Real-time 2D imaging of thermal and mechanical tissue response to focused ultrasound

Dalong Liu, Emad S Ebbini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

An integrated system capable of performing high frame-rate two-dimensional (2D) temperature imaging in realtime is has been developed. The system consists of a SonixRP ultrasound scanner and a custom built data processing unit connected with Gigabit Ethernet (GbE). The SonixRP scanner which serves as the frontend of the integrated system allows us to have flexibilities of controlling the beam sequence and accessing the radio frequency (RF) data in realtime through its research interface. The RF data is then streamlined to the backend of the system through GbE, where the data is processed using a 2D temperature estimation algorithm running in a general purpose graphics processing unit (GPU). Using this system, we have developed a 2D high frame-rate imaging mode, M2D, for imaging the mechanical and thermal tissue response to subtherapeutic HIFU beams. In this paper, we present results from imaging subtherapetic HIFU beams in vitro porcine heart before and after lesion formation. The results demonstrate the feasibility of tissue parameter changes due to HIFU-induced lesions.

Original languageEnglish (US)
Title of host publication9th International Symposium on Therapeutic Ultrasound - ISTU 2009
Pages57-61
Number of pages5
DOIs
StatePublished - Mar 30 2010
Event9th International Symposium on Therapeutic Ultrasound, ISTU 2009 - Aix-en-Provence, France
Duration: Sep 24 2009Sep 26 2009

Publication series

NameAIP Conference Proceedings
Volume1215
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other9th International Symposium on Therapeutic Ultrasound, ISTU 2009
CountryFrance
CityAix-en-Provence
Period9/24/099/26/09

Keywords

  • High intensity focused ultrasound
  • Lesion formation
  • Monitoring
  • Noninvasive surgery
  • Parameter measurement

Fingerprint Dive into the research topics of 'Real-time 2D imaging of thermal and mechanical tissue response to focused ultrasound'. Together they form a unique fingerprint.

Cite this