Product event summary: the data files and balloon catheter, (b)(4) with lot number 90776, were returned an analyzed.The data files showed twelve applications which showed a system notice 50012, which indicates ¿the refrigerant delivery path is obstructed¿ was triggered on applications one and two.The first 4 applications were performed with balloon catheter (b)(4), with lot number 90776, and the last 8 applications were performed with balloon catheter (b)(4), with lot 90776.External visual inspection of the balloon catheter showed the device was intact with no apparent issues.Dissection of the balloon catheter showed a guide wire lumen kink 1.02 inches from the tip inside of the balloon.The pressure test did not show any leaks.In conclusion, the reported guide wire lumen kink was confirmed through product analysis but not confirmed through the data analysis.The balloon catheter failed the return product inspection due to the guide wire lumen kink.If information is provided in the future, a supplemental report will be issued.
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