爪型髌骨钢板治疗髌骨粉碎性骨折

Outcomes of treatment of severe patellar fractures with patellar concentrator plate

目的：探讨爪型髌骨钢板治疗髌骨粉碎性骨折的临床效果。方法：2006年1月～2012年1月间35例髌骨粉碎性骨折采用爪型髌骨钢板治疗，结果：应用王亦璁膝关节功能评定标准，分为优、良、可、差4级。结果：本组35例均获得随访，时间6～22个月，平均12．4±2．6个月，骨折全部愈合，愈合时间6～11周，平均6．4±1．6周。依王亦璁膝关节功能评定标准，优20例，良12例，可2例，差1例，优良率为91．43％。结论：爪型髌骨钢板能有效对抗膝股关节的张应力、维持膝关节正常的旋转中心范围和股四头肌的力臂，应用于髌骨粉碎性骨折疗效良好。

Objective： To explore the outcomes of the treatment of severe patellar fractures with patellar concentrator plate （PCP）. Methods： Thirty five patients with severe patellar fractures had been treated with PCP between Jan 2006 and Jan 2012. The outcomes were graded into the excellent,the good,the fair and the poor basing on the Wang Yi -cong＇ s criteria of the knee function post -operatively. Results： A11 the patients had been followed up average 12.4 ± 2.6 months （ranged from 6 to 22）. The healing time was 6 ~ 11 weeks with an average of 6.4 _± 1.6 weeks. Out of the 35 cases, The knee function were excellent in 20 cases, good in 12 cases, fair in 2 cases and poor in 1 cases. The rate of the excellent and the good was 91.43% basing on the Wang Yi -cong＇ s criteria of the knee function post - operatively. Conclusion： The PCP could antagonize the tensile stress of patellofemoral joint and sustain the normal extent of center rotation in knee joint and force arm of quadriceps femoris and has good therapeutic effect in treating patellar fracture in severe patellar fractures.