JP2005131408A - 回転自在の陽極を有するmr/x線スキャナ - Google Patents
回転自在の陽極を有するmr/x線スキャナ Download PDFInfo
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- JP2005131408A JP2005131408A JP2004315271A JP2004315271A JP2005131408A JP 2005131408 A JP2005131408 A JP 2005131408A JP 2004315271 A JP2004315271 A JP 2004315271A JP 2004315271 A JP2004315271 A JP 2004315271A JP 2005131408 A JP2005131408 A JP 2005131408A
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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
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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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
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- Magnetic Resonance Imaging Apparatus (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
【解決手段】X線データとMRデータを患者再配置を必要とせずに単一の検査で収集できるハイブリッド型MR/X線スキャナを開示する。このハイブリッド・システムは、MRスキャナとしては、軟部組織コントラストを有する画像、優れた3D描出、複数のスキャン面で撮像する能力、並びに生理学的情報の提供の可能性を提供することが可能である。ハイブリッド型スキャナのX線構成要素は、データ収集中に回転すると共に、MR磁場に不用な磁束を導入せずに回転させる回転自在の陽極(104)を含む。
【選択図】 図1
Description
12 オペレータ・コンソール
13 入力デバイス
14 制御パネル
16 表示スクリーン
18 リンク
20 コンピュータ・システム
20a バックプレーン
22 画像プロセッサ・モジュール
24 CPUモジュール
26 メモリ・モジュール
28 ディスク記憶装置
30 テープ駆動装置
32 システム制御部
32a バックプレーン
34 シリアル・リンク
36 CPUモジュール
38 パルス発生器モジュール
40 シリアル・リンク
42 傾斜増幅器
44 生理学的収集制御器
46 スキャン室インタフェース回路
48 患者位置決めシステム
50 傾斜磁場コイル・アセンブリ
52 マグネット・アセンブリ
54 偏向用マグネット
56 RFコイル
58 送受信器モジュール
60 RF増幅器
62 送信/受信スイッチ
64 前置増幅器
66 メモリ・モジュール
68 アレイ・プロセッサ
70 X線管アセンブリ
72 検出器アセンブリ
76 X線データ収集システム
78 陽極
80 陰極
82 X線発生デバイス
84 流体チェンバ
86 ケーシング
88 冷却剤
90 真空容器
92 陽極差し込み口
94 陰極差し込み口
96 電子
98 モータ・アセンブリ
100 ウィンドウ
102 X線
104 陽極円盤
106 心棒
108 回転子
109 軸受け
110 固定子アセンブリ
112 スプリング
114 圧電セラミック・モータ
116 摺動子
118 圧電セラミック振動子
120 弾性振動子
Claims (9)
- 対象のMRデータを収集するためのMRイメージング装置(10)と、
対象の放射線撮像データを収集するために前記MRイメージング装置(10)内に一体に配置された回転自在の陽極(104)を有するX線イメージング装置(70)と、
を備えるイメージング・システム。 - さらに、データ収集中に前記MRイメージング装置(10)のマグネット・ボア内に発生させた磁場内で前記陽極(104)を回転させるように構成したモータ・アセンブリ(98)を備える請求項1に記載のイメージング・システム。
- 前記モータ・アセンブリ(98)は非磁束式モータを含む、請求項2に記載のイメージング・システム。
- 前記非磁束式モータは圧電セラミック・モータ(114)を含む、請求項3に記載のイメージング・システム。
- 前記モータ・アセンブリ(98)はMRデータの収集前にある特定の周波数で陽極(104)を回転させるように設計されたラジアル・フラックス・モータを含む、請求項2に記載のイメージング・システム。
- 前記陽極(104)は、MRデータの収集中に前記ラジアル・フラックス・モータによりその上に力が加わることなくマグネット・ボア内で前記特定の周波数からこれより低い周波数までの回転をするように構成されている、請求項5に記載のイメージング・システム。
- 前記モータ・アセンブリ(98)は、ラジアル・フラックス・モータと、前記ラジアル・フラックス・モータによる前記陽極(104)の回転によりエネルギー蓄積状態に変位させるように前記陽極(104)に動作可能に接続した変位スプリング(112)と、を含む、請求項2に記載のイメージング・システム。
- 前記スプリング(112)はさらに、前記スプリング(112)上にかけられた変位が取り除かれたときに前記陽極(104)を回転させるように構成されている、請求項8に記載のイメージング・システム。
- 前記MRイメージング装置は分割コイルMRマグネットを含む、請求項1に記載のイメージング・システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/605,844 US6973162B2 (en) | 2003-10-30 | 2003-10-30 | MR/X-ray scanner having rotatable anode |
US10/605,844 | 2003-10-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005131408A true JP2005131408A (ja) | 2005-05-26 |
JP2005131408A5 JP2005131408A5 (ja) | 2007-12-13 |
JP4726461B2 JP4726461B2 (ja) | 2011-07-20 |
Family
ID=34549664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004315271A Expired - Fee Related JP4726461B2 (ja) | 2003-10-30 | 2004-10-29 | 回転自在の陽極を有するmr/x線スキャナ |
Country Status (3)
Country | Link |
---|---|
US (1) | US6973162B2 (ja) |
JP (1) | JP4726461B2 (ja) |
DE (1) | DE102004052478A1 (ja) |
Cited By (3)
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US8487269B2 (en) | 2007-02-28 | 2013-07-16 | Siemens Aktiengesellschaft | Combined radiation therapy and magnetic resonance unit |
