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This regulatory report is being submitted due to retrospective review through capa 624392.Product event summary: the 2af284 balloon catheter with lot number 07755 was returned and analyzed.No anomalies were identified during external visual inspection of the balloon, shaft, and handle segments.The catheter smart chip data was downloaded and reviewed.Data indicated the catheter was used for 16 applications on the reported event date.The catheter was recognized and passed the electrical integrity verifications and performance test.The catheter completed the inflation, ablation, and thawing phases with no console system notices generated.No performance issues were identified.All pressure and flow were in range and temperature curve had no oscillations or overshoots.In conclusion, the reported issue of the temperature dropping faster than expected was not confirmed through testing.The balloon catheter did not fail the returned product inspection.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
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It was reported that during a cryo ablation procedure, the temperatures were not as expected.It was noted that the temperatures during ablation became very cold almost immediately.The physician had to cut all the ablations short due to the cold temperatures.All pulmonary veins were isolated, and the balloon catheter was not replaced. the case was completed with cryo.The data files were reviewed after the case and slight temperature fluctuations were observed in some of the ablations., overall the console controlled the pressure and flow as expected.It was surmised that the temperature fluctuations could have been due to external interference or related to a consumable.No patient complications have been reported as a result of this event.
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