JP4753602B2 - 静止型コンピュータ断層撮影システム及び方法 - Google Patents
静止型コンピュータ断層撮影システム及び方法 Download PDFInfo
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- JP4753602B2 JP4753602B2 JP2005094399A JP2005094399A JP4753602B2 JP 4753602 B2 JP4753602 B2 JP 4753602B2 JP 2005094399 A JP2005094399 A JP 2005094399A JP 2005094399 A JP2005094399 A JP 2005094399A JP 4753602 B2 JP4753602 B2 JP 4753602B2
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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
- A61B6/02—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
- A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
- A61B6/4014—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units arranged in multiple source-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
- A61B6/42—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
- A61B6/4275—Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
-
- 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
- A61B6/4452—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being able to move relative to each other
-
- 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
-
- 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
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
12 スキャナ
14 テーブル
30 分布形X線源
32 電子ビーム・エミッタ
34 ターゲット
35 開口
36 電子ビーム
37 妨害のない経路
38 X線ビーム
40 コリメータ
42 開口
44 コリメートされたビーム
46 検出器
48 検出器素子
50 信号処理回路
51 撮像ボリューム
52、54 検出器
56 分布形放射線源
57、59 線源位置
58 線源
60、62 検出器
71 領域
72、74 分布形放射線源
73、75、79、81 線源位置
76、82 検出器
78、80 線源
88、98 線源
89、99 線源位置
94、104、114、116、126、128 検出器部分
108 線源
109 線源位置
134、136、138、140 線源
148 検出器
Claims (1)
- 静止型のイメージング・システムであって、
撮像ボリューム(51)の所望の部分を実質的に取り囲んでいると共に、前記撮像ボリューム(51)の周りの複数の個別の線源位置(57,59)から放射線ビーム(38)を放出するように構成されている複数の分布形放射線源(56,58)と、
前記分布形放射線源(56,58)の内側に配置された複数の放射線検出器であって、前記撮像ボリューム(51)の所望の部分を透過した放射線ビーム(38)を受け取るように構成されている複数の検出器(52,54,60,62)とを含み、
前記複数の検出器(52,54,60,62)の内の、第1及び第2の検出器(52,54)は体軸方向において、互いに離れる方向に移動し、第1の線源位置(57)に対する開口(35)を開くように変位可能であって、前記第1及び第2の検出器(52,54)に対向する位置に配置された第3及び第4の検出器(60,62)は第2の線源位置(59)に対する開口(35)が閉じた状態に固定されて静止することにより、前記第1の線源位置(57)から前記撮像ボリューム(51)の所望の部分に照射するために放射線ビーム(38)に対して且つそれぞれが前記体軸方向に複数の検出器素子の列を有する前記第3及び第4の検出器(60,62)が該放射線ビーム(38)を受け取るために前記第1及び第2の検出器(52,54)が前記第3及び第4の検出器(60,62)に対して妨害のない経路(37)を生じさせ、
前記第3及び第4の検出器(60,62)は体軸方向において、互いに離れる方向に移動し、前記第2の線源位置(59)に対する開口(35)を開くように変位可能であって、前記第3及び第4の検出器(60,62)に対向する位置に配置された前記第1及び第2の検出器(52,54)は前記第1の線源位置(57)に対する開口(35)が閉じた状態に固定されて静止することにより、前記第2の線源位置(59)から前記撮像ボリューム(51)の所望の部分に照射するために放射線ビーム(38)に対して且つそれぞれが前記体軸方向に複数の検出器素子の列を有する前記第1及び第2の検出器(52,54)が該放射線ビーム(38)を受け取るために前記第3及び第4の検出器(60,62)が前記第1及び第2の検出器(52,54)に対して妨害のない経路(37)を生じさせることを特徴とするイメージング・システム(10)。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/814,537 | 2004-03-31 | ||
| US10/814,537 US7142629B2 (en) | 2004-03-31 | 2004-03-31 | Stationary computed tomography system and method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005288162A JP2005288162A (ja) | 2005-10-20 |
| JP2005288162A5 JP2005288162A5 (ja) | 2008-05-15 |
| JP4753602B2 true JP4753602B2 (ja) | 2011-08-24 |
Family
ID=35034278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005094399A Expired - Fee Related JP4753602B2 (ja) | 2004-03-31 | 2005-03-29 | 静止型コンピュータ断層撮影システム及び方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7142629B2 (ja) |
| JP (1) | JP4753602B2 (ja) |
| CN (1) | CN1676102B (ja) |
| DE (1) | DE102005014073A1 (ja) |
