Abstract
New implants and fixation concepts - extramedullary and intramedullary - have been recently developed for the treatment of distal femoral fractures. The Distal Femoral Nail (DFN) features a spiral blade interlocking option that provides angular stability and enlarges the contact area between bone and implant in the metaphysis. Advantages of the DFN are a minimal invasive approach that also allows fixation of ipsilateral femur and tibia fractures and its easy use in obese patients. In comparison with the Less Invasive Stabilisation System (LISS) the DFN shows equal or better results concerning non union, infection, alignement, implant failure and knee function.
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