Improved apparatus for ultrasonic therapeutic treatment

A - Human Necessities – 61 – N

Patent

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Details

A61N 7/00 (2006.01) A61B 8/00 (2006.01) A61B 8/08 (2006.01) B06B 1/02 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2264235

The method and apparatus of the invention is directed to treating skeleto/muscular injuries or of diagnosing bone fractures and comprises applying to an external surface of the tissue a two component source of energy, each component having a different frequency in the range between 10 kHz and 4 MHz. This may be done by applying to an external surface of overlying tissue an application head and transmitting therethrough an ultrasonic wave comprising a low frequency carrier wave onto which is superimposed a high frequency transmission. Alternatively the method may comprise steps of applying to an external surface of the tissue an application head which comprises a first member capable of emitting energy at a comparatively low frequency, optionally in the region of between 10 and 110 kHz and applying also energy generated by a second piezo electric source at a frequency in the region of 0.5 to 3 MHz.

La présente invention concerne une méthode et un appareil destinés à traiter les lésions osseuses/musculaires ou à diagnostiquer les fractures osseuses, consistant à appliquer sur la surface extérieure du tissu une source d'énergie à deux composantes, chaque composante présentant une fréquence différente comprise dans une plage de 10 kHz à 4 MHz. On applique sur la surface extérieure du tissu sus-jacent une tête d'application au travers de laquelle est transmise une onde ultrasonique comprenant une onde porteuse à basse fréquence à laquelle on superpose une onde à haute fréquence. Selon un autre mode de réalisation, la méthode peut consister à appliquer sur la surface extérieure du tissu une tête d'application munie d'un premier élément pouvant émettre de l'énergie à une fréquence comparativement basse, comprise facultativement dans une plage de 10 à 110 kHz, et à appliquer également l'énergie produite par une deuxième source piézoélectrique à une fréquence comprise dans une plage de 0,5 à 3 MHz.

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