A review of the device history records was performed for the indicated packaging and component lots for any deviations related to the reported defect of the complaint.The review confirms that the lots met all material, assembly and performance specifications.The (b)(6) 2017 angiodynamics complaint report was reviewed for the contrast injection lines product family and the failure mode "air bubbles." no adverse trend was indicated.Without receiving product for evaluation, the root cause of the reported event is unable to be determined.A possible root cause may be that the end user did not adequately secure connections between the cil and the device to which they were connecting, and that the connections were not "finger tightened" prior to use as it is stated in the directions for use (dfu) provided with the contrast injection line.The dfu contains the following statements, "all connections should be finger tightened.Over tightening can cause cracks and leaks to occur that could result in embolism and or exposure to biohazards." (b)(4).
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