After placement of the catheter at desired lesion, the user attempted negative pressure with syringe to confirm location of the catheter, but only air was aspirated.The complaint catheter was removed from the patient's body, and another device was used instead.
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Labeling review: investigation ¿ evaluation: a review of the complaint history, device history record, drawing, instructions for use (ifu), manufacturing instructions, quality control, trends, and a visual inspection and functional evaluation of the returned device were conducted during the investigation.A leak test of the returned device was performed.The entire locking assembly was submerged in water and injected with air via 30cc syringe.There was a constant stream of air bubbles released between the cap and mac-loc connection as air was injected, thus confirming a leakage.The visual inspection of the device confirmed that the flare on the mac-loc assembly was slightly larger than the minor diameter of the internal cap threads.Additionally, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.A review of the device history record indicated that the lot met all finished goods release criteria.It should be noted there was one other reported complaint for this lot number.Based on the information provided, the examination of the returned product, and the results of our investigation, a definitive root cause could not be determined.Measures have been previously conducted to address this failure mode.We will continue to monitor for similar complaints.Per the health risk assessment, no further action is required.
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