CN1230123C - X－射线ct装置 - Google Patents

X－射线ct装置 Download PDF

Info

Publication number
CN1230123C
CN1230123C CNB021471185A CN02147118A CN1230123C CN 1230123 C CN1230123 C CN 1230123C CN B021471185 A CNB021471185 A CN B021471185A CN 02147118 A CN02147118 A CN 02147118A CN 1230123 C CN1230123 C CN 1230123C
Authority
CN
China
Prior art keywords
ray
tube current
tube
current value
transmission factor
Prior art date
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.)
Expired - Lifetime
Application number
CNB021471185A
Other languages
English (en)
Chinese (zh)
Other versions
CN1413558A (zh
Inventor
铃木達郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Medical Systems Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of CN1413558A publication Critical patent/CN1413558A/zh
Application granted granted Critical
Publication of CN1230123C publication Critical patent/CN1230123C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure

Landscapes

  • 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)
  • X-Ray Techniques (AREA)
CNB021471185A 2001-10-22 2002-10-22 X－射线ct装置 Expired - Lifetime CN1230123C (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001324024 2001-10-22
JP324024/2001 2001-10-22
JP2002276917A JP4309631B2 (ja) 2001-10-22 2002-09-24 Ｘ線コンピュータトモグラフィ装置
JP276917/2001 2002-09-24
JP276917/2002 2002-09-24

Publications (2)

Publication Number Publication Date
CN1413558A CN1413558A (zh) 2003-04-30
CN1230123C true CN1230123C (zh) 2005-12-07

Family

ID=26624023

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021471185A Expired - Lifetime CN1230123C (zh) 2001-10-22 2002-10-22 X－射线ct装置

Country Status (5)

Country Link
US (2) US20030076919A1 (enExample)
EP (1) EP1304077B1 (enExample)
JP (1) JP4309631B2 (enExample)
CN (1) CN1230123C (enExample)
DE (1) DE60234895D1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101548894B (zh) * 2008-04-04 2011-07-06 株式会社东芝 X射线ct装置及x射线ct装置的控制方法

