Apparatus and method for ablating tissue
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United States of America Patent
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Nov 13, 2012
Grant Date -
Apr 17, 2008
app pub date -
Dec 10, 2007
filing date -
Sep 21, 1998
priority date (Note) -
Expired
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Abstract
A control system alters one or more characteristics of an ablating element to ablate tissue. In one aspect, the control system delivers energy nearer to the surface of the tissue by changing the frequency or power. In another aspect, the ablating element delivers focused ultrasound which is focused in at least one dimension. The ablating device may also have a number of ablating elements with different characteristics such as focal length.
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