Ultrasound wound treatment method and device

A - Human Necessities – 61 – N

Patent

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A61N 7/00 (2006.01)

Patent

CA 2436812

The method and device of the present invention for wound treatment with ultrasound standing waves includes a transducer probe (8) to produce ultrasonic waves. The ultrasonic transducer has a tip with a distal radiation surface that radiates ultrasound energy toward the surface of a wound. Ultrasound standing waves (14) occurring as a result of incident and reflected waves from the wound surface create ultrasonic radiation pressure. ultrasound radiation pressure increases the blood flow in wound area, and ultrasound waves kill bacteria, stimulate healthy tissue cell and treat wounds.

L'invention concerne un procédé et un dispositif de traitement de plaies par ondes stationnaires ultrasonores, qui comprennent une sonde à transducteur pour produire des ondes ultrasonores. Le transducteur ultrasonore comporte une pointe présentant une surface de rayonnement distale qui fait rayonner de l'énergie ultrasonore en direction de la surface d'une plaie. Les ondes stationnaires ultrasonores résultant d'ondes incidentes sur, et réfléchies par la surface de la plaie produisent une pression de rayonnement ultrasonore. Cette pression accroît le flux sanguin dans la zone de plaie, et les ondes ultrasonores permettent de tuer les bactéries, de stimuler les cellules de tissu sain et de traiter les plaies.

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