JP2007014761A - 分散型x線源を用いた撮像のシステム及び方法 - Google Patents
分散型x線源を用いた撮像のシステム及び方法 Download PDFInfo
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- 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]
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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
- A61B6/027—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
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
【解決手段】X線イメージング・システム(10)を提供する。X線イメージング・システム(10)は分散型X線源(48)と検出器(20)とを含んでいる。分散型X線源(48)は、実質的に直線状の線分(72)、実質的に円弧状の線分(78)、曲線状の線分(80)又は実質的に非平面状の表面(86)として構成された複数の放出点(74)からX線(56)を放出するように構成されており、検出器(20)は、検出器(20)に入射するX線(18)に応答して複数の信号を発生するように構成されている。
【選択図】図1
Description
12 放射線源
14 放射線流
16 患者
18 放射線の減弱しなかった部分
20 検出器アレイ
22 システム制御器
24 運動サブシステム
48 分散型X線源
50 放出装置
52 ターゲット
54 電子ビーム
56 X線放射のビーム
58 コリメータ
60 アパーチャ
62 コリメートされたビーム
64 検出器
66 検出器素子
68 信号処理ユニット
70 検出器
72 直線状の分散型線源
74 X線放出点
76 検出器及び線源の移動方向
78 円弧状の分散型線源
80 曲線状の線源
82 平面状の分散型線源
84 円筒形の分散型線源
86 曲面状の分散型線源
Claims (10)
- 実質的に直線状の線分(72)、実質的に円弧状の線分(78)又は曲線状の線分(80)として構成された複数の放出点(74)からX線(56)を放出するように構成されている分散型X線源(48)と、
当該検出器(20)に入射するX線(18)に応答して複数の信号を発生するように構成されている検出器(20)と、
を備えたX線イメージング・システム(10)。 - 前記分散型X線源(48)は、撮像容積に関して静止しているように又は移動するように構成されている、請求項1に記載のX線イメージング・システム(10)。
- 前記検出器(20)は、撮像容積に関して静止しているように又は移動するように構成されている、請求項1に記載のX線イメージング・システム(10)。
- 撮像容積に関して静止しているように又は移動するように構成されている患者支持体をさらに含んでいる請求項1に記載のX線イメージング・システム(10)。
- マンモグラフィ・システム、トモシンセシス・システム、一般的な放射線撮像用X線システム、X線Cアーム・システム又は計算機式断層写真法システムを含んでいる請求項1に記載のX線イメージング・システム(10)。
- 前記分散型X線源(48)は、
電子ビーム(54)を放出するように構成されている1又は複数の位置指定可能な放出装置(50)と、
前記位置指定可能な放出装置(50)から離隔して設けられており、前記電子ビーム(54)の衝突に際して複数の放出点(74)からX線(56)を放出する1又は複数のアノード(52)と、
を含んでいる、請求項1に記載のX線イメージング・システム(10)。 - 前記1又は複数の位置指定可能な放出装置は(50)、熱イオン放出器、冷カソード放出器、炭素基放出器、光放出器、強誘電性放出器、レーザ・ダイオード又はモノリシック半導体を含んでいる、請求項6に記載のX線イメージング・システム(10)。
- 実質的に非平面状の表面(86)として構成された複数の放出点(74)からX線(56)を放出するように構成されている分散型X線源(48)と、
当該検出器(20)に入射するX線(18)に応答して複数の信号を発生するように構成されている検出器(20)と、
を備えたX線イメージング・システム(10)。 - 実質的に直線状の線分(72)、実質的に円弧状の線分(78)又は曲線状の線分(80)として構成された複数の放出点(74)を有する分散型X線源(48)からX線(56)を放出するステップと、
検出器(20)に入射する前記X線(18)に応答して複数の信号を発生するステップと、
少なくとも1枚の画像を形成するように前記複数の信号を処理するステップと、
を備えたX線画像データを取得する方法。 - 実質的に非平面状の表面(86)として構成された複数の放出点(74)を有する分散型X線源(48)からX線(56)を放出するステップと、
検出器(20)に入射する前記X線(18)に応答して複数の信号を発生するステップと、
少なくとも1枚の画像を形成するように前記複数の信号を処理するステップと、
を備えたX線画像データを取得する方法。
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| US11/176,418 US20070009088A1 (en) | 2005-07-06 | 2005-07-06 | System and method for imaging using distributed X-ray sources |
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| JP2008253762A (ja) * | 2007-03-30 | 2008-10-23 | General Electric Co <Ge> | ポータブル・ディジタル・トモシンセシス・イメージング・システム及び方法 |
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| JP2011512226A (ja) * | 2008-02-22 | 2011-04-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 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 |
| JP2010075620A (ja) * | 2008-09-29 | 2010-04-08 | Fujifilm Corp | 放射線トモシンセシス撮影装置 |
| JP2013173015A (ja) * | 2013-05-09 | 2013-09-05 | Canon Inc | X線撮影装置及びx線撮影方法 |
| JP2017096923A (ja) * | 2015-11-18 | 2017-06-01 | エフ イー アイ カンパニFei Company | 新たなx線撮像技法 |
| JP2021139911A (ja) * | 2015-11-18 | 2021-09-16 | エフ イー アイ カンパニFei Company | 新たなx線撮像技法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070009088A1 (en) | 2007-01-11 |
| DE102006031374A1 (de) | 2007-02-22 |
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