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Analysis and development of foot abduction brace for clubfoot treatment in maintenance phase

机译：维持期治疗马蹄内翻足支架的分析与开发

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Congetinal talipes equinovarus (CTEV) or known as clubfoot is a deformity present at birth involving one foot or both. This deformity can be treated surgically and nonsurgically. Surgical operation is not preferred by patients as it causes severe pain after treatment. Therefore, non-surgical operation has become the major option to treat this deformity because it has been proven successfully by researchers. Nonsurgical treatment is divided into two phases which are corrective and maintenance phase. Corrective phase involves in correcting the physical look of the foot through Ponseti method. Maintenance phase involves in maintaining the foot from relapse by applying a foot abduction brace (FAB) for a certain period of time. Increasing the FAB efficiency is one of the major topics in the medical world. This research focuses on analysing the existing FAB and improved it with new development. Force analysis of the outsole shoes were conducted using computer aided design (CAD) software. The mechanical drawing is provided to illustrate the improved FAB modelling and as a guidance to fabricate the prototype. The force analysis has revealed that the factor of safety (FOS) of the existing and a new design is 1.7 and 1.6, respectively. On the other hand, the weight of previous design is reduced by 609.9 g. It was observed that the weight, cost and sturdiness of FAB can be improved by changing the material and dimension of the design.
机译：疣状性唇足畸形（CTEV）或称为马蹄内翻足是出生时出现的一种畸形，涉及一只脚或两只脚。这种畸形可以通过外科手术和非外科手术治疗。手术不是患者首选的手术方法，因为它在治疗后会引起严重的疼痛。因此，非手术手术已成为治疗这种畸形的主要选择，因为它已被研究人员成功证明。非手术治疗分为两个阶段，即矫正阶段和维持阶段。矫正阶段涉及通过Ponseti方法矫正脚的物理外观。维持阶段涉及通过在一定时间段内应用外展支具（FAB）来防止脚复发。提高FAB效率是医学界的主要主题之一。这项研究的重点是分析现有的FAB，并通过新的开发对其进行改进。外底鞋的力分析是使用计算机辅助设计（CAD）软件进行的。提供机械图以说明改进的FAB建模，并作为制造原型的指导。力分析显示，现有设计和新设计的安全系数（FOS）分别为1.7和1.6。另一方面，先前设计的重量减少了609.9 g。据观察，通过改变设计的材料和尺寸可以改善FAB的重量，成本和坚固性。

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