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Related Experiment Videos

Cervical arthroplasty: material properties.

Harvey E Smith1, David W Wimberley, Alexander R Vaccaro

  • 1Department of Orthopaedic Surgery and the Rothman Institute, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA.

Neurosurgical Focus
|January 8, 2005
PubMed
Summary
This summary is machine-generated.

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Cervical disc replacement offers an alternative to fusion for managing cervical disc disease. This approach aims to preserve spinal biomechanics and avoid adjacent-level degeneration, using novel prosthetic designs.

Area of Science:

  • Orthopedics
  • Spinal Surgery
  • Biomedical Engineering

Background:

  • Traditional management for cervical disc disease with neural compression involves discectomy, decompression, and fusion.
  • Concerns exist regarding adjacent-level degeneration and altered biomechanics following cervical fusion.
  • Cervical disc replacement is being investigated as an alternative to fusion.

Purpose of the Study:

  • To review the investigation of cervical disc replacement as an alternative to fusion.
  • To discuss the design considerations for cervical disc prostheses.
  • To highlight the importance of cervical spine anatomy and biomechanics.

Main Methods:

  • Review of current cervical disc prostheses under investigation.
  • Analysis of bearing surfaces (metal-on-polyethylene, metal-on-metal) and fixation methods (roughened titanium, osteoconductive coatings).

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  • Consideration of cervical spine-specific anatomy and biomechanics.

    • Main Results:

    • Cervical disc prostheses utilize metal-on-polyethylene or metal-on-metal bearing surfaces.
    • Fixation strategies involve roughened titanium surfaces and osteoconductive coatings.
    • Extrapolation from appendicular and lumbar arthroplasty requires careful consideration of cervical spine characteristics.

    Conclusions:

    • Cervical disc replacement is an emerging alternative to fusion for specific cervical disc conditions.
    • Prosthetic design must account for the unique biomechanical environment of the cervical spine.
    • Further investigation is needed, considering the distinct anatomical and biomechanical factors of the cervical spine.