JP5156186B2 - フラットパネル検出器をベースとしたスロット走査構成 - Google Patents
フラットパネル検出器をベースとしたスロット走査構成 Download PDFInfo
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- JP5156186B2 JP5156186B2 JP2005319189A JP2005319189A JP5156186B2 JP 5156186 B2 JP5156186 B2 JP 5156186B2 JP 2005319189 A JP2005319189 A JP 2005319189A JP 2005319189 A JP2005319189 A JP 2005319189A JP 5156186 B2 JP5156186 B2 JP 5156186B2
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- 238000000034 method Methods 0.000 claims description 33
- 230000005855 radiation Effects 0.000 description 42
- 238000003384 imaging method Methods 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 24
- 239000000463 material Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 12
- 238000004806 packaging method and process Methods 0.000 description 8
- 230000003187 abdominal effect Effects 0.000 description 7
- 238000000333 X-ray scattering Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000002594 fluoroscopy Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 210000001835 viscera Anatomy 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 238000003325 tomography Methods 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
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- 208000012661 Dyskinesia Diseases 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
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- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
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- 238000005286 illumination Methods 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
- 238000003546 multiplexed readout Methods 0.000 description 1
- 230000017311 musculoskeletal movement, spinal reflex action Effects 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000010396 two-hybrid screening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2006—Measuring radiation intensity with scintillation detectors using a combination of a scintillator and photodetector which measures the means radiation intensity
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/588—Setting distance between source unit and detector unit
-
- 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
-
- 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
- G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
-
- 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
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
図7に示すフラットパネル検出器700の少なくとも1つの実施形態は、プリペイシェント・コリメータの周波数で分離された少なくとも2つのアクティブ条片752を有する。これらのアクティブ条片は検出器素子の1つ又は複数のアクティブ・ラインを含むことができる。アクティブ・ライン754相互の間のデッド・スペース764は接続及びパッケージ化のために使用することができる。この実施形態は、検出器列が単結晶の直接変換物質で構成される場合に特に有用なことがある。この構成では、一次検出器列相互の間の領域(すなわち、デッド・スペース754)が、散乱を測定するための1つ又は複数のアクティブ列を持つことができる。
12、212 X線源
14、214 X線ビーム
16、216 患者
18、218 プリペイシェント・コリメータ
20、220 テーブル
22、222 フラットパネル検出器
26、226 処理装置
28、228 ビデオ処理装置
30、230 表示装置
40、240 スロット
42、242 ビーム・セグメント(ビーム部分)
215、219 X線コリメータ
224 ポストペイシェント・コリメータ
241 散乱したビーム部分
243 一次放射線
244 スロット
600 フラットパネル検出器
650、652 ライン
752 アクティブ条片
754 アクティブ・ライン
870 一次領域
872 シンチレータ列
Claims (2)
- X線デバイス(10,210)を使用して対象物(16,216)の像を形成する方法(900,1000)であって、
複数のビームセグメント(42,242)の少なくとも1つを使用して対象物(16,216)を走査するスキャナ・モードと全視野(FOV)モードを選択する段階と、
通常のX線源(12,212)を使用してX線ビーム(14,214)を発生する段階と、
前記選択する段階でスキャナモードを選択した場合に、前記X線ビーム(14,214)から前記複数のビーム・セグメント(42,242)を生成する段階と、
