JP6679563B2 - 投影データ取得装置 - Google Patents
投影データ取得装置 Download PDFInfo
- Publication number
- JP6679563B2 JP6679563B2 JP2017502602A JP2017502602A JP6679563B2 JP 6679563 B2 JP6679563 B2 JP 6679563B2 JP 2017502602 A JP2017502602 A JP 2017502602A JP 2017502602 A JP2017502602 A JP 2017502602A JP 6679563 B2 JP6679563 B2 JP 6679563B2
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- Japan
- Prior art keywords
- projection data
- radiation
- radiation beam
- acquisition
- different
- 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.)
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Links
- 230000005855 radiation Effects 0.000 claims description 232
- 238000002591 computed tomography Methods 0.000 claims description 66
- 238000001514 detection method Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 32
- 238000004590 computer program Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000005070 sampling Methods 0.000 description 12
- 230000002829 reductive effect Effects 0.000 description 6
- 230000002123 temporal effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
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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
- A61B6/06—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
- A61B6/02—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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14176988.5 | 2014-07-15 | ||
| EP14176988 | 2014-07-15 | ||
| PCT/EP2015/065993 WO2016008856A1 (en) | 2014-07-15 | 2015-07-13 | Projection data acquisition apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017524460A JP2017524460A (ja) | 2017-08-31 |
| JP2017524460A5 JP2017524460A5 (enExample) | 2018-08-23 |
| JP6679563B2 true JP6679563B2 (ja) | 2020-04-15 |
Family
ID=51176251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017502602A Expired - Fee Related JP6679563B2 (ja) | 2014-07-15 | 2015-07-13 | 投影データ取得装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10441230B2 (enExample) |
| EP (1) | EP3169240B1 (enExample) |
| JP (1) | JP6679563B2 (enExample) |
| CN (1) | CN106572823B (enExample) |
| WO (1) | WO2016008856A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10714227B2 (en) * | 2016-06-06 | 2020-07-14 | Georgetown Rail Equipment Company | Rotating radiation shutter collimator |
| CN107966460B (zh) | 2017-12-26 | 2024-05-10 | 清华大学 | 辐射检查系统和辐射检查方法 |
| JP7564098B2 (ja) * | 2018-11-30 | 2024-10-08 | アキュレイ インコーポレイテッド | 画像誘導放射線治療装置内に統合されるヘリカルファンビームコンピュータ断層撮影 |
| US20210007684A1 (en) * | 2019-07-09 | 2021-01-14 | Mistretta Medical, Llc | System and method of low dose ct fluoroscopy via aperture control |
| JP7187408B2 (ja) * | 2019-09-06 | 2022-12-12 | 富士フイルム株式会社 | トモシンセシス撮影装置 |
| EP3977937A1 (en) * | 2020-09-30 | 2022-04-06 | FEI Company | Method of investigating a specimen using a tomographic imaging apparatus |
| CN113367718A (zh) * | 2021-05-31 | 2021-09-10 | 明峰医疗系统股份有限公司 | 一种稀疏角度采样的ct扫描装置及方法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1569413A (en) | 1976-02-05 | 1980-06-18 | Emi Ltd | Radography |
| DE3765558D1 (de) | 1986-02-28 | 1990-11-22 | Siemens Ag | Zahnaerztliches roentgendiagnostikgeraet zur erstellung von panorama-schichtaufnahmen vom kiefer eines patienten. |
