Loose or Slipped Acetabulum Cups by Dr. Bose
The issue of cup slippage in the immediate postop period is a controversial one.
While bone ingrowth takes around 6 wks. – the hydroxy apatite to bone chemical reaction can occur much more quickly.
If we surgeons feel that the cup is not perfectly tight ( press fit) during the surgery then we restrict activities for a 6 -8 wk period .This is done in the hope that no precipitating event would occur that would … Read the rest