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LIFEPAK 500 automated external defibrillator Preventive Maintenance
9-3
Product Useful Life
During product development, the LIFEPAK 500 AED and subassemblies are
subjected to rigorous life testing. This testing and the routine testing and
maintenance program recommended in this electronic service manual will help
to provide reliable unit operation for many years.
However, both rapid technological changes and the availability of older
replacement parts limit the useful life of all modern medical devices. The
American Hospital Association suggests a 5-year useful life expectancy for
defibrillators (Estimated Useful Lives of Depreciable Hospital Assets, Revised
1993 Edition). Similarly, the U.S. Army lists an 8-year life expectancy for
defibrillators (technical bulletin: Maintenance Expenditure Limits for Medical
Materiel, TB MED 7 Revision 8 October 1993). Physio-Control recommends that
you adopt an 8-year useful life expectancy for this Unit.
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