Ultrasonic medical treatment device with variable focal zone

Details Ultrasonic medical treatment device with variable focal zone Ultrasonic medical treatment device with variable focal zone

A - Human Necessities

61

N

A61N 7/00 (2006.01)

Patent

CA 2590057

An ultrasonic medical treatment device takes the form of an elongate probe having an elongate wave-generating concave surface with a longitudinal axis and ultrasonic electromechanical transducer elements for vibrating said concave surface to generate ultrasonic pressure waves focused along a linear locus extending parallel to said longitudinal axis. The probe may include a monolithic piezoelectric crystal element and electrode pairs provided along the unitary or monolithic element in a spaced array.

L'invention concerne un dispositif de traitement médical à ultrasons qui se présente sous la forme d'une sonde allongée pourvue d'une surface concave allongée génératrice d'ondes présentant un axe longitudinal et des éléments de transduction ultrasonore électromécanique destinés à faire vibrer cette surface concave afin de générer des ondes ultrasonores de pression focalisées le long d'un lieu linéaire s'étendant parallèlement à l'axe longitudinal. La sonde peut comprendre un élément cristallin piézoélectrique monolithique et des paires d'électrodes disposées le long de l'élément unitaire ou monolithique dans un réseau espacé.

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