Ultrasonic medical treatment apparatus
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United States of America Patent
Stats
-
Oct 2, 1990
Grant Date -
N/A
app pub date -
Sep 30, 1988
filing date -
Sep 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasonic medical treatment apparatus having an piezoelectric element for generating ultrasonic energy is provided. The element is constituted by a plurality of unit piezoelectric elements of two or more different shapes. The surface areas of these unit elements are substantially equal to each other. These unit elements can be individually removed as required.
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Cited Art Landscape
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