(b)(4).One (1) unit of catalog number 1886, micro mist nebulizer w/elong, lot 02j1102603 was received for analysis.Visual inspection of the returned nebulizer assembly indicated no defects or anomalies.Visual inspection of the returned nebulizer adaptor with chamber obstructed and tubing disconnected was not confirmed through visual inspection.The unit was connected to a flowmeter and the airflow was increased to 8 lpm and 10 lpm).During the functional inspection, mist was produced and there were no issues with the tubing disconnecting from the nebulizer.The customer's complaint was not confirmed.The device history record of lot #02j1102603 that belongs to catalog number 1886 has been reviewed and no issues or discrepancies were found which could potentially be related to this complaint.Records reviewed showed that there were no issues related to functional issues on the molded component involved in this complaint.No corrective action is needed at this time as the root cause for this complaint investigation could not be determined.The investigation found no evidence to suggest a manufacturing related cause, therefore, the root cause is undetermined.
|