|
Endurance testing of the Biomet Matthews Nail and the Dynamic Compression Screw tested with Y fractured composite femurs |
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| Biomet Matthews Nail with Y fractured femur |
Dynamic Compression Screw with Y fractured femur |
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|
|
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| Max. & Min. of Load Cycle (kN) |
Specimen Number |
Cycles Completed |
Specimen Number |
Cycles Completed |
|
|
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| 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+ |
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| 3.0 & 0.3 |
4 |
78,386 |
||
|
# Post test examination revealed a fracture through the second hole, superior to the lag screw +Lateral condyle bone segment shifted laterally until purchase on the distal locking screw became sufficient to bend it | ||||
O'Connor-Read et al. BioMedical Engineering OnLine 2008 7:3 doi:10.1186/1475-925X-7-3 |
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