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Hand-held resonance sensor instrument for soft tissue stiffness measurements: a first study on biological tissue in vitro
Umeå universitet.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2010 (English)In: XIIth Mediterranean Conference on Medical and Biological Engineering and Computing 2010: [MEDICON 2010] ; May 27 - 30, 2010, Chalkidiki, Greece / [ed] Panagiotis D. Bamidis; Nicolas Pallikarakis, Berlin: Springer Science+Business Media B.V., 2010, p. 463-466Conference paper, Published paper (Refereed)
Abstract [en]

A stiffness sensitive sensor capable of measuring the stiffness of a soft object through contact has been implemented through the resonance sensor technique. This technique is based on a piezoelectric element in a feedback circuit configuration. At contact with a soft tissue the resonance frequency changes and together with force measurement it is possible to estimate the elastic stiffness of the measured object. Earlier sensor implementations have been limited to controlled indentation setups. Recently, the hand-held resonance sensor concept was introduced and evaluated on a soft tissue phantom. The aim of this study was to investigate the concept on soft biological tissue, specifically to investigate if the measured stiffness was impression speed independent. Measurements were conducted on porcine muscle tissue and a stiffness parameter and an impression speed parameter were calculated. Correlation analysis showed weak non-significant correlation suggesting that the stiffness was independent of impression speed. This was promising for further studies with the handheld resonance sensor on soft biological tissue.

Place, publisher, year, edition, pages
Berlin: Springer Science+Business Media B.V., 2010. p. 463-466
Series
International Federation for Medical and Biological Engineering Proceedings (IFMBE Proceedings), ISSN 1680-0737 ; 29
National Category
Other Medical Engineering
Research subject
Medical Engineering for Healthcare
Identifiers
URN: urn:nbn:se:ltu:diva-31053DOI: 10.1007/978-3-642-13039-7_116Scopus ID: 77957598314Local ID: 5195b810-6e5b-11df-ab16-000ea68e967bISBN: 978-3-642-13038-0 (print)ISBN: 978-3-642-13039-7 (electronic)OAI: oai:DiVA.org:ltu-31053DiVA, id: diva2:1004282
Conference
Mediterranean Conference on Medical and Biological Engineering and Computing : 27/05/2010 - 30/05/2010
Note
Validerad; 2010; 20100602 (olofl)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Lindahl, Olof

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CiteExportLink to record
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Citation style
  • apa
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