JP4345960B2 - 放射線写真撮像時に放射線のフィルタ補正を調節変形する方法及び装置 - Google Patents

放射線写真撮像時に放射線のフィルタ補正を調節変形する方法及び装置 Download PDF

Info

Publication number
JP4345960B2
JP4345960B2 JP2003116550A JP2003116550A JP4345960B2 JP 4345960 B2 JP4345960 B2 JP 4345960B2 JP 2003116550 A JP2003116550 A JP 2003116550A JP 2003116550 A JP2003116550 A JP 2003116550A JP 4345960 B2 JP4345960 B2 JP 4345960B2
Authority
JP
Japan
Prior art keywords
filter
subject
ray
pair
filters
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 - Fee Related
Application number
JP2003116550A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003339691A5 (https=
JP2003339691A (ja
Inventor
トマス・エル・トス
ツール・バーンスタイン
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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
Priority claimed from US10/063,420 external-priority patent/US20030199757A1/en
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of JP2003339691A publication Critical patent/JP2003339691A/ja
Publication of JP2003339691A5 publication Critical patent/JP2003339691A5/ja
Application granted granted Critical
Publication of JP4345960B2 publication Critical patent/JP4345960B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KHANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10Scattering devices; Absorbing devices; Ionising radiation filters
    • 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
    • A61B6/44Constructional features of apparatus for radiation diagnosis
    • A61B6/4488Means for cooling

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2003116550A 2002-04-22 2003-04-22 放射線写真撮像時に放射線のフィルタ補正を調節変形する方法及び装置 Expired - Fee Related JP4345960B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/063,420 US20030199757A1 (en) 2002-04-22 2002-04-22 Method and apparatus of modulating radiation filtering during radiographic imaging
US10/063,420 2002-04-22
US10/064,172 US6836535B2 (en) 2002-04-22 2002-06-18 Method and apparatus of modulating the filtering of radiation during radiographic imaging
US10/064,172 2002-06-18

Publications (3)

Publication Number Publication Date
JP2003339691A JP2003339691A (ja) 2003-12-02
JP2003339691A5 JP2003339691A5 (https=) 2008-07-24
JP4345960B2 true JP4345960B2 (ja) 2009-10-14

Family

ID=28793783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003116550A Expired - Fee Related JP4345960B2 (ja) 2002-04-22 2003-04-22 放射線写真撮像時に放射線のフィルタ補正を調節変形する方法及び装置

Country Status (3)

