Apparatus and method for producing high intensity focused ultrasonic energy for medical applications
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United States of America Patent
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-
Dec 31, 2002
Grant Date -
Aug 16, 2001
app pub date -
Dec 1, 2000
filing date -
May 14, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A medical instrument uses solid tapered cones mounted to a preferably concave, spherically curved, piezoelectric ultrasound transducer which focuses and concentrates the ultrasound energy to a narrow tip so very high levels of ultrasound can be delivered to the tissue adjacent to the tip. Ultrasound matching layers or variable curvature geometries are employed at the tip aid in transferring the energy from the tip to the tissue.
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