Date of event: unknown.The date received by manufacturer has been used for this field.Medical device expiration date: unknown.Pma / 510(k) #: enforcement discretion.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.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.Our business team regularly reviews the collected data for identification of emerging trends.A device history review could not be completed as no batch number was provided.Investigation conclusion: based on no sample, the investigation concluded, bd was not able to verify the indicated failure.Root cause description: no root cause can be determined as no samples were received.Rationale: no batch#/sample available.
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