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7103134B2 (en) * 2001-12-28 2006-09-05 Kabushiki Kaisha Toshiba Computed tomography apparatus
JP4537037B2 (ja) * 2003-11-11 2010-09-01 東芝Ｉｔコントロールシステム株式会社 Ｘ線検査装置及びその管電圧・管電流調整方法
DE102004003532A1 (de) * 2004-01-23 2005-08-18 Siemens Ag Verfahren zur Lagebestimmung dreidimensionaler Strukturen eines Patienten mit Hilfe eines Computertomographen
JP4679068B2 (ja) * 2004-04-26 2011-04-27 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US7215733B2 (en) * 2004-07-23 2007-05-08 Kabushiki Kaisha Toshiba X-ray computed tomography apparatus
JP5001142B2 (ja) * 2005-02-25 2012-08-15 株式会社日立メディコ Ｘ線ｃｔ装置
JP4718949B2 (ja) * 2005-09-22 2011-07-06 株式会社東芝 Ｘ線ｃｔ装置及びｘ線ｃｔ装置製造方法
DE102005061559A1 (de) * 2005-12-22 2007-07-05 Siemens Ag Verfahren zum Betreiben eines Röntgen-Computertomographen
JP2008220653A (ja) 2007-03-13 2008-09-25 Toshiba Corp Ｘ線ｃｔ装置、被検体外形推定方法、画像再構成方法
US20100213809A1 (en) * 2007-09-19 2010-08-26 Osram Gesellschaft Mit Beschraenkter Haftung Headlamp and its use
CN101467888B (zh) * 2007-12-28 2013-03-27 Ge医疗系统环球技术有限公司 X射线ct装置和x射线管电流确定方法
DE102008014738A1 (de) * 2008-03-18 2009-09-24 Siemens Aktiengesellschaft Verfahren zur medizinischen Bildgebung sowie medizinische Bildgebungsvorrichtung
JP5455903B2 (ja) * 2008-07-04 2014-03-26 株式会社日立メディコ Ｘ線ｃｔ装置
JP5608648B2 (ja) * 2008-08-04 2014-10-15 コーニンクレッカ フィリップス エヌ ヴェ 介入撮像及びデータ処理
JP2010213798A (ja) * 2009-03-13 2010-09-30 Toshiba Corp 循環器用ｘ線診断システム
JP5642439B2 (ja) * 2010-07-06 2014-12-17 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 放射線断層撮像装置
US8971493B2 (en) 2010-09-08 2015-03-03 Siemens Medical Solutions Usa, Inc. System for image scanning and acquisition with low-dose radiation
JP5718014B2 (ja) * 2010-10-22 2015-05-13 株式会社日立メディコ Ｘ線ｃｔ装置
US8798228B2 (en) * 2011-03-03 2014-08-05 General Electric Company Method to reduce radiation dose delivered by imaging system
US9326738B2 (en) * 2011-06-30 2016-05-03 General Electric Company Method and system for reduced dose X-ray imaging
JP6129474B2 (ja) * 2012-02-09 2017-05-17 東芝メディカルシステムズ株式会社 Ｘ線診断装置
JP6108695B2 (ja) * 2012-06-15 2017-04-05 キヤノン株式会社 Ｘ線撮影制御装置および方法
CN104812305B (zh) * 2012-12-27 2018-03-30 东芝医疗系统株式会社 X射线ct装置以及控制方法
US9370330B2 (en) 2013-02-08 2016-06-21 Siemens Medical Solutions Usa, Inc. Radiation field and dose control
KR101534098B1 (ko) * 2013-09-13 2015-07-07 삼성전자주식회사 Ｃｔ 장치 및 이를 이용한 엑스선 제어 방법
JP5784090B2 (ja) * 2013-09-30 2015-09-24 株式会社東芝 Ｘ線ｃｔ装置
KR102156408B1 (ko) * 2013-11-19 2020-09-16 삼성전자주식회사 레이어드 디스플레이 기법을 위한 디스플레이 장치 및 영상 생성 방법
CN104302081B (zh) * 2014-09-24 2017-06-16 沈阳东软医疗系统有限公司 一种ct球管中灯丝电流的控制方法和设备
CN104287768A (zh) * 2014-09-30 2015-01-21 沈阳东软医疗系统有限公司 一种ct扫描剂量控制方法及系统
CN104819988A (zh) * 2015-05-07 2015-08-05 哈尔滨飞机工业集团有限责任公司 一种通过ct检测判定尾桨叶成型气囊的方法
US10085698B2 (en) * 2016-01-26 2018-10-02 Genereal Electric Company Methods and systems for automated tube current modulation
CN106725570B (zh) * 2016-12-30 2019-12-20 上海联影医疗科技有限公司 成像方法及系统
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
KR102286358B1 (ko) * 2018-08-10 2021-08-05 도시바 아이티 앤 콘트롤 시스템 가부시키가이샤 X선 촬상 장치
CN109200490A (zh) * 2018-11-02 2019-01-15 新瑞阳光粒子医疗装备(无锡)有限公司 Ct机、ct系统、ct系统控制方法及介质

