DE3586996D1 - Verfahren und geraet zu roentgenstrahlenuntersuchung. - Google Patents

Verfahren und geraet zu roentgenstrahlenuntersuchung.

Info

Publication number
DE3586996D1
DE3586996D1 DE8989106629T DE3586996T DE3586996D1 DE 3586996 D1 DE3586996 D1 DE 3586996D1 DE 8989106629 T DE8989106629 T DE 8989106629T DE 3586996 T DE3586996 T DE 3586996T DE 3586996 D1 DE3586996 D1 DE 3586996D1
Authority
DE
Germany
Prior art keywords
ray examination
examination
ray
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
DE8989106629T
Other languages
English (en)
Other versions
DE3586996T2 (de
Inventor
Hidero Anno
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.)
Toshiba 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 DE3586996D1 publication Critical patent/DE3586996D1/de
Application granted granted Critical
Publication of DE3586996T2 publication Critical patent/DE3586996T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE8989106629T 1984-02-29 1985-02-28 Verfahren und geraet zu roentgenstrahlenuntersuchung. Expired - Fee Related DE3586996T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59036246A JPS60181638A (ja) 1984-02-29 1984-02-29 放射線像撮影装置

Publications (2)

Publication Number Publication Date
DE3586996D1 true DE3586996D1 (de) 1993-02-25
DE3586996T2 DE3586996T2 (de) 1993-04-29

Family

ID=12464413

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8989106629T Expired - Fee Related DE3586996T2 (de) 1984-02-29 1985-02-28 Verfahren und geraet zu roentgenstrahlenuntersuchung.
DE8585102252T Expired - Lifetime DE3580599D1 (de) 1984-02-29 1985-02-28 Verfahren und apparat zur roentgenstrahlenuntersuchung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8585102252T Expired - Lifetime DE3580599D1 (de) 1984-02-29 1985-02-28 Verfahren und apparat zur roentgenstrahlenuntersuchung.

Country Status (4)

Country Link
US (1) US4651002A (de)
EP (2) EP0153750B1 (de)
JP (1) JPS60181638A (de)
DE (2) DE3586996T2 (de)

