Minimally invasive screw and locking plate fixation for ankle fracture based on three-dimensional print model

doi:10.3969/j.issn.2095-4344.2015.26.028

Abstract

Abstract:

BACKGROUND: Clinical physicians should pay attention on how to reduce ankle fracture healing wounds, reduce bleeding, improve operating technique, and improve repair effect, especially for comminuted fracture. It is necessary to understand how to develop a detailed plan before repair, observe specific circumstances of the fracture from multiple angles, and establish three-dimensional images using two-dimensional X-ray films or CT scan. These raise a challenge for each physician.
OBJECTIVE: To explore the application effect of three-dimensional print, minimally invasive percutaneous screw
and locking plate fixation in the repair of ankle fractures.
METHODS: A total of 26 cases of fracture of ankle joint were treated from January 2012 to June 2014. There were 9 cases of double ankle fracture, 12 cases of three ankle fractures, and 5 cases of three ankle fractures involved PILON fracture on the lower tibia. They received spiral CT scanning on the ankle joint, and stored in the format of di.com. After processing with minics software, data were converted into STL format, and then input into the three-dimensional printer. Thus, models of ankle joint were made at the ratio of 1:1. The repair scheme was made. After discharge, X-ray films were checked every month to observe the healing condition of fractures. According to Mazur ankle score standard, ankle joint function was assessed.
RESULTS AND CONCLUSION: All 26 cases were followed up for 6-12 months. The fractures were healed. The healing time was 4-6 months, averagely 5.5 months. The healing was good, without vascular and nerve damage, or plate breakage. In accordance with the Mazur ankle score standard, there were excellent in 11 cases, good in 13 cases with an excellent and good rate of 92%. The operation time was (64±15) minutes, and intraoperative blood loss was (100±15) mL. The incision was healed in stage one. These findings confirm that the simulation training and operation in fracture models of three-dimensional print have small injuries to patients with ankle fracture. The bleeding was less, the operation was simple, the healing time was short, and the functional recovery was rapid, especially for comminuted fracture.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Ankle Joint, Fractures, Bone, Bone Nails, Fracture Healing, Follow-Up Studies

CLC Number:

R318

Yue Yong, Abulaiti•Abula, Yang Yong, Wang Qiang, Yilixiati•Alifu, Liu Zhi, Paerhati•Rexiti, Xu Xiao-xiong, Kang Peng-de. Minimally invasive screw and locking plate fixation for ankle fracture based on three-dimensional print model[J]. Chinese Journal of Tissue Engineering Research, 2015, 19(26): 4247-4252.

Figures/Tables 1

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