A 5 mm × 5 mm Square, Aluminum Lens Based Histotripsy Transducer: Reaching the Endoscopic Form Factor

J. K. Woodacre; E. Simpson; J. A. Brown

doi:10.1109/ULTSYM.2018.8579752

A 5 mm × 5 mm Square, Aluminum Lens Based Histotripsy Transducer: Reaching the Endoscopic Form Factor

J. K. Woodacre, E. Simpson, J. A. Brown

Medicine

Medicine

Producción científica: Capítulo en Libro/Reporte/Acta de conferencia › Contribución a la conferencia

3 Citas (Scopus)

Resumen

A 5 mm × 5 mm square histotripsy transducer was built using a 1/4wavelength matching-layer coated aluminum lens bonded to an air-backed 1-3 piezoelectric composite with a 45% volume fraction of PZT5A and a 5 MHz resonance. With a focal length of 5 mm the transducer was found to have a steady-state negative pressure trend of 8.3 MPa/100 V at 6.5 MHz with a -3 dB beam width ranging from 0.107 mm to 0.118 mm. Beam length was measured to be 0.871 mm. The addition of a series tuning element allowed increased power delivery to the transducer, and a sustained cavitation bubble cloud was observed when driven at 6.5 MHz with a 350 V peak-to-peak drive voltage, 15 cycle pulse at 1 kHz PRF.

Idioma original	English
Título de la publicación alojada	2018 IEEE International Ultrasonics Symposium, IUS 2018
Editorial	IEEE Computer Society
ISBN (versión digital)	9781538634257
DOI	https://doi.org/10.1109/ULTSYM.2018.8579752
Estado	Published - dic. 17 2018
Evento	2018 IEEE International Ultrasonics Symposium, IUS 2018 - Kobe, Japan Duración: oct. 22 2018 → oct. 25 2018

Serie de la publicación

Nombre	IEEE International Ultrasonics Symposium, IUS
Volumen	2018-October
ISSN (versión impresa)	1948-5719
ISSN (versión digital)	1948-5727

Conference

Conference	2018 IEEE International Ultrasonics Symposium, IUS 2018
País/Territorio	Japan
Ciudad	Kobe
Período	10/22/18 → 10/25/18

Nota bibliográfica

Publisher Copyright:
© 2018 IEEE.

ASJC Scopus Subject Areas

Acoustics and Ultrasonics

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10.1109/ULTSYM.2018.8579752

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A 5 mm × 5 mm Square, Aluminum Lens Based Histotripsy Transducer: Reaching the Endoscopic Form Factor. / Woodacre, J. K.; Simpson, E.; Brown, J. A.
2018 IEEE International Ultrasonics Symposium, IUS 2018. IEEE Computer Society, 2018. 8579752 (IEEE International Ultrasonics Symposium, IUS; Vol. 2018-October).

Producción científica: Capítulo en Libro/Reporte/Acta de conferencia › Contribución a la conferencia

Woodacre, JK, Simpson, E & Brown, JA 2018, A 5 mm × 5 mm Square, Aluminum Lens Based Histotripsy Transducer: Reaching the Endoscopic Form Factor. En 2018 IEEE International Ultrasonics Symposium, IUS 2018., 8579752, IEEE International Ultrasonics Symposium, IUS, vol. 2018-October, IEEE Computer Society, 2018 IEEE International Ultrasonics Symposium, IUS 2018, Kobe, Japan, 10/22/18. https://doi.org/10.1109/ULTSYM.2018.8579752

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A 5 mm × 5 mm Square, Aluminum Lens Based Histotripsy Transducer: Reaching the Endoscopic Form Factor

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