JP6099227B2 - 高速電子ビームx線コンピュータトモグラフィ装置 - Google Patents
高速電子ビームx線コンピュータトモグラフィ装置 Download PDFInfo
- Publication number
- JP6099227B2 JP6099227B2 JP2015560551A JP2015560551A JP6099227B2 JP 6099227 B2 JP6099227 B2 JP 6099227B2 JP 2015560551 A JP2015560551 A JP 2015560551A JP 2015560551 A JP2015560551 A JP 2015560551A JP 6099227 B2 JP6099227 B2 JP 6099227B2
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- Prior art keywords
- electron beam
- longitudinal
- target
- coil
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
- H01J35/30—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by deflection of the cathode ray
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
- H01J35/112—Non-rotating anodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/153—Spot position control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/02—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/16—Vessels
- H01J2235/163—Vessels shaped for a particular application
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- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
a)真空室(2)の中に配置された電子ビーム発生器(1)と、
b)電子ビームを半径方向に偏向するための一つ又は複数の縦コイル(3)と、
c)真空室の中に配置された、電子ビーム(5)を制動するとともに、X線制動ビームを発生する単一又は多数のターゲット(4)と、
d)互いに接して並べた個別検出器から成る部分円又は全円形状の少なくとも一つのX線検出器円弧配列(6)と、
を有し、
e)電子ビーム発生器(1)は、発生した電子ビーム(5)を半径方向に対して縦コイルの主平面の方向に発射できるように配置され、
f)縦コイル(3)の周縁領域内に、一つ又は複数の制動ビームターゲット(4)が同心に配置され、
g)X線検出器円弧配列(6)が、ターゲット半径の内側又は外側に配置され、
h)X線検出器平面が、ターゲット平面に対して軸方向にずらした形又はずらさない形で配置される。
2 真空室
3 一つ又は複数の縦コイル
4 ターゲット
5 電子ビーム
6 X線検出器円弧配列
7 X線源スポット
8 物体
Claims (10)
- a)電子ビーム(5)を発生する電子ビーム発生器(1)であって、真空室(2)の中に配置された電子ビーム発生器(1)と、
b)真空室(2)の中に配置された、電子ビーム(5)を制動するとともに、X線制動ビームを発生する一つのリング形状の制動ビームターゲット(4)と、
c)電子ビーム(5)を制動ビームターゲット(4)のリング形状に関して半径方向に偏向するためのコイル磁界を発生する一つ又は複数の縦コイル(3)であって、各縦コイル(3)が、リング形状の制動ビームターゲット(4)と同心に配置されており、その結果、各縦コイル(3)の軸が、制動ビームターゲット(4)のリング形状の軸と一致する縦コイル(3)と、
d)部分円又は全円形状の少なくとも一つのX線検出器円弧配列(6)と、
を有する電子ビームX線コンピュータトモグラフィ装置であって、
e)本装置は、電子ビーム(5)を縦コイル(3)の主平面の方向に発射して、電子ビーム(5)をコイル磁界内の円軌道上に押し込めるように構成され、
f)本装置は、縦コイル(3)のコイル磁界の強度を周期的に増減して電子ビーム(5)の円軌道の半径を変化させて、電子ビーム(5)が円軌道上を移動するフォーカルスポット(7)において制動ビームターゲット(4)に当たるように構成されている、
装置。 - X線検出器円弧配列(6)が真空室(2)の外に配置されていることを特徴とする請求項1に記載の装置。
- 縦コイル(3)が真空室(2)内に閉じ込められていることを特徴とする請求項1又は2に記載の装置。
- 縦コイル(3)が真空室(2)の外に配置され、真空室(2)が反磁性材料から構成されることを特徴とする請求項1又は2に記載の装置。
- 縦コイル(3)の直径がそれぞれその軸方向の長さよりも大きいことを特徴とする請求項1から4までのいずれか一つに記載の装置。
- 電子ビーム発生器(1)、ターゲット(4)及び/又はX線検出器円弧配列(6)が軸方向に多重に配置され、縦コイル(3)が相応に軸方向の延びに渡って延びており、そのようにして同期多面トモグラフィを実現可能であることを特徴とする請求項1から5までのいずれか一つに記載の装置。
- X線検出器円弧配列(6)が制動ビームターゲット(4)の外に有ることを特徴とする請求項1から6までのいずれか一つに記載の装置。
- ターゲット平面が歯形に構造化されていることを特徴とする請求項1から7までのいずれか一つに記載の装置。
- 電子ビーム発生器(1)が縦コイル(3)の中に有ることを特徴とする請求項1から8までのいずれか一つに記載の装置。
- 電子ビーム発生器(1)が縦コイル(3)の外に有り、電子ビームが、縦コイルの間の軸方向の隙間を通して磁界発生領域内に発射されることを特徴とする請求項1から3及び5から8までのいずれか一つに記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013206252.4A DE102013206252A1 (de) | 2013-04-09 | 2013-04-09 | Anordnung zur schnellen Elektronenstrahl-Röntgencomputertomographie |
DE102013206252.4 | 2013-04-09 | ||
PCT/DE2014/000160 WO2014166468A1 (de) | 2013-04-09 | 2014-04-02 | Anordnung zur schnellen elektronenstrahl-röntgencomputertomographie |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016510162A JP2016510162A (ja) | 2016-04-04 |
JP6099227B2 true JP6099227B2 (ja) | 2017-03-22 |
Family
ID=50679801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015560551A Expired - Fee Related JP6099227B2 (ja) | 2013-04-09 | 2014-04-02 | 高速電子ビームx線コンピュータトモグラフィ装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160027606A1 (ja) |
EP (1) | EP2984672B1 (ja) |
JP (1) | JP6099227B2 (ja) |
DE (1) | DE102013206252A1 (ja) |
WO (1) | WO2014166468A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3967367A1 (en) * | 2017-11-16 | 2022-03-16 | Varian Medical Systems Inc | Increased beam output and dynamic field shaping for radiotherapy system |
CN111880055B (zh) * | 2020-07-09 | 2024-04-16 | 上海联影医疗科技股份有限公司 | 打火检测装置和方法 |
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-
2013
- 2013-04-09 DE DE102013206252.4A patent/DE102013206252A1/de not_active Withdrawn
-
2014
- 2014-04-02 US US14/781,404 patent/US20160027606A1/en not_active Abandoned
- 2014-04-02 WO PCT/DE2014/000160 patent/WO2014166468A1/de active Application Filing
- 2014-04-02 EP EP14722085.9A patent/EP2984672B1/de active Active
- 2014-04-02 JP JP2015560551A patent/JP6099227B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2016510162A (ja) | 2016-04-04 |
US20160027606A1 (en) | 2016-01-28 |
WO2014166468A1 (de) | 2014-10-16 |
DE102013206252A1 (de) | 2014-10-09 |
EP2984672B1 (de) | 2019-03-13 |
EP2984672A1 (de) | 2016-02-17 |
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