JP2016501634A - 高バンド幅のトランスデューサの出力を用いたマルチ周波数イメージングのための方法 - Google Patents
高バンド幅のトランスデューサの出力を用いたマルチ周波数イメージングのための方法 Download PDFInfo
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Abstract
Description
Claims (20)
- 患者内の体積部分をイメージングするための方法であって、該方法が:
組織構造内に設けられた第1トランスデューサを用いて、第1選択周波数の超音波信号を生成し;
患者内の体積部分のスポット上に前記超音波信号を向け;
患者内の体積部分の壁周りに所定パターンで前記スポットをスキャンし;
第2選択周波数で第2トランスデューサにおいて超音波エコーを受け取り;
前記超音波エコーを電圧に変換し;
処理回路で前記電圧を増幅し;及び
前記電圧から患者内の体積部分のイメージを提供することを含む、方法。 - 超音波信号を生成し、超音波エコーを受け取ることが、前記第1トランスデューサ及び前記第2トランスデューサの近くに配置された特定用途向け集積回路(ASIC)により部分的に実行される、請求項1に記載の方法。
- 前記患者内の体積部分が、血管の内壁である、請求項1に記載の方法。
- 前記第2周波数が、前記第1周波数の高調波である、請求項3に記載の方法。
- 前記第1トランスデューサ及び第2トランスデューサがポリマートランスデューサ材料を含む、請求項1に記載の方法。
- 前記第1トランスデューサ及び第2トランスデューサが同一のトランスデューサ部品である、請求項1に記載の方法。
- 前記第1トランスデューサが第1の複数のトランスデューサ部品を含み、前記第2トランスデューサが第2の複数のトランスデューサ部品を含む、請求項1に記載の方法。
- 前記第1選択周波数が第1の複数の周波数を含み;及び
前記第1の複数の周波数の各々が、前記第1の複数のトランスデューサ部品の各々に関連付けられる、請求項7に記載の方法。 - 前記第2選択周波数が第2の複数の周波数を含み;前記第2の複数の周波数の各々が、前記第2の複数のトランスデューサ部品の各々に関連付けられる、請求項7に記載の方法。
- 患者内の体積部分のマルチ周波数イメージングのための方法であって、当該方法が:
事前選択された関心領域の近くで前記体積部分内にフレキシブル部材を位置付け;
前記体積部分内に配置されたポリマートランスデューサを用いて第1の複数の周波数の超音波信号を生成し;
前記体積部分のスポット上に前記超音波信号を向け;
前記体積部分の内側部分周りに所定パターンで前記スポットをスキャンし;
ポリマートランスデューサにて第2の複数の周波数で超音波エコーを受け取り;
前記超音波エコーを電圧に変換し;
処理回路で前記電圧を増幅し;
前記電圧から前記体積部分のイメージを提供し;及び
特徴化ツールに応じて前記イメージを分類することを含む、方法。 - 前記患者内の体積部分が、血管の内壁である、請求項10に記載の方法。
- 前記第2の複数の周波数が前記第1の複数の周波数を含む、請求項10に記載の方法。
- 前記第2の複数の周波数が、前記第1の複数の周波数の高調波結合を含む、請求項10に記載の方法。
- 患者内の体積部分のイメージングのための方法であって、当該方法が:
前記体積部分内に配置されたポリマートランスデューサを用いて、第1の複数の周波数の超音波信号を生成し;
前記体積部分のスポットに前記超音波信号を向け;
前記体積部分の表面周りに所定パターンで前記スポットをスキャンし;
第2の複数の周波数で前記ポリマートランスデューサで超音波エコーを受け取り;
前記超音波エコーを電圧に変換し;
処理回路で前記電圧を増幅し;及び
前記電圧から前記体積部分の複数のイメージを提供することを含む、方法。 - 複数のイメージを提供することが、第2の複数の周波数における周波数のそれぞれについてイメージを提供することを含む、請求項14に記載の方法。
- 第1周波数に関連する少なくとも一つの体積部分イメージと、前記第2の複数の周波数における第2周波数に関連した第2体積部分イメージを結合し、結合された体積部分イメージを形成することを更に含む、請求項15に記載の方法。
- 少なくとも一つの体積部分イメージと第2体積部分イメージを結合することが、第1及び第2周波数の高周波数の前記体積部分の浅い部分と、前記第1及び第2周波数の低周波数の前記体積部分の深い部分を結合することを含む、請求項16に記載の方法。
- 少なくとも一つの体積部分イメージと第2体積部分イメージを結合することが、結合された体積部分イメージから血液スペックル信号をフィルター除去することを含む、請求項17に記載の方法。
- 前記処理回路の周波数ミキサー回路を用いて前記電圧からある周波数成分を除去することを更に含む、請求項14に記載の方法。
- 前記周波数成分は、前記第1の複数の周波数における周波数のいずれかの高調波結合である、請求項19に記載の方法。
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US201261740822P | 2012-12-21 | 2012-12-21 | |
US61/740,822 | 2012-12-21 | ||
PCT/US2013/076195 WO2014100217A1 (en) | 2012-12-21 | 2013-12-18 | Method for multi-frequency imaging using high-bandwidth transducer outputs |
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US (1) | US20140180108A1 (ja) |
EP (1) | EP2934333B1 (ja) |
JP (1) | JP2016501634A (ja) |
CA (1) | CA2895802A1 (ja) |
WO (1) | WO2014100217A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020529885A (ja) * | 2017-09-28 | 2020-10-15 | ボストン サイエンティフィック サイムド,インコーポレイテッドBoston Scientific Scimed,Inc. | 血管内超音波撮像システムに沿った信号経路に対して周波数ベースの調整を行うためのシステムおよび方法 |
JP2022120122A (ja) * | 2016-11-11 | 2022-08-17 | コーニンクレッカ フィリップス エヌ ヴェ | ワイヤレス管腔内撮像デバイス及びシステム |
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Also Published As
Publication number | Publication date |
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EP2934333A4 (en) | 2016-07-20 |
US20140180108A1 (en) | 2014-06-26 |
EP2934333A1 (en) | 2015-10-28 |
WO2014100217A1 (en) | 2014-06-26 |
CA2895802A1 (en) | 2014-06-26 |
EP2934333B1 (en) | 2019-05-15 |
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