Device evaluation: a sample was returned to manufacturing for investigation inside a plastic bag which was not its original packaging.The returned unit was visually inspected under normal conditions of illumination according to procedure.No obstructions, damaged, broken, or other defects were detected in none of the joins of the product.Functional test was completed; no discrepancies were detected, sample was fully priming and connected without difficulty, the pump was set running, liquid flowed through the whole device without interruptions, no alarms were activated, thus, the failure mode reported was not confirmed.Root cause cannot be determined since the complaint was not confirmed.No corrective actions are required since the complaint was not confirmed.A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.
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