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Failure-cost mathematical model for medical equipment maintenance

机译：医疗设备维修的失效成本数学模型

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This paper proposes a mathematical maintenance model that analyses the effect of maintenance on the survival probability of medical equipment based on maintenance history and age of the equipment. The proposed model is simulated in Scilab using real data extracted from maintenance history of Anaesthesia Machine from Draeger. The analysis using survival approach reveals that conducting preventive maintenance (PM) on the selected medical equipment had a positive impact on survival of equipment. The model is then used to analyse the cost of maintenance scenarios and an appropriate scenario is proposed for Anaesthesia machine. A new failure-cost model is developed by authors which may be used to calculate the number of failures of equipment and the annual maintenance cost. The proposed models may be used as a planning tool for selecting maintenance strategies for various medical equipment.
机译：本文提出了一种数学维护模型，该模型根据设备的维护历史和使用年限来分析维护对医疗设备生存概率的影响。在Scilab中使用从Draeger麻醉机的维护历史中提取的真实数据对提出的模型进行了仿真。使用生存方法进行的分析表明，对所选医疗设备进行预防性维护（PM）对设备的生存具有积极影响。然后，该模型用于分析维护方案的成本，并为麻醉机提出了合适的方案。作者开发了一种新的故障成本模型，该模型可用于计算设备故障次数和年度维护成本。提出的模型可以用作选择各种医疗设备维护策略的计划工具。

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