(b)(4).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.A device history record review could not be performed as lot number was unknown.Investigation conclusion: since no samples displaying the condition reported are available for examination, we were unable to fully investigate this incident.Root cause description: no root cause can be determined as no samples were received.
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It was reported that a unspecified bd syringe had plunger separation.The following was reported, "during using, it was found that the connection between the plunger rod and the stopper is not tight, so it cannot be used.".
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