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[Ideal total hip prosthesis in 1993]

J P Delagoutte¹, D Mainard

¹Service de Chirurgie Orthopédique et Traumatologique, C.H.U Nancy Hôpital Central.

Chirurgie; Memoires De L'Academie De Chirurgie

|January 1, 1993

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This study explores ideal total hip prostheses, focusing on material science and fixation methods for improved joint replacement outcomes. Key considerations include titanium alloys, bearing surfaces, and femoral component design for enhanced patient recovery.

Area of Science:

Biomaterials science
Orthopedic surgery
Medical device engineering

Context:

Total hip replacement aims to restore joint function.
Material selection is critical for prosthesis longevity and biocompatibility.
Current designs balance articulation, fixation, and wear resistance.

Purpose:

To define consensus ideals for total hip prostheses.
To review materials like titanium alloys, polyethylene, and alumina.
To analyze fixation techniques including cemented and press-fit methods.

Summary:

The fundamental principle involves a spherical head articulating within a hemispheric cup.
Materials include titanium alloys for the femoral component and polyethylene or alumina for the acetabular liner.

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Femoral components require precise fit and stable fixation, with options for removable heads and porous coatings.

Impact:

Improved understanding of total hip prosthesis design principles.
Guidance for material selection and fixation strategies in joint replacement.
Potential for enhanced implant longevity and patient outcomes through optimized prosthesis engineering.