Blood Inventory Management: An Overview of Theory and Practice
Article Abstract:
Blood Inventory Management has attracted significant interest from the Operations Research profession during the last 15 years. A number of methodological contributions have been made in the areas of inventory theory and combinatoric optimization that can be of use to other products or systems. These contributions include the development of exact and approximate ordering and issuing policies for an inventory system, the analysis of LIFO or multi-product systems, and various forms of distribution scheduling. In addition, many of these results have been implemented, either as decision rules for efficient blood management in a hospital, or as decision support systems for hierarchical planning in a Regional Blood Center. In this paper we attempt a review of the recent Operations Research contributions to blood inventory management theory and practice. Whereas many problems have been solved, others remain open and new ones keep being created with advances in medical technology and practices. Our approach is not to present an exhaustive review of all the literature in the field, but rather to address several important issues from a unified perspective of theory and practice, and point out new areas for further research. (Reprinted by Permission of Publisher.)
Publication Name: Management Science
Subject: Business, general
ISSN: 0025-1909
Year: 1984
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Job Completion Based Inventory Systems: Optimal Policies for Repair Kits and Spare Machines
Article Abstract:
In this paper, we consider multi-item inventory systems that contain repair kits of spare parts and tools and may include an inventory of spare machines as well. Demands occur in the form of field repair jobs, each requiring some collection of parts and tools for completion. If any required part or tool is not in the repair kit, the repair job is 'broken.' The penalty or inconvenience cost is assumed to be proportional to the number of broken jobs, regardless of the number of items short. Previous work on job completion based systems is summarized and new results for the optimal solutions are derived. A more general job completion based system is also analyze, which allows a pool of spare machines to be used to satisfy demands which cannot be met with the repair kits. Techniques are presented for optimizing the trade-off between the inventory cost of repair kits plus spare machines and the overall level of service. (Reprinted by Permission of Publisher.)
Publication Name: Management Science
Subject: Business, general
ISSN: 0025-1909
Year: 1985
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