It was reported that a polarsheath was selected for a paroxysmal atrial fibrillation cryoablation ablation procedure.
During preparation prior to introduction into the patient, the doctor noticed that when aspirating from the side port, a lot of air was entering despite the tip of the polarsheath being immersed in a basin of water.
The physician then decided to flash and aspirate, even trying to keep the valve close, but the problem returned.
The sheath was replaced and the procedure was completed successfully.
No patient complications were reported.
The device is expected to be returned for analysis.
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