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[Vacuum mixing systems for bone cement completion - comparison of different systems]
1Klinik und Poliklinik für Unfallchirurgie, Justus-Liebig-Universität Giessen, Germany. Uwe.Horas@chiru.med.uni-giessen.de
Zeitschrift Fur Orthopadie Und Ihre Grenzgebiete
|December 12, 2002
Summary
Vacuum mixing systems significantly reduce bone cement porosity, improving material properties. Choosing the right system depends on handling, mechanical, and economic factors for optimal results.
Area of Science:
- Biomaterials Science
- Orthopedic Surgery
Background:
- Vacuum mixing systems enhance bone cement properties by reducing porosity.
- Available systems vary in handling, mechanical performance, and cost.
Purpose of the Study:
- To compare available vacuum mixing systems.
- To evaluate systems based on handling, mechanical properties, and economic factors.
Main Methods:
- Eight vacuum mixing systems were assessed.
- Evaluated parameters included handling, pump performance, system tightness, air volume, filter efficiency, residual cement, and cement porosity.
Main Results:
- All vacuum mixing systems significantly reduce bone cement porosity compared to hand mixing when used correctly.
- Substantial differences exist between systems, impacting user choice and final cement quality.
Conclusions:
- Users can select and handle vacuum mixing systems optimally suited to their specific needs.
- System choice influences the quality of the mixed bone cement.