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Blood flow dynamics under venipuncture and viscosity estimation from pressure and flow variations
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
2013 (English)In: Acoustical Physics, ISSN 1063-7710, E-ISSN 1562-6865, Vol. 59, no 1, 109-114 p.Article in journal (Refereed) Published
Abstract [en]

We have calculated the nonstationary flow of a viscous liquid in a narrow tube under the action of pressure variations with time. Such a flow accompanies venipuncture the procedure of taking a sample from a vein with a hypodermic needle. We show how the changes in the flow characterstics during venipuncture make it possible to actively estimate viscosity. This method is "nonperturbative" for blood in the sense that the measurement process weakly affects the measured quantity. It may find application in medicine.

Place, publisher, year, edition, pages
MAIK NAUKA/INTERPERIODICA/SPRINGER , 2013. Vol. 59, no 1, 109-114 p.
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:bth-6997DOI: 10.1134/S1063771013010168ISI: 000313068200014Local ID: oai:bth.se:forskinfo93986AEED8A9EC8BC1257B5F0037CC78OAI: oai:DiVA.org:bth-6997DiVA: diva2:834560
Available from: 2013-05-02 Created: 2013-05-02 Last updated: 2015-09-25Bibliographically approved

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