Product event summary: the data files were returned and analyzed.The data files showed the first six applications were performed with the balloon catheter and system notice (b)(4) ¿the safety system has detected a compromised outer vacuum¿ was triggered on application six.Other applications were performed with a different catheter without triggering any issue.The reported visual blood issue and system notice (b)(4) ¿the safety system has detected fluid in the catheter and stopped the injection¿ were confirmed neither through the data analysis nor through testing.Visual inspection of the catheter showed blood inside the balloon.Smart chip verification indicated that the catheter was used for 3 applications on the date of the event.The catheter failed the performance test due to system notice (b)(4).The dissection/pressure test showed a guide wire lumen kink inside the balloons 0.9 inches from the tip of the catheter.Pressure testing did show leaks from a guide wire lumen breach.In conclusion, the catheter failed the returned product inspection due to a guide wire lumen kink and breach.If information is provided in the future, a supplemental report will be issued.
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It was reported that during a cryo ablation procedure, a system notice was received indicating that the safety system detected a compromised outer vacuum.The balloon catheter was replaced with resolve.The procedure continued, and the remaining pulmonary vein was ablated with radiofrequency.The balloon catheter was returned to the manufacturer, analyzed, and tested out of specification.
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