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Vibratory insertion of press-fit acetabular components requires less force than a single blow technique.

Yasaman NikiGerd HuberKambiz BehzadiMichael M Morlock
Published in: Bone & joint research (2024)
Vibratory implant insertion may lower periprosthetic fracture risk by reducing impaction forces, particularly in low-quality bone. Achieving implant seating using vibratory insertion requires adjustment of the nominal press-fit, especially in denser bone. Further preclinical testing on real bone tissue is necessary to assess whether its viscoelasticity in combination with an adjusted press-fit can compensate for the reduced primary stability after vibratory insertion observed in this study.
Keyphrases
  • soft tissue
  • bone mineral density
  • bone loss
  • bone regeneration
  • total hip
  • total hip arthroplasty
  • postmenopausal women
  • stem cells
  • quality improvement
  • total knee arthroplasty
  • bone marrow