Modulated pulsed ultrasonic power delivery system and method
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United States of America Patent
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Jan 8, 2008
Grant Date -
May 13, 2004
app pub date -
Mar 12, 2003
filing date -
Oct 21, 2002
priority date (Note) -
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Abstract
A method and apparatus for delivering energy during a surgical procedure such as phacoemulsification is provided. The method and apparatus include applying energy during at least one pulsed energy on period, typically sufficient or intended to rapidly induce and beneficially employ transient cavitation. Applying energy during the pulsed energy on period comprises applying energy during a first high energy period, and applying energy during a second nonzero lower energy period.
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