Other, other text: a sample was returned to manufacturing for investigation.Visual inspection was performed.The returned sample was received inside a plastic bag with its original pouch.No obstructions, damaged, broken, or other defects were detected in none of the joins of the product.To reproduce the failure mode reported for customer, a cassette product was taken from production floor and filled as cassette ifu indicates, extension set was connected to the luer to perform a functional using a pump cadd legacy pump.The pump was set running, sample was connected without difficulty liquid flows through the whole device without interruptions, no bubbles were observed and no alarms were activated, thus, the failure mode reported is 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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