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As reported, during coiling of a cerebral aneurysm involving a patient with an acute subarachnoid hemorrhage, the valve of a flexor raabe guiding sheath leaked.Another manufacturer's guidewire and an unknown 8 french short-sheath were used during the procedure.After insertion of the complaint device, the check-flo valve leaked blood continuously.A section of the device did not remain inside the patient¿s body.The patient did not require any additional procedures due to this occurrence.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.
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Blank fields on this form indicate the information is unknown, unavailable, or unchanged.Additional information: see b5.Corrected information: g5.Summary of event: as reported, during coiling of a cerebral aneurysm involving a patient with an acute subarachnoid hemorrhage, the valve of a flexor raabe guiding sheath leaked.Another manufacturer's guidewire and an unknown 8 french short-sheath were used during the procedure.After insertion of the complaint device, the check-flo valve leaked blood continuously.A section of the device did not remain inside the patient¿s body.The patient did not require any additional procedures due to this occurrence.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.Additional information was received 18mar2020.The physician reportedly "used the same sheath provided in the ivc filter kit" through the lumen of the device.The device was not used to complete the procedure.No additional interventions were required as a result of the reported event.Investigation ¿ evaluation: a review of the complaint history, device history record, drawing, instructions for use, manufacturing instructions, quality control, and personnel interview was conducted during the investigation.In addition, a visual inspection and functional test of the complaint device was performed.The visual inspection of the complaint device found no visual evidence of biomatter or valve damage.A leak test was then performed by placing a hemostat on the shaft of the sheath and introducing water through a syringe into the sidearm.During the test, water droplets exited the check-flo valve.A document-based investigation evaluation was performed.A review of the device history record revealed no failure related nonconformances.A complaint search revealed no other complaints associated with this lot number.Evidence from the complaint file, device history record, complaint history, validations, manufacturing documents, and device failure analysis suggests that the device was manufactured to specification.There is no evidence of nonconforming devices from the complaint lot in house or in the field.Cook has concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.Investigation has concluded that based on the information provided, a definitive root cause cannot be determined.Possible reasons for the failure include the nature of the procedure and user handling.Per the quality engineering risk assessment, no further action is required.Cook will continue to monitor for similar complaints.This report is required by the fