目的:探讨骨科机器人辅助治疗髋臼骨折的临床效果。方法:回顾性分析2015年1月至2019年12月期间北京积水潭医院创伤骨科采用“天玑”机器人辅助治疗的31例髋臼骨折患者资料。男27例，女4例；平均年龄为42.3岁（17~71岁）。骨折Letournel-Judet分型：前柱骨折5例，横形骨折12例，横形伴后壁骨折2例，T形骨折8例，前方伴后半横形骨折2例，双柱骨折2例。受伤至手术时间平均为9.0 d（2~21 d）。23例患者采用经皮内固定术，8例患者采用有限切开复位内固定术。记录患者的螺钉固定数量、手术时间、术中出血量、输血量、ICU使用率、住院时间及相关并发症的发生情况等。结果:31例患者平均置入螺钉1.9枚（1~5枚），手术时间平均为3.3 h（1.0~8.5 h），术中出血量平均为298.7 mL（20~2 000 mL），异体输血量平均为77.4 mL（0~800 mL），自体输血量平均为56.5 mL（0~800 mL），并发症发生率为9.7%（3/31），ICU使用率为29.0%（9/31）。住院时间平均为6.0 d（1~23 d）。29例患者术后获平均34.2个月（6~65个月）随访，2例失访。末次随访时改良Merle d'Aubigne & Postel评分平均为16.7分（12~18分）；Majeed评分平均为85.4分（60~100分），其中优18例，良7例，可4例，优良率为86.2%(25/29)。结论:骨科机器人可以帮助临床医生准确定位髋臼螺钉的安全通道，并辅助安全置入通道螺钉，实现髋臼骨折的微创固定，效果良好。“,”Objective:To evaluate the clinical outcomes of robot-assisted minimally invasive surgery for acetabular fracture.Methods:From January 2015 to December 2019, 31 patients with acetabular fracture underwent TiRobot-assisted minimally invasive surgery at Department of Orthopaedic Trauma, Beijing Jishuitan Hospital. They were 27 males and 4 females, with an average age of 42.3 years (from 17 to 71 years). By the Letournel-Judet classification, there were 5 anterior column fractures, 12 transverse fractures, 2 transverse + posterior wall fractures, 8 T-shaped fractures, 2 anterior + posterior hemitransverse fractures and 2 associated both column fractures. The time from injury to surgery averaged 9.0 d (from 2 to 21 d). Of the 31 patients, 23 underwent robot-assisted percuta neous internal fixation and 8 robot-assisted limited open reduction and internal fixation. Recorded were number of screws, operation time, intraoperative bleeding, blood transfusion, ICU use, hospital stay and related complications.Results:For the 31 patients, on average, screw number was 1.9 (from 1 to 5), operation time 3.3 h (from 1.0 to 8.5 h), intraoperative bleeding 298.7 mL (from 20 to 2,000 mL), allogenic transfusion 77.4 mL (from 0 to 800 mL), autologous transfusion 56.5 mL (from 0 to 800 mL), rate of complications 9.7% (3/31), rate of ICU use 29.0% (9/31), and hospital stay 6.0 d (from 1 to 23 d). In this cohort, 29 patients were followed up for an average time of 34.2 months (from 6 to 65 months) and 2 lost to the follow-up. At the final follow-up, the modified Merle d'Aubigné scores averaged 16.7 points(from 12 to 18 points); the Majeed scores averaged 85.4 points (from 60 to 100 points), giving 18 excellent, 7 good and 4 fair cases and a good to excellent rate of 86.2% (25/29).Conclusion:Orthopaedic robots can help clinicians accurately locate a safe pathway and assist safe placement of acetabular screws to fulfill minimally invasive fixation of acetabular fracture, leading to fine clinical outcomes.