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[目的]探讨使用新的骨性标志定位股骨和髌骨骨道,改良单束重建内侧髌股韧带的手术方法及疗效.[方法] 2014年10月～2017年6月,18例复发性髌骨脱位患者接受改良小切口单束重建内侧髌股韧带术,术中以股骨内收肌结节和髌骨内缘凸起最高点为参考点定位骨道.术后随访主观感受、CT评价髌骨倾斜角及关节适合角,Lysholm和Kujala评分评价膝关节功能.[结果]随访最长12个月,17例膝关节活动度恢复正常,1例于术后8周活动度屈曲约60°,给予关节镜下松解,经康复训练恢复正常.患者无再脱位,髌骨外推恐惧试验均为阴性.CT显示髌骨倾斜角及关节适合角术后明显变小,Kujala及Lysholm评分术后明显改善.[结论]本手术方法可快速定位骨隧道,短期随访效果满意.“,”[Objective] To explore efficiency of the modified single bundle reconstruction of medial patellofemoral ligament (MPFL) using the new bony markers to determine the femoral and patellar tunnel.[Methods] From October 2014 to June 2017,18 patients with recurrent patellar dislocation underwent this modified single bundle reconstruction of MPFL through a mini incision using the vertex point at inner edge of the patella and the vertex of adductor tubercle as reference points to locate the bony tunnels.CT scan was used to evaluate the congruence angle and patellar tilting angle,additionally Lysholm and Kujala scores were applied to assess the knee function.[Results] All the patients were followed up 12 months at most.Of them,17 patients regained normal activity smoothly,whereas the remaining 1 patient had limited flexion to 60 degrees at 8 weeks after operation,which completely returned to normal after arthroscopic release and rehabilitation training.All the patients got significant improvement in Kujala and Lysholm scores,conversely considerably diminution of the congruence angle and patellar tilting angle.No redislocation and no positive apprehension phenomena happened in anyone of them during follow up.[Conclusion] This modified technique does obtain satisfactory short-term consequences with advantage of quick location of bony tunnels.