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Osteogenic Effect of Ashed Bone in Fixation of Hip Implants

Published online by Cambridge University Press:  15 February 2011

Alexis S. Nash
Alexis S. Nash*
Affiliation:
Marquette University
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Abstract

The purpose of this work is to discuss the role of ashed bone reinforced Ultra-High Molecular Weight Polyethylene, UHMWPE, biocomposite in bringing about early biological fixation of hip implant by combining the high damping capacity of this composite with the osteogenic characteristic of ashed bone. This paper will present the damping results obtained for this composite containing 65 weight% ashed bone over a range of frequencies, 0.1–100 rad/s, using a forced vibration technique. Some of the data obtained for lower ash content compositions are compared. The structural characteristics of bone and ashed bone are illustrated using x-ray diffractometry, XRD, and scanning electron microscopy, SEM. The optimal ashing temperature and volume fraction of ashed bone are also significant parameters which will be discussed. The 65 weight % ashed bone composite was elected to simulate the bone mineral content and use as a bioactive agent for the enhancement of bone ingrowth in the early days post-implantation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 252: Symposium T – Tissue-Inducing Biomaterials , 1991 , 9
Copyright
Copyright © Materials Research Society 1992

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References

REFERENCES

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