Divergent ultrasound arrays

Details Divergent ultrasound arrays Divergent ultrasound arrays

1988-04-11

1989-12-26

Jaworski, Francis

Surgery

Truss

Pad

12866003, 128 24A, A61F 700

Patent

active

048891223

ABSTRACT:
An ultrasound hyperthermia unit for the treatment of a target tissue, includes an ultrasound transducer array (1) angled to direct sonic energy toward a target (8), wherein the array (1) comprises a plurality of divergent transducers (2) arranged radially of a central axis to provide a coherent treatment field about a central axis.
Temperature sensing means (10) may be operatively associated with the array and adapted to provide an output signal indicative of temperature values adjacent a target tumour, said signal being utilized to control the output of the transducers.
A liquid bath (5) may be provided for being located between the array (1) and the skin (14) of a patient, said liquid bath being adapted to warm or induce local hyperthermia in the skin surface. The divergent array, when associated with a water bath, allows a particularly effective treatment of physiotherapeutic conditions or neoplastic tissues without causing collateral damage.

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Lehman, J. F. ed., "Therapeutic Heat and Cold", Waverly Press, Baltimore, Md. .COPYRGT.1982 pp. 366-369, 502-505 (copy AU335).

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