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Cement composite delivery system
F R Convery1, S D Devine, J M Hollis
1Division of Orthopaedics and Rehabilitation, University of California, San Diego 92103.
Abstract:
Several new and innovative techniques have recently been introduced that purport to increase the strength of polymethyl methacrylate bone cement. One of these concepts is the use of carbon and polymer fibers to form a cement composite. Bone cement composites usually 1% fiber, are very difficult to use clinically. The composite is very sticky and viscous, which precludes effective hand packing or the use of conventional delivery systems. A new delivery system for very viscous materials is presented and examples of in vitro application are shown.