JP6148010B2 - 焦束されたスキャンラインビーム形成での超音波剪断波撮像 - Google Patents
焦束されたスキャンラインビーム形成での超音波剪断波撮像 Download PDFInfo
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Description
Claims (14)
- 剪断波を生成するためにプッシュパルスベクトルに沿ってプッシュパルスを送信し、前記プッシュパルスベクトルに隣接する追跡ラインに沿って複数の集束された追跡パルスを送信し、追跡ラインに沿ったポイントからエコー信号を受信する超音波アレイプローブと、時間的にインタリーブされた態様で追跡ラインに沿って複数の集束された追跡パルスを繰り返し送信し、単一の集束された追跡パルスの送信に応じて、複数のエコー信号を同時に受信するため前記超音波アレイプローブを制御する前記超音波アレイプローブに結合されたマルチラインビーム形成器と、追跡ラインエコーデータを格納するためのAラインメモリと、追跡ライン位置を通過する剪断波による動きを検出するため追跡ラインエコーデータに応答する動き検出器と、追跡ライン位置を通過する剪断波の速度を測定する速度検出器と、剪断波測定の結果を表示するためのディスプレイとを有する、剪断波分析のための超音波画像診断システム。
- 前記動き検出器が剪断波により生じる組織変位を検出する、請求項1に記載の超音波画像診断システム。
- 前記動き検出器は、更に、追跡ラインエコーデータ相互相関器及び変位ピーク検出器を有する、請求項2に記載の超音波画像診断システム。
- 前記速度検出器は、2つの変位ピークの発生の時間を比較することにより速度を決定する、請求項3に記載の超音波画像診断システム。
- 前記ディスプレイが剪断波速度値の2次元の画像を表示する、請求項1に記載の超音波画像診断システム。
- 前記剪断波速度値が解剖学的画像において色分けされる、請求項5に記載の超音波画像診断システム。
- 前記動き検出器が追跡ライン位置の各々に沿って複数のサンプルポイントでピークの組織変位の時間を検出する、請求項1に記載の超音波画像診断システム。
- 前記動き検出器が追跡ライン位置から得られるエコーデータの局所的相互相関により変位値を検出する、請求項7に記載の超音波画像診断システム。
- 前記動き検出器が複数の変位値に対する曲線適合によりピークの組織変位の時間を検出する、請求項8に記載の超音波画像診断システム。
- 前記動き検出器が複数の変位値を補間することによりピークの組織変位の時間を検出する、請求項8に記載の超音波画像診断システム。
- プッシュパルスベクトルに沿ってプッシュパルスを送信するステップと、プッシュパルスベクトルに隣接する追跡ラインに沿った、複数の集束された追跡パルスであって、時間的にインタリーブされた態様で追跡ラインに沿って送信される当該複数の集束された追跡パルスを繰り返し送信するステップと、単一の集束された追跡パルスの送信に応じて複数のエコー信号を同時に受信するステップと、対象の領域内の2次元又は3次元の複数のポイントで剪断波速度値を決定するようにエコー信号を処理するステップと、剪断波速度値の2次元又は3次元の画像を表示するステップとを有する、剪断波を測定する超音波画像診断システムの動作方法。
- エコー信号を受信するステップが、更に、単一の追跡パルス送信事象に応じて、複数の追跡ラインに沿ってエコー信号を受信するステップを有する、請求項11に記載の方法。
- 処理するステップが、更に、剪断波から生じる組織動きを決定するようにエコー信号を処理するステップを有する、請求項11に記載の方法。
- 処理するステップが、更に、対象の領域のポイントでの組織変位を決定するようにエコー信号を処理するステップを有する、請求項13に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| US26427709P | 2009-11-25 | 2009-11-25 | |
| US61/264,277 | 2009-11-25 | ||
| PCT/IB2010/055179 WO2011064688A1 (en) | 2009-11-25 | 2010-11-15 | Ultrasonic shear wave imaging with focused scanline beamforming |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016010599A Division JP6235625B2 (ja) | 2009-11-25 | 2016-01-22 | 焦束されたスキャンラインビーム形成での超音波剪断波撮像 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013512026A JP2013512026A (ja) | 2013-04-11 |
| JP6148010B2 true JP6148010B2 (ja) | 2017-06-14 |
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| JP2012540517A Active JP6148010B2 (ja) | 2009-11-25 | 2010-11-15 | 焦束されたスキャンラインビーム形成での超音波剪断波撮像 |
| JP2016010599A Active JP6235625B2 (ja) | 2009-11-25 | 2016-01-22 | 焦束されたスキャンラインビーム形成での超音波剪断波撮像 |
