CN111133532B - 用于光子计数计算机断层摄影的低轮廓防散射和防电荷共享光栅 - Google Patents
用于光子计数计算机断层摄影的低轮廓防散射和防电荷共享光栅 Download PDFInfo
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- CN111133532B CN111133532B CN201880062054.7A CN201880062054A CN111133532B CN 111133532 B CN111133532 B CN 111133532B CN 201880062054 A CN201880062054 A CN 201880062054A CN 111133532 B CN111133532 B CN 111133532B
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—HANDLING OF 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
-
- 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
- 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
-
- 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
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/241—Electrode arrangements, e.g. continuous or parallel strips or the like
-
- 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
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/244—Auxiliary details, e.g. casings, cooling, damping or insulation against damage by, e.g. heat, pressure or the like
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Radiation (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 |
|---|---|---|---|
| EP17186194.1 | 2017-08-14 | ||
| EP17186194.1A EP3444826A1 (en) | 2017-08-14 | 2017-08-14 | Low profile anti scatter and anti charge sharing grid for photon counting computed tomography |
| PCT/EP2018/072018 WO2019034650A1 (en) | 2017-08-14 | 2018-08-14 | ANTI-DISPERSAL GRID AND LOW PROFILE LOAD DISPERSION FOR TOMODENSITOMETRY WITH PHOTON COUNTING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111133532A CN111133532A (zh) | 2020-05-08 |
| CN111133532B true CN111133532B (zh) | 2023-11-17 |
Family
ID=59677043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880062054.7A Active CN111133532B (zh) | 2017-08-14 | 2018-08-14 | 用于光子计数计算机断层摄影的低轮廓防散射和防电荷共享光栅 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11152129B2 (enExample) |
| EP (2) | EP3444826A1 (enExample) |
| JP (1) | JP7118133B2 (enExample) |
| CN (1) | CN111133532B (enExample) |
| WO (1) | WO2019034650A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11320545B2 (en) * | 2020-07-07 | 2022-05-03 | GE Precision Healthcare LLC | Systems and methods for improved medical imaging |
Citations (7)
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|---|---|---|---|---|
| JP2008506945A (ja) * | 2004-07-14 | 2008-03-06 | オーボテック メディカル ソリューションズ リミティド | 放射線検出器ヘッド |
| DE102009031481A1 (de) * | 2008-07-03 | 2010-02-11 | Ohnesorge, Frank, Dr. | Konzept für optische (Fernfeld-/Fresnel-Regime aber auch Nahfeld-) Mikroskopie/Spektroskopie unterhalb/jenseits des Beugungslimits - Anwendungen für optisches (aber auch elektronisches) schnelles Auslesen von ultrakleinen Speicherzellen in Form von lumineszierenden Quantentrögen - sowie in der Biologie/Kristallographie |
| CN103364419A (zh) * | 2012-04-04 | 2013-10-23 | 通用电气公司 | 用于多能计算机断层扫描成像的系统和方法 |
| CN103648388A (zh) * | 2011-07-04 | 2014-03-19 | 皇家飞利浦有限公司 | 相位对比度成像设备 |
| CN103765244A (zh) * | 2011-08-30 | 2014-04-30 | 皇家飞利浦有限公司 | 光子计数探测器 |
| CN104569002A (zh) * | 2013-10-23 | 2015-04-29 | 北京纳米维景科技有限公司 | 基于光子计数的x射线相衬成像系统、方法及其设备 |
| CN106575533A (zh) * | 2014-08-05 | 2017-04-19 | 皇家飞利浦有限公司 | 用于x射线成像设备的光栅设备 |
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| US4875227A (en) * | 1986-12-06 | 1989-10-17 | Rossi Remo J | Anti-scatter grid system |
| FR2830976B1 (fr) | 2001-10-17 | 2004-01-09 | Ge Med Sys Global Tech Co Llc | Grilles anti-diffusantes a faible attenuation et procede de fabrication de telles grilles |
| DE10202987A1 (de) | 2002-01-26 | 2003-07-31 | Philips Intellectual Property | Gitter zur Absorption von Röntgenstrahlung |
| SE524731C2 (sv) * | 2002-06-07 | 2004-09-21 | Xcounter Ab | Metod och apparat för detektering av joniserande strålning |
| US7072446B2 (en) | 2003-05-13 | 2006-07-04 | Analogic Corporation | Method for making X-ray anti-scatter grid |
| DE10354808A1 (de) * | 2003-11-21 | 2005-06-30 | Siemens Ag | Verfahren zur Abschattung von Streustrahlung vor einem Detektorarray |
| EP1779138A2 (en) | 2004-08-12 | 2007-05-02 | Philips Intellectual Property & Standards GmbH | Anti-scatter-grid for a radiation detector |
| US8581200B2 (en) * | 2006-11-17 | 2013-11-12 | Koninklijke Philips N.V. | Radiation detector with multiple electrodes on a sensitive layer |
