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Journal of Bone and Joint Surgery - British Volume, Vol 71-B, Issue 1, 39-42
Copyright © 1989 by British Editorial Society of Bone and Joint Surgery

Articles

The effect of centrifuging bone cement

JP Davies, M Jasty, DO O'Connor, DW Burke, TP Harrigan, and WH Harris

Orthopaedic Research Laboratories, Massachusetts General Hospital, Boston, MA 02114.

We have tested the porosity and fatigue life of five commonly used bone cements: Simplex P, LVC, Zimmer regular, CMW and Palacos R. Tests were conducted with and without centrifugation and with the monomer at room temperature and, except for LVC, at 0 degrees C. We found that the fatigue life of different specimens varied by a factor of nearly 100. It did not depend on porosity alone, but was more influenced by the basic composition of the cement. Simplex P when mixed with monomer at 0 degrees C and centrifuged for 60 seconds had the highest fatigue life and was still sufficiently liquid to use easily.




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