Apparatus and method for treating gynecological diseases...

A - Human Necessities – 61 – B

Patent

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A61B 17/32 (2006.01) A61B 17/22 (2006.01)

Patent

CA 2474385

An apparatus and a method for treating gynecological diseases using an ultrasonic medical device (10) operating in a transverse mode to cause fragmentation of diseased tissue without the excision of adjacent non-diseased tissue. The ultrasonic medical device (10) includes an elongated probe (20) having a proximal end (22), a distal end (24), and a longitudinal axis that can be inserted into a body lumen, and an ultrasonic generator (99) for providing ultrasonic energy to the elongated probe (20) for emission along the longitudinal axis of the elongated probe (20) to the tissue adjacent the body lumen, wherein the ultrasonic energy creates a standing transverse wave in the elongated probe (20). A method includes inserting a member (20) having a longitudinal axis into the body cavity, providing ultrasonic energy to the member (20) and generating an area of cavitation along the longitudinal axis of the member (20).

L'invention concerne un appareil et un procédé destinés à traiter des maladies gynécologiques au moyen d'un dispositif médical à ultrasons (10) fonctionnant en mode transversal afin d'entraîner la fragmentation des tissus malades sans ablation des tissus adjacents non malades. Le dispositif médical à ultrasons (10) comprend une sonde de forme allongée (20) possédant une extrémité proximale (22), une extrémité distale (24) et un axe longitudinal pouvant être introduit dans une lumière corporelle ainsi qu'un générateur d'ultrasons (99) destiné à fournir une énergie ultrasonore à la sonde de forme allongée (20) en vue d'une émission le long de l'axe longitudinal de celle-ci (20) au niveau des tissus situés à proximité de la lumière corporelle, cette énergie ultrasonore créant une onde stationnaire transversale dans la sonde de forme allongée (20). Le procédé de l'invention consiste à insérer un élément (20) possédant un axe longitudinal dans la cavité corporelle, à alimenter l'élément (20) en énergie ultrasonore et à générer une zone de cavitation le long de l'axe longitudinal de l'élément (20).

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