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Secondary sound classification for the assessment of focus positioning in shock-wave lithotripsy
Lunds universitet.
Lunds universitet.
Luleå tekniska universitet.
1993 (English)In: IX Nordic Meeting on Medical and Biological Engineering: abstracts ; regional meeting of the IFMBE., Lund: Medicinsk Teknik , 1993Conference paper, Meeting abstract (Other academic)
Abstract [en]

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.

Place, publisher, year, edition, pages
Lund: Medicinsk Teknik , 1993.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-38005Local ID: c3dd5700-e084-11dc-9e29-000ea68e967bOAI: oai:DiVA.org:ltu-38005DiVA: diva2:1011504
Conference
Nordic Meeting on Medical and Biological Engineering : 13/06/1993 - 16/06/1993
Note
Godkänd; 1993; 20080221 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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Grennberg, Anders
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CiteExportLink to record
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  • apa
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Output format
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