Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1998-05-28
2000-12-26
Wilson, John J.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433 86, A61C 107
Patent
active
061649686
ABSTRACT:
A three-part ultrasonic dental insert and replacement system used in a handpiece having an induction coil disposed about a well and operably connected to power supply. The three parts include a magnetostrictive element, a velocity transducer and a tip. The magnetostrictive element has a crown at one end which is releasably attached to a distal end of the velocity transducer. The tip is releasably attached to a proximal end of the velocity transducer. The insert can comprise a set of interchangeable tips wherein the velocity transducer and the tips are ultrasonically operable with the coil and the magnetostrictive element. The three-part replacement system comprises a set of the magnetostrictive coils and a set of the velocity transducer elements, as well as the interchangeable tips. The velocity transducer and tip sets include a plurality of transducer-tip combinations ultrasonically operable at the ultrasonic frequencies of the magnetostrictive elements.
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Lundeen Daniel N.
Wilson John J.
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