JP6804581B2 - アクティブリターンシステムおよび陽子線治療システム - Google Patents
アクティブリターンシステムおよび陽子線治療システム Download PDFInfo
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- JP6804581B2 JP6804581B2 JP2019058164A JP2019058164A JP6804581B2 JP 6804581 B2 JP6804581 B2 JP 6804581B2 JP 2019058164 A JP2019058164 A JP 2019058164A JP 2019058164 A JP2019058164 A JP 2019058164A JP 6804581 B2 JP6804581 B2 JP 6804581B2
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- magnetic field
- superconducting coil
- active return
- support structure
- return system
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H13/00—Magnetic resonance accelerators; Cyclotrons
- H05H13/02—Synchrocyclotrons, i.e. frequency modulated cyclotrons
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H13/00—Magnetic resonance accelerators; Cyclotrons
- H05H13/005—Cyclotrons
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/04—Magnet systems, e.g. undulators, wigglers; Energisation thereof
Description
102 超電導コイル
104 磁気シールド
200 メインコイル
201 アクティブリターンコイル
300 荷電粒子放射線治療システム
302 ビーム発生子加速器(超電導シンクロサイクロトロン)
304 回転ガントリー
306 患者
308,310 脚部
312,314 ベアリング
316 スチールトラス
318 処置領域
322 床
324 ボールト
330 壁
332 水平回転軸線
400,401 環状超伝導コイル(メインコイル)
403,404 強磁性体磁極片
409,410 アクティブリターンコイル
411 バンディングリング
412 キャビティ
415 クライオスタットカバー
601 環状ステンレススチールリバース支持構造体
602 ヒーターブランケット
605 復元力
701 ストランド
702 絶縁体
703 ワイヤ
800 粒子源
804,805 カソード
810 磁界
811 チューブ
900 半円形高周波プレート
902 ダミーディープレート
903,905 半円形面
907 スペース
909 ダクト
1001 ビームフォーメーションシステム
Claims (15)
- シンクロサイクロトロンのためのアクティブリターンシステムであって、
磁界を発生させるための前記シンクロサイクロトロンのマグネットであって、このマグネットは、第1の方向に電流を通過させることよって第1の磁界を発生させるための複数の第1の超電導コイルを具備し、前記第1の磁界は少なくとも4テスラ(T)であるマグネットと、
複数の第2の超電導コイルであって、前記第2の超電導コイルのそれぞれは、対応する第1の超電導コイルを取り囲みかつ対応する第1の超電導コイルと同心状に存在しており、前記第2の超電導コイルは、前記第1の方向と反対の第2の方向に電流を通過させ、これによって少なくとも2.5Tの磁界を有する第2の磁界を発生させるためのものであり、前記第2の磁界は前記第1の磁界の極性と反対の極性を有する、複数の第2の超電導コイルと、
少なくとも1つの第1の超電導コイルと対応する第2の超電導コイルとが取り付けられる支持構造体と、
前記アクティブリターンシステムの動作中に前記第1の超電導コイルおよび前記第2の超電導コイルを磁極片に対して維持するために前記支持構造体をクライオスタットに接続するテンションリンクと、
を具備し、
前記第2の超電導コイルによって発生した磁界は、前記支持構造体による遮蔽なしに、前記第1の超電導コイルを通る電流から生じる漂遊磁界を消散させることができることを特徴とするアクティブリターンシステム。 - 前記第1の超電導コイルおよび前記第2の超電導コイルの両方に電流を供給するための電力源を、さらに具備することを特徴とする請求項1に記載のアクティブリターンシステム。
- 前記第1の超電導コイルおよび前記第2の超電導コイルは全て前記支持構造体上に取り付けられることを特徴とする請求項1に記載のアクティブリターンシステム。
- 前記第1の超電導コイルは前記支持構造体の内部に取り付けられ、かつ、前記第2の超電導コイルは、この第2の超電導コイルが前記支持構造体の少なくとも一部によって前記第1の超電導コイルから分離させられるように、前記支持構造体の外部に取り付けられることを特徴とする請求項3に記載のアクティブリターンシステム。
- 前記第2の超電導コイルの少なくとも一つの周囲のバンディングリングを、さらに具備することを特徴とする請求項3に記載のアクティブリターンシステム。
- 前記支持構造体は、ステンレススチールまたは炭素繊維の少なくとも一つを含むことを特徴とする請求項1に記載のアクティブリターンシステム。
- キャビティを形成する磁極片をさらに具備し、前記支持構造体は前記磁極片の少なくとも一部の周りに存在することを特徴とする請求項6に記載のアクティブリターンシステム。
- 前記支持構造体の少なくとも一部および前記磁極片の少なくとも一部の周囲のクライオスタットカバーをさらに備え、このクライオスタットカバーは非強磁性材料を含んでいることを特徴とする請求項7に記載のアクティブリターンシステム。
- 15トン未満の重量を有することを特徴とする請求項6に記載のアクティブリターンシステム。
- 10トン未満の重量を有することを特徴とする請求項6に記載のアクティブリターンシステム。
- 陽子線治療システムであって、
請求項1に記載されたアクティブリターンシステムを備えたシンクロサイクロトロンと、
その上に前記シンクロサイクロトロンが搭載されるガントリーであって、患者位置に対して回転可能であるガントリーと、を具備し、前記動作は回転を含み、
前記陽子線治療システムは、前記患者位置に対して前記シンクロサイクロトロンから直接的に陽子を放出するよう構成されていることを特徴とする陽子線治療システム。 - 前記第1の磁界を収容するキャビティに対してイオン化プラズマを提供するための粒子源と、
出口に向かってイオン化プラズマのパルスからなるビームを加速させるための電圧を提供する電圧源と、をさらに具備することを特徴とする請求項11に記載の陽子線治療システム。 - 前記支持構造体が非強磁性材料を含む、請求項1に記載のアクティブリターンシステム。
- 前記支持構造体が非強磁性材料を含む、請求項11に記載の陽子線治療システム。
- 前記支持構造体がステンレススチールまたは炭素繊維の少なくとも1つを含む、請求項11に記載の陽子線治療システム。
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US13/907,601 | 2013-05-31 | ||
US13/907,601 US8791656B1 (en) | 2013-05-31 | 2013-05-31 | Active return system |
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JP2016034044A Active JP6786226B2 (ja) | 2013-05-31 | 2016-02-25 | アクティブリターンシステム |
JP2019058164A Active JP6804581B2 (ja) | 2013-05-31 | 2019-03-26 | アクティブリターンシステムおよび陽子線治療システム |
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EP (2) | EP3319405A1 (ja) |
JP (3) | JP6203678B2 (ja) |
CN (2) | CN111479379A (ja) |
ES (1) | ES2651735T3 (ja) |
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EP2809132A1 (en) | 2014-12-03 |
CN104219866A (zh) | 2014-12-17 |
EP2809132B1 (en) | 2017-09-27 |
JP6786226B2 (ja) | 2020-11-18 |
JP2016106372A (ja) | 2016-06-16 |
JP2019106389A (ja) | 2019-06-27 |
EP3319405A1 (en) | 2018-05-09 |
JP2014236005A (ja) | 2014-12-15 |
JP6203678B2 (ja) | 2017-09-27 |
ES2651735T3 (es) | 2018-01-29 |
US8791656B1 (en) | 2014-07-29 |
CN111479379A (zh) | 2020-07-31 |
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