Acoustic control of emboli in vivo

Details Acoustic control of emboli in vivo Acoustic control of emboli in vivo

A - Human Necessities

61

N

A61N 7/00 (2006.01)

Patent

CA 2554043

A device (30) for controlling a flow of emboli (48) in an aorta (36) of a patient. The device includes an ultrasonic transducer (44), which is configured to transmit an ultrasonic beam (52) into the aorta in a vicinity of a great origin of a neck vessel (38). A driver circuit (58) is coupled to drive the ultrasonic transducer to generate the ultrasonic beam at a frequency and power level sufficient to divert at least a target fraction of the emboli of a given type and size away from the neck vessel.

L'invention concerne un dispositif (30) contrôlant le flux d'emboles (48) dans l'aorte (36) d'un patient. Ce dispositif comprend un transducteur ultrasonore (44), permettant de transmettre un faisceau ultrasonore (52) dans l'aorte au voisinage d'un grand point de départ de vaisseau du cou (38). Un circuit d'attaque (58) est couplé pour l'attaque du transducteur ultrasonore, visant à produire le faisceau ultrasonore à une fréquence et une puissance suffisantes pour dévier au moins une partie cible des emboles, de type et de taille donnés, par rapport au vaisseau du cou considéré.

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