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Updated: Aug 9, 2026
11:51
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
[On the stress state of bone cement fixing a hip joint prosthesis (author's transl)]
Archiv Fur Orthopadische Und Unfall-Chirurgie
|June 30, 1977
Abstract:
Using a simplified model, tests were made to investigate the shear stress distribution at a hip joint prosthesis. A marked increase of stress at the tip of the prosthesis was found through photoelasticity. This peak stress resulted in a safety factor of 3 against exceeding the shear strength of bone cement. Since the calculation of the stress is based on unfavourable assumptions, the actual factor of safety should show a higher value still.
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