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Modeling piezoelectric ultrasonic transducers for physiotherapy

ultrasound
piezoelectric transducers
physiotherapy
Iglesias, E.; De Frutos, J.; Montero De Espinosa, F.
Boletín de la Sociedad Española de Cerámica y Vidrio, V54, N6, 2015, pp. 231-235
https://doi.org/10.1016/j.bsecv.2015.10.002

Applications of ultrasound are well known in medical and aesthetic skin and subcutaneous fatty tissue mobilization treatments. The basic transducer used consists of a piezoelectric disk adhered to a metal delay line in capsule shape. The capsule design is critical since the two bonded elements have vibration modes which can cause very inefficient designs and vibration distributions very irregular if they are not properly studied and utilized. This must be known to avoid distributions of heat and sound pressure that could be ineffective or harmful.

In this paper, using Finite Element Method and laser interferometric vibrational analysis, it has reached a piston-type solution that allows properly implement sound pressure vibration dose.

Financiación

El trabajo se ha realizado con financiación de los proyectos CICYT DPI2013-46915-C2-1-R y MAT2013-48009-C4-3-P.

ULAB

proyecto/s relacionado/s

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Acoustics and Non Destructive Evaluation (DAEND)
  • Environmental Acoustics (GAA)
  • G Carma: Materials Characterization by Non Destructive Evaluation
  • ULAB, Ultrasounds for Liquid Analysis and Bioengineering
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  • Research group on Cryptology and Information Security (GiCSI)
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  • Ultrasonic Resonators for cavitation and micromanipulation (RESULT)
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  • Laboratorio de Acústica
  • Laboratorio de Metrología Ultrasónica Médica (LMUM)
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