Product event summary: the data files and balloon catheter were returned and analyzed.The data files showed that 2 applications with the balloon catheter, 2af284 with lot number 60151 which did not show any system notice or any issue.The data files also showed 22 applications were performed with balloon catheter, 2af284 with lot number 60152, which showed a system notice 50012, that indicates ¿refrigerant delivery path is obstructed,¿ which was triggered on the first application.The reported issue of guidewire lumen kink was not confirmed through data analysis.Visual inspection of the balloon catheter was intact with no apparent issues.Smart chip verification showed that the catheter has been used for 2 injections.A dissection showed a guide wire lumen kink 1.4110 inches from the tip of the catheter.The catheter failed the performance test due to the kink on guide wire lumen.In conclusion, the reported guidewire lumen kink was confirmed through testing, but not through data analysis.The catheter failed the return product inspection due to a guidewire lumen kink.If information is provided in the future, a supplemental report will be issued.
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