Integrated procurement and reprocessing planning for reusable medical devices with a limited shelf life

Steffen Rickers () and Florian Sahling ()
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Steffen Rickers: Leibniz Universität Hannover
Florian Sahling: University of Kaiserslautern-Landau (RPTU)

Health Care Management Science, 2024, vol. 27, issue 2, No 3, 168-187

Abstract: Abstract We present a new model formulation for a multiproduct dynamic order quantity problem with product returns and a reprocessing option. The optimization considers the limited shelf life of sterile medical devices as well as the capacity constraints of reprocessing and sterilization resources. The time-varying demand is known in advance and must be satisfied by purchasing new medical devices or by reprocessing used and expired devices. The objective is to determine a feasible procurement and reprocessing plan that minimizes the incurred costs. The problem is solved in a heuristic manner in two steps. First, we use a Dantzig-Wolfe reformulation of the underlying problem, and a column generation approach is applied to tighten the lower bound. In the next step, the obtained lower bound is transformed into a feasible solution using CPLEX. Our numerical results illustrate the high solution quality of this approach. The comparison with a simulation based on the first-come-first-served principle shows the advantage of integrated planning.

Keywords: Sterile service department; Material logistics in hospitals; Reusable medical devices; Procurement; Reprocessing; Limited shelf life; Column generation (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10729-024-09664-9

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