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JPH02237277A (ja) * 1989-03-09 1990-09-19 Toshiba Corp Ｘ線診断装置
FR2670038B1 (fr) * 1990-11-29 1993-12-24 Commissariat A Energie Atomique Procede et dispositif de reconstruction d'images tridimentionnelles d'un objet en utilisant deux trajectoires circulaires d'axe commun.
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US5461653A (en) * 1993-11-05 1995-10-24 University Of Hawaii Method and apparatus for enhanced sensitivity filmless medical x-ray imaging, including three-dimensional imaging
RU2098797C1 (ru) * 1994-11-30 1997-12-10 Алексей Владиславович Курбатов Способ получения проекции объекта с помощью проникающего излучения и устройство для его осуществления
US5717733A (en) * 1995-05-31 1998-02-10 Quanta Vision, Inc. X-ray and neutron diffractometric imaging of the internal structure of objects
AU6039798A (en) * 1997-01-24 1998-08-18 Quanta Vision, Inc. Device for determining composition and structure of objects
US5812629A (en) * 1997-04-30 1998-09-22 Clauser; John F. Ultrahigh resolution interferometric x-ray imaging
US6054712A (en) * 1998-01-23 2000-04-25 Quanta Vision, Inc. Inspection equipment using small-angle topography in determining an object's internal structure and composition
US6175117B1 (en) 1998-01-23 2001-01-16 Quanta Vision, Inc. Tissue analysis apparatus
RU2145485C1 (ru) * 1998-03-12 2000-02-20 Кванта Вижн, Инк. Ультрамалоугловая рентгеновская томография
US6281503B1 (en) 1998-05-06 2001-08-28 Quanta Vision, Inc. Non-invasive composition analysis
AU5888499A (en) 1998-09-17 2000-04-03 Quanta Vision, Inc. Reduced-angle mammography device and variants
US6157703A (en) * 1998-10-06 2000-12-05 Cardiac Mariners, Inc. Beam hardening filter for x-ray source
FR2787573B1 (fr) * 1998-12-17 2001-01-19 Snecma Controle par radiographie d'un objet possedant un reseau cristallin
US6661867B2 (en) * 2001-10-19 2003-12-09 Control Screening, Llc Tomographic scanning X-ray inspection system using transmitted and compton scattered radiation
US7072440B2 (en) * 2001-10-19 2006-07-04 Control Screening, Llc Tomographic scanning X-ray inspection system using transmitted and Compton scattered radiation
SE526605C2 (sv) * 2003-03-31 2005-10-18 Flir Systems Ab IR-kamera
WO2006138529A2 (en) * 2005-06-14 2006-12-28 L-3 Communications Security And Detection Systems, Inc. Inspection system with material identification
EP1926431B1 (de) 2005-09-13 2014-07-02 Philips Intellectual Property & Standards GmbH Direkte streuungsmessung und -korrektur für ct
CN101011257B (zh) * 2006-02-01 2011-07-06 西门子公司 产生投影或断层造影相位对比图像的焦点-检测器装置
WO2007131160A2 (en) * 2006-05-04 2007-11-15 Xoran Technologies, Inc. Ct scanner with helical path source
US7463712B2 (en) * 2006-05-18 2008-12-09 The Board Of Trustees Of The Leland Stanford Junior University Scatter correction for x-ray imaging using modulation of primary x-ray spatial spectrum
GB0706155D0 (en) * 2007-03-30 2007-05-09 Univ Strathclyde A non-ionising imager
WO2009007902A2 (en) 2007-07-11 2009-01-15 Philips Intellectual Property & Standards Gmbh X-ray source for measuring radiation
JP5339975B2 (ja) * 2008-03-13 2013-11-13 キヤノン株式会社 Ｘ線位相イメージングに用いられる位相格子、該位相格子を用いたｘ線位相コントラスト像の撮像装置、ｘ線コンピューター断層撮影システム
US8873703B2 (en) * 2008-05-08 2014-10-28 Arineta Ltd. X ray imaging system with scatter radiation correction and method of using same
US8184767B2 (en) * 2008-12-10 2012-05-22 General Electric Company Imaging system and method with scatter correction
US8121249B2 (en) * 2009-06-04 2012-02-21 Virginia Tech Intellectual Properties, Inc. Multi-parameter X-ray computed tomography
JP5555769B2 (ja) 2009-07-15 2014-07-23 アーカム・アーベー 三次元物体を製作するための方法および装置
US8483351B2 (en) 2009-10-28 2013-07-09 Virginia Tech Intellectual Properties, Inc. Cardiac computed tomography methods and systems using fast exact/quasi-exact filtered back projection algorithms
JP5610885B2 (ja) 2010-07-12 2014-10-22 キヤノン株式会社 Ｘ線撮像装置および撮像方法
WO2013098135A1 (en) 2011-12-28 2013-07-04 Arcam Ab Method and apparatus for manufacturing porous three-dimensional articles
