A robust replacement model with applications to medical equipment

A robust replacement model with applications to medical equipment

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Article ID: iaor199548
Country: United Kingdom
Volume: 45
Issue: 3
Start Page Number: 261
End Page Number: 275
Publication Date: Mar 1994
Journal: Journal of the Operational Research Society
Authors: ,
Keywords: health services
Abstract:

Perceived shortcomings in the applicability of capital equipment replacement modelling, identified in a 1987 survey within the UK are addressed and a robust replacement model formulated. First, however, a comparison between the 1987 survey and a similar 1988 survey undertaken within the USA is made and explanations for apparent differences in conclusions are represented. A replacement model is then developed in the context of medical equipment where factors such as service and risk play a role in replacement decision-making. A mechanism for quantitatively allowing for qualitative and for political type factors within a short time horizontal replacement model is introduced by means of a penalty factor. A case example is presented for medical ventilator equipment.

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