Rectified growth of histotripsy bubbles

Wayne Kreider, Adam D. Maxwell, Tatiana Khokhlova, Julianna C. Simon, Vera A. Khokhlova, Oleg Sapozhnikov, Michael R. Bailey

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

Histotripsy treatments use high-amplitude shock waves to fractionate tissue. Such treatments have been demonstrated using both cavitation bubbles excited with microsecond-long pulses and boiling bubbles excited for milliseconds. A common feature of both approaches is the need for bubble growth, where at 1 MHz cavitation bubbles reach maximum radii on the order of 100 microns and boiling bubbles grow to about 1 mm. To explore how histotripsy bubbles grow, a model of a single, spherical bubble that accounts for heat and mass transport was used to simulate the bubble dynamics. Results suggest that th e asymmetry inherent in nonlinearly distorted waveforms can lead to rectified bubble growth, which is enhanced at elevated temperatures. Moreover, the rate of this growth is sensitive to the waveform shape, in particular the transition from the peak negative pressure to the shock front. Current efforts are focused on elucidating this behavior by obtaining an improved calibration of measured histotripsy waveforms with a fiber-optic hydrophone, using a nonlinear propagation model to assess the impact on the focal waveform of higher harmonics present at the source's surface, and photographically observing bubble growth rates.

Original languageEnglish (US)
Article number075035
JournalProceedings of Meetings on Acoustics
Volume19
DOIs
StatePublished - Jun 19 2013
Event21st International Congress on Acoustics, ICA 2013 - 165th Meeting of the Acoustical Society of America - Montreal, QC, Canada
Duration: Jun 2 2013Jun 7 2013

Fingerprint

bubbles
waveforms
cavitation flow
boiling
hydrophones
shock fronts
shock waves
fiber optics
asymmetry
harmonics
heat
radii
propagation
pulses

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

Cite this

Kreider, W., Maxwell, A. D., Khokhlova, T., Simon, J. C., Khokhlova, V. A., Sapozhnikov, O., & Bailey, M. R. (2013). Rectified growth of histotripsy bubbles. Proceedings of Meetings on Acoustics, 19, [075035]. https://doi.org/10.1121/1.4800326
Kreider, Wayne ; Maxwell, Adam D. ; Khokhlova, Tatiana ; Simon, Julianna C. ; Khokhlova, Vera A. ; Sapozhnikov, Oleg ; Bailey, Michael R. / Rectified growth of histotripsy bubbles. In: Proceedings of Meetings on Acoustics. 2013 ; Vol. 19.
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Kreider, W, Maxwell, AD, Khokhlova, T, Simon, JC, Khokhlova, VA, Sapozhnikov, O & Bailey, MR 2013, 'Rectified growth of histotripsy bubbles', Proceedings of Meetings on Acoustics, vol. 19, 075035. https://doi.org/10.1121/1.4800326

Rectified growth of histotripsy bubbles. / Kreider, Wayne; Maxwell, Adam D.; Khokhlova, Tatiana; Simon, Julianna C.; Khokhlova, Vera A.; Sapozhnikov, Oleg; Bailey, Michael R.

In: Proceedings of Meetings on Acoustics, Vol. 19, 075035, 19.06.2013.

Research output: Contribution to journalConference article

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AU - Khokhlova, Tatiana

AU - Simon, Julianna C.

AU - Khokhlova, Vera A.

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AU - Bailey, Michael R.

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Kreider W, Maxwell AD, Khokhlova T, Simon JC, Khokhlova VA, Sapozhnikov O et al. Rectified growth of histotripsy bubbles. Proceedings of Meetings on Acoustics. 2013 Jun 19;19. 075035. https://doi.org/10.1121/1.4800326