打印联合计算机辅助空间外固定架治疗下肢复杂畸形

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Abstract Objective To study the clinical effect of 3D printing technology combined with computer-assisted Taylor space external fixator in the treatment of complex deformities of lower limbs.Methods A retrospective analysis was conducted on 13 patients with lower extremity deformities treated in the Affiliated Hospital of Qinghai University from January 2016 to January 2020，including 5 males and 8 females，with an average age of (31.62±8.99)years.And 12 patients with foot deformities (15 feet) and 1 patient with tibial deformity.The patients were received orthopedic surgeries of 3D printing technology and Taylor space external fixator.Postoperative evaluation according to the standards of Paley.Patients with foot deformities before and after surgery were evaluated using the American Society of Foot and Ankle Surgery (AOFAS) Ankle-Hindfoot Score System and Manchester-Oxford Foot Questionnaire (MOXFQ) score scale.Results The postoperative follow-up time was (79.76±32.68)weeks.After the external frame removed，Paley evaluation of the limb showed that 6 cases were excellent，7 cases were good and 3 cases were general.AOFAS and MOXFQ scores showed significant differences in preoperative and postoperative patient scores (P＜0.05).Conclusion The combination of 3D printing technology and computer-assisted Taylor space external fixation has the characteristics of accurate data and strong controllability and it has good clinical effects in the treatment of complex deformities of the lower limbs.

Key words： 3D printing Taylor space frame complex deformities of lower limbs

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[1]	. [J]. sygkzz, 2021, 27(5): 456-459.