Focused ultrasound ablation devices having selectively actuatable emitting elements and methods of using the same
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United States of America Patent
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Nov 10, 2009
Grant Date -
Jan 22, 2004
app pub date -
Jun 20, 2003
filing date -
Jan 19, 2000
priority date (Note) -
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Abstract
A focused ultrasound ablation device and method includes an ultrasound emitting member having a plurality of individual ultrasound emitting elements arranged in an array. The ultrasound emitting elements are actuatable to emit ultrasound energy and focus the emitted ultrasound energy a predetermined distance from the ultrasound emitting member such that the ultrasound energy is focused within anatomical tissue adjacent which the ultrasound emitting member is positioned. The anatomical tissue is heated by the ultrasound energy focused therein to form an internal lesion within the tissue. The ultrasound emitting elements are selectively, independently actuatable, allowing selected ones of the ultrasound emitting elements to be actuated to emit ultrasound energy to obtain a lesion of desired or selected size and/or surface configuration in the tissue of a particular patient.
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