It was reported that the distal filter inadvertently deployed during device removal.A sentinel cerebral protection system was used during a transcatheter aortic valve replacement (tavr) procedure.After deployment of the sentinel cerebral protection proximal filter, the distal filter could not be deployed.The procedure was continued with only the proximal filter deployed.At some point during the procedure, the #3 distal filter hypotube broke off of the handle of the sentinel cerebral protection system.When the physician was removing the sentinel device from the patient, the distal filter was inadvertently deployed in the patients radial artery.The distal filter was recaptured and the sentinel cerebral protection system was removed from the patient together with the introducer sheath.No patient harm occurred.
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