Patent ID: 6164968
Filing Date: 2000-12-26
Classification: A61C

Abstract:
A three-part ultrasonic dental insert for use in a handpiece having an induction coil disposed about a well and operably connected to a power supply comprising:a magnetostrictive element having a magnetostrictive stack brazed at one end in a bore formed in a distal end of a head piece, wherein the element is adapted to be received in the well and has a magnetostrictive frequency matching the coil and power supply;a velocity transducer having proximal and distal ends, wherein the proximal end is releasably attached to the head piece of the magnetostrictive element;a tip having a proximal end releasably secured to the distal end of the velocity transducer, wherein the velocity transducer and the tip are ultrasonically operable with the coil and magnetostrictive element.