Apparatus for treating a subject with focused ultrasound waves
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Jun 20, 1997
filing date -
Dec 23, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for treating a subject with focused ultrasound waves has an ultrasound transducer composed of a number of ultrasound transducer elements. Each ultrasound transducer element has a memory connected thereto in which, during operation, a bit pattern corresponding to a desired position of the focus of the ultrasound waves is stored. A control unit cyclically addresses the individual memories in parallel such that electrical signals offset in time relative to one another according to the desired position of the focus are present at the respective data outputs of the memories, and these signals are supplied to the respective ultrasound transducer elements connected to the data outputs of the memories.
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