前記選択する段階でスキャナモードを選択した場合に、焦点からのX線を、スロットの内の少なくとも一つを通し形成されたビームセグメント(42,242)が、前記対象物(16,216)を走査するようにフラットパネル検出器(22,222)に対して相対的に移動するポストペイシェント・コリメータ(224)を使用する段階と、
前記フラットパネル検出器(22,222)上にX線像を生成する段階と、
を含んでいる方法(900,1000)。 - 取外し可能なプリペイシェント・コリメータ(18,218)を使用して前記複数のビームセグメント(42,242)を形成する段階を含んでいる、請求項1記載の方法(900,1000)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/990,267 US7200201B2 (en) | 2004-11-16 | 2004-11-16 | Flat panel detector based slot scanning configuration |
US10/990,267 | 2004-11-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006142009A JP2006142009A (ja) | 2006-06-08 |
JP5156186B2 true JP5156186B2 (ja) | 2013-03-06 |
Family
ID=36241815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005319189A Expired - Fee Related JP5156186B2 (ja) | 2004-11-16 | 2005-11-02 | フラットパネル検出器をベースとしたスロット走査構成 |
Country Status (4)
Country | Link |
---|---|
US (3) | US7200201B2 (ja) |
JP (1) | JP5156186B2 (ja) |
DE (1) | DE102005054824A1 (ja) |
FR (1) | FR2877829A1 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7627084B2 (en) | 2007-03-30 | 2009-12-01 | General Electric Compnay | Image acquisition and processing chain for dual-energy radiography using a portable flat panel detector |
US7812314B1 (en) * | 2007-11-06 | 2010-10-12 | The United Sttes of America as represented by the United States Department of Energy | Flat panel X-ray detector with reduced internal scattering for improved attenuation accuracy and dynamic range |
US20090213984A1 (en) * | 2008-02-26 | 2009-08-27 | United Technologies Corp. | Computed Tomography Systems and Related Methods Involving Post-Target Collimation |
US7639777B2 (en) * | 2008-02-26 | 2009-12-29 | United Technologies Corp. | Computed tomography systems and related methods involving forward collimation |
US20090225954A1 (en) * | 2008-03-06 | 2009-09-10 | United Technologies Corp. | X-Ray Collimators, and Related Systems and Methods Involving Such Collimators |
US8238521B2 (en) * | 2008-03-06 | 2012-08-07 | United Technologies Corp. | X-ray collimators, and related systems and methods involving such collimators |
US7876875B2 (en) * | 2008-04-09 | 2011-01-25 | United Technologies Corp. | Computed tomography systems and related methods involving multi-target inspection |
US7888647B2 (en) * | 2008-04-30 | 2011-02-15 | United Technologies Corp. | X-ray detector assemblies and related computed tomography systems |
US20090274264A1 (en) * | 2008-04-30 | 2009-11-05 | United Technologies Corp. | Computed Tomography Systems and Related Methods Involving Localized Bias |
WO2010082687A2 (en) * | 2009-01-15 | 2010-07-22 | Canon Kabushiki Kaisha | X-ray imaging apparatus and method of x-ray imaging |
WO2010126445A1 (en) * | 2009-04-29 | 2010-11-04 | Xcounter Ab | Computed tomography scanning system |
KR101599028B1 (ko) * | 2009-07-23 | 2016-03-03 | 삼성전자주식회사 | 산란 감소를 위한 x-선 촬영 장치 및 방법 |
CN103415253B (zh) | 2010-12-09 | 2015-11-25 | 皇家飞利浦电子股份有限公司 | 用于计算机断层摄影(ct)的患者后动态过滤器 |
CN103892850B (zh) * | 2012-12-28 | 2019-10-01 | 通用电气公司 | 用于ct系统的限束器 |
GB201308818D0 (en) | 2013-05-16 | 2013-07-03 | Ibex Innovations Ltd | X-ray detector apparatus |
GB201308851D0 (en) | 2013-05-16 | 2013-07-03 | Ibex Innovations Ltd | Multi-spectral x-ray detection apparatus |
GB201308876D0 (en) | 2013-05-16 | 2013-07-03 | Ibex Innovations Ltd | X-Ray imaging apparatus and methods |
US10762998B2 (en) | 2014-11-20 | 2020-09-01 | Viken Detection Corporation | X-ray scanning system |
