Impacted bone stiffness measured during construction of morsellised bone samples

Journal of Biomechanics
Lars FosseL Grande

Abstract

Impacted morsellised bone is widely used for filling bone deficiencies during revision of total hip arthroplasties. However, the physical properties and mechanical behaviour of this bone material are still not well understood. In this study we recorded the increase of stiffness in pellets of morsellised bone during their construction. The construction of bone pellets was measured stroke-by-stroke to ascertain optimal stiffness. We have derived an impact-constrained module of elasticity, which represents the dynamic resistance in the granulated bone mass to impaction. Drop level of the impaction slap hammer increases constrained bone stiffness during impaction and load. However, increasing the number of impaction strokes at the highest drop level does not improve stiffness properties; no significant increase in stiffness was achieved after five strokes on each layer of morsellised bone.

References

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Citations

Jan 25, 2011·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Haruhiko AkiyamaTakashi Nakamura
Jan 16, 2010·Cell and Tissue Banking·Iain R McNamara
Aug 2, 2006·Computer Methods in Biomechanics and Biomedical Engineering·A T M PhillipsA H R W Simpson
Jul 25, 2009·Journal of the Mechanical Behavior of Biomedical Materials·Knut B Lunde, Bjørn Skallerud
May 29, 2008·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Carolyne AlbertGöran Fernlund
Jul 16, 2010·Journal of Biomedical Materials Research. Part a·Cameron LuttonBen Goss
Nov 29, 2005·Biomaterials·Andrew PhillipsAsif Usmani
Jun 28, 2016·Cell and Tissue Banking·Christian FölschAlexander Jahnke
Jun 2, 2006·Journal of Biomedical Materials Research. Part a·Lars FosseRolf B Sandven
Dec 3, 2008·Journal of Biomechanical Engineering·Knut B LundeBjørn Skallerud
Oct 17, 2007·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·S Y MakA W Miles

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