    • A61B6/545—Control of apparatus or devices for radiation diagnosis involving automatic set-up of acquisition parameters

Landscapes

  • 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)

Abstract

　マルチエネルギー撮影のCTスキャンを高速で行えるとともに、物質弁別能に優れた画像が得られるX線CT装置を提供する。 　X線CT装置において、第１のX線エネルギーによる第1のCTスキャンと第2のX線エネルギーによる第2のCTスキャンをCTスキャンの中断をすることなく連続的に行わせる手段と、前記第1のCTスキャンの終期と第2のCTスキャンの初期とを含む遷移期間TRに前記X線から放射されるX線エネルギーを第1のX線エネルギーから第2のX線エネルギーへ遷移させる手段と、前記遷移期間のスキャンデータを残余のスキャン期間の対向データで補償して画像再構成を行う手段を備える。
PCT/JP2008/064084 2007-08-06 2008-08-06 Ｘ線ｃｔ装置 WO2009020136A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/671,872 US8189736B2 (en) 2007-08-06 2008-08-06 X-ray CT apparatus
CN2008801019351A CN101772324B (zh) 2007-08-06 2008-08-06 X射线ct装置
JP2009526466A JP5371758B2 (ja) 2007-08-06 2008-08-06 Ｘ線ｃｔ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-203723 2007-08-06
JP2007203723 2007-08-06

Publications (1)

Publication Number Publication Date
WO2009020136A1 true WO2009020136A1 (ja) 2009-02-12

Family

ID=40341368

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/064084 WO2009020136A1 (ja) 2007-08-06 2008-08-06 Ｘ線ｃｔ装置

Country Status (4)

Country Link
US (1) US8189736B2 (ja)
JP (1) JP5371758B2 (ja)
CN (1) CN101772324B (ja)
WO (1) WO2009020136A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012034924A (ja) * 2010-08-10 2012-02-23 Toshiba Corp Ｘ線ｃｔ装置の撮影条件処理方法及びｘ線ｃｔ装置
JP2018173374A (ja) * 2017-03-31 2018-11-08 松定プレシジョン株式会社 Ｘ線検査装置
JP2020099667A (ja) * 2018-12-21 2020-07-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法
JP2020171782A (ja) * 2010-10-20 2020-10-22 メドトロニック・ナビゲーション，インコーポレーテッド 被験体の複数のフェーズを再構築するためのシステム
JP2021040991A (ja) * 2019-09-12 2021-03-18 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び医用処理装置
JP7516461B2 (ja) 2022-05-30 2024-07-16 ジーイー・プレシジョン・ヘルスケア・エルエルシー 医用装置、スキャン方法、および記録媒体

