Reinforced bone cement, method of production thereof and reinforcing fiber bundles therefor
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United States of America Patent
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Oct 16, 1990
Grant Date -
N/A
app pub date -
Dec 28, 1988
filing date -
Dec 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The distribution of short, fine, reinforcing fibers homogeneously throughout surgical bone cement is accomplished by adding the fibers in the form of bundles of several hundred fibers with the fibers bonded to each other with an adhesive binder that is soluble in the liquid monomer component of the bone cement. The fiber bundles are either premixed with the powdery polymer bead component of the bone cement followed by addition of the liquid monomer or the polymer and liquid are premixed into a viscous liquid and the fiber bundles are gradually added with stirring to the viscous liquid. In either case, as the adhesive binder dissolves in the liquid monomer the individual fibers are freed and continued stirring mixes the fibers homogeneously throughout the cement mass.
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