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| JP2016010599A Active JP6235625B2 (ja) | 2009-11-25 | 2016-01-22 | 焦束されたスキャンラインビーム形成での超音波剪断波撮像 |
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| Country | Link |
|---|---|
| US (2) | US10368843B2 (ja) |
| EP (1) | EP2504716B1 (ja) |
| JP (2) | JP6148010B2 (ja) |
| CN (1) | CN102667522B (ja) |
| BR (1) | BR112012012230B1 (ja) |
| RU (1) | RU2552894C2 (ja) |
| WO (1) | WO2011064688A1 (ja) |
Families Citing this family (105)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9247926B2 (en) | 2010-04-14 | 2016-02-02 | Maui Imaging, Inc. | Concave ultrasound transducers and 3D arrays |
| US9339256B2 (en) | 2007-10-01 | 2016-05-17 | Maui Imaging, Inc. | Determining material stiffness using multiple aperture ultrasound |
| US9788813B2 (en) | 2010-10-13 | 2017-10-17 | Maui Imaging, Inc. | Multiple aperture probe internal apparatus and cable assemblies |
| US9282945B2 (en) | 2009-04-14 | 2016-03-15 | Maui Imaging, Inc. | Calibration of ultrasound probes |
| JP5485373B2 (ja) | 2009-04-14 | 2014-05-07 | マウイ イマギング,インコーポレーテッド | 複数開口の超音波アレイ位置合せ装置 |
| KR102322776B1 (ko) | 2010-02-18 | 2021-11-04 | 마우이 이미징, 인코포레이티드 | 초음파 이미지를 구성하는 방법 및 이를 위한 다중-개구 초음파 이미징 시스템 |
| JP5808325B2 (ja) | 2010-06-30 | 2015-11-10 | 富士フイルム株式会社 | 超音波診断装置及び超音波診断装置の作動方法 |
| WO2012002420A1 (ja) * | 2010-06-30 | 2012-01-05 | 富士フイルム株式会社 | 超音波診断装置及び超音波診断方法 |
| JP5886318B2 (ja) | 2010-12-22 | 2016-03-16 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 質量中心を用いたせん断波速度の推定 |
| CN103717144B (zh) * | 2011-07-28 | 2016-08-24 | 株式会社日立制作所 | 超声波诊断装置以及剪切弹性测量方法 |
| US10338203B2 (en) | 2011-09-09 | 2019-07-02 | Siemens Medical Solutions Usa, Inc. | Classification preprocessing in medical ultrasound shear wave imaging |
| US20140343422A1 (en) * | 2011-11-17 | 2014-11-20 | Hitachi Aloka Medical, Ltd. | Ultrasonic diagnostic device and ultrasonic image generation method |
| JP6407719B2 (ja) | 2011-12-01 | 2018-10-17 | マウイ イマギング,インコーポレーテッド | ピングベース及び多数開口ドップラー超音波を用いた運動の検出 |
| JP2015503404A (ja) | 2011-12-29 | 2015-02-02 | マウイ イマギング,インコーポレーテッド | 任意経路のmモード超音波イメージング |
| CN103300890B (zh) | 2012-03-16 | 2016-06-08 | 通用电气公司 | 用于测量组织机械特性的系统及方法 |
| EP2833791B1 (en) | 2012-03-26 | 2022-12-21 | Maui Imaging, Inc. | Methods for improving ultrasound image quality by applying weighting factors |
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| BR112012012230B1 (pt) | 2021-04-20 |
| JP2013512026A (ja) | 2013-04-11 |
| CN102667522B (zh) | 2014-10-08 |
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