Global Failure Rate

Wang, Binseng; Eliason, Richard W.; Vanderzee, Steven C.

doi:10.1097/00004669-200607000-00022

Cited by 14 publications

(3 citation statements)

References 7 publications

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“…Therefore, it is necessary to investigate aging at lower levels—ie, at equipment type level instead of class—as important differences may be masked by equipment types that have much higher quantities but show less aging impact. Figures 4 and 5 also show that although the number of PMs per equipment is similar for biomedical and DI equipment, the latter has a much higher number of CMs, confirming a prior report on this disparity 5 …”

Section: Resultssupporting

confidence: 81%

“…Figures 4 and 5 also show that although the number of PMs per equipment is similar for biomedical and DI equipment, the latter has a much higher number of CMs, confirming a prior report on this disparity. 5 All 3 figures show a decrease in CMs/equipment after the first 10 years, with the most prominent one from the DI equipment. These decreases will be discussed later because there are likely multiple factors involved.…”

Section: Results By Equipment Classmentioning

confidence: 97%

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Medical Equipment Aging

Wang,

Rui,

Skinner

et al. 2024

J Clin Eng

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It has been long assumed that medical equipment deteriorates gradually with time (also known as wear-out or aging) like industrial equipment or human beings. An analysis of approximately 342 000 pieces of medical equipment managed for 30+ years by a single service provider shows this hypothesis is not always true. Some equipment will exhibit aging, whereas others can be deployed until a catastrophic event occurs and replacement is preferable than repair considering costs, downtimes, and/or technical/clinical innovations. Such knowledge can help to determine the best maintenance strategy for each type or even brand/model of equipment, as well as to optimize replacement planning, instead of blindly following recommendations made by manufacturers and/or age-based replacements often suggested by consultants. The first of this series of 3 articles presents the aging impact on maintenance, whereas the second one analyzes the impact on equipment lifespan. The final article reviews the root causes of aging and presents a simple, intuitive aging model that can be used for both maintenance and replacement plannings without having to analyze individual equipment types or individual brands and models in a comprehensive manner.

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