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Inexpensive bone cement substitute for vertebral cement augmentation training.

Marianne Hollensteiner, Markus Samrykit, Michael Hess

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
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    Summary

    Developing effective training for vertebral compression fracture surgery is crucial. A new, inexpensive bone cement substitute was identified, mimicking real bone cement for surgical simulation and improving surgeon training.

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    Area of Science:

    • Orthopedic surgery
    • Biomaterials science
    • Medical simulation

    Background:

    • Percutaneous cement augmentation is a surgical technique used for vertebral compression fractures.
    • Complications from low-viscosity bone cement leakage occur in 5-15% of cases.
    • Surgeons require familiarity with bone cement rheology for safe intraoperative application, necessitating effective training.

    Purpose of the Study:

    • To develop and evaluate inexpensive bone substitutes for simulating real bone cement in training.
    • To identify a cost-effective material that accurately mimics the properties of bone cement for surgical simulation.

    Main Methods:

    • Twenty-three inexpensive bone substitutes were developed and tested.
    • Cement application measurements were performed.
    • A mathematical model of the measurement setup was created to analyze rheological properties.

    Main Results:

    • A bone substitute based on Technovit 3040, with radical catchers and additives, was identified.
    • This substitute demonstrated properties comparable to real bone cement for augmentation training.
    • The use of expensive real cement in simulators was found to be a limiting factor.

    Conclusions:

    • An appropriate and cost-effective bone cement substitute has been identified for training in cement augmentation procedures.
    • This development can enhance surgical training for vertebral compression fractures by overcoming the limitations of expensive materials.
    • The validated bone substitute offers a viable alternative for hybrid simulators, improving accessibility and effectiveness of surgical training.