Torsional ultrasonic handpiece

Details Torsional ultrasonic handpiece Torsional ultrasonic handpiece

A - Human Necessities

61

F

A61F 9/007 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2397556

A handpiece having at least one set of piezoelectric elements. The piezoelectric elements are constructed of segments that produce both longitudinal and torsional motion. An appropriate ultrasound driver drives the set of elements at the respective resonant frequencies to produce longitudinal vibration and torsional oscillation.

L'invention se rapporte à un embout à main comportant au moins un ensemble d'éléments piézo-électriques. Ces éléments piézo-électriques sont composés de segments qui produisent à la fois un mouvement longitudinal et un mouvement de torsion. Une unité de commande appropriée à ultrasons excite l'ensemble des éléments aux fréquences de résonance permettant respectivement de produire la vibration longitudinale et l'oscillation de torsion.

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