MRI-compatible ultrasonic probe for minimally invasive therapy

Takashima Azuma, Kazuaki Sasaki, Ken Ichi Kawabata, Akiko Osada, Hiroyuki Itagaki, Kazumi Komura, Tetsuhiko Takahashi, Kazunari Ishida, Yutaka Satoh, Shin Ichiro Umemura

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)


The effects of magnetic resonance imaging (MRI)-compatible ultrasound (US) probes on MRI monitoring were evaluated. It was found that MRI-compatible US probes with backing material containing 100 ppm ferrite, did not disturb MR monitoring except within a few mm radius from the US probe's position. MRI temperature monitoring of an excised swine liver irradiated with a high-intensity focused US beam from an MRI-compatible therapeutic transducer with US image guidance was then performed, and the potential usefulness of such a therapeutic system in minimally invasive therapy was demonstrated.

Original languageEnglish
Pages (from-to)1465-1468
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
Publication statusPublished - 2002 Dec 1
Event2002 IEEE Ultrasonics Symposium - Munich, Germany
Duration: 2002 Oct 82002 Oct 11

ASJC Scopus subject areas

  • Acoustics and Ultrasonics


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