JP2005189236A - 自己整列シンチレータ・コリメータ組立体 - Google Patents
自己整列シンチレータ・コリメータ組立体 Download PDFInfo
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- JP2005189236A JP2005189236A JP2004343601A JP2004343601A JP2005189236A JP 2005189236 A JP2005189236 A JP 2005189236A JP 2004343601 A JP2004343601 A JP 2004343601A JP 2004343601 A JP2004343601 A JP 2004343601A JP 2005189236 A JP2005189236 A JP 2005189236A
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000013170 computed tomography imaging Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000002591 computed tomography Methods 0.000 description 28
- 238000003491 array Methods 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 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
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
-
- 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
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
- H01L27/14658—X-ray, gamma-ray or corpuscular radiation imagers
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Heart & Thoracic Surgery (AREA)
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- Radiology & Medical Imaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
【解決手段】シンチレータ・モジュールは、互いに対して平行に整列した複数のシンチレータ57を有するシンチレータ・アレイを含む。コリメータ組立体103は、多数の歯106、108を有するコーム102と、シンチレータ・アレイに近接して配置された複数のコリメータ・プレート104とを含む。シンチレータ・アレイは、該シンチレータ・アレイから延びる少なくとも1つの位置合せピン100を含む。位置合せピン100は、コーム102に係合し、コリメータ・プレート104に対するシンチレータ・アレイの整列を向上させるように構成される。
【選択図】図5
Description
56 シンチレータ・アレイ
57 シンチレータ
77 検出器フレーム
100 位置合せピン
102 コーム
103 コリメータ組立体
104 コリメータ・プレート
106 第1の組の歯
108 第2の組の歯
Claims (10)
- 放射線エネルギー源(14)からの放射線エネルギー(16)が入射するように構成された少なくとも1つのシンチレータ(57)を含むシンチレータ・モジュール(56)と、
前記シンチレータ・モジュール(56)に結合された少なくとも1つの位置合せピン(100)と、
複数のコリメータ素子(104)と、前記複数のコリメータ素子(104)の相対位置を定めるように構成されかつその一部が前記少なくとも1つの位置合せピン(100)に係合するように構成された複数の歯(106、108)とを有するコリメータ組立体(103)と、
を含むCT検出器。 - 前記少なくとも1つのシンチレータ(57)が、シンチレータ・アレイ(56)内に均一に配列された複数のシンチレータを含む、請求項1記載のCT検出器。
- 前記複数の歯(106、108)の少なくとも2つが、位置合せピン(100)を囲んで側面に位置するように構成されている、請求項1記載のCT検出器。
- 前記複数の歯(106、108)が、第1の方向に延びる第1の組の歯(106)と、前記第1の方向にほぼ直交する第2の方向に延びる第2の組の歯(108)とを有する、請求項1記載のCT検出器。
- 前記位置合せピン(100)が、前記第2の組の歯(108)の少なくとも2つの歯によってほぼ側面を囲まれかつ該第2の組の歯(108)の側表面に当接するように構成された側表面を有する、請求項1記載のCT検出器。
- 前記少なくとも1つのシンチレータ(57)の照射を検出するように構成された少なくとも1つの光ダイオード(52)をさらに含む、請求項1記載のCT検出器。
- CTイメージング・システム(10)の回転可能なガントリ(12)内に組み込まれた、請求項1記載のCT検出器。
- 前記第1の組の歯(106)及び第2の組の歯(108)が、隣接するコリメータ素子(104)間の距離を定める、請求項1記載のCT検出器。
- 前記位置決めピン(100)が、少なくとも1つのシンチレータ(57)の幅に等しい距離だけ互いに間隔を置いた2つのコリメータ素子(104)に前記シンチレータ・モジュール(56)が重ならないように、前記コリメータ素子(104)に対して該シンチレータ・モジュール(56)を整列させるように構成されている、請求項1記載のCT検出器。
- CT検出器を製造する方法であって、
それを越えて延びる少なくとも1つのロケータを有するシンチレータ・アレイを準備するステップと、
コリメータのコリメート素子間の間隔を定めるように構成された複数の歯を有するコームを準備するステップと、
前記複数の歯の少なくとも2つの間に前記少なくとも1つのロケータを配置するステップと、
を含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48172203P | 2003-11-29 | 2003-11-29 | |
US10/711,890 US7177387B2 (en) | 2003-11-29 | 2004-10-12 | Self-aligning scintillator-collimator assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005189236A true JP2005189236A (ja) | 2005-07-14 |
JP2005189236A5 JP2005189236A5 (ja) | 2009-12-17 |
JP4628759B2 JP4628759B2 (ja) | 2011-02-09 |
Family