Country Link
US (2) US6836535B2 (https=)
EP (1) EP1356770B1 (https=)
JP (1) JP4345960B2 (https=)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030199757A1 (en) * 2002-04-22 2003-10-23 Toth Thomas L. Method and apparatus of modulating radiation filtering during radiographic imaging
JP2005037214A (ja) * 2003-05-19 2005-02-10 Kawakami Hideyuki 放射線照射用コンペンセータ、コンペンセータ製造装置および放射線照射装置
EP1639546B1 (en) * 2003-06-17 2011-05-04 Brown University Method and apparatus for model-based detection of structure in projection data
US7076029B2 (en) * 2003-10-27 2006-07-11 General Electric Company Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned
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
US7082183B2 (en) * 2004-07-21 2006-07-25 General Electric Company Computed tomography dose indexing phantom selection for dose reporting
US7474736B2 (en) * 2004-10-01 2009-01-06 Varian Medical Systems, Inc. Devices and methods for providing spatially variable x-ray beam intensity
US7308073B2 (en) * 2005-10-20 2007-12-11 General Electric Company X-ray filter having dynamically displaceable x-ray attenuating fluid
US7330535B2 (en) 2005-11-10 2008-02-12 General Electric Company X-ray flux management device
JP2007135658A (ja) * 2005-11-15 2007-06-07 Ge Medical Systems Global Technology Co Llc X線ct装置およびx線ct透視装置
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
JP4509971B2 (ja) * 2006-06-09 2010-07-21 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
WO2008011582A2 (en) * 2006-07-21 2008-01-24 Andrei Cernasov Radiation attenuation device
WO2008082580A1 (en) * 2006-12-29 2008-07-10 Cargill, Incorporated Apparatus and method for the enhancement of contaminant detection
WO2008106500A1 (en) * 2007-02-27 2008-09-04 Wisconsin Alumni Research Foundation Fan beam modulator for ion beams providing continuous intensity modulation
WO2008106488A1 (en) * 2007-02-27 2008-09-04 Wisconsin Alumni Research Foundation Ion radiation therapy system having magnetic fan beam former
WO2008106522A2 (en) * 2007-02-27 2008-09-04 Wisconsin Alumni Research Foundation System and method for optimization of a radiation therapy plan in the presence of motion
US7977648B2 (en) 2007-02-27 2011-07-12 Wisconsin Alumni Research Foundation Scanning aperture ion beam modulator
US7977657B2 (en) * 2007-02-27 2011-07-12 Wisconsin Alumni Research Foundation Ion radiation therapy system with distal gradient tracking
US7714309B2 (en) * 2007-02-27 2010-05-11 Wisconsin Alumni Research Foundation Phantom for ion range detection
US8093568B2 (en) * 2007-02-27 2012-01-10 Wisconsin Alumni Research Foundation Ion radiation therapy system with rocking gantry motion
US7763873B2 (en) 2007-02-27 2010-07-27 Wisconsin Alumni Research Foundation Ion radiation therapy system with variable beam resolution
US8269196B2 (en) * 2007-02-27 2012-09-18 Wisconsin Alumni Research Foundation Heavy ion radiation therapy system with stair-step modulation
US8129701B2 (en) 2007-02-27 2012-03-06 Al-Sadah Jihad H Areal modulator for intensity modulated radiation therapy
JP4729519B2 (ja) * 2007-03-09 2011-07-20 ゼネラル・エレクトリック・カンパニイ 器官に基づく放射線プロファイル設定を設けた放射線撮像の方法及びシステム
JP2009025207A (ja) * 2007-07-20 2009-02-05 I-Bit Co Ltd 透視検査装置
US7649973B1 (en) * 2008-10-02 2010-01-19 General Electric Company Apparatus and method for z-location dependent x-ray beam filtration for imaging system
US20100175854A1 (en) * 2009-01-15 2010-07-15 Luca Joseph Gratton Method and apparatus for multi-functional capillary-tube interface unit for evaporation, humidification, heat exchange, pressure or thrust generation, beam diffraction or collimation using multi-phase fluid
JP4697642B2 (ja) 2009-01-26 2011-06-08 東芝Itコントロールシステム株式会社 Ct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
US8311182B2 (en) * 2010-09-22 2012-11-13 General Electric Company System and method of notch filtration for dual energy CT
EP2621342B1 (en) * 2010-09-30 2017-08-09 Koninklijke Philips N.V. Dynamic filter for computed tomography (ct)
US9521982B2 (en) 2011-06-17 2016-12-20 The Board Of Trustees Of The Leland Stanford Junior University Computed tomography system with dynamic bowtie filter
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
US9414792B2 (en) 2011-06-17 2016-08-16 The Board Of Trustees Of The Leland Stanford Junior University Computed tomography system with dynamic bowtie filter
WO2013001386A1 (en) 2011-06-30 2013-01-03 Koninklijke Philips Electronics N.V. X-ray beam transmission profile shaper
EP2765407B1 (en) 2011-10-04 2017-07-19 Nikon Corporation Device, x-ray irradiation method, and manufacturing method for structure
US9349494B2 (en) 2012-03-07 2016-05-24 Koninklijke Philips N.V. X-ray beam shaper
DE102012206953B3 (de) * 2012-04-26 2013-05-23 Siemens Aktiengesellschaft Adaptives Röntgenfilter und Verfahren zur adaptiven Schwächung einer Röntgenstrahlung
DE102012207627B3 (de) * 2012-05-08 2013-05-02 Siemens Aktiengesellschaft Adaptives Röntgenfilter zur Veränderung der lokalen Intensität einer Röntgenstrahlung
DE102012209150B3 (de) 2012-05-31 2013-04-11 Siemens Aktiengesellschaft Adaptives Röntgenfilter und Verfahren zur Veränderung der lokalen Intensität einer Röntgenstrahlung
JP5917322B2 (ja) * 2012-07-12 2016-05-11 住友重機械工業株式会社 荷電粒子線照射装置
JP5657627B2 (ja) * 2012-10-23 2015-01-21 Ckd株式会社 錠剤検査装置及びptp包装機
US10258299B2 (en) * 2012-10-31 2019-04-16 Analogic Corporation Pre-object filter for shaping profile of radiation attentuation in fan-angle direction
RU2015126546A (ru) * 2012-12-03 2017-01-13 Конинклейке Филипс Н.В. Перемещение формирователя профиля пропускания рентгеновского пучка
DE102012223748A1 (de) 2012-12-19 2014-06-26 Siemens Aktiengesellschaft Adaptives Bow-Tie-Röntgenfilter und Verfahren zur Veränderung der lokalen Intensität einer Röntgenstrahlung
US9370330B2 (en) 2013-02-08 2016-06-21 Siemens Medical Solutions Usa, Inc. Radiation field and dose control
JP5805689B2 (ja) 2013-03-08 2015-11-04 株式会社モリタ製作所 X線ct撮影装置及びx線ct撮影方法
US9173621B2 (en) 2013-04-02 2015-11-03 Triple Ring Technologies, Inc. Method and apparatus for adaptive X-ray filtration
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
US9431141B1 (en) * 2013-04-30 2016-08-30 The United States Of America As Represented By The Secretary Of The Air Force Reconfigurable liquid attenuated collimator
US20150036792A1 (en) * 2013-08-01 2015-02-05 Korea Advanced Institute Of Science And Technology Computed tomography apparatus, and method of generating image by using computed tomography apparatus
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
CN103932729A (zh) * 2014-04-08 2014-07-23 江苏中惠医疗科技股份有限公司 一种计算机断层扫描系统的x光射线过滤器
CN104127199B (zh) * 2014-07-14 2017-01-11 沈阳东软医疗系统有限公司 一种形状过滤器的设定方法和装置
CN107072620B (zh) * 2014-11-20 2023-04-25 皇家飞利浦有限公司 用于光子计数探测器的x射线通量降低器
US11051772B2 (en) 2016-04-08 2021-07-06 Rensselaer Polytechnic Institute Filtration methods for dual-energy X-ray CT
CN106110516A (zh) * 2016-06-17 2016-11-16 深圳市奥沃医学新技术发展有限公司 一种成像准直体、治疗头及治疗设备
WO2018163179A1 (en) * 2017-03-07 2018-09-13 Yossi Haran Intensity modulation device and methods for radiation therapy, radiation surgery and diagnostics
US10751549B2 (en) * 2018-07-18 2020-08-25 Kenneth Hogstrom Passive radiotherapy intensity modulator for electrons
US11284847B2 (en) * 2020-06-30 2022-03-29 GE Precision Healthcare LLC X-ray imaging system and method
US12125604B2 (en) * 2022-02-02 2024-10-22 GE Precision Healthcare LLC Pre-patient collimator having a built-in alignment mechanism

