Establishment of the model of pronation-external rotation trimalleolar fracture after closed osteotomy

doi:10.3969/j.issn.2095-4344.0618

Abstract

Abstract:

BACKGROUND: Closed osteotomy has been widely applied in the clinic, but little is reported on its basic experiment.
OBJECTIVE: To establish the novel modeling method of pronation-external rotation trimalleolar fracture, so as to provide a new idea for closed osteotomy model.
METHODS: The drilling position was determined by measuring the fracture line on X-ray films of 16 cases of typical pronation-external rotation trimalleolar fracture. According to its damage mechanism, unarmed violence was carried out after the closed bone drilling by minimally invasive osteotomy guider along the fracture line in the body surface projection. The mechanical parameters in the modeling process were measured and the model was validated by X-ray.
RESULTS AND CONCLUSION: The fracture line of 16 specimens met the criteria of pronation-external rotation trimalleolar fracture. The success rate of lateral or internal malleolus fracture was 100%, that of posterior malleolus fracture was 43.75%, and that of tibiofibular separation was 62.50%. Fracture and dislocation occurred in eight cases (50%), including two (12.5%) cases of posterior-lateral dislocation, and six (37.5%) cases of external dislocation. These results suggest that the modeling method has high success rate, good repeatability and operability, and can completely retain the muscle, tendon, fascia, and skin, which provides a fracture model with complete soft tissues for the manual reduction of trimalleolar fracture and biomechanical study, and provides a new idea for establishing closed fracture model.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: Fractures, Closed, Ankle Joint, Fractures, Bone, Tissue Engineering

CLC Number:

R318

Qiu Peng1, Cheng Yongzhong1, Liu Guangwei2, He Da1, Zhu Jianfei1, Cheng Hao1, Wen Jianmin1, Wu Liyan1 . Establishment of the model of pronation-external rotation trimalleolar fracture after closed osteotomy [J]. Chinese Journal of Tissue Engineering Research, 2018, 22(36): 5828-5832.

Figures/Tables 1

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