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605048B2 (ja) 1987-07-02 1997-04-30 株式会社日立製作所 識別信号記録再生装置
JPH0636793B2 (ja) * 1988-05-20 1994-05-18 株式会社東芝 Ｘ線ｃｔスキヤナ
US5400368A (en) * 1993-08-17 1995-03-21 Teknekron Communications Systems, Inc. Method and apparatus for adjusting the sampling phase of a digitally encoded signal in a wireless communication system
US5450462A (en) * 1993-11-19 1995-09-12 General Electric Company Modulation of x-ray tube current during CT scanning with modulation limit
US5400378A (en) * 1993-11-19 1995-03-21 General Electric Company Dynamic dose control in multi-slice CT scan
US5379333A (en) * 1993-11-19 1995-01-03 General Electric Company Variable dose application by modulation of x-ray tube current during CT scanning
US5485494A (en) * 1994-08-03 1996-01-16 General Electric Company Modulation of X-ray tube current during CT scanning
US5625662A (en) * 1995-11-20 1997-04-29 General Electric Company Modulating x-ray tube current in a CT system
US5696807A (en) * 1996-09-05 1997-12-09 General Electric Company Methods and apparatus for modulating x-ray tube current
IL120097A0 (en) * 1997-01-29 1997-04-15 Elscint Ltd Variable current CT scanning
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
DE19721535C2 (de) * 1997-05-22 2001-09-06 Siemens Ag Röntgen-Computertomograph zur Erzeugung von Röntgenschattenbildern
JP2000516834A (ja) * 1997-06-26 2000-12-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 調整可能なコンピュータ断層撮影装置
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
US5982846A (en) * 1998-04-13 1999-11-09 General Electric Company Methods and apparatus for dose reduction in a computed tomograph
US6385280B1 (en) * 1998-08-18 2002-05-07 Siemens Aktiengesellschaft X-ray computed tomography apparatus with modulation of the x-ray power of the x-ray source
US6061420A (en) * 1998-08-25 2000-05-09 General Electric Company Methods and apparatus for graphical Rx in a multislice imaging system
JP4260966B2 (ja) 1999-03-12 2009-04-30 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP4519254B2 (ja) * 2000-04-03 2010-08-04 株式会社日立メディコ Ｘ線ｃｔ装置
JP3961249B2 (ja) * 2001-08-28 2007-08-22 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 Ｘ線ｃｔシステム、ガントリ装置、操作コンソール及びその制御方法並びにプログラムコード、記憶媒体
US6795526B2 (en) * 2002-03-04 2004-09-21 Ge Medical Systems Global Technology Co., Llc Automatic exposure control for a digital image acquisition system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101548894B (zh) * 2008-04-04 2011-07-06 株式会社东芝 X射线ct装置及x射线ct装置的控制方法

Also Published As

Publication number Publication date
JP2003199739A (ja) 2003-07-15
US20030076919A1 (en) 2003-04-24
CN1413558A (zh) 2003-04-30
EP1304077A2 (en) 2003-04-23
US7142630B2 (en) 2006-11-28
JP4309631B2 (ja) 2009-08-05
US20050185760A1 (en) 2005-08-25
EP1304077B1 (en) 2009-12-30
EP1304077A3 (en) 2003-12-03
DE60234895D1 (de) 2010-02-11

Similar Documents

Publication Publication Date Title
CN1230123C (zh) X－射线ct装置
CN1236731C (zh) 计算机断层摄像装置
JP4367884B2 (ja) 石灰化のレベル付けを行う方法と装置
CN1150490C (zh) 计算机x-射线断层成像系统中用于扫描物体和显示图像的方法和设备
CN1217625C (zh) 用于具有任意节距的多切面ct成像的部分扫描加权
CN1600274A (zh) 超析像处理装置与医用图像诊断装置
CN1346980A (zh) Ct装置
CN1853570A (zh) Ct成像方法和系统
CN1780585A (zh) X射线扫描系统
CN1433282A (zh) 用于时间相干的大覆盖范围的计算机断层扫描器
JP2019191171A (ja) 関心領域の断層撮影のためのスキャン軌道
CN1620989A (zh) 利用多焦点检测器组合产生周期运动对象断层图像的方法
JP2007236662A (ja) Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法、ｘ線ｃｔ画像撮影方法。
CN1689523A (zh) X射线计算机断层摄影装置
CN1296009C (zh) X－射线ct设备
CN1294879C (zh) X射线计算层析摄影的装置和方法
KR20070057055A (ko) Ｘ선 ｃｔ 장치 및 그 제어 방법
US7949087B2 (en) Radiography apparatus
CN1298286C (zh) 计算机x射线断层造影设备
CN1913830A (zh) 使用像素交错排列和焦点调节的计算机断层成像
JP4993163B2 (ja) 傾斜円錐形ビームデータの再構成のための方法及び装置
CN1291696C (zh) X射线计算层析成像设备
CN1853564A (zh) 射线照相装置和射线照相方法
JP2005524438A (ja) 走査長が減少された円錐ビームｃｔスキャナ
CN1313736A (zh) 优化的计算机x射线断层造影规程

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160802

Address after: Japan Tochigi

Patentee after: TOSHIBA MEDICAL SYSTEMS Corp.

Address before: Tokyo, Japan

Patentee before: Toshiba Corp.

CX01 Expiry of patent term

Granted publication date: 20051207

CX01 Expiry of patent term