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Table 1 Endurance testing of the Biomet Matthews Nail and the Dynamic Compression Screw tested with Y fractured composite femurs

From: Comparative endurance testing of the Biomet Matthews Nail and the Dynamic Compression Screw, in simulated condylar and supracondylar femoral fractures

  Biomet Matthews Nail with Y fractured femur Dynamic Compression Screw with Y fractured femur
Max. & Min. of Load Cycle (kN) Specimen Number Cycles Completed Specimen Number Cycles Completed
2.0 & 0.2 1 1,000,000 1 1,000,000#
2.0 & 0.2 2 315,043 2 1,000,000#
3.0 & 0.3 3 22,356+   
3.0 & 0.3 4 78,386   
  1. # Post test examination revealed a fracture through the second hole, superior to the lag screw
  2. +Lateral condyle bone segment shifted laterally until purchase on the distal locking screw became sufficient to bend it