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717768A (en) * 1970-02-09 1973-02-20 Medinova Ab X-ray filter device in combination with a positioning light converging means
SE347859B (https=) * 1970-11-30 1972-08-14 Medinova Ab
JPS5368994A (en) * 1976-12-02 1978-06-19 Toshiba Corp X-ray apparatus
US4181858A (en) * 1977-12-30 1980-01-01 Emi Limited Adjustable compensating device for radiographic apparatus
US4288695A (en) * 1979-04-13 1981-09-08 Technicare Corporation Computerized tomographic scanner with shaped radiation filter
FR2654917A1 (fr) * 1989-11-24 1991-05-31 Gen Electric Cgr Appareil de radiologie avec filtre d'homogeneisation.
US5369678A (en) * 1992-06-29 1994-11-29 Siemens Corporate Research, Inc. Method for tracking a catheter probe during a fluoroscopic procedure
DE69415725T2 (de) * 1993-03-12 1999-07-22 Koninklijke Philips Electronics N.V., Eindhoven Röntgen-Untersuchungsgerät
EP0740839B1 (en) 1994-10-25 1998-09-23 Koninklijke Philips Electronics N.V. X-ray apparatus comprising a filter
US5668371A (en) 1995-06-06 1997-09-16 Wisconsin Alumni Research Foundation Method and apparatus for proton therapy
FR2770677B1 (fr) * 1997-11-03 1999-12-24 Ge Medical Syst Sa Filtre de conformation de faisceau de rayon-x a surface variable et appareil d'imagerie pour rayon-x incorporant un tel filtre
US5982846A (en) 1998-04-13 1999-11-09 General Electric Company Methods and apparatus for dose reduction in a computed tomograph
US6173039B1 (en) * 1998-08-25 2001-01-09 General Electric Company Variable aperture z-axis tracking collimator for computed tomograph system
US6307918B1 (en) 1998-08-25 2001-10-23 General Electric Company Position dependent beam quality x-ray filtration
DE10048775B4 (de) * 2000-09-29 2006-02-02 Siemens Ag Röntgen-Computertomographieeinrichtung
US6764217B2 (en) * 2000-10-30 2004-07-20 Kabushiki Kaisha Toshiba X-ray diagnosis apparatus
WO2002052580A1 (en) 2000-12-27 2002-07-04 Koninklijke Philips Electronics N.V. X-ray examination apparatus
DE10122694A1 (de) * 2001-05-10 2002-12-05 Siemens Ag Vorrichtung zum Filtern eines Strahlenbündels

