As a main treatment instrument of limb fractures, the interlocking nail is used in two ways: dynamic fixation and static fixation.The former has less stress shielding but lower satiability.

• 交锁髓内钉作为四肢管状骨骨折治疗的主流器械,使用方法有动力性固定和静力性固定,前者骨折端应力遮挡效应小,但稳定性差,后者恰相反。