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| US7963695B2 (en) | 2002-07-23 | 2011-06-21 | Rapiscan Systems, Inc. | Rotatable boom cargo scanning system |
| US8223919B2 (en) | 2003-04-25 | 2012-07-17 | Rapiscan Systems, Inc. | X-ray tomographic inspection systems 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 |
| US8243876B2 (en) | 2003-04-25 | 2012-08-14 | Rapiscan Systems, Inc. | X-ray scanners |
| US9113839B2 (en) | 2003-04-25 | 2015-08-25 | Rapiscon Systems, Inc. | X-ray inspection system and method |
| GB0525593D0 (en) | 2005-12-16 | 2006-01-25 | Cxr Ltd | X-ray tomography inspection systems |
| US8451974B2 (en) | 2003-04-25 | 2013-05-28 | Rapiscan Systems, Inc. | X-ray tomographic inspection system for the identification of specific target items |
| US8837669B2 (en) | 2003-04-25 | 2014-09-16 | Rapiscan Systems, Inc. | X-ray scanning system |
| US6928141B2 (en) | 2003-06-20 | 2005-08-09 | Rapiscan, Inc. | Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers |
| US7558374B2 (en) * | 2004-10-29 | 2009-07-07 | General Electric Co. | System and method for generating X-rays |
| US7471764B2 (en) | 2005-04-15 | 2008-12-30 | Rapiscan Security Products, Inc. | X-ray imaging system having improved weather resistance |
| WO2006135837A1 (en) * | 2005-06-10 | 2006-12-21 | Xoran Technologies, Inc. | Multiple source ct scanner |
| US7295651B2 (en) * | 2005-06-30 | 2007-11-13 | General Electric Company | Stationary computed tomography system and method |
| US7706499B2 (en) * | 2006-08-30 | 2010-04-27 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
| US7835486B2 (en) * | 2006-08-30 | 2010-11-16 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
| US7616731B2 (en) * | 2006-08-30 | 2009-11-10 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
| DE102007008349B4 (de) * | 2007-02-20 | 2009-10-15 | Forschungszentrum Dresden - Rossendorf E.V. | Anordnung zur Röntgen-Computertomographie |
| JP5513710B2 (ja) * | 2007-09-26 | 2014-06-04 | 株式会社東芝 | X線ct装置 |
| JP5575666B2 (ja) * | 2008-02-22 | 2014-08-20 | コーニンクレッカ フィリップス エヌ ヴェ | 分散型線源によるx線イメージングのための高解像度の略静的セットアップ |
| GB0803644D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
| GB0803641D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
| GB0809110D0 (en) | 2008-05-20 | 2008-06-25 | Rapiscan Security Products Inc | Gantry scanner systems |
| RU2529478C2 (ru) * | 2009-01-21 | 2014-09-27 | Конинклейке Филипс Электроникс Н.В. | Способ и устройство для формирования изображений в большом поле зрения, и детектирования и компенсации артефактов движения |
| US9271689B2 (en) * | 2010-01-20 | 2016-03-01 | General Electric Company | Apparatus for wide coverage computed tomography and method of constructing same |
| CN102793552B (zh) * | 2011-05-23 | 2014-05-21 | 北京东方惠尔图像技术有限公司 | Ct图像采集装置及ct扫描成像系统 |
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2004
- 2004-03-31 US US10/814,537 patent/US7142629B2/en not_active Expired - Lifetime
-
2005
- 2005-03-23 DE DE102005014073A patent/DE102005014073A1/de not_active Withdrawn
- 2005-03-29 JP JP2005094399A patent/JP4753602B2/ja not_active Expired - Fee Related
- 2005-03-31 CN CN200510065145.0A patent/CN1676102B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1676102A (zh) | 2005-10-05 |
| DE102005014073A1 (de) | 2005-10-20 |
| US7142629B2 (en) | 2006-11-28 |
| JP2005288162A (ja) | 2005-10-20 |
| CN1676102B (zh) | 2010-04-07 |
| US20050226363A1 (en) | 2005-10-13 |
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