Experimental study of the correlation between stress raisers and failure modes in spinal implants

Lars G. Gilbertson*, Vijay K. Goel, Hans F. Hoffman, Michael Pfeiffer, James Neil Weinstein

*Corresponding author for this work

    Research output: Contribution to conferencePaperpeer-review

    1 Scopus citations

    Abstract

    A wide variety of spinal implants have been designed for the treatment of spinal diseases, including posterior and anterior fixation system, artificial disc, and disc implants. In the current study, clinically relevant loads are applied to three types of spinal implants in biomechanical fatigue tests simulating scenarios of actual clinical use. The observed correlation between the location of stress raisers within the implants and the experimental fatigue failure modes indicates that knowledge of the stress raisers is essential for proper design, prescription, and use of spinal implants.

    Original languageEnglish (US)
    Pages503-504
    Number of pages2
    StatePublished - Jan 1 1995
    EventProceedings of the 1995 Bioengineering Conference - Beever Creek, CO, USA
    Duration: Jun 28 1995Jul 2 1995

    Other

    OtherProceedings of the 1995 Bioengineering Conference
    CityBeever Creek, CO, USA
    Period6/28/957/2/95

    ASJC Scopus subject areas

    • General Engineering

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