Ultrasonic dental tool having a light source

A - Human Necessities – 61 – C

Patent

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Details

A61C 17/20 (2006.01) A61C 1/07 (2006.01) A61C 1/08 (2006.01) A61C 3/03 (2006.01) F21L 13/06 (2006.01)

Patent

CA 2530426

An ultrasonic dental insert having at least one light source (101). A first transducer (108) generates ultrasonic vibrations. A connecting body (103) has a proximal end and a distal end having a tip (102) attached thereto. The proximal end is attached to the first transducer (108) so as to receive the ultrasonic vibrations therefrom and to transmit the ultrasonic vibrations toward the tip (102) attached to the distal end. A second transducer (99) is disposed substantially proximate to the connecting body (103) for generating a voltage signal in response to movement of a portion of the connecting body (103) according to the ultrasonic vibrations. At least one light source (101) substantially proximate to the tip (102) is connected to and receives the voltage signal from the second transducer (99) to generate light. The ultrasonic dental insert may be inserted into a handpiece for providing electromagnetic energy to the first transducer (108) to generate the ultrasonic vibrations.

L'invention concerne un insert dentaire ultrasonique présentant au moins une source lumineuse (101). Un premier transducteur (108) génère des vibrations ultrasonores. Un corps de connexion (103) présente une extrémité proximale et une extrémité distale à laquelle est fixée une pointe (102). L'extrémité proximale est fixée au premier transducteur (108) de manière à recevoir les vibrations ultrasonores et à transmettre les vibrations ultrasonores vers la pointe (102) fixée à l'extrémité distale. Un second transducteur (99) est disposé sensiblement à proximité du corps de connexion (103) de manière à générer un signal de tension en réponse au mouvement d'une partie du corps de connexion (103) en fonction des vibrations ultrasonores. Au moins une source lumineuse (101) sensiblement proche de la pointe (102) est connectée au second transducteur (99) dont elle reçoit le signal de tension pour générer de la lumière. L'insert dentaire ultrasonique peut être inséré dans un embout à main pour fournir une énergie électromagnétique au premier transducteur (108) destiné à générer les vibrations ultrasonores.

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