Biomechanical study of minimally invasive osteotomy with 8-shaped bandage external fixation of hallux valgus

doi:10.3969/j.issn.2095-4344.0270

Abstract

Abstract:

BACKGROUND: Hallux valgus is one of the common foot deformities, and seriously affects the quality of life of patients. The traditional surgical treatment adopts large incision and direct vision orthopedic surgery. The patient suffers great pain and recovery is slow. With the progress and development of minimally invasive technology, minimally invasive treatment of hallu valgus with traditional Chinese medicine and western medicine is widely used, and it has the advantages of small incision, quick recovery and early walking.

OBJECTIVE: To measure the pressure around osteotomy of hallux valgus with 8-shaped bandage external fixation in walking, standing, active and passive functional exercise.

METHODS: SPI FREE FORM single point pressure measurement system with 32 channels was used to measure the pressure of the osteotomy of hallux valgus of the patients in walking, standing, active plantar flexion, active back extension, passive plantar flexion and passive dorsiflexion with 8-shaped bandage external fixation in a 24-year-old patient at 4 weeks after treatment.

RESULTS AND CONCLUSION: By analyzing the pressure around osteotomy of hallux valgus with 8-shaped bandage external fixation in walking, standing, active and passive functional exercise, the middle of toe web always kept great pressure; and all but in standing, the dorsal pressure of the metatarsal head was greater than that of the metatarsal head. Besides, the lateral pressure of the toe web was greater than the medial pressure of the metatarsal head except in passive plantar flexion. These results verify that after minimally invasive osteotomy in hallux valgus, 8-shaped bandage external fixation can maintain the distal osteotomy of hallux plantar flexion displacement and neutral position, and effectively maintain the stability of the osteotomy, which is beneficial to fracture healing.

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: Hallux Valgus, Osteotomy, Tissue Engineering

CLC Number:

R318

Li Yan-le, Chang Cheng, Yue Xiao-hua, Bai Zi-xing, Sun Jia-qi, Cong Yan, Wen Jian-min, Sun Wei-dong. Biomechanical study of minimally invasive osteotomy with 8-shaped bandage external fixation of hallux valgus[J]. Chinese Journal of Tissue Engineering Research, 2018, 22(23): 3659-3664.

Figures/Tables 2

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