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A hazard analysis for a generic insulin infusion pump.

by Yi Zhang, Paul L Jones, Raoul Jetley
Journal of diabetes science and technology ()


BACKGROUND: Researchers at the Food and Drug Administration (FDA)/Center for Device and Radiological Health/Office of Science and Engineering Laboratories have been exploring the concept of model-based engineering as a means for improving the quality of medical device software. Insulin pumps were chosen as a research subject because their design provides the desired degree of research complexity and these types of devices present an ongoing regulatory challenge.\n\nMETHODS: Insulin pump hazards and their contributing factors are considered in the context of a highly abstract generic insulin infusion pump (GIIP) model. Hazards were identified by consulting with manufacturers, pump users, and clinicians; by reviewing national and international standards and adverse event reports collected by the FDA; and from workshops sponsored by Diabetes Technology Society. This information has been consolidated in tabular form to facilitate further community analysis and discussion.\n\nRESULTS: A generic insulin infusion pump model architecture has been established. A fairly comprehensive hazard analysis document, corresponding to the GIIP model, is presented in this article.\n\nCONCLUSIONS: We believe that this work represents the genesis of an insulin pump safety reference standard upon which future insulin pump designs can be based to help ensure a basic level of safety. More interaction with the diabetes community is needed to assure the quality of this safety modeling process.

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