Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The problem of surface damage in polyethylene total knee components.

T M Wright, D L Bartel

    Clinical Orthopaedics and Related Research
    |April 1, 1986
    PubMed
    Summary

    Patient weight and implant duration significantly worsen total knee polyethylene component damage. Thinner components, flatter tibial surfaces, and carbon-reinforced materials also increase surface damage severity.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Low-level cyclic tibial compression attenuates early osteoarthritis progression after joint injury in mice.

    Osteoarthritis and cartilage·2019
    Same author

    Do oxidized zirconium heads decrease tribocorrosion in total hip arthroplasty? A study of retrieved components.

    The bone & joint journal·2019
    Same author

    Antioxidant-stabilized highly crosslinked polyethylene in total knee arthroplasty: a retrieval analysis.

    The bone & joint journal·2018
    Same author

    Role of subchondral bone properties and changes in development of load-induced osteoarthritis in mice.

    Osteoarthritis and cartilage·2017
    Same author

    Oxidised zirconium <i>versus</i> cobalt alloy bearing surfaces in total knee arthroplasty: 3D laser scanning of retrieved polyethylene inserts.

    The bone & joint journal·2017
    Same author

    Reverse total shoulder arthroplasty: current concepts, results, and component wear analysis.

    The Journal of bone and joint surgery. American volume·2010

    Area of Science:

    • Biomaterials Science
    • Orthopedic Engineering
    • Wear Science

    Background:

    • Surface damage on retrieved total knee polyethylene components is a clinical concern.
    • Understanding damage mechanisms is crucial for improving implant longevity.

    Purpose of the Study:

    • To identify key clinical and design factors influencing surface damage on total knee polyethylene components.
    • To correlate patient-specific factors and design variables with observed polyethylene damage.

    Main Methods:

    • Combined analysis of retrieved total knee polyethylene components with experimental and analytical contact mechanics studies.
    • Investigated the impact of patient weight, implantation time, component thickness, articulating surface conformity, and polyethylene material type.

    Related Experiment Videos

    Main Results:

    • Increased patient weight and longer implantation duration significantly elevate the amount and severity of surface damage.
    • Thinner components ( < 4-6 mm) and flatter tibial articulating surfaces exhibit more severe damage.
    • Carbon-reinforced polyethylene components are associated with more extreme surface damage compared to plain polyethylene.

    Conclusions:

    • Patient weight and implant duration are critical clinical factors driving polyethylene wear in total knee replacements.
    • Component design, including thickness and surface conformity, significantly influences wear patterns.
    • Material choice, specifically carbon-reinforced polyethylene, presents a higher risk for severe surface damage.