一个简单而实用的方法来提高手术库存管理的成本效益
Michael W Carter1, Tammi Hawa1, Carolyn Busby1
1Mechanical and Industrial Engineering, University of Toronto, Toronto, Canada.
Health systems (Basingstoke, England)
|February 24, 2025
概括
操作室库存管理通常使用手动方法. 这项研究表明,优化的订单策略显著提高了服务水平,并与当前和传统方法相比降低了成本.
科学领域:
- 医疗保健 运营 研究 研究 研究
- 供应链管理 供应链管理
- 医院物流 医院物流
背景情况:
- 手术室 (OR) 库存复杂,管理数百种手术项目.
- 高水平的服务对于防止昂贵的手术取消至关重要.
- 当前库存管理往往依赖于手动方法和直觉,而不是优化政策.
研究的目的:
- 评估医院手术室当前库存管理实践的表现.
- 将经典的库存控制模型与基于模拟的启发式方法进行比较.
- 确定手术用品的最佳订单政策 (S,S).
主要方法:
- 利用加拿大一家大型医院5年的库存数据.
- 采用模拟建模来测试各种库存政策.
- 应用了一个简单的搜索启发式来识别最佳的排序参数 (s,S).
主要成果:
- 目前的医院库存方法在实现所需服务水平方面表现明显不佳.
- 优化 (s,S) 策略表现出优于经典理论模型的性能.
- 通过实施优化订单政策,可以实现显著的成本节约.
结论:
- 操作室的手动和直观的库存控制是不理想的.
- 模拟和启发式搜索为优化外科用品库存提供了卓越的方法.
- 实施优化 (s,S) 政策可以提高服务水平,降低医院环境中的成本.
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