The complainant indicated that the device will not be returned for evaluation; therefore, a failure analysis is not available, and we are not able to determine the relationship between this device and the cause for this event.¿ if additional information or the sample is received, the investigation will be reopened and responded to accordingly.
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A review of the device history record was not possible during this investigation as a viable lot number was not received with the complaint.Because there was no viable lot number, a date of manufacture could not be determined.All device history records are reviewed and approved by quality prior to release of product.There were no samples received with this complaint therefore an examination of the defect could not be made.From a root cause perspective, with no lot number it is not possible to determine if there were issues during production which could have resulted in a weak seal.As part of continuous improvements, a formal investigation has been opened to implement the appropriate corrective actions to prevent the recurrence of the reported issue.This complaint will be used for qa tracking and trending purposes.It must be noted that in-process controls such as personnel training, incoming quality acceptance testing for raw material, 100% in process and visual acceptance sampling are performed in the plant are in place to prevent non-conforming product from leaving the manufacturing operations.
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