Polyacrylamide gel as an acoustic coupling medium for focused ultrasound therapy.

@article{Prokop2003PolyacrylamideGA,
  title={Polyacrylamide gel as an acoustic coupling medium for focused ultrasound therapy.},
  author={Adrian F Prokop and Shahram Vaezy and Misty L Noble and Peter J. Kaczkowski and Roy W. Martin and Lawrence A. Crum},
  journal={Ultrasound in medicine & biology},
  year={2003},
  volume={29 9},
  pages={1351-8}
}
A hydrogel acoustic coupling medium was investigated as a practical alternative to water for clinical applications of focused ultrasound (US) therapy. Material characterization and functional testing of polyacrylamide gel couplers were performed. Acoustic, bulk and thermal properties were measured. Conical couplers were designed and fabricated to fit a 3.5-MHz, spherically concave transducer for functional tests, including Schlieren imaging, power efficiency measurements and in vivo hemostasis… CONTINUE READING

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