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5683116B2 (ja) * 2010-01-27 2015-03-11 キヤノン株式会社 放射線撮影装置、その制御方法及びプログラム
US8817947B2 (en) * 2011-01-31 2014-08-26 University Of Massachusetts Tomosynthesis imaging
JP5752452B2 (ja) * 2011-03-23 2015-07-22 株式会社日立メディコ Ｘ線ｃｔ装置
JP6104526B2 (ja) * 2011-06-28 2017-03-29 東芝メディカルシステムズ株式会社 Ｘ線管球及びｘ線ｃｔ装置
US20130003912A1 (en) * 2011-06-30 2013-01-03 General Electric Company System and method of acquiring computed tomography data using a multi-energy x-ray source
DE102011110615A1 (de) * 2011-08-16 2013-02-21 Carl Zeiss Meditec Ag Erzeugung einer definierten Strahlungsdosisleistungskurve
CN103284749B (zh) * 2012-02-24 2015-09-09 株式会社东芝 医用图像处理装置
CN103654818B (zh) * 2012-09-04 2016-01-27 沈阳东软医疗***有限公司 一种实现多能量ct扫描重建的方法及装置
EP2931368B1 (en) * 2012-12-14 2017-07-05 Elekta AB (PUBL) Radiotherapy apparatus
CN103913779B (zh) 2012-12-31 2017-07-07 清华大学 多能ct成像***以及成像方法
CN105073010B (zh) * 2013-04-04 2018-04-03 东芝医疗***株式会社 X射线计算机断层摄影装置
CN104107063B (zh) * 2013-04-18 2018-05-04 上海联影医疗科技有限公司 一种医学图像扫描方法及装置
JP2014226376A (ja) * 2013-05-23 2014-12-08 株式会社東芝 Ｘ線ｃｔ装置
CN104374783B (zh) * 2013-12-26 2017-06-16 清华大学 Ct***及其方法
KR101725099B1 (ko) * 2014-12-05 2017-04-26 삼성전자주식회사 컴퓨터 단층 촬영장치 및 그 제어방법
CN105748095A (zh) * 2014-12-17 2016-07-13 上海西门子医疗器械有限公司 复数电压值计算机断层扫描方法和设备
CN104545960B (zh) * 2014-12-18 2017-05-31 沈阳东软医疗***有限公司 一种双能ct的扫描电压的选择方法及设备
US10405813B2 (en) * 2015-02-04 2019-09-10 Dental Imaging Technologies Corporation Panoramic imaging using multi-spectral X-ray source
CN106920265B (zh) * 2015-12-28 2024-04-26 上海联影医疗科技股份有限公司 计算机断层扫描图像重建方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006122679A (ja) * 2004-10-25 2006-05-18 Siemens Ag 多重エネルギー画像を作成するための断層撮影装置および断層撮影装置のための多重エネルギー画像の作成方法
JP2006271437A (ja) * 2005-03-28 2006-10-12 Aloka Co Ltd Ｘ線骨密度測定装置
JP2008154669A (ja) * 2006-12-21 2008-07-10 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6891918B2 (en) * 2002-11-27 2005-05-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for acquiring perfusion data
CN100443052C (zh) * 2004-10-14 2008-12-17 Ge医疗***环球技术有限公司 X射线ct装置
US7876874B2 (en) * 2005-05-18 2011-01-25 Hitachi Medical Corporation Radiographing apparatus and image processing program
JP5229865B2 (ja) * 2007-11-30 2013-07-03 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 Ｘ線ｃｔ装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006122679A (ja) * 2004-10-25 2006-05-18 Siemens Ag 多重エネルギー画像を作成するための断層撮影装置および断層撮影装置のための多重エネルギー画像の作成方法
JP2006271437A (ja) * 2005-03-28 2006-10-12 Aloka Co Ltd Ｘ線骨密度測定装置
JP2008154669A (ja) * 2006-12-21 2008-07-10 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012034924A (ja) * 2010-08-10 2012-02-23 Toshiba Corp Ｘ線ｃｔ装置の撮影条件処理方法及びｘ線ｃｔ装置
US8781060B2 (en) 2010-08-10 2014-07-15 Kabushiki Kaisha Toshiba Exposure condition processing method of X-ray CT apparatus and X-ray CT apparatus
JP2020171782A (ja) * 2010-10-20 2020-10-22 メドトロニック・ナビゲーション，インコーポレーテッド 被験体の複数のフェーズを再構築するためのシステム
US11969279B2 (en) 2010-10-20 2024-04-30 Medtronic Navigation, Inc. Method and apparatus for reconstructing image projections
JP2018173374A (ja) * 2017-03-31 2018-11-08 松定プレシジョン株式会社 Ｘ線検査装置
JP2020099667A (ja) * 2018-12-21 2020-07-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法
JP7309500B2 (ja) 2018-12-21 2023-07-18 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法
JP2021040991A (ja) * 2019-09-12 2021-03-18 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び医用処理装置
JP7353882B2 (ja) 2019-09-12 2023-10-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び医用処理装置
JP7516461B2 (ja) 2022-05-30 2024-07-16 ジーイー・プレシジョン・ヘルスケア・エルエルシー 医用装置、スキャン方法、および記録媒体

Also Published As

Publication number Publication date
US8189736B2 (en) 2012-05-29
JP5371758B2 (ja) 2013-12-18
US20100232566A1 (en) 2010-09-16
CN101772324B (zh) 2012-01-11
CN101772324A (zh) 2010-07-07
JPWO2009020136A1 (ja) 2010-11-04

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