This remediation mdr was generated under (b)(4), as a result of warning letter cms#617147.No causes or potential causes of the customers reported problem were found during the review of the service and repair records.A product sample was received for evaluation.Visual inspection showed seal was intact.During functional check, the reported problem was duplicated.Performed process testing according to procedure and failed.Also, running three accuracy tests, the pump was found to be over delivering to the manufacturing specifications.Expulsor was out of mechanical specification causing it to over deliver.Pump's expulsor was trimmed in order to bring the delivery into a more nominal range.
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