A straightener was mis-threaded back onto a pigtail catheter during a percutaneous thromboembolectomy resulting in the straightener not peeling off as designed when it was reinserted into the sheath.It remained flat on the catheter during a subsequent reinsertion which allowed it to be fully inserted into the sheath where it ultimately migrated off of the device into the patient's circulation and to the pericardium creating a cardiac tamponade.The patient experienced a cardiac arrest and coded until blood was extracted from the pericardium.The patient never regained meaningful neurological function after the event and was placed into hospice with comfort care two weeks prior to expiring.The mfr was notified of the event on 05/03/2021.
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