Date of event: unknown.The date received by manufacturer has been used for this field.Medical device expiration date: unknown.Device manufacture date: unknown.Investigation summary: since no samples displaying the condition reported are available for examination, we were unable to fully investigate this incident.No root cause can be determined as no samples were received.Complaints received for this device and reported condition will continue to be tracked and trended.Information will be captured on trend reports and monitored monthly.A device history record review could not be performed as lot number was unknown.Investigation conclusion: unconfirmed: bd was not able to duplicate or confirm the customer's indicated failure mode.Root cause description: no root cause can be determined as no samples were received.Rationale: no capa is required at this time.
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