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Related Experiment Videos

Biomaterial failure.

M Spector1

  • 1Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.

The Orthopedic Clinics of North America
|April 1, 1992
PubMed
Summary
This summary is machine-generated.

Biomaterial failure, including fracture, wear, and corrosion, frequently causes hip replacement failure. Further research is needed to understand failure rates and improve orthopedic biomaterial design for longer implant survival.

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Area of Science:

  • Orthopedic surgery
  • Biomaterials science
  • Mechanical engineering

Background:

  • Total hip arthroplasty (THA) is a common procedure to address hip joint degeneration.
  • Biomaterial failure is a significant concern impacting the longevity and success of THA implants.
  • Understanding failure mechanisms is crucial for improving patient outcomes.

Purpose of the Study:

  • To review the role of biomaterial failure in total hip arthroplasty.
  • To identify primary causes of hip replacement failure.
  • To highlight knowledge gaps regarding failure prevalence and timing.

Main Methods:

  • Literature review focusing on biomaterial failure in total hip arthroplasty.
  • Analysis of reported causes of hip implant failure, including fracture, wear, and corrosion.

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  • Identification of areas requiring further investigation into material properties and in-vivo loading conditions.

    • Main Results:

    • Fracture, wear, and corrosion of biomaterials are identified as primary causes of hip replacement failure.
    • The exact prevalence and time course of these failures remain undetermined.
    • Current knowledge is insufficient to fully predict or prevent these failure modes.

    Conclusions:

    • Biomaterial failure is a key factor in total hip arthroplasty revision.
    • More research is essential to characterize orthopedic biomaterial properties and functional loading.
    • Improved prosthesis design, considering material degradation, can enhance implant longevity.