| DE3829688A1 (de) * | 1988-09-01 | 1990-03-15 | Philips Patentverwaltung | Anordnung zur erzeugung eines roentgen- oder gammastrahls mit geringem querschnitt und veraenderlicher richtung |
| AU3443295A (en) * | 1994-10-21 | 1996-05-02 | Advanced Diagnostic Development Pty Ltd | Collimator arrangements |
| US6272206B1 (en) | 1999-11-03 | 2001-08-07 | Perkinelmer Detection Systems, Inc. | Rotatable cylinder dual beam modulator |
| AU2001237051A1 (en) | 2000-02-18 | 2001-08-27 | William Beaumont Hospital | Cone-beam computerized tomography with a flat-panel imager |
| DE60222768T2 (de) * | 2001-04-03 | 2008-07-17 | Koninklijke Philips Electronics N.V. | Computertomograph |
| JP4675589B2 (ja) * | 2004-07-06 | 2011-04-27 | 東芝メディカルシステムズ株式会社 | X線コンピュータトモグラフィ装置 |
| US7330535B2 (en) * | 2005-11-10 | 2008-02-12 | General Electric Company | X-ray flux management device |
| US20070172031A1 (en) * | 2005-12-30 | 2007-07-26 | Cason William R | Concentric Dual Drum Raster Scanning Beam System and Method |
| CN102988074A (zh) | 2006-04-14 | 2013-03-27 | 威廉博蒙特医院 | 扫描狭槽锥形束计算机断层摄影以及扫描聚焦光斑锥形束计算机断层摄影 |
| DE102006046191B4 (de) * | 2006-09-29 | 2017-02-02 | Siemens Healthcare Gmbh | Streustrahlungskorrektur in der Radiographie und Computertomographie mit Flächendetektoren |
| EP1972276B1 (en) * | 2007-03-20 | 2017-03-01 | Cefla Societa' Cooperativa | Method for activation of an emitter of a computed tomography scanner |
| US8144829B2 (en) | 2008-02-27 | 2012-03-27 | The Board Of Trustees Of The Leland Stanford Junior University | Cone-beam CT imaging scheme |
| EP2283488A4 (en) | 2008-05-08 | 2017-04-26 | L-3 Communications Security and Detection Systems, Inc. | Adaptive scanning in an imaging system |
| US8633445B2 (en) | 2008-05-19 | 2014-01-21 | Varian Medical Systems, Inc. | Multi-energy X-ray imaging |
| CN102469975B (zh) * | 2009-07-29 | 2014-07-09 | 皇家飞利浦电子股份有限公司 | X 射线检查装置和方法 |
| WO2012008492A1 (ja) * | 2010-07-13 | 2012-01-19 | 株式会社テレシステムズ | X線断層像撮影装置 |
| RU2013136547A (ru) | 2011-01-06 | 2015-02-20 | Конинклейке Филипс Электроникс Н.В. | Система компьютерной томографии и способ слежения за болюсом |
| US20120215095A1 (en) * | 2011-02-22 | 2012-08-23 | Amit Mordechai Av-Shalom | X-Ray radiation reduction system |
| WO2013132387A2 (en) * | 2012-03-03 | 2013-09-12 | Controlrad Systems, Inc. | X-ray reduction system |
| US9460823B2 (en) | 2012-09-10 | 2016-10-04 | Telesecurity Sciences, Inc. | Dynamic beam aperture control to reduce radiation dose using collimator |
| CN104205240B (zh) * | 2013-02-28 | 2016-08-24 | 武汉数码刀医疗有限公司 | 一种可变换射野尺寸的准直器组合及其放射装置 |
-
2015
- 2015-07-13 EP EP15736288.0A patent/EP3169240B1/en active Active
- 2015-07-13 JP JP2017502602A patent/JP6679563B2/ja not_active Expired - Fee Related
- 2015-07-13 WO PCT/EP2015/065993 patent/WO2016008856A1/en not_active Ceased
- 2015-07-13 CN CN201580038312.4A patent/CN106572823B/zh active Active
- 2015-07-13 US US15/325,158 patent/US10441230B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016008856A1 (en) | 2016-01-21 |
| CN106572823B (zh) | 2020-11-20 |
| EP3169240B1 (en) | 2020-05-27 |
| US10441230B2 (en) | 2019-10-15 |
| JP2017524460A (ja) | 2017-08-31 |
| US20170172525A1 (en) | 2017-06-22 |
| EP3169240A1 (en) | 2017-05-24 |
| CN106572823A (zh) | 2017-04-19 |
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