Event methods, evaluation, and conclusion heic codes: updated.One device was received for investigation.Visual inspection of the returned device did not reveal any defects.The device was functionally tested using a syringe to inflate the device cuff, while manipulating the line and applying pressure to the cuff and balloon and shaft.The device passed the functional testing with no leakage or deflation detected.A review of manufacturing device history records for the reported lot number found no issues or non-conformances initiated for the lot.Based on the available information, the investigation could not reproduce or confirm the reported issue, and no root cause could be attributed.No actions have been taken at this time.
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