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Proceedings Paper

Acceleration and holographic studies on different types of dynamization of external fixators of the bones
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Paper Abstract

The unilateral axially dynamic fixator (Orthofix) was mounted on a sheep tibial shaft. Three fixation modes: static, dynamic controlled, and dynamic free were examined by means of double exposure holographic interferometry. Simultaneously, the acceleration was measured by an accelerometer and displayed on the monitor together with loading characteristics. The first exposure was made before the acting force was applied to the tibia plateau. The second one after the moment when the acceleration wave started to propagate through the specimen. We stated that in the case of dynamization less torsion occurs at the fracture site. So far, we have not been able to determine any correlation between results of holographic and accelerometric measurements.

Paper Details

Date Published: 1 August 1992
PDF: 6 pages
Proc. SPIE 1647, Holography, Interferometry, and Optical Pattern Recognition in Biomedicine II, (1 August 1992); doi: 10.1117/12.60202
Show Author Affiliations
Halina Podbielska, Wroclaw Technical Univ. (Poland)
Henryk T. Kasprzak, Wroclaw Technical Univ. (Poland)
Arkady S. Voloshin, Lehigh Univ. (United States)
Dietmar Pennig, Univ. Muenster (Germany)
Gert von Bally, Univ. Muenster (Germany)

Published in SPIE Proceedings Vol. 1647:
Holography, Interferometry, and Optical Pattern Recognition in Biomedicine II
Halina Podbielska, Editor(s)

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