US8958864B2 (en) | 2007-02-28 | 2015-02-17 | Siemens Aktiengesellschaft | Combined radiation therapy and magnetic resonance unit |
JP2015532844A (ja) * | 2012-09-21 | 2015-11-16 | シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft | 磁気共鳴トモグラフィ装置、x線源及びx線検出器を備えるハイブリッド検査システム |
Families Citing this family (16)
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DE10114013B4 (de) * | 2001-03-22 | 2005-06-23 | Siemens Ag | Magnetresonanzanlage |
WO2003077969A2 (en) * | 2002-03-13 | 2003-09-25 | Medrad, Inc. | Apparatus, systems and methods for facilitating multiple imaging procedures for a patient |
US7376455B2 (en) * | 2003-05-22 | 2008-05-20 | Scimed Life Systems, Inc. | Systems and methods for dynamic optical imaging |
US7236567B2 (en) * | 2005-03-24 | 2007-06-26 | Siemens Aktiengesellschaft | Method and apparatus for synchronizing operation of an x-ray system and a magnetic system |
US7394254B2 (en) * | 2005-04-27 | 2008-07-01 | The Board Of Trustees Of The Leland Stanford Junior University | Magnetic resonance imaging having radiation compatible radiofrequency coils |
DE102007013566B4 (de) * | 2007-03-21 | 2017-02-23 | Siemens Healthcare Gmbh | Verfahren zur Bilddatenaufnahme und medizinische Modalität |
US7701215B2 (en) * | 2008-02-27 | 2010-04-20 | The Board Of Trustees Of The Leland Stanford Junior University | MR compatible rotating anode x-ray tube |
EP2338414B1 (de) * | 2009-12-22 | 2012-11-28 | Biotronik CRM Patent AG | Lagesensor zur MRT-Erkennung |
PT2524134E (pt) | 2010-01-14 | 2014-08-01 | Neptco Inc | Componentes de pá de rotor de turbina eólica e seus processos de fabrico |
US10137542B2 (en) | 2010-01-14 | 2018-11-27 | Senvion Gmbh | Wind turbine rotor blade components and machine for making same |
WO2011127946A1 (en) * | 2010-04-15 | 2011-10-20 | Elekta Ab (Publ) | Radiotherapy apparatus |
US20130279656A1 (en) * | 2012-04-19 | 2013-10-24 | Canon Kabushiki Kaisha | Radiation imaging apparatus, radiation imaging system, method of controlling radiation imaging apparatus and storage medium |
US8971991B2 (en) * | 2013-02-11 | 2015-03-03 | Siemens Medical Solutions Usa, Inc. | Supplemental transmission information for attenuation correction in positron emission tomography imaging |
BR112015024494A2 (pt) * | 2013-03-29 | 2017-07-18 | Koninklijke Philips Nv | sistema de imageamento por ressonância magnética irm; método para operação de um sistema de imageamento por ressonância magnética; e produto de programa de computador |
DE102015201044A1 (de) * | 2015-01-22 | 2016-07-28 | Siemens Aktiengesellschaft | MRT-kompatible Drehanoden-Röntgenröhre |
DE102015201375A1 (de) * | 2015-01-27 | 2016-07-28 | Siemens Aktiengesellschaft | Vorrichtung zur Erzeugung von Röntgenstrahlung in einem äußeren Magnetfeld |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8487269B2 (en) | 2007-02-28 | 2013-07-16 | Siemens Aktiengesellschaft | Combined radiation therapy and magnetic resonance unit |
US8958864B2 (en) | 2007-02-28 | 2015-02-17 | Siemens Aktiengesellschaft | Combined radiation therapy and magnetic resonance unit |
JP2015532844A (ja) * | 2012-09-21 | 2015-11-16 | シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft | 磁気共鳴トモグラフィ装置、x線源及びx線検出器を備えるハイブリッド検査システム |
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Also Published As
Publication number | Publication date |
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DE102004052478A1 (de) | 2005-06-09 |
US6973162B2 (en) | 2005-12-06 |
JP4726461B2 (ja) | 2011-07-20 |
US20050096532A1 (en) | 2005-05-05 |
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