The effect of centrifugation on the mechanical properties of cement. An in vitro total hip-arthroplasty model.
biomechanical · Level V
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Abstract
An in vitro total hip-arthroplasty model was evaluated to determine if centrifugation of bone cement results in greater static strength and low-cycle fatigue strength than hand-mixing. The static-failure test of the stem, cement, and simulated bone composite demonstrated that the centrifuged cement had significantly greater static strength than the hand-mixed cement. However, under low-cycle fatigue tests on the same composite models, the centrifuged and hand-mixed specimens were not significantly different.
Medical subject headings
- Bone Cements
- Centrifugation
- Hip Prosthesis
- Tensile Strength
Anatomy
- hip