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Swan-like Memory Compressive Connector

机译：天鹅状记忆压缩连接器

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摘要

Nonunion is a common complication after fractures of the diaphysis of the upper extremity. Conventional internal fixation cannot provide compressive stress at the fracture site, which is critical for fracture repair in nonweight-bearing bones. In order to overcome this problem, we developed a novel nitinol device that provides initial and continuous compression and three dimensional fixation, the swan-like memory compressive connector (SMC). A total of 188 cases (243 bones) of fractures and nonunions were treated by SMC over the course of 16 years. At follow-up, the nonunion sites were bridged by plate-like bone in 92 cases (106 bones) at an average of 3.8 months after surgery. In the fracture group, the fracture sites were bridged by plate-like bone in 93 cases (134 bones) at an average of 2.6 months after surgery. No infection or re-fracture occurred after removal of the SMC. There was no persistent joint dysfunction caused by the SMC.
机译：骨不连是上肢骨干骨折后的常见并发症。传统的内固定不能在骨折部位提供压应力，这对于非承重骨骼的骨折修复至关重要。为了克服这个问题，我们开发了一种新颖的镍钛合金装置，该装置可提供初始和连续压缩以及三维固定，即天鹅状记忆压缩连接器（SMC）。在16年的时间里，SMC治疗了188例（243骨）骨折和骨不连。随访时，平均92例（106块骨头）中的骨不连部位由板状骨桥接，平均术后3.8个月。在骨折组中，平均术后2.6个月，有93例（134根骨头）的板状骨桥接骨折部位。去除SMC后未发生感染或再次骨折。没有由SMC引起的持续性关节功能障碍。

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