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  • Grennberg, Anders, et al. (author)
  • Secondary sound classification for the assessment of focus positioning in shock-wave lithotripsy
  • 1993
  • In: IX Nordic Meeting on Medical and Biological Engineering. - Lund : Medicinsk Teknik.
  • Conference paper (other academic/artistic)abstract
    • A problem encountered when using acoustic shock-waves for kidney stone disintegration is that the positioning of the focus relative to a stone, for the best possible fragmenting effect, is crtitical. The standard methods for focus positioning are ultrasound or x-ray imaging. These methods are, however, not always sufficient and a better indication of a well positioned focus would be valuable. The secondary sound emitted as a result of each shock-wave has been found to contain valuable information. A skilled operator is able to hear from the timbre of these sound pulses when the positioning of the focus is adequate. A method for the automatic evaluation of secondary sounds, using a computer, is developed in this work.
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  • Result 1-1 of 1
Type of publication
conference paper (1)
Type of content
other academic/artistic (1)
Author/Editor
Grennberg, Anders (1)
Olsson, Lennart (1)
Almquist, Lars-Olof (1)
Holmner, Nils-Gunnar (1)
University
Luleå University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
1993 (1)

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