Fig. 1From: A new classification of TKA periprosthetic femur fractures considering the implant typeSchematic representation of the implant-dependent classification for periprosthetic fractures of the distal femur a: Unconstrained bikondylär TKA, b: posterior stabilized TKA, c: constrained (rotating-hinge) TKA, d: Distal femoral replacement. I-III: Location and expansion of fracture, IV: fracture with implant loosening. Red line depicts fracture lineBack to article page