(b)(4).It was reported that during an afib case, the la map shifted significantly while moving the ablation catheter from the left veins to the right veins.No errors were seen on the c3 system.The patient was morbidly obese, but under anesthesia and did not appear to move.All 6 patches were in range but close to maximum height.A new map was performed to continue the case, completed without patient harm.Issue related to patient setup.Fse followed up with account to explain that the issue was caused by stretching of obese patient's skin and wedges placed under him.In addition fse followed up with cas again after two more cases.Issue has not occurred again.System ready for use.The history of customer complaints associated with carto 3 system # 11786 was reviewed.There was no any additional complaint out of 54 additional reported complaints that may be related to the reported issue.Dhr review was performed by the manufacturer and no anomalies were noted in manufacturing or servicing of this equipment.
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