Simulations of the thermo-acoustic lens effect during focused ultrasound surgery.

@article{Hallaj2001SimulationsOT,
  title={Simulations of the thermo-acoustic lens effect during focused ultrasound surgery.},
  author={Ibrahim M. Hallaj and Robin O. Cleveland and Kullervo Hynynen},
  journal={The Journal of the Acoustical Society of America},
  year={2001},
  volume={109 5 Pt 1},
  pages={2245-53}
}
Laboratory measurements of soft tissue properties show a dependence of background propagation properties on temperature. For typical focused ultrasound surgery (FUS) applications, only the slow variations in tissue background parameters need to be accounted for when computing the outcome of a FUS sonication. The cumulative effect of slowly varying sound speed has been referred to in the literature as a thermal lens, or a thermo-acoustic lens because of its beam-distorting properties. An… CONTINUE READING

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