Self-guided ultrasound phased arrays for noninvasive surgery

Emad S Ebbini, Claudio Simon, Hanwoo Lee, Wonjoon Choi

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

A phased array system for therapeutic applications was shown to be capable of operating in a pulse-echo imaging mode. The transducer was characterized in synthetic aperture imaging of wire targets as well as imaging a speckle generating phantom. Theoretical and experimental results have shown that suitable images could be obtained using this 1 MHz transducer in a field of view (FOV) that matches its therapeutic focusing and steering range. Therefore, the transducer has the potential to be used in a self-guided mode where the imaging data can be used in refocusing the therapeutic beam. In this paper, we show the first experimental verification of refocusing this transducer in the presence of strongly scattering structures based on pulse-echo data.

Original languageEnglish (US)
Pages (from-to)1427-1430
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
Volume2
StatePublished - Dec 1 1999
Event1999 IEEE Ultrasonics Symposium - Caesars Tahoe, NV, USA
Duration: Oct 17 1999Oct 20 1999

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