High frequency array ultrasound system

G - Physics – 01 – S

Patent

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Details

G01S 7/52 (2006.01) G01S 15/89 (2006.01)

Patent

CA 2628100

A system for acquiring an ultrasound signal comprises a signal processing unit adapted for acquiring a received ultrasound signal from an ultrasound transducer having a plurality of elements. The system is adapted to receive ultrasound signals having a frequency of at least 20 megahertz (MHz) with a transducer having a field of view of at least 5.0 millimeters (mm) at a frame rate of at least 20 frames per second (fps). The signal processing can further produce an ultrasound image from the acquired ultrasound signal. The transducer can be a linear array transducer, a phased array transducer, a two- dimensional (2-D) array transducer, or a curved array transducer.

La présente invention concerne un système d'acquisition d'un signal ultrasonore, lequel comprend un module de traitement de signal conçu pour acquérir un signal ultrasonore reçu d'un transducteur ultrasonore composé d'une pluralité d'éléments. Le système permet de recevoir des signaux ultrasonores d'une fréquence minimum de 20 mégahertz (MHz) au moyen d'un transducteur qui présente un champ de vision minimum de 5 millimètres (mm) à une fréquence de trames minimum de 20 trames par seconde (fps). Le module de traitement de signal peut en outre produire une image ultrasonore à partir du signal ultrasonore acquis. Le transducteur peut être un transducteur en réseau linéaire, un transducteur en réseau à commande de phase, un transducteur en réseau bidimensionnel ou un transducteur en réseau incurvé.

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