Volume 6, Issue 7 (July 2009)

    Fatigue to Fracture: An Informative, Fast, and Reliable Approach for Assessing Medical Implant Durability

    (Received 11 March 2009; accepted 27 May 2009)

    Published Online: 2009

    CODEN: JAIOAD

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    Abstract

    This paper compares the differences between the “test to success” and “test to fracture” paradigms for medical implant durability assessment. It recognizes that test to success can be one of the tests within test to fracture, in addition to a series of shorter cycle, higher force/deformation tests. In addition, by “testing to fracture,” one can validate the fatigue analysis capability, learn the consequences of in vitro fractures, and provide information that can either be used for product improvement or for clinicians to make life-saving decisions.


    Author Information:

    Gong, X.-Y.
    Medical Implant Mechanics, LLC, Aliso Viejo, CA

    Chwirut, D. J.
    CardioMed Device Consultants, Rockville, MD

    Mitchell, M. R.
    Mechanics and Materials Consulting, LLC, Flagstaff, AZ

    Choules, B. D.
    Med Institute, West Lafayette, IN


    Stock #: JAI102412

    ISSN: 1546-962X

    DOI: 10.1520/JAI102412

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    Author
    Title Fatigue to Fracture: An Informative, Fast, and Reliable Approach for Assessing Medical Implant Durability
    Symposium Presented at the ASTM Second Symposium on Fatigue and Fracture of Medical Metallic Materials and Devices, 2008-05-07
    Committee F04