While waiting to board a bus in (b)(6), i got up to walk and a screw attaching my femoral stem to the knee joint broke.The left knee prosthesis was put in on (b)(6) 2009.Indications for procedure: mr.(b)(6) is a(b)(6) gentleman who first had a femur fracture, which healed with 100 percent displacement and shortening.The patient subsequently underwent total knee arthroplasty, which was unstable and then again revision to a hanger prosthesis.There may have been more than one stopping involved, as there was at least a liner exchange at one point.The patient presents at this time with a painful and radiographically loosening.
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