关键词: 加压空芯螺钉张力带；髌骨骨折；AO 34-C1, C2和C3；手术技巧

Abstract: Objective To describe the surgical indications and technique for treating patella fracture with cannulated compression screw tension band wire through clinical outcome analysis.Methods A total of 36 patients with patella fractures from two Orthopedic centres were enrolled in this retrospective study（including AO 34-C1，C2 and C3 patella fractures）.All cases were treated with cannulated compression screw tension band wire，with addition of cannulated compression screws to fix fragments in AO 34-C2 and C3 cases.All received post-operation Physiotherapy，followed up for 6-36 months（average，18.7 months）and the retrospective analysis and functional evaluation was performed.Result According to the Bostman score，there were 9 excellent cases，25 good cases and 2 poor cases；the excellent and good rate accounted for 94.4% of 36 cases.No infections，loss of fixation，fracture displacement or implants irritation cases were observed.All the fractures were healed well.Conclusion As long as to master the surgical technique，then the operation can be used for not only AO 34-C1 patellar fracture，and can be fixed with AO 34-C2 and C3 fractures is also effective.

Key words: cannulated compression screws tension band wire；patella fracture；AO 34-C1, C2 and C3；surgical technique