ObjectiveTo investigate the application value of 3D printing technology in the surgical treatment of Ruedi-Allgower typeⅡand Ⅲ Pilon fracture. MethodsTwenty-one patients with Ruedi-Allgower typeⅡand Ⅲ Pilon fracture were divided into 3D printing group (11 cases) and traditional group (10 cases) by the random number table method. Among them, the 3D printing group employed 3D printing to assist surgery, while the traditional group underwent traditional surgery. Operation duration, intraoperative blood loss, maximum step height after articular surface reduction, fracture healing time, and postoperative ankle function scores were compared between the two groups. ResultsCompared to the traditional group, the 3D printing group obtained shorter operation duration, less intraoperative blood loss, lower maximum step height after articular surface reduction, and higher postoperative ankle function scores (all P＜0.05). However, there was no statistically significant difference in fracture healing time between the two groups (P＞0.05). No tissue necrosis or infection occurred in the two groups. ConclusionEmploying 3D printing technology to assist surgery can shorten operation duration, reduce intraoperative blood loss, and achieve superior recovery of joint function in the treatment of Ruedi-Allgower typeⅡand Ⅲ Pilon fracture.

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