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Performance verification and safety testing

From HTMcommunityDB.org

Performance verification and safety testing (PVST) is the second constituent element of the planned maintenance component. This second element consists of tasks that are conducted periodically to detect whether or not the device has degraded into a state where it is no longer performing within the manufacturer’s functional specifications or within the relevant safety specifications. In the RCM approach these functional failures are called hidden failures. These actions are preventive in the sense that, if done in time, detecting and repairing these hidden failures will prevent a possible patient injury. This second element has been given the name “inspections” by ECRI Institute and others but we prefer this more descriptive term.

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