Ultrasound handpiece
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United States of America Patent
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-
Jan 12, 2010
Grant Date -
Feb 23, 2006
app pub date -
Jul 18, 2005
filing date -
Aug 12, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A handpiece having at least one set of piezoelectric elements polarized to produce longitudinal motion when excited at the relevant resonant frequency. The piezoelectric crystals are connected to an ultrasonic horn to which a cutting tip is attached. The horn and/or the cutting tip contains a plurality of diagonal slits or grooves. The slits or grooves produce optimized torsional movement in the cutting tip when the piezoelectric crystals are excited at a second resonant frequency.
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