(b)(4).Batch # unknown.Device analysis: the analysis results found that the b5lt device was returned with no damage in the external components.In addition, the tyvek was returned along with the instrument.In an attempt to replicate the reported incident, the device was functionally tested to detect any seal issues or instrument compatibility.Upon evaluation of the device, it was functionally leak tested and passed.The device was fully functional according to the manufacturing requirements.No conclusion could be reached as to what may have caused the reported incident.The reported complaint could not be confirmed.
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