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Related Experiment Videos

Long-term results with the uncemented thrust plate prosthesis (TPP)

A H Huggler1, H A Jacob, H Bereiter

  • 1Orthopedic Department, Kantonspital, Chur, Switzerland.

Acta Orthopaedica Belgica
|January 1, 1993
PubMed
Summary

The novel Thrust Plate Prosthesis (TPP) offers a viable alternative for hip replacement, showing excellent long-term clinical and radiological outcomes. Its unique design preserves bone stock, making it ideal for younger patients needing joint replacement.

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Materials Science

Background:

  • The study evaluates the long-term clinical results of the Thrust Plate Prosthesis (TPP), a novel concept in total joint replacement.
  • The TPP utilizes direct load transfer to the medial cortical bone of the femoral neck, a principle unchanged since 1978.

Observation:

  • Clinical and radiological follow-up was conducted on 162 patients implanted between 1980 and 1991.
  • Histological examination of an 8-year-old implant revealed new bone formation in direct contact with the thrust plate, without intervening fibrous tissue.

Findings:

  • The Thrust Plate Prosthesis demonstrated good long-term clinical and radiological results.
  • Histological findings validated the biomechanical principle of the TPP, showing excellent osseointegration.

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  • The TPP is confirmed as a valid alternative to conventional hip prostheses.

    • Implications:

    • The TPP's biomechanical principle is validated by clinical and histological evidence.
    • The prosthesis requires minimal bone stock removal, offering advantages for younger patients.
    • The TPP presents a significant alternative to conventional intramedullary anchored stem prostheses.