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Secondary sound cla...
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Grennberg, Anders
(author)
Secondary sound classification for the assessment of focus positioning in shock-wave lithotripsy
- Article/chapterEnglish1993
Publisher, publication year, extent ...
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Lund :Medicinsk Teknik,1993
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:ltu-38005
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-38005URI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:vet swepub-contenttype
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Subject category:kon swepub-publicationtype
Notes
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Godkänd; 1993; 20080221 (ysko)
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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.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Almquist, Lars-OlofLunds universitet
(author)
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Holmner, Nils-GunnarLunds universitet
(author)
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Olsson, LennartLuleå tekniska universitet
(author)
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Luleå tekniska universitetLunds universitet
(creator_code:org_t)
Related titles
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In:IX Nordic Meeting on Medical and Biological EngineeringLund : Medicinsk Teknik
Internet link
To the university's database