JP2013544614A - 超音波材料特性測定と画像化のための超音波音響放射力励起 - Google Patents
超音波材料特性測定と画像化のための超音波音響放射力励起 Download PDFInfo
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Abstract
Description
Claims (17)
- せん断波分析をする超音波診断画像化システムであって:
被検体に、複数の異なるベクトルに沿ってプッシュパルスを送信し、せん断波を発生するように動作可能なトランスデューサ要素の2次元アレイを有する超音波アレイプローブ;及び
前記2次元アレイに結合した、前記アレイに2次元のプッシュパルス領域を発生させ、前記プッシュパルス領域に隣接する領域からエコー信号を受信させるビームフォーマ
を有する超音波診断画像化システム。 - 前記プッシュパルスはせん断波面を生成するエネルギーのシートを形成する、
請求項1に記載の超音波診断画像化システム。 - 前記エネルギーのシートは平面状のエネルギーのシートである、
請求項2に記載の超音波診断画像化システム。 - 前記エネルギーのシートは曲がったエネルギーのシートである、
請求項2に記載の超音波診断画像化システム。 - 前記プッシュパルスは平面波の形式のせん断波面を生成するエネルギーのシートを形成する、請求項2に記載の超音波診断画像化システム。
- 前記エネルギーのシートは、前記2次元アレイトランスデューサの面に垂直な平面内に形成される、請求項5に記載の超音波診断画像化システム。
- 前記エネルギーのシートは、前記2次元アレイトランスデューサの面に垂直でない角度で傾いた平面内に形成される、請求項5に記載の超音波診断画像化システム。
- 前記プッシュパルスは、前記被検体において平面状せん断波源の形成のため、シートビームとして送信される、請求項1に記載の超音波診断画像化システム。
- 前記2次元アレイは、発生されるせん断波の1サイクルの時間より短い時間内で、一焦点スポットから他の焦点スポットにプッシュパルスフォーカスの位置を動かすことにより、プッシュパルスを送信するように動作可能である、請求項1に記載の超音波診断画像化システム。
- 前記プッシュパルスは前記時間内に軸方向及び横方向の両方で動かされる、
請求項9に記載の超音波診断画像化システム。 - 前記プッシュパルスは一ラインにフォーカスされたせん断波源を生成する曲がったエネルギーのシートを形成する、請求項1に記載の超音波診断画像化システム。
- 前記プッシュパルスは回折限界点焦点にフォーカスされたせん断波源を生成する曲がったエネルギーのシートを形成する、請求項4に記載の超音波診断画像化システム。
- 前記プッシュパルスは限定軸方向深さ領域にわたりフォーカスされたせん断波源を生成する曲がったエネルギーのシートを形成する、請求項4に記載の超音波診断画像化システム。
- 前記プローブは、さらに、前記プッシュパルスベクトルに隣接するトラッキングラインに沿ったトラッキングパルスを送信し、前記トラッキングラインに沿った点からエコー信号を受信するように動作可能であり;
前記超音波診断画像化システムは、
前記アレイプローブに結合した、前記アレイプローブを制御して、フォーカスされたトラッキングパルスを送信させ、時間的にインターリーブされたシーケンスで前記トラッキングラインに沿ったエコーを受信させるビームフォーマコントローラ;
前記トラッキングラインエコーデータを記憶するAラインメモリ;
前記トラッキングラインデータに応じて、前記トラッキングラインロケーションを通るせん断波による動きを検出する動きディテクタ;
前記トラッキングラインロケーションを通るせん断波の速度を測定する速度ディテクタ;及び
せん断波測定の結果を表示するディスプレイ
をさらに有する、請求項1に記載の超音波診断画像化システム。 - 前記動きディテクタはせん断波により生じた組織変位を検出する、
請求項14に記載の超音波診断画像化システム。 - 前記動きディテクタは、トラッキングラインエコーデータ相互相関器と変位ピークディテクタとをさらに有する、請求項15に記載の超音波診断画像化システム。
- 前記速度ディテクタは、2つの変位ピークの発生時間を比較して速度を決定するように構成された、請求項16に記載の超音波診断画像化システム。
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US42246810P | 2010-12-13 | 2010-12-13 | |
US61/422,468 | 2010-12-13 | ||
PCT/IB2011/055437 WO2012080895A2 (en) | 2010-12-13 | 2011-12-02 | Ultrasonic acoustic radiation force excitation for ultrasonic material property measurement and imaging |
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JP2017123994A (ja) * | 2016-01-13 | 2017-07-20 | コニカミノルタ株式会社 | 超音波診断装置、及び超音波信号処理方法 |
CN107427283A (zh) * | 2015-03-31 | 2017-12-01 | 皇家飞利浦有限公司 | 对基于超声弹性的病变边界绘制的校准 |
JP2022533590A (ja) * | 2019-05-14 | 2022-07-25 | コーニンクレッカ フィリップス エヌ ヴェ | 剪断波発生の方法及び装置 |
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JP2016022249A (ja) * | 2014-07-23 | 2016-02-08 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 超音波診断装置及びプログラム |
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CN107427283B (zh) * | 2015-03-31 | 2021-10-29 | 皇家飞利浦有限公司 | 对基于超声弹性的病变边界绘制的校准 |
JP2017123994A (ja) * | 2016-01-13 | 2017-07-20 | コニカミノルタ株式会社 | 超音波診断装置、及び超音波信号処理方法 |
JP2022533590A (ja) * | 2019-05-14 | 2022-07-25 | コーニンクレッカ フィリップス エヌ ヴェ | 剪断波発生の方法及び装置 |
JP7466573B2 (ja) | 2019-05-14 | 2024-04-12 | コーニンクレッカ フィリップス エヌ ヴェ | 剪断波発生の方法及び装置 |
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WO2012080895A2 (en) | 2012-06-21 |
WO2012080895A3 (en) | 2012-11-15 |
RU2576244C2 (ru) | 2016-02-27 |
US10448924B2 (en) | 2019-10-22 |
BR112013014423A2 (pt) | 2016-09-13 |
JP5868419B2 (ja) | 2016-02-24 |
EP2651306A2 (en) | 2013-10-23 |
US20140005548A1 (en) | 2014-01-02 |
CN103260527A (zh) | 2013-08-21 |
EP2651306B1 (en) | 2021-10-20 |
CN103260527B (zh) | 2016-11-02 |
RU2013132470A (ru) | 2015-01-20 |
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