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Proceedings Paper

Speckle photography in biomechanical testing
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Paper Abstract

The application of speckle photography in biomechanical testing of bones and surgical fixing devices is presented. Double-exposure speckle photography is used for measuring the in-plane deformation of broken lower leg bones supported with different fixing devices under axial loading. An osteosynthesis plate, an external fixator, and an intramedullar nail mounted on the tibia shaft are tested. The results for different loading conditions are analyzed and compared with those obtained by holographic interferometry. Further, the human hyoid bone is investigated by this method. The load is applied to the anterior surface of the body of the bone. All tested specimen show an asymmetric displacement, the greatest in a plane vertical to the load. An evaluation of fracture behavior can be done from the displacement pattern.

Paper Details

Date Published: 1 February 1994
PDF: 12 pages
Proc. SPIE 2083, Microscopy, Holography, and Interferometry in Biomedicine, (1 February 1994); doi: 10.1117/12.167444
Show Author Affiliations
Henryk T. Kasprzak, Technical Univ. of Wroclaw (Poland)
Halina Podbielska, Technical Univ. of Wroclaw (Poland)

Published in SPIE Proceedings Vol. 2083:
Microscopy, Holography, and Interferometry in Biomedicine
Adolf Friedrich Fercher; Aaron Lewis; Halina Podbielska; Herbert Schneckenburger; Tony Wilson, Editor(s)

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