Focussing ultrasound transducer

Details Focussing ultrasound transducer Focussing ultrasound transducer

1988-09-14

1989-12-19

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Transmitter systems

With beam forming, shaping, steering, or scanning

128 24A, 12866008, 12866001, 367153, H04B 102

Patent

active

048887463

ABSTRACT:
A focussing transducer for the destruction of objects internal to a patient's body by pulses of ultrasonic waves. The transducer comprises a concave transducer surface which is divided into areas and there is a control means which can selectively activate the areas of the transducer so that the waveform arriving at the focus can adjusted.

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C. R. Hill, "Ultrasonic Imaging," Journal of Physics & Scientific Instruments, vol. 9, Mar. 1976.

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