ID=34622749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004343601A Expired - Fee Related JP4628759B2 (ja) | 2003-11-29 | 2004-11-29 | シンチレータ・コリメータ結合体、ct検出器、およびct検出器を含むctシステムとその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7177387B2 (ja) |
JP (1) | JP4628759B2 (ja) |
CN (1) | CN100500098C (ja) |
IL (1) | IL165273A0 (ja) |
NL (1) | NL1027608C2 (ja) |
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US8275091B2 (en) | 2002-07-23 | 2012-09-25 | Rapiscan Systems, Inc. | Compact mobile cargo scanning system |
US7963695B2 (en) | 2002-07-23 | 2011-06-21 | Rapiscan Systems, Inc. | Rotatable boom cargo scanning system |
US7190759B2 (en) * | 2002-12-19 | 2007-03-13 | General Electric Company | Support structure for Z-extensible CT detectors and methods of making same |
US9113839B2 (en) | 2003-04-25 | 2015-08-25 | Rapiscon Systems, Inc. | X-ray inspection system and method |
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US8837669B2 (en) | 2003-04-25 | 2014-09-16 | Rapiscan Systems, Inc. | X-ray scanning system |
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US8451974B2 (en) * | 2003-04-25 | 2013-05-28 | Rapiscan Systems, Inc. | X-ray tomographic inspection system for the identification of specific target items |
US7949101B2 (en) * | 2005-12-16 | 2011-05-24 | Rapiscan Systems, Inc. | X-ray scanners and X-ray sources therefor |
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US8243876B2 (en) | 2003-04-25 | 2012-08-14 | Rapiscan Systems, Inc. | X-ray scanners |
US6928141B2 (en) | 2003-06-20 | 2005-08-09 | Rapiscan, Inc. | Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers |
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CN101470086B (zh) * | 2007-12-29 | 2012-11-28 | 清华大学 | 探测器装置及具有该探测器装置的ct检查系统 |
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US8890079B2 (en) * | 2012-06-29 | 2014-11-18 | General Electric Company | Radiation detection device and radiation tomographic apparatus, and method for assembling radiation detection device |
US9078569B2 (en) | 2012-08-20 | 2015-07-14 | Zhengrong Ying | Configurable data measurement and acquisition systems for multi-slice X-ray computed tomography systems |
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JP5815488B2 (ja) * | 2012-08-28 | 2015-11-17 | 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 | 放射線検出装置および放射線撮影装置 |
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2004
- 2004-10-12 US US10/711,890 patent/US7177387B2/en not_active Expired - Fee Related
- 2004-11-16 IL IL16527304A patent/IL165273A0/xx not_active IP Right Cessation
- 2004-11-26 NL NL1027608A patent/NL1027608C2/nl not_active IP Right Cessation
- 2004-11-29 CN CNB2004100973680A patent/CN100500098C/zh not_active Expired - Fee Related
- 2004-11-29 JP JP2004343601A patent/JP4628759B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
IL165273A0 (en) | 2005-12-18 |
JP4628759B2 (ja) | 2011-02-09 |
NL1027608A1 (nl) | 2005-05-31 |
CN1626036A (zh) | 2005-06-15 |
US7177387B2 (en) | 2007-02-13 |
US20050117697A1 (en) | 2005-06-02 |
CN100500098C (zh) | 2009-06-17 |
NL1027608C2 (nl) | 2006-11-21 |
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