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The effect of a collar on primary stability of standard and undersized cementless hip stems: a biomechanical study.

Manuel KistlerArnd SteinbrückFlorian SchmidutzAlexander C PaulusBoris Michael HolzapfelMatthias Woiczinski
Published in: Archives of orthopaedic and trauma surgery (2024)
The key finding is that the collarless and collared Corail hip stems, within one stem size, showed no significant differences in primary stability. Undersized stems showed significantly higher micromotion in the distal area both with and without collar.
Keyphrases
  • total hip arthroplasty
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