这种安全接头主要由弹力爪、锁套、滑套和剪钉组成。
This joint is mainly comprised of elastic jaw, sliding sleeve and shear pin.
目的：比较弹力内锁髓内钉与交锁钉固定股骨中下段骨折的生物力学性能。
Objective: To compare the biomechanical properties of elastic interlocking intramedullary nails and interlocking intramedullary nails for the fixation of distal femoral fracture.
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