Surgery – Truss – Pad
Patent
1988-06-21
1990-01-16
Cohen, Lee S.
Surgery
Truss
Pad
128 24A, A61F 700
Patent
active
048936243
ABSTRACT:
A system for delivering ultrasound hyperthermic therapy to a subject includes a plurality of piezoelectric ultrasound transducer elements arranged in a two-dimensional array to provide multiple sources of ultrasonic energy, and variable activation elements for activating the transducer elements individually and at variable electrical energy levels. A plurality of lens elements is provided for transmitting the multiple sources of ultrasonic energy to the subject, in conjunction with focusing elements which individually vary the attitude of the lens elements to change the focal regions of the individual lenses. The transducer elements and lens elements can be corresponding "pie-slice" sectors arranged in a circular array, in combination with a central circular transducer and lens.
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Cohen Lee S.
Engellenner Thomas J.
Jacobs David A.
Massachusetts Institute of Technology
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