目的 比较研究切开复位Cable-Pin系统与张力带固定治疗髌骨骨折的临床疗效。方法 闭合性横行髌骨骨折患者79例中，35例采用切开复位Cable-Pin系统固定，44例采用切开复位张力带固定，随访13~39个月，平均26.8个月。观察指标包括切口长度、手术时间、骨折愈合时间、手术后并发症及术后膝关节HSS评分，并进行统计学分析。结果 Cable-Pin系统固定组与张力带固定组切口长度（t=0.339，P=0.735）及手术时间（t=1.821，P=0.073）方面的差异无统计学意义；两组在骨折愈合时间（t=-3.827，P=0.000）、手术后并发症发生率（χ²=4.298，P=0.038）及术后膝关节功能（χ²=4.871，P=0.027）方面的差异有统计学意义，Cable-Pin系统固定组优于张力带固定组。结论对于髌骨横行骨折的内固定，与张力带固定组相比，Cable-Pin系统固定组具有术后并发症少、膝关节功能恢复好等优点，这种方法符合生物力学内固定的原则且操作简便，值得临床推广。

Objective To contrast the therapeutic efficacy of the treatment for patella fractures between Cable-Pin system and tension band by open reduction. Methods In 79 patients with transverse patella fractures. 35 cases of them were treated by Cable-Pin system, else 44 cases were treated by tension band. All of them were followed up with an average period of 26.8 months (13-39 months). Main outcome measures were length of incision, operation time, fracture healing time, complications and HSS knee scoring, Statistical analysis were conducted between two groups. Results There was no statistical difference between cable-Pin system group and tension band group in the outcome measures of length of incision (t=0.339, P=0.735) and operation time (t=1.821, P=0.073). There were statistical differences in fracture healing time (t=-3.827, P=0.000), complications (χ²=4.298, P=0.038) and HSS knee scoring (χ²=4.871, P=0.027). Cable-Pin system were superior to tension band. Conclusions Comparing to tension band, the treatment of transverse patella fractures by Cable-Pin system is consistent with the principle of biomechanical internal fixation and can achieve better postoperative recovery of knee function. It is simple and effective with less complication.