腘绳肌自体移植物联合改良Lemaire单股骨隧道关节外肌腱固定术的前交叉韧带重建
简介
该技术介绍描述了一种采用三股半腱肌肌腱（保留胫骨止点）进行前交叉韧带重建，并联合改良Lemaire关节外腱固定术的方法。通过由外向内技术建立单一股骨隧道，将ACL移植物与LET移植物用同一枚界面螺钉固定，从而简化操作、避免隧道汇聚风险并保留骨量。
英文摘要
The addition of a lateral extra-articular procedure to anterior cruciate ligament reconstruction has been shown to improve rotational stability and reduce graft failure rates, particularly in high-risk patients. However, tunnel convergence remains a major concern in combined anterior cruciate ligament reconstruction and lateral extra-articular procedure techniques, as it may compromise graft integrity and lead to failure. This technical note describes a technique for anterior cruciate ligament reconstruction using a tripled semitendinosus graft, maintaining its tibial attachment, combined with a modified Lemaire extra-articular tenodesis. The femoral tunnel is created using an outside-in drilling technique, allowing both the intra-articular anterior cruciate ligament graft and the lateral extra-articular tenodesis graft to be secured within the same tunnel using a single interference screw. This approach simplifies the procedure by eliminating additional fixation devices and reducing the risk of tunnel convergence, while maintaining bone stock and cost-effectiveness.