Communications - Scientific Letters of the University of Zilina 2011, 13(11):83-86 | DOI: 10.26552/com.C.2011.2A.83-86

Artificial Heart Valve Inspection Using Eddy Current Techniques

Tatiana Strapacova1, Klara Capova1, Ladislav Janousek1
1 Department of Electromagnetic and Biomedical Engineering, Faculty of Electrical Engineering, University of Zilina, Slovakia

This paper discusses about minimally invasive techniques to detect the single leg fracture in special type of artificial heart valve called Bjork Shiley Convexo - Concave (BSCC). The fracture affects the outlet strut of these artificial heart valve and it is needed to detect it. For this purpose the electromagnetic methods based on eddy current testing were used. The coils are excited in the selected range of the frequencies for identification of the fractures in the outlet strut. The fractures occurring in BSCC heart valve and their numerical simulations are described. The results obtained with a prototype setup are presented and they demonstrate the usefulness of described techniques for detection of the outlet strut fractures in BSCC artificial heart valve.

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Published: July 31, 2011  Show citation

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Strapacova, T., Capova, K., & Janousek, L. (2011). Artificial Heart Valve Inspection Using Eddy Current Techniques. Communications - Scientific Letters of the University of Zilina, 13(2A), 83-86. doi: 10.26552/com.C.2011.2A.83-86
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    References

    1. VAN NEER, P.: The Bjork-Shiley valve: Detecting Broken Struts Using Standards Diagnostic Ultrasound Instruments, MSc Thesis, 2005
    2. BRAUER, H., ZIOLKOWSKI, M.: Eddy Current Testing of Metallic Sheet with Defects Using Force Measurements, Serbian J. of Electrical Eng., Vol.5, No.1, May, pp. 11-20
    3. CHAN SHIU C., YUE LI, UDPA LALITA, UDPA SATISH S.: Electromagnetic Techniques for Detecting Strut Failures in Artificial Heart Valve, Electromagnetic Nondestructive Evaluation, Vol. 26, Studies in Applied Electromagnetics and Mechanics, G. Dobmann, ISBN 1-58603-594-0
    4. STRAPACOVA, T., CAPOVA, K.: Influence of Selected Parameters on Detection of Heart Valves Outlet Strut Fractures Using ECT Method, Int'l Conference AMTEE 2009, Cheb, ISBN 978-80-7043-821-3.
    5. JANOUSEK, L., MAREK, T., GOMBARSKA, D.: Eddy Current Non-destructive Testing of Conductive Materials, Communications - Scientific Letters of the University of Zilina, No. 8, 2006, pp. 29-33, ISSN 1335-4205. Go to original source...

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