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
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)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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 |
---|---|---|---|
DE8585102252T Expired - Lifetime DE3580599D1 (de) | 1984-02-29 | 1985-02-28 | Verfahren und apparat zur roentgenstrahlenuntersuchung. |
DE8989106629T Expired - Fee Related DE3586996T2 (de) | 1984-02-29 | 1985-02-28 | Verfahren und geraet zu roentgenstrahlenuntersuchung. |
Family Applications Before (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) | DE3580599D1 (de) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3763469D1 (de) * | 1986-07-31 | 1990-08-02 | Siemens Ag | Roentgendiagnostikgeraet fuer roentgenaufnahmen. |
US4821304A (en) * | 1986-12-31 | 1989-04-11 | Michael Danos | Detection methods and apparatus for non-destructive inspection of materials with radiation |
JPH0743721Y2 (ja) * | 1988-11-05 | 1995-10-09 | 朝日レントゲン工業株式会社 | 歯科用パノラマx線撮影装置のカセッテホルダー |
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. |
US5233193A (en) * | 1991-01-10 | 1993-08-03 | Fuji Photo Film Co., Ltd. | Radiation image recording apparatus |
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 |
JP2000512764A (ja) * | 1997-01-24 | 2000-09-26 | クウォンタ・ビジョン・インコーポレイテッド | 物体の内部構造及び組成を判定する際に小角トポグラフィ的方法を用いる検査装置 |
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 |
US7072440B2 (en) * | 2001-10-19 | 2006-07-04 | Control Screening, Llc | Tomographic scanning X-ray inspection system using transmitted and Compton scattered radiation |
US6661867B2 (en) * | 2001-10-19 | 2003-12-09 | 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 |
US7653176B2 (en) * | 2005-06-14 | 2010-01-26 | L-3 Communications Security and Detection Systems Inc. | Inspection system with material identification |
CN101262819B (zh) * | 2005-09-13 | 2011-06-08 | 皇家飞利浦电子股份有限公司 | Ct散射的直接测量及校正 |
CN101011253B (zh) * | 2006-02-01 | 2011-06-15 | 西门子公司 | 产生投影或断层造影的相位对比照片的焦点-检测器装置 |
US20070268995A1 (en) * | 2006-05-04 | 2007-11-22 | Stayman Joseph W | 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 |
WO2009136400A2 (en) * | 2008-05-08 | 2009-11-12 | Arineta Cardio Imaging 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 |
WO2010141839A2 (en) * | 2009-06-04 | 2010-12-09 | Virginia Tech Intellectual Properties, Inc. | Multi-parameter x-ray computed tomography |
KR101596432B1 (ko) | 2009-07-15 | 2016-02-22 | 아르켐 에이비 | 삼차원 물체의 제작 방법 및 장치 |
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 |
US10189086B2 (en) | 2011-12-28 | 2019-01-29 | 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 |
CN104853901B (zh) | 2012-12-17 | 2018-06-05 | 阿卡姆股份公司 | 添加材料制造方法和设备 |
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 |
US11571748B2 (en) | 2015-10-15 | 2023-02-07 | 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 |
US20190099809A1 (en) | 2017-09-29 | 2019-04-04 | 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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL183160C (nl) * | 1974-11-26 | 1988-08-01 | Optische Ind De Oude Delft Nv | Stelsel voor het vormen van een videorepresentatie van een roentgenschaduwbeeld. |
FR2391699A1 (fr) * | 1976-04-09 | 1978-12-22 | Radiologie Cie Gle | Appareil de radiographie, notamment de mammographie |
DE2642846A1 (de) * | 1976-09-23 | 1978-03-30 | Siemens Ag | Roentgenschichtgeraet zur herstellung von transversalschichtbildern |
US4096391A (en) * | 1976-10-15 | 1978-06-20 | The Board Of Trustees Of The University Of Alabama | Method and apparatus for reduction of scatter in diagnostic radiology |
FR2377642A1 (fr) * | 1977-01-17 | 1978-08-11 | Drukier Andnes | Procedes et dispositifs permettant d'ameliorer la resolution energetique de detecteurs de photons pour l'application medicale |
GB1598685A (en) * | 1977-04-28 | 1981-09-23 | Emi Ltd | Radiography |
DE7817433U1 (de) * | 1978-06-10 | 1979-11-22 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Blendenanordnung für Mehrfachstrahlenquellen |
US4465540A (en) * | 1979-05-03 | 1984-08-14 | Albert Richard D | Method of manufacture of laminate radiation collimator |
US4288697A (en) * | 1979-05-03 | 1981-09-08 | Albert Richard D | Laminate radiation collimator |
US4403338A (en) * | 1980-11-14 | 1983-09-06 | Stephen Rudin | Process and apparatus for scatter reduction in radiography |
DE3124998A1 (de) * | 1981-06-25 | 1983-01-13 | Siemens AG, 1000 Berlin und 8000 München | Streustrahlenraster |
US4433427A (en) * | 1982-01-26 | 1984-02-21 | Elscint, Inc. | Method and apparatus for examining a body by means of penetrating radiation such as X-rays |
EP0105618B1 (de) * | 1982-09-07 | 1989-10-25 | The Board Of Trustees Of The Leland Stanford Junior University | Verfahren und Vorrichtung zur röntgenologischen Bilderzeugung mit Kompensation der Streustrahlung |
-
1984
- 1984-02-29 JP JP59036246A patent/JPS60181638A/ja active Granted
-
1985
- 1985-02-25 US US06/705,377 patent/US4651002A/en not_active Expired - Fee Related
- 1985-02-28 EP EP85102252A patent/EP0153750B1/de not_active Expired
- 1985-02-28 EP EP89106629A patent/EP0330244B1/de not_active Expired - Lifetime
- 1985-02-28 DE DE8585102252T patent/DE3580599D1/de not_active Expired - Lifetime
- 1985-02-28 DE DE8989106629T patent/DE3586996T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0153750A3 (en) | 1987-02-04 |
EP0153750B1 (de) | 1990-11-22 |
JPS60181638A (ja) | 1985-09-17 |
US4651002A (en) | 1987-03-17 |
JPH0466147B2 (de) | 1992-10-22 |
EP0330244A3 (en) | 1989-09-13 |
DE3580599D1 (de) | 1991-01-03 |
EP0330244B1 (de) | 1993-01-13 |
DE3586996T2 (de) | 1993-04-29 |
EP0153750A2 (de) | 1985-09-04 |
EP0330244A2 (de) | 1989-08-30 |
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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 |