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The present work describes the design of ultrasound transducers for lung monitoring. The central frequency shall be in the range of 50 to 150 kHz. A belt of transducers will be attached to the human thorax, the geometry of the tranducers must be compatible with the bedside use. It is investigated the acoustic field, the effect of a backing material to absorb the backward acoustic waves and the mechanical longitudinal stiffness of the transducer. A structural modal analysis of the transducer reveals the vibration modes of the contact plate. Numerical simulations of the transducer attached to a biological tissue are performed.
This presentation is part of Minisymposium “MS77 - Advances in Ultrasound Tomography (2 parts)”
organized by: Jennifer Mueller (Colorado State University) , Raul Gonzalez Lima (Universidade de São Paulo) .