The Biomechanical Evaluation of Distal Linkage Vane Intramedullary Self-locking Nail for Femur Fractures
2012
A remote linkage leaves self-locking intramedullary nail is developed.To test the biomechanical properties of remote linkage intramedullary nail fixation and intramedullary nail fixation after femoral shaft fractures blade,the biomechanical property of intramedullary nailing for femoral fractures is understanded.Six young male body to take the bilateral complete femur,the transverse fracture were made in the middle,and then use the remote linkage leaves self-locking intramedullary nail and domestic conventional interlocking intramedullary fixing.To made a mechanical test of the femur-intramedullary complex,the experimental results with SPSS17.0 statistical software are analyzed.There is no significant differences between remote linkage leaves self-locking intramedullary nail and domestic interlocking intramedullary nail at the three-point bending and torsion experiments,poor resistance to axial load than domestic interlocking intramedullary nail,but meet the physically non-weight-bearing status under the biological fixation.It is conclused that femur-type remote linkage blade intramedullary nail has a better mechanical stability,has certain advantages in the treatment of femur fractures.
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