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Clinical Observation of 3D Printing Technology in Insoles for flexible flatfoot Patients

Journal of Shanghai Jiaotong university(Science) 2021年第3期26卷 398-403页

作者： WANG Yitian JIANG Wenbo GAN Yaokai YU Yang DAI Kerong Department of Orthopaedic Surgery Shanghai Jiao Tong University School of MedicineShanghai200011China Shanghai Key Laboratory of Orthopaedic Implants Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai200011China

flatfoot is defined as the flattening of the medial arch of the foot,and it is classified into flexible flatfoot and rigid flatfoot based on whether the flattening of the medial arch of the foot can be reset when standing on *** insole is the most basic and common treatment,which is relatively cheaper and easier to ***-dimensional(3D)printing,an emerging technology characterized by high machining accuracy and use of various materials,can be utilised in personalised insoles,which have good application *** research on the clinical effects of 3D-printed insoles is still *** this study,64 cases of 3D-printed insoles were clinically *** results showed that 3D-printed insoles had statistically positive effects in treating flatfoot(P=0.00017),and with adjustment and adaptation,their comfort and clinical effect can be *** study provides an empirical reference for further large-scale clinical control research.

关键词： flexible flatfoot orthotic insoles 3D printing

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Relationship between symptoms and weight-bearing radiographic parameters of idiopathic flexible flatfoot in children

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Chinese Medical Journal 2013年第11期126卷 2029-2033页

作者： YAN Gui-sen YANG Zheng LU Ming ZHANG Jian-li ZHU Zheng-hua GUO Yuan Department of Pediatric Orthopaedics Beijing Jishuitan Hospitalthe Fourth Clinical Medical College of Peking University Beijing100035 China

Background Idiopathic flexible flatfoot in children most frequently improves with age and remains asymptomatic. It is a physiological variation of the normality that does not require treatment unless it becomes symptomatic. The aim of this research was to investigate the reason why some individuals with flexible flatfoot become symptomatic by analysis of the differences in the relative alignment of each segment of the foot between symptomatic and asymptomatic patients with idiopathic flexible flatfoot using radiographic measurements. Methods One hundred patients with idiopathic flexible flatfoot were retrospectively identified and divided into two groups： asymptomatic （n=50） and symptomatic （n=50）. Standing anteroposterior and lateral radiographs of the foot were analyzed. Five measurements were calculated to describe the alignment of the foot. An independent-samples t-test and Logistic regression test were used for statistical analysis. Results Age and sex were similar in the two groups. The independent-samples test revealed significant differences in two parameters： the anteroposterior talonavicular coverage angle and the lateral talo-first metatarsal angle. When the Logistic regression test was performed, only the talonavicular coverage angle showed statistical significance. Conclusions The lateral displacement of the navicular bone, measured by the anteroposterior talonavicular coverage angle, seems to be related to the onset of symptoms. In individuals with otherwise normal flexible flatfoot, an increase in this angle might be an important risk factor for developing symptoms.

关键词： flexible flatfoot radiographic analysis symptomatic flatfoot children

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Accessory navicular in children

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World Journal of Clinical Cases 2023年第35期11卷 8256-8262页

作者： Feng Xiang Zhi-Qing Liu Xi-Ping Zhang Yan-Jun Li Jie Wen Department of Traumatic Orthopedics Zhuzhou Central HospitalThe Affiliated Zhuzhou Hospital of Xiangya Medical CollegeCentral South UniversityZhuzhou 412007Hunan ProvinceChina Department of Pediatric Orthopedics Hunan Provincial People’s HospitalThe First Affiliated Hospital of Hunan Normal UniversityChangsha 410013Hunan ProvinceChina

Accessory navicular(AN)is a developmental variation of the secondary ossification center of the navicular *** percent of patients with AN will have pain symptoms that affect walking and *** the AN changes the position of the posterior tibial tendon insertion,children with AN often have posterior tibial tendon function insufficiency and flexible flat *** treatment is often required after failure of conservative *** article reviewed the etiology,clinical manifestations,complications,and treatment methods of AN.

关键词： Accessory navicular Posterior tibial tendon flexible flatfoot Kidner procedure Treatment

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