DE102016221205B4 (de) | 2016-10-27 | 2018-07-26 | Siemens Healthcare Gmbh | Verfahren zur Erzeugung von Röntgenbildern und Röntgensystem |
GB2560165B (en) * | 2017-02-25 | 2022-03-23 | The Nottingham Trent Univ | Sample inspection apparatus employing a diffraction detector |
CN110325846B (zh) | 2017-02-25 | 2022-10-28 | 诺丁汉特伦特大学 | 采用衍射检测器的样本检查设备 |
US10770195B2 (en) | 2017-04-05 | 2020-09-08 | Viken Detection Corporation | X-ray chopper wheel assembly |
US10729394B1 (en) | 2017-07-18 | 2020-08-04 | Carestream Health, Inc. | Portable scanning system for imaging patients |
US11241207B2 (en) * | 2017-08-17 | 2022-02-08 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Services | Hybrid CT system with additional detectors in close proximity to the body |
US20190145916A1 (en) * | 2017-11-16 | 2019-05-16 | XRD by Design LLC | Compact, Low Cost Apparatus for Testing of Production and Counterfeit Pharmaceuticals and Other Crystalline Materials |
EP3553507A1 (en) * | 2018-04-13 | 2019-10-16 | Malvern Panalytical B.V. | X-ray analysis apparatus |
WO2021247615A1 (en) * | 2020-06-02 | 2021-12-09 | Viken Detection Corporation | X-ray imaging apparatus and method |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
NL8601678A (nl) * | 1986-06-26 | 1988-01-18 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor spleetradiografie. |
JPH05161638A (ja) * | 1991-12-12 | 1993-06-29 | Toshiba Corp | X線診断装置 |
JP3230618B2 (ja) * | 1993-03-05 | 2001-11-19 | 株式会社日立メディコ | 放射線立体像撮影装置 |
US6035013A (en) * | 1994-06-01 | 2000-03-07 | Simage O.Y. | Radiographic imaging devices, systems and methods |
JPH0970401A (ja) * | 1995-09-04 | 1997-03-18 | Canon Inc | 放射線撮影装置 |
AU7368798A (en) * | 1997-05-06 | 1998-11-27 | Quanta Vision | Tissue analysis apparatus |
JP2000262515A (ja) * | 1999-03-19 | 2000-09-26 | Fuji Photo Film Co Ltd | 放射線画像撮影方法及び装置 |
US6501819B2 (en) | 2000-12-18 | 2002-12-31 | Ge Medical Systems Global Technology Company, Llc | Medical diagnostic method and apparatus to control dual energy exposure techniques based on image information |
EP1402248A1 (en) * | 2001-06-20 | 2004-03-31 | Koninklijke Philips Electronics N.V. | X-ray device for medical examination and method of improving the image quality thereof |
SE523589C2 (sv) * | 2002-02-15 | 2004-05-04 | Xcounter Ab | Apparat och metod för detektering av strålning med användning av skanning |
US7099428B2 (en) * | 2002-06-25 | 2006-08-29 | The Regents Of The University Of Michigan | High spatial resolution X-ray computed tomography (CT) system |
-
2004
- 2004-11-16 US US10/990,267 patent/US7200201B2/en active Active
-
2005
- 2005-11-02 JP JP2005319189A patent/JP5156186B2/ja not_active Expired - Fee Related
- 2005-11-10 FR FR0511434A patent/FR2877829A1/fr not_active Withdrawn
- 2005-11-15 DE DE102005054824A patent/DE102005054824A1/de not_active Withdrawn
-
2006
- 2006-06-28 US US11/477,037 patent/US7286636B2/en active Active
-
2007
- 2007-08-16 US US11/839,783 patent/US20080170661A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US7200201B2 (en) | 2007-04-03 |
DE102005054824A1 (de) | 2006-05-18 |
US7286636B2 (en) | 2007-10-23 |
US20060251214A1 (en) | 2006-11-09 |
US20060104415A1 (en) | 2006-05-18 |
US20080170661A1 (en) | 2008-07-17 |
JP2006142009A (ja) | 2006-06-08 |
FR2877829A1 (fr) | 2006-05-19 |
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