It was reported that the proximal filter was torn during device preparation.A sentinel cerebral protection system (cps) was being used for a transcatheter aortic valve replacement (tavr) procedure.The sentinel cps was prepped according to the instructions for use (ifu), however during preparation and prior to introduction to the patient, the proximal filter was noted to have developed a minor tear.Due to the sentinel cps being damaged, device preparation was discontinued.A new sentinel cps was prepared, inserted, and positioned without difficulty to complete the tavr procedure successfully.No patient complications were reported.
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