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Related Experiment Videos

Biodynamic total hip prosthesis.

F Pipino1, P M Calderale

  • 1Institute of Clinical Orthopaedics, University of Bari.

Italian Journal of Orthopaedics and Traumatology
|September 1, 1987
PubMed
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A novel biodynamic total hip prosthesis, emphasizing bone preservation and hip function, demonstrates effectiveness. This innovative design, featuring a biequatorial cup and preserved femoral neck, ensures optimal biological anchoring and fixation.

Area of Science:

  • Orthopedic surgery
  • Biomaterials science
  • Biomechanics

Background:

  • Hip prostheses aim to restore function and alleviate pain.
  • Previous designs often involved significant bone resection.
  • Long-term fixation and preservation of native bone are critical for prosthetic success.

Purpose of the Study:

  • To introduce and evaluate a novel biodynamic total hip prosthesis.
  • To assess the efficacy of a biequatorial cup design and femoral neck preservation.
  • To validate a prosthetic system prioritizing bone stock and hip function preservation.

Main Methods:

  • Development of a biodynamic total hip prosthesis based on extensive experimental and clinical data since 1968.
  • Introduction of a biequatorial cup design for anatomical acetabular positioning.

Related Experiment Videos

  • Femoral component designed for proximal cortical fixation and metaphyseal biological anchoring.

    • Main Results:

    • The prosthesis incorporates a biequatorial cup and preserves the femoral neck.
    • Femoral component features facilitate biological anchoring and total adhesion.
    • Average 3.5-year follow-up (range 1-7 years) in 280 patients confirms effectiveness.

    Conclusions:

    • The biodynamic total hip prosthesis effectively restores hip function while maximizing bone preservation.
    • The biequatorial cup design and femoral neck preservation are valid foundational principles.
    • This prosthetic system demonstrates successful biological anchoring and fixation.