EP2797730B2 (de) 2011-12-28 2020-03-04 Arcam Ab Verfahren und vorrichtung zur detektion von fehlern bei der freiformherstellung
KR20140055318A (ko) * 2012-10-31 2014-05-09 삼성전자주식회사 콜리메이터 모듈, 콜리메이터 모듈을 포함하는 방사선 검출 장치, 콜리메이터 모듈을 포함하는 방사선 촬영 장치 및 방사선 촬영 장치의 제어 방법
DE102012220245A1 (de) * 2012-11-07 2014-05-08 Siemens Aktiengesellschaft Anordnung und Verfahren für eine Röntgenbildaufnahme
WO2014095200A1 (en) 2012-12-17 2014-06-26 Arcam Ab Additive manufacturing method and apparatus
DE102013212833B4 (de) * 2013-07-02 2019-12-24 Siemens Healthcare Gmbh Verfahren zum Gewinnen von Röntgenbildern sowie Röntgenbildaufnahmesystem
US9676032B2 (en) 2013-09-20 2017-06-13 Arcam Ab Method for additive manufacturing
US10434572B2 (en) 2013-12-19 2019-10-08 Arcam Ab Method for additive manufacturing
US10130993B2 (en) 2013-12-18 2018-11-20 Arcam Ab Additive manufacturing of three-dimensional articles
US20150283613A1 (en) 2014-04-02 2015-10-08 Arcam Ab Method for fusing a workpiece
US8976936B1 (en) * 2014-05-22 2015-03-10 King Abdulaziz University Collimator for backscattered radiation imaging and method of using the same
US20160167303A1 (en) 2014-12-15 2016-06-16 Arcam Ab Slicing method
US9721755B2 (en) * 2015-01-21 2017-08-01 Arcam Ab Method and device for characterizing an electron beam
US11014161B2 (en) 2015-04-21 2021-05-25 Arcam Ab Method for additive manufacturing
US10807187B2 (en) 2015-09-24 2020-10-20 Arcam Ab X-ray calibration standard object
US10583483B2 (en) 2015-10-15 2020-03-10 Arcam Ab Method and apparatus for producing a three-dimensional article
US10525531B2 (en) 2015-11-17 2020-01-07 Arcam Ab Additive manufacturing of three-dimensional articles
US10610930B2 (en) 2015-11-18 2020-04-07 Arcam Ab Additive manufacturing of three-dimensional articles
US11247274B2 (en) 2016-03-11 2022-02-15 Arcam Ab Method and apparatus for forming a three-dimensional article
US10549348B2 (en) 2016-05-24 2020-02-04 Arcam Ab Method for additive manufacturing
US11325191B2 (en) 2016-05-24 2022-05-10 Arcam Ab Method for additive manufacturing
US10525547B2 (en) 2016-06-01 2020-01-07 Arcam Ab Additive manufacturing of three-dimensional articles
US10792757B2 (en) 2016-10-25 2020-10-06 Arcam Ab Method and apparatus for additive manufacturing
US10987752B2 (en) 2016-12-21 2021-04-27 Arcam Ab Additive manufacturing of three-dimensional articles
US11059123B2 (en) 2017-04-28 2021-07-13 Arcam Ab Additive manufacturing of three-dimensional articles
US11292062B2 (en) 2017-05-30 2022-04-05 Arcam Ab Method and device for producing three-dimensional objects
US11185926B2 (en) 2017-09-29 2021-11-30 Arcam Ab Method and apparatus for additive manufacturing
US10529070B2 (en) 2017-11-10 2020-01-07 Arcam Ab Method and apparatus for detecting electron beam source filament wear
US11072117B2 (en) 2017-11-27 2021-07-27 Arcam Ab Platform device
US10821721B2 (en) 2017-11-27 2020-11-03 Arcam Ab Method for analysing a build layer
US11517975B2 (en) 2017-12-22 2022-12-06 Arcam Ab Enhanced electron beam generation
US11458682B2 (en) 2018-02-27 2022-10-04 Arcam Ab Compact build tank for an additive manufacturing apparatus
US11267051B2 (en) 2018-02-27 2022-03-08 Arcam Ab Build tank for an additive manufacturing apparatus
US11400519B2 (en) 2018-03-29 2022-08-02 Arcam Ab Method and device for distributing powder material
US11698349B2 (en) * 2020-10-09 2023-07-11 Baker Hughes Oilfield Operations Llc Scatter correction for computed tomography imaging

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DE3124998A1 (de) * 1981-06-25 1983-01-13 Siemens AG, 1000 Berlin und 8000 München Streustrahlenraster
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Also Published As

Publication number Publication date
DE3586996T2 (de) 1993-04-29
EP0153750B1 (de) 1990-11-22
JPH0466147B2 (de) 1992-10-22
DE3580599D1 (de) 1991-01-03
JPS60181638A (ja) 1985-09-17
EP0330244A3 (en) 1989-09-13
EP0153750A3 (en) 1987-02-04
EP0153750A2 (de) 1985-09-04
EP0330244B1 (de) 1993-01-13
EP0330244A2 (de) 1989-08-30
US4651002A (en) 1987-03-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee