Piezoelectric article
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United States of America Patent
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May 12, 1992
Issued Date -
N/A
app pub date -
May 16, 1989
filing date -
Dec 14, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An article of manufacture which is used in medical treatment is a concave wave focusing device and a piezoelectric surface coupled to a target locating and treatment aiming ultrasound transducer which is located between the target and the surface and which scans the target to display a target image in coincidence with a visible indication of the focal point of the focusing device.
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