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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.

Orthopaedic Review
|September 1, 1986
PubMed
Summary
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New polymethyl methacrylate bone cement composites reinforced with carbon and polymer fibers are difficult to handle. A novel delivery system was developed to address the high viscosity and stickiness of these advanced bone cements.

Area of Science:

  • Biomaterials science
  • Orthopedic surgery

Background:

  • Polymethyl methacrylate (PMMA) bone cement is widely used in orthopedic procedures.
  • Enhancing PMMA bone cement strength is an active area of research.
  • Fiber reinforcement, using carbon and polymer fibers, is a promising approach to increase PMMA strength.

Purpose of the Study:

  • To address the clinical handling challenges associated with fiber-reinforced PMMA bone cement composites.
  • To introduce and demonstrate a new delivery system designed for highly viscous materials like fiber-reinforced bone cement.

Main Methods:

  • Development of a novel delivery system capable of handling very viscous materials.
  • In vitro application of the new delivery system with fiber-reinforced PMMA bone cement composites.

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Main Results:

  • The developed delivery system effectively managed the high viscosity and stickiness of the PMMA bone cement composites.
  • Successful in vitro demonstrations of the cement application were achieved, showcasing the system's utility.

Conclusions:

  • Fiber-reinforced PMMA bone cement composites offer potential for increased strength.
  • The novel delivery system overcomes significant handling challenges, enabling clinical application of these advanced materials.