Application effect of digital support fixation based on 3D printing technology in minimally invasive osteotomy and reconstruction of hallux valgus

doi:10.13418/j.issn.1001-165x.2026.4.12

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Chinese Journal of Clinical Anatomy ›› 2026, Vol. 44 ›› Issue (4) : 448-455. DOI: 10.13418/j.issn.1001-165x.2026.4.12

Application effect of digital support fixation based on 3D printing technology in minimally invasive osteotomy and reconstruction of hallux valgus

Sun Shidong, Huang Jiewen*, Wang Bin

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Abstract

Objective To explore the effect of digital support fixation combined with minimally invasive osteotomy technique based on 3D printing technology for the treatment of hallux valgus (HAV). Methods HAV patients admitted to the Third Affiliated Hospital of Guangzhou University of Chinese Medicine from June 2023 to November 2024 were selected as the research subjects. A retrospective analysis was conducted, and patients were divided into the group A and the group B in a 1:1 ratio based on different fixed methods, with 39 cases in each group, for a total of 78 cases. The patients of group A received conventional fixation, while the patients of group B received brace fixation based on 3D printing technology. Both groups of patients were followed up for 6 months after surgery. The excellent and good rate, pain levels, ankle function and radiographic indicators, as well as complications of two groups were compared. Results At 3 and 6 months after surgery, the visual analog scale (VAS) scores of the patients in group B were lower (P<0.05). At 6 months after surgery, the ankle function scores in the patients in group B was higher; The hallux valgus angle (HVA), first and second metatarsal angles (IMA), and distal metatarsal articular angle (DMAA) were lower. The length of the first metatarsal bone was longer (P<0.05). Conclusions The use of 3D printing technology-based braces for fixation had no significant impact on the therapeutic effect of minimally invasive osteotomy technique and manual reduction for patients with HAV. However, it might help to alleviate pain, improve imaging indicators, enhance ankle function, and have good safety and good safety.

Key words

Minimally invasive osteotomy technique and manual reduction; / / 3D printing technology / Brace fixation; / / Hallux valgus; / / Pain; / / Ankle and foot function

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Sun Shidong, Huang Jiewen, Wang Bin. Application effect of digital support fixation based on 3D printing technology in minimally invasive osteotomy and reconstruction of hallux valgus[J]. Chinese Journal of Clinical Anatomy. 2026, 44(4): 448-455 https://doi.org/10.13418/j.issn.1001-165x.2026.4.12

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