Surgery – Truss – Pad
Patent
1988-06-21
1990-07-03
Cohen, Lee S.
Surgery
Truss
Pad
128 24A, 73618, A61N 500
Patent
active
049382179
ABSTRACT:
A therapeutic ultrasound hyperthermia system utilizes a phased array of ultrasound transducer elements. By varying the phase delays in the excitation of individual transducer elements, the focal depth of the ultrasonic beam can be varied, without changing the distance between the transducer and the patient. The phased array of transducer elements can be an array of rectangular elements which are rotated about an axis to deliver ultrasound to the target region while minimizing overall heating effect in the treatment areas outside the target region.
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Cohen Lee S.
Engellenner Thomas J.
Jacobs David A.
Massachusetts Institute of Technology
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