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Related Experiment Videos

A cement impactor for uniform cement penetration in the upper tibia.

Y H Kim, P S Walker, J T Deland

    Clinical Orthopaedics and Related Research
    |January 1, 1984
    PubMed
    Summary

    A novel cement impactor provides consistent and uniform cement penetration on the tibial surface, reaching desirable depths. This simple technique effectively addresses peripheral areas, crucial for preventing bone-cement interface radiolucency.

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    Relation between knee motion and ligament length patterns.

    Clinical biomechanics (Bristol, Avon)·2013

    Area of Science:

    • Orthopedic Surgery
    • Biomaterials Engineering
    • Medical Device Innovation

    Background:

    • Radiolucency at the bone-cement interface is a common complication in total knee arthroplasty.
    • Peripheral regions of the tibial component are particularly susceptible to early radiolucency.
    • Achieving adequate and uniform cement penetration is critical for long-term implant survival.

    Purpose of the Study:

    • To evaluate the efficacy of a new cement impactor for achieving consistent cement penetration on the tibial surface.
    • To assess the penetration depth and uniformity across the entire tibial surface, including peripheral zones.
    • To compare the performance of this technique with existing methods for cement application.

    Main Methods:

    • A novel cement impactor was utilized during simulated tibial surface procedures.

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  • Cement penetration depth was measured across multiple standardized regions, with a focus on peripheral areas.
  • Penetration measurements were compared against established desirable ranges from prior research.

    • Main Results:

    • The cement impactor consistently achieved adequate and uniform cement penetration on the upper tibial surface.
    • Penetration depths ranged from 2.5 to 5.5 mm, aligning with previously identified optimal ranges.
    • The technique demonstrated superior performance in achieving good cement penetration in peripheral areas compared to other methods.

    Conclusions:

    • The novel cement impactor offers a simple yet effective method for improving cement mantle quality in total knee arthroplasty.
    • Consistent and deep cement penetration, especially in critical peripheral zones, can mitigate the risk of radiolucency.
    • This technique holds promise for enhancing the longevity and success rates of tibial components in joint replacement surgery.