Also Published As

Publication number Publication date
EP1356770A1 (en) 2003-10-29
US20030198319A1 (en) 2003-10-23
JP2003339691A (ja) 2003-12-02
US6993117B2 (en) 2006-01-31
EP1356770B1 (en) 2013-07-03
US20050031084A1 (en) 2005-02-10
US6836535B2 (en) 2004-12-28

Similar Documents

Publication Publication Date Title
JP4345960B2 (ja) 放射線写真撮像時に放射線のフィルタ補正を調節変形する方法及び装置
CN101854863B (zh) 用于改进3d x射线成像的图像质量的可移动楔
JP4558446B2 (ja) 走査されることになる対象物に対する調整されたエネルギビームを用いた放射線画像イメージングの方法及び装置
KR100307245B1 (ko) 저전력x-선소오스를갖는컴퓨터단층촬영스캐너
EP0948930B1 (en) Acquiring volumetric image data
US7813471B2 (en) X-ray CT apparatus
JP2004180715A (ja) X線コンピュータ断層撮影装置
EP2383702A1 (en) Method and apparatus for computed tomography
KR20230153347A (ko) 좁은 시야 x선 이미징 시스템 및 방법
JP2003290214A (ja) 透過x線データ獲得装置およびx線断層像撮影装置
US20020048347A1 (en) X-ray CT scanner
JP2005034173A (ja) 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
KR20040047641A (ko) X선 제어 방법 및 x선 촬영 장치
US7782999B2 (en) Systems and methods for scanning and data acquisition in computed tomography (CT) applications
US20030199757A1 (en) Method and apparatus of modulating radiation filtering during radiographic imaging
JP2009125250A (ja) X線ct装置
US20030058994A1 (en) Computed tomography method and apparatus for registering data with reduced radiation stress to the patient
JP2001043993A (ja) 管電流調節方法および装置並びにx線ct装置
JP2004230154A (ja) 多数の検出器パネルを利用した空間測定ctシステム及び方法
KR20070104924A (ko) 가변 재구성 기하적 구조를 포함하는 단층촬영기기
JP2594106B2 (ja) X線撮影装置
CN100435732C (zh) 图像重构方法及x射线ct装置
EP4681652A1 (en) Dental x-ray radiography apparatus
US20060239396A1 (en) Method and tomography apparatus for fast volume scanning of an examination region
Ning et al. Flat panel detector-based cone beam CT for dynamic imaging: system evaluation

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060419

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060419

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080606

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090127

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090313

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090313

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090623

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20090709

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20090710

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090709

R150 Certificate of patent or registration of utility model

Ref document number: 4345960

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120724

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120724

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130724

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees