Dilatancy-based impression and fabrication technique for custom foot orthoses
Dilatancy-based impression and fabrication technique for custom foot orthoses
复制标题
用于定制足部矫形器的基于膨胀的印模和制造技术
DOI：
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复制
发表时间：
2016
影响因子：
1.5
通讯作者：
C. Robinson
中科院分区：
文献类型：
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作者：
Larissa A Sletto;Yeongchi Wu;C. Robinson
Background and aim: Current methods used to take impressions for custom foot orthoses include plaster bandage, foam box, fiberglass, and laser-optical scanner. Impressions are converted to positive plaster or foam models. These methods create waste and may not be feasible in resource-limited areas. This technical note presents an alternative, greener impression and fabrication technique for foot orthoses that utilizes the dilatancy principle. Technique: Steps of the dilatancy (vacuum-based) procedure include taking an impression of the foot, converting the negative mold to a positive sand model, modifying the positive sand model, and thermoforming the foot orthosis. Discussion: This plaster-less system is inexpensive to set up and maintain, is reusable thereby minimizing cost and waste, and is clean to use. It enables a practitioner to quickly take an impression for fabricating a foot orthosis in a short period of time during a single clinic visit by the patient. Clinical relevance The dilatancy casting system could potentially be a cheaper, faster, and greener alternative procedure for fabricating custom foot orthoses in both developing and developed countries.
