Ultrasonic probe

Details Ultrasonic probe Ultrasonic probe

H - Electricity

04

R

H04R 1/02 (2006.01) A61B 8/00 (2006.01) A61B 8/12 (2006.01) H04R 17/00 (2006.01)

Patent

CA 2482822

An ultrasonic probe comprising an ultrasonic element for transmission and receiving of ultrasonic waves, a sound window provided so as to enclose the ultrasonic element and an ultrasonic wave propagation liquid charged in the sound window, characterized in that a barrier layer capable of inhibiting the permeation of liquids and gases is provided on a wall surface of the sound window. As the barrier layer, use can be made, for example, of one including at least one of a polyparaxylylene layer and a metal layer.

L'invention concerne une sonde ultrasonore comprenant un élément ultrasonore permettant la transmission et la réception d'ultrasons, une fenêtre acoustique conçue pour entourer l'élément ultrasonore, et un liquide de propagation des ultrasons chargé dans la fenêtre acoustique. Cette sonde ultrasonore présente la caractéristique de comprendre une couche barrière capable de bloquer la pénétration de liquides et de gaz, laquelle couche est déposée sur une surface d'une paroi de la fenêtre acoustique. Cette couche barrière peut être une couche de polyparaxylylène ou d'une couche métallique.

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