Elimination of therapeutic ultrasound noise from pre-beamformed RF data in ultrasound imaging for ultrasound-guided high-intensity focused ultrasound treatment

Ryo Takagi, Kota Goto, Hayato Jimbo, Keiko Matsuura, Ryosuke Iwasaki, Shin Ichiro Umemura, Shin Yoshizawa

研究成果: Article査読

15 被引用数 (Scopus)

抄録

In conventional ultrasonic monitoring of high-intensity focused ultrasound (HIFU) treatment, a significant interval between consecutive HIFU shots is set for monitoring target tissue to avoid the interference of HIFU noise with RF echo signals. Thus, it is difficult to detect changes in tissue on the order of milliseconds, which are required to dynamically control the HIFU exposure. In this study, a new filtering method to eliminate the HIFU noise in the RF signals before beamforming is proposed. The CW response was estimated from RF signals with no pulse response to the imaging exposure, and the estimated CW response was subtracted from the entire RF signal to selectively eliminate the HIFU noise for each channel of the array probe before dynamic focusing was applied. The HIFU noise was selectively eliminated by this method when it existed. The results imply that the proposed filtering method is useful for true real-time detection of changes in tissue due to thermal coagulation during HIFU exposure.

本文言語English
論文番号07HD10
ジャーナルJapanese journal of applied physics
54
7
DOI
出版ステータスPublished - 2015 7 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

フィンガープリント

「Elimination of therapeutic ultrasound noise from pre-beamformed RF data in ultrasound imaging for ultrasound-guided high-intensity focused ultrasound treatment」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル