Characterization and modification of cavitation pattern in shock wave lithotripsy

Manish Arora, Claus Dieter Ohl, Marko Liebler

Research output: Contribution to journalArticleAcademic

3 Citations (Scopus)
79 Downloads (Pure)

Abstract

The temporal and spatial dynamics of cavitation bubble cloud growth and collapse in extracorporeal shock wave lithotripsy (ESWL) is studied experimentally. The first objective is obtaining reproducible cloud patterns experimentally and comparing them with FDTD-calculations. Second, we describe a method to modify the cavitation pattern by timing two consecutive pressure waves at variable delays. It is found that the spatial and temporal dynamics of the cavitation bubble can be varied in large ranges. The ability to control cavitation dynamics allows discussing strategies for improvement of medical and biological applications of shock waves such as cell membrane poration and stone fragmentation.
Original languageEnglish
Pages (from-to)155
JournalJournal of physics: Conference series
Volume1
Issue number1
DOIs
Publication statusPublished - 2004
EventAdvanced Metrology for Ultrasound in Medicine, AMUM 2004 - National Physical Laboratory, Teddington, United Kingdom
Duration: 27 Apr 200428 Apr 2004

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