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Título del libro: Pan American Health Care Exchanges, Pahce 2010
Título del capítulo: The use of a novel acoustic matching material in the construction of an ultrasonic Doppler transducer for medical application

Autores UNAM:
IVONNE GRISEL SANCHEZ CERVANTES; PEDRO JESUS ACEVEDO CONTLA;
Autores externos:

Idioma:
Inglés
Año de publicación:
2010
Palabras clave:

Acoustic matching; Associated electronics; Blood flow measurement; Design and construction; Doppler; Fixed angles; Internal angles; Quadrature demodulation; Resonance frequencies; Ultrasonic doppler; Blood; Flow measurement; Flowmeters; Health care; Hemodynamics; Medical applications; Piezoelectric ceramics; Piezoelectricity; Resonance; Ultrasonic equipment; Ultrasonic measurement; Ultrasonic transducers; Ultrasonic waves; Ultrasonics; Transducers


Resumen:

The design and construction of an ultrasonic Doppler transducer with a fixed angle for medical application using a novel acoustic matching material are described. This transducer was constructed using an 8 MHz commercial piezoelectric ceramic (PIC255) and REXOLITE which is an excellent acoustic matching material. The objective of the present work was the design and construction of an ultrasonic transducer using REXOLITE, this transducer will be part of a Doppler blood flow measurement system, the novelty of this transducer is that it includes an internal angle (45°). The resonance frequency is around 5 MHz. The transducer must work with the associated electronics using quadrature demodulation generated for the ultrasonic Doppler blood flow signal. © 2010 IEEE.


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