| US7486764B2 (en) * | 2007-01-23 | 2009-02-03 | General Electric Company | Method and apparatus to reduce charge sharing in pixellated energy discriminating detectors |
| US20090008564A1 (en) * | 2007-07-05 | 2009-01-08 | Cmt Medical Technologies Ltd. | Modular X-Ray Detector With Single Photon Counting, Energy Sensitivity And Integration Capabilities |
| US8418348B2 (en) | 2008-07-22 | 2013-04-16 | Shimadzu Corporation | Manufacturing method of scattered radiation removing grid |
| WO2010018617A1 (ja) | 2008-08-11 | 2010-02-18 | 株式会社島津製作所 | 放射線グリッドおよびそれを備えた放射線撮影装置 |
| US8183535B2 (en) * | 2009-02-11 | 2012-05-22 | Mats Danielsson | Silicon detector assembly for X-ray imaging |
| US20130168567A1 (en) * | 2011-12-28 | 2013-07-04 | General Electric Company | Collimator for a pixelated detector |
| US20160206255A1 (en) * | 2015-01-16 | 2016-07-21 | Kabushiki Kaisha Toshiba | Hybrid passive/active multi-layer energy discriminating photon-counting detector |
| JP6470986B2 (ja) * | 2015-01-28 | 2019-02-13 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 放射線検出器及び放射線断層撮影装置 |
| WO2016209138A1 (en) * | 2015-06-26 | 2016-12-29 | Prismatic Sensors Ab | Scatter estimation and/or correction in x-ray imaging |
| US10267928B2 (en) * | 2015-11-26 | 2019-04-23 | Koninklijke Philips N.V. | Dark current compensation |
| JP6721682B2 (ja) * | 2015-12-03 | 2020-07-15 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 放射線検出器及び撮像装置 |
| JP6456854B2 (ja) * | 2016-01-12 | 2019-01-23 | 株式会社日立製作所 | 放射線撮像装置 |
| EP3545534B1 (en) * | 2016-11-24 | 2020-04-29 | Koninklijke Philips N.V. | Anti-scatter grid assembly for detector arrangement |
| US10222489B2 (en) * | 2017-03-13 | 2019-03-05 | General Electric Company | Pixel-design for use in a radiation detector |
| US11224389B2 (en) * | 2017-04-17 | 2022-01-18 | The Regents Of The University Of Colorado, A Body Corporate | Radiation transmission grid apparatus and methods for x-ray imaging detectors |
| US10779778B2 (en) * | 2017-05-08 | 2020-09-22 | General Electric Company | Reference detector elements in conjunction with an anti-scatter collimator |
| US10610191B2 (en) * | 2017-07-06 | 2020-04-07 | Prismatic Sensors Ab | Managing geometric misalignment in x-ray imaging systems |
| WO2020106197A1 (en) * | 2018-11-19 | 2020-05-28 | Prismatic Sensors Ab | X-ray imaging system for phase contrast imaging using photon-counting events |
-
2017
- 2017-08-14 EP EP17186194.1A patent/EP3444826A1/en not_active Withdrawn
-
2018
- 2018-08-14 JP JP2020507557A patent/JP7118133B2/ja not_active Expired - Fee Related
- 2018-08-14 CN CN201880062054.7A patent/CN111133532B/zh active Active
- 2018-08-14 WO PCT/EP2018/072018 patent/WO2019034650A1/en not_active Ceased
- 2018-08-14 EP EP18752496.2A patent/EP3669381A1/en not_active Withdrawn
- 2018-08-14 US US16/637,876 patent/US11152129B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008506945A (ja) * | 2004-07-14 | 2008-03-06 | オーボテック メディカル ソリューションズ リミティド | 放射線検出器ヘッド |
| DE102009031481A1 (de) * | 2008-07-03 | 2010-02-11 | Ohnesorge, Frank, Dr. | Konzept für optische (Fernfeld-/Fresnel-Regime aber auch Nahfeld-) Mikroskopie/Spektroskopie unterhalb/jenseits des Beugungslimits - Anwendungen für optisches (aber auch elektronisches) schnelles Auslesen von ultrakleinen Speicherzellen in Form von lumineszierenden Quantentrögen - sowie in der Biologie/Kristallographie |
| CN103648388A (zh) * | 2011-07-04 | 2014-03-19 | 皇家飞利浦有限公司 | 相位对比度成像设备 |
| CN103765244A (zh) * | 2011-08-30 | 2014-04-30 | 皇家飞利浦有限公司 | 光子计数探测器 |
| CN103364419A (zh) * | 2012-04-04 | 2013-10-23 | 通用电气公司 | 用于多能计算机断层扫描成像的系统和方法 |
| CN104569002A (zh) * | 2013-10-23 | 2015-04-29 | 北京纳米维景科技有限公司 | 基于光子计数的x射线相衬成像系统、方法及其设备 |
| CN106575533A (zh) * | 2014-08-05 | 2017-04-19 | 皇家飞利浦有限公司 | 用于x射线成像设备的光栅设备 |
Non-Patent Citations (1)
| Title |
|---|
| 基于SiPM的阵列式X射线背散探测器设计;李维姣;邬小玫;王威琪;沈天明;陈嘉敏;;仪器仪表学报(05);1034-1041 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3444826A1 (en) | 2019-02-20 |
| US11152129B2 (en) | 2021-10-19 |
| CN111133532A (zh) | 2020-05-08 |
| EP3669381A1 (en) | 2020-06-24 |
| JP7118133B2 (ja) | 2022-08-15 |
| US20200251236A1 (en) | 2020-08-06 |
| WO2019034650A1 (en) | 2019-02-21 |
| JP2020530903A (ja) | 2020-10-29 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant |