JP2016030215A - Ct検出器 - Google Patents
Ct検出器 Download PDFInfo
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- JP2016030215A JP2016030215A JP2015140930A JP2015140930A JP2016030215A JP 2016030215 A JP2016030215 A JP 2016030215A JP 2015140930 A JP2015140930 A JP 2015140930A JP 2015140930 A JP2015140930 A JP 2015140930A JP 2016030215 A JP2016030215 A JP 2016030215A
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- detector
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- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000002591 computed tomography Methods 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000013440 design planning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000013439 planning 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
- G01T1/2002—Optical details, e.g. reflecting or diffusing layers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
-
- 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]
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
102 検出対象物
103 検出器
301 検出器モジュール
302 コリメータプレート
303 シンチレータ
304 光電受光ダイオード
305 モジュール台座
306 隙間
307 グリッド
1031 検出器モジュール
1032 検出器モジュール
Claims (10)
- CT検出器であって、
間に隙間(306)を有し、2次元離散画素を構成するための複数のシンチレータ(303)を含む検出器モジュール(301)と、
X線を対応する前記2次元離散画素に誘導するための、前記検出器モジュール(301)の、前記X線を受ける一面の上方に配置されたコリメータプレート(302)と
を備え、
前記CT検出器は、
前記X線が前記隙間(306)に放射されるのを阻止するために、前記検出器モジュール(301)と前記コリメータプレート(302)との間に配置されたグリッド(307)をさらに備える、CT検出器。 - 前記グリッド(307)は、交差する2方向における前記隙間(306)に設けられており、前記方向の少なくとも一方に破断接合部を有している、請求項1に記載のCT検出器。
- 前記グリッド(307)は、一方向における前記隙間(306)に設けられており、前記方向に破断接合部を有している、請求項1に記載のCT検出器。
- 前記グリッド(307)は、80マイクロメートル〜10ミリメートルの厚さを有する、請求項2に記載のCT検出器。
- 前記グリッド(307)のグリッド線は、10マイクロメートル〜700マイクロメートルの幅を有する、請求項2に記載のCT検出器。
- 前記グリッド(307)内の隣接する2つのグリッド線は、0.08ミリメートル〜3ミリメートルのピッチを有する、請求項2に記載のCT検出器。
- 前記グリッド(307)は、タングステン若しくは高密度合金を含むか、または前記X線を強く吸収するための複合材料から作製される、請求項2に記載のCT検出器。
- 前記グリッド(307)は、前記隙間(306)に非対称に設けられる、請求項2に記載のCT検出器。
- 前記グリッド(307)は、前記隙間(306)に対称に設けられている、請求項2に記載のCT検出器。
- 前記CT検出器は、ポリライン形状に構成されている複数の検出器モジュール(301)を備えている、請求項1乃至9のいずれか1項に記載のCT検出器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410360281.1A CN105266835A (zh) | 2014-07-25 | 2014-07-25 | 一种ct探测器 |
CN201410360281.1 | 2014-07-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016030215A true JP2016030215A (ja) | 2016-03-07 |
JP6548219B2 JP6548219B2 (ja) | 2019-07-24 |
Family
ID=53879306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015140930A Active JP6548219B2 (ja) | 2014-07-25 | 2015-07-15 | Ct検出器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160025867A1 (ja) |
EP (1) | EP2977792B1 (ja) |
JP (1) | JP6548219B2 (ja) |
CN (1) | CN105266835A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10058293B2 (en) | 2016-02-19 | 2018-08-28 | Morpho Detection, Llc | Detector assemblies and methods for helical CT scanning |
CN108121014A (zh) * | 2017-12-07 | 2018-06-05 | 公安部第三研究所 | 立体视角散射阵列探测系统及方法 |
CN108577880B (zh) * | 2018-05-18 | 2022-05-27 | 上海联影医疗科技股份有限公司 | 防散射栅格及ct探测系统 |
CN110123355B (zh) * | 2019-05-30 | 2023-03-31 | 东软医疗系统股份有限公司 | 探测系统 |
CN111067555A (zh) * | 2019-12-25 | 2020-04-28 | 上海联影医疗科技有限公司 | Ct探测器 |
CN117064422A (zh) * | 2023-09-13 | 2023-11-17 | 北京富通康影科技有限公司 | 一种ct探测器抗散射滤线栅 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012152304A (ja) * | 2011-01-25 | 2012-08-16 | Hitachi Medical Corp | X線検出器及びそれを備えたx線ct装置 |
JP2013040859A (ja) * | 2011-08-17 | 2013-02-28 | Toshiba Corp | X線検出器及びx線ct装置 |
CN103135121A (zh) * | 2011-11-28 | 2013-06-05 | Ge医疗系统环球技术有限公司 | 用于消除串扰的线段形模块ct探测器和方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6304626B1 (en) * | 1998-10-20 | 2001-10-16 | Kabushiki Kaisha Toshiba | Two-dimensional array type of X-ray detector and computerized tomography apparatus |
DE10142531A1 (de) * | 2001-08-30 | 2003-03-20 | Philips Corp Intellectual Pty | Sensoranordnung aus licht- und/oder röntgenstrahlungsempfindlichen Sensoren |
KR101125284B1 (ko) * | 2010-02-03 | 2012-03-21 | 주식회사 디알텍 | 엑스선 그리드 및 그 제조 방법 |
JP5660910B2 (ja) * | 2010-03-30 | 2015-01-28 | 富士フイルム株式会社 | 放射線画像撮影用グリッドの製造方法 |
DE102010020610A1 (de) * | 2010-05-14 | 2011-11-17 | Siemens Aktiengesellschaft | Strahlendetektor und Verfahren zur Herstellung eines Strahlendetektors |
CN103222010A (zh) * | 2010-10-08 | 2013-07-24 | 海龟湾合伙有限责任公司 | 三维聚焦防散射栅格及其制造方法 |
DE102011103851B4 (de) * | 2011-05-26 | 2019-05-29 | Siemens Healthcare Gmbh | Gittermodul eines Streustrahlungsgitters, modulares Streustrahlungsgitter, CT-Detektor und CT-System |
-
2014
- 2014-07-25 CN CN201410360281.1A patent/CN105266835A/zh active Pending
-
2015
- 2015-07-15 JP JP2015140930A patent/JP6548219B2/ja active Active
- 2015-07-20 EP EP15177549.1A patent/EP2977792B1/en active Active
- 2015-07-24 US US14/807,906 patent/US20160025867A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012152304A (ja) * | 2011-01-25 | 2012-08-16 | Hitachi Medical Corp | X線検出器及びそれを備えたx線ct装置 |
JP2013040859A (ja) * | 2011-08-17 | 2013-02-28 | Toshiba Corp | X線検出器及びx線ct装置 |
CN103135121A (zh) * | 2011-11-28 | 2013-06-05 | Ge医疗系统环球技术有限公司 | 用于消除串扰的线段形模块ct探测器和方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2977792B1 (en) | 2018-06-13 |
EP2977792A1 (en) | 2016-01-27 |
US20160025867A1 (en) | 2016-01-28 |
CN105266835A (zh) | 2016-01-27 |
JP6548219B2 (ja) | 2019-07-24 |
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