An in situ calibration of an ultrasound transducer: a potential application for an ultrasonic indentation test of articular cartilage.

@article{Suh2001AnIS,
  title={An in situ calibration of an ultrasound transducer: a potential application for an ultrasonic indentation test of articular cartilage.},
  author={Jung Kee Suh and Inchan Youn and F. Fu},
  journal={Journal of biomechanics},
  year={2001},
  volume={34 10},
  pages={1347-53}
}
A change in mechanical properties of articular cartilage would be considered one of the most reliable signs of cartilage degeneration. While an indentation method has the potential to measure the cartilage properties in vivo, an accurate measurement of cartilage thickness in situ is technically difficult. An ultrasound transducer has often been used to measure the cartilage thickness. However, its accuracy is limited by the lack of an accurate measurement of the ultrasound speed of cartilage… CONTINUE READING

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