JP6960896B2 - リングガントリを伴う放射線治療送達システム - Google Patents
リングガントリを伴う放射線治療送達システム Download PDFInfo
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Description
リングガントリに搭載され、したがって、それとともに傾斜可能および/または平行移動可能である、1つ以上のガントリ上kV撮像システムを含むことができる、1つ以上のkV撮像システムが、提供される。1つ以上のkV撮像システムはさらにおよび/または代替として、リングガントリから独立して、治療室内を移動する、1つ以上の独立して移動可能なkV撮像システムを含むことができ、さらにおよび/または代替として、治療室に対して固定される、1つ以上の固定kV撮像システムを含むことができる。
Claims (17)
- 放射線治療装置であって、
中心開口部を有するリングガントリと、
前記リングガントリに連結され、少なくとも180度の孤度において、前記中心開口部の周囲で回転可能である、放射線治療ヘッドと、
前記中心開口部を通して伸びる前後軸の方向に、前記リングガントリを平行移動させるように構成されるガントリ平行移動機構であって、該ガントリ平行移動機構が、それ自体が床の上を走行することによって、前記リングガントリを平行移動させるように構成されるガントリ平行移動機構と、
を備え、
前記放射線治療ヘッドと前記ガントリ平行移動機構とが、非同一面放射線治療ビームを発生するように、協働し、
前記リングガントリは、中心リングガントリ面を画定し、前記放射線治療ヘッドは、治療放射線が、前記リングガントリ面に対して、面外に指向され得るように、少なくとも1つの枢動軸の周りで前記放射線治療ヘッドの枢動を可能にする様式で、前記リングガントリに連結される、装置。 - 前記放射線治療ヘッドは、少なくとも360度の孤度において、前記中心開口部の周囲で回転可能である、請求項1に記載の放射線治療装置。
- 前記放射線治療ヘッドは、前記少なくとも1つの枢動軸の周囲における前記放射線治療ヘッドの任意の枢動角度に対して、前記中心リングガントリ面に沿って、前記放射線治療ヘッドの質量中心を維持する様式で、前記リングガントリに連結される、請求項1に記載の放射線治療装置。
- 前記前後軸は、アイソセンタを通過する中心前後軸であって、前記放射線治療ヘッドは、治療放射線がさらに、前記中心前後軸に対して、中心を外れて指向され得るように、少なくとも2つの枢動軸の周りで前記放射線治療ヘッドの枢動を可能にする様式で、前記リングガントリに連結される、請求項1に記載の放射線治療装置。
- 前記リングガントリに連結された第1の撮像源および第1の撮像検出器を含む、第1の撮像システムをさらに備える、請求項1に記載の放射線治療装置。
- 前記放射線治療装置が設置される、治療用円筒形構造体に対して、固定可能に位置付けられる、第1の撮像源および第1の撮像検出器を含む、第1の撮像システムをさらに備える、請求項1に記載の放射線治療装置。
- 前記前後軸に沿って、前記リングガントリとともに平行移動可能であるように構成され、位置付けられる、第1の撮像源および第1の撮像検出器を含む、第1の撮像システムをさらに備える、請求項1に記載の放射線治療装置。
- 前記第1の撮像源および前記第1の撮像検出器は、前記リングガントリに搭載され、前記中心開口部の周りを、前記放射線治療ヘッドと連動して回転可能である、請求項7に記載の放射線治療装置。
- 前記第1の撮像源は、X線源アレイを備える、請求項7に記載の放射線治療装置。
- 第2の撮像源および第2の撮像検出器を含む第2の撮像システムをさらに備え、前記第2の撮像システムは、(i)前記前後軸に対して固定されている、または(ii)前記リングガントリに対して、前記前後軸の方向に独立して平行移動可能であるかのいずれかである、請求項6に記載の放射線治療装置。
- システムコントローラ、寝台位置決め装置、ヘッド位置決め機構、及びヘッド回転機構を含む画像誘導放射線治療(IGRT)装置を制御するための方法であって、
前記画像誘導放射線治療(IGRT)装置は、前記システムコントローラの制御下にあり、
前記寝台位置決め装置が、IGRT装置の前後軸に沿って、寝台を位置付けることであって、前記IGRT装置は、
中心開口部を有し、前記IGRT装置の前後軸は、前記中心開口部を通して伸びる、リングガントリと、
前記リングガントリに連結され、少なくとも180度の孤度において、前記中心開口部の周囲で回転可能である、放射線治療ヘッドと、
前記前後軸の方向に、前記リングガントリを平行移動させるように構成されるガントリ平行移動機構と、
を備える、前記寝台を位置付けることと、
非同一面放射線治療ビームを発生するために、前記ヘッド回転機構は、複数の異なるガントリ角度まで、前記中心開口部の周りに、前記放射線治療ヘッドを回転させることを含み、且つ前記ガントリ平行移動機構は、該ガントリ平行移動機構が、それ自体が床の上を走行することによって、前記前後軸に沿って、前記リングガントリを複数の異なる前後方向位置に平行移動させることを含むことと、
を含み、
前記寝台を位置付けることは、治療中心の近傍またはその周囲に、前記寝台を位置付けることを含み、前記リングガントリは、中心リングガントリ面を画定し、前記放射線治療ヘッドは、前記リングガントリ面に対して、前記放射線治療ヘッドの面外枢動を可能にする様式で、放射線ヘッド枢動機構を介して、前記リングガントリに連結され、前記リングガントリの前記複数の異なる前後方向位置は、前記リングガントリ面が前記治療中心と一致しない、第1のサブセットの前後方向位置を含み、前記放射線ヘッド枢動機構は、前記放射線治療ヘッドを枢動させ、前記第1のサブセットの前後方向位置に対して、前記リングガントリの面外かつ前記治療中心に向かって、放射線治療ビームを指向する方法。 - 前記非同一面放射線治療ビームが発生される間、常時、前記寝台は、前記IGRT装置が位置する、治療室に対して、前記寝台位置決め装置によって、移動させられない、請求項11に記載の方法。
- 前記前後軸は、アイソセンタを通過する中心前後軸であって、前記放射線治療ヘッドは、少なくとも2つの枢動軸の周りで前記放射線治療ヘッドの枢動を可能にする様式で、前記放射線ヘッド枢動機構を介して、前記リングガントリに連結され、前記放射線ヘッド枢動機構は、前記少なくとも2つの軸の周囲において、前記放射線治療ヘッドを枢動させ、前記ガントリ角度および前後方向位置のうちの少なくとも1つに関して、前記中心前後軸に対して、中心を外れて、放射線治療ビームを指向する、請求項11に記載の方法。
- 前記IGRT装置はさらに、撮像源および撮像検出器を含む、搭載撮像システムを備え、
前記搭載撮像システムは、前記非同一面放射線治療の間、複数の画像を取得することと、
少なくとも部分的に、前記取得された複数の画像から導出された情報に基づいて、前記非同一面放射線治療の間、前記放射線治療ヘッドの枢動を、前記放射線ヘッド枢動機構によって、調節することと、
を含む、請求項13に記載の方法。 - 前記リングガントリは、リングガントリ面を画定し、前記非同一面放射線治療の間、常時、前記寝台は、前記IGRT装置が位置する治療室に対して、移動させられず、前記ヘッド回転機構は、前記複数の異なるガントリ角度を通じて、前記放射線治療ヘッドを回転させながら、前記前後軸に沿って、前記リングガントリを平行移動させ、実質的に、前記リングガントリ面内またはその周囲において、放射線治療ビームを前記寝台に向かって指向することを含み、それによって、前記非同一面放射線治療は、ヘリカルトモセラピーであって、前記寝台を移動させない、請求項11に記載の方法。
- 前記前後軸は、アイソセンタを通過する中心前後軸であって、前記放射線治療ヘッドは、少なくとも2つの枢動軸の周りで前記放射線治療ヘッドの枢動を可能にする様式で、放射線ヘッド枢動機構によって、前記リングガントリに連結され、前記放射線ヘッド枢動機構は、前記少なくとも2つの軸を中心として、前記放射線治療ヘッドを枢動させ、前記中心前後軸に対して、中心を外れて、放射線治療ビームを指向し、および/または前記リングガントリ面外に放射線治療ビームを指向することを含む、請求項15に記載の方法。
- 前記前後軸は、アイソセンタを通過する中心前後軸であって、前記放射線治療ヘッドは、前記非同一面放射線治療の間、前記リングガントリに対して、枢動作動されず、前記放射線治療ビームは、前記非同一面放射線治療の間、前記リングガントリ面内において、前記中心前後軸に向かって指向されたままである、請求項15に記載の方法。
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EP3299064A1 (en) | 2018-03-28 |
US10610175B2 (en) | 2020-04-07 |
US20170273643A1 (en) | 2017-09-28 |
WO2012099747A3 (en) | 2012-10-04 |
CN105816195B (zh) | 2021-09-17 |
JP6415473B2 (ja) | 2018-10-31 |
US20120189102A1 (en) | 2012-07-26 |
CN105879245A (zh) | 2016-08-24 |
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CN105816195A (zh) | 2016-08-03 |
US8536547B2 (en) | 2013-09-17 |
JP2016152951A (ja) | 2016-08-25 |
EP2665519A2 (en) | 2013-11-27 |
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CN103517737B (zh) | 2016-04-27 |
JP6411401B2 (ja) | 2018-10-24 |
JP2018199074A (ja) | 2018-12-20 |
JP2020151503A (ja) | 2020-09-24 |
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