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Tactile resonance sensors in medicine
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Department of Urology, Stanford University School of Medicine.
Biomedical Engineering and Informatics, Umeå University Hospital.
College of Engineering, Nihon University.
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2009 (English)In: Journal of Medical Engineering & Technology, ISSN 0309-1902, E-ISSN 1464-522X, Vol. 33, no 4, p. 263-273Article in journal (Refereed) Published
Abstract [en]

Tactile sensors in general are used for measuring the physical parameters associated with contact between sensor and object. Tactile resonance sensors in particular are based on the principle of measuring the frequency shift, Δf, defined as the difference between a freely vibrating sensor resonance frequency and the resonance frequency measured when the sensor makes contact to an object. Δf is therefore related to the acoustic impedance of the object and can be used to characterize its material properties. In medicine, tactile resonance sensor systems have been developed for the detection of cancer, human ovum fertility, eye pressure and oedema. In 1992 a Japanese research group published a paper presenting a unique phase shift circuit to facilitate resonance measurements. In this review we summarize the current state-of-the-art of tactile resonance sensors in medicine based on the phase shift circuit and discuss the relevance of the measured parameters for clinical diagnosis. Future trends and applications enabled by this technology are also predicted.

Place, publisher, year, edition, pages
2009. Vol. 33, no 4, p. 263-273
National Category
Other Medical Engineering
Research subject
Medical Engineering for Healthcare
Identifiers
URN: urn:nbn:se:ltu:diva-9505DOI: 10.1080/03091900802491188PubMedID: 19384701Scopus ID: 2-s2.0-67651163601Local ID: 827ba440-ed5f-11dd-8bf2-000ea68e967bOAI: oai:DiVA.org:ltu-9505DiVA, id: diva2:982443
Note
Validerad; 2009; 20090128 (olofl)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Lindahl, Olof

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CiteExportLink to record
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  • apa
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