A review of the device history records was performed for the reported packaging lot for any deviations related to the reported defect fo the complaint.The review confirms that the lot met all material, assembly and performance specifications.The navilyst medical june 2014 complaint report was reviewed for the product family of stopcocks/manifolds and the failure mode, "air bubbles".No adverse trends were identified.The reported event is unable to be confirmed and a root cause unable to be determined as no device was returned for evaluation.Navilyst medical manufacturing process controls for this device include visual inspection for damage or defects, verification that tapers and threads are within specification, handle torque testing, and air leak/air flow testing.
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