Ultrasound therapy device
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United States of America Patent
Stats
-
Jan 11, 1983
Grant Date -
N/A
app pub date -
Oct 14, 1980
filing date -
Oct 14, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasound therapy device is provided which maintains a selected constant electrical drive power to a transducer regardless of the load on said transducer by means of an analog servo feedback circuit. The device is operable in either a continuous or pulsed mode and if operated in the pulsed mode, both the pulse period and the pulse duration can be selected by the operator. Circuitry is provided to prevent the operator from selecting a pulse duration greater than the selected pulse period. Touch pad input switches may be used to input values of the operating parameters, and the chosen parameters may be displayed on digital readouts on the front panel of the device.
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