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A tactile sensor for detection of physical properties of human skin in vivo
Nihon University.
Umeå University Hospital, Department of Surgery.
1998 (English)In: Journal of Medical Engineering & Technology, ISSN 0309-1902, E-ISSN 1464-522X, Vol. 22, no 4, p. 147-153Article in journal (Refereed) Published
Abstract [en]

A spring loaded tactile sensor with displacement sensing has been evaluated for non-invasive assessment of physical properties, stiffness and elasticity, of human skin in vivo. The tactile sensor consists of a peizoelectric vibrator (61 kHz) with a vibration pickup, electronics and PC with software for measurement of the change in frequency when the sensor is attached to an object. Integrated with the tactile sensor is a displacement sensor that shows the compression of the spring that loads the sensor element against the object during measurement. Under certain conditions (e.g. fixed contact pressure) this change in frequency monitors the acoustic impedance of the object and is related to the stiffness of soft tissue. The experimental results on silicone gum and on healthy Japanese and Swedish women indicated that the instrument was able to detect changes in stiffness and elastic related properties of human skin, related to age, day-to-day variations and application of cosmetics. The instrument was concluded to be easy to handle and suitable for field work

Place, publisher, year, edition, pages
1998. Vol. 22, no 4, p. 147-153
National Category
Other Medical Engineering
Research subject
Medical Engineering for Healthcare
Identifiers
URN: urn:nbn:se:ltu:diva-13491DOI: 10.3109/03091909809032532ISI: 000074655200001PubMedID: 9680597Scopus ID: 2-s2.0-0032126579Local ID: cb60b840-0dfe-11dc-8745-000ea68e967bOAI: oai:DiVA.org:ltu-13491DiVA, id: diva2:986444
Note

Upprättat; 1998; 20070529 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2023-05-08Bibliographically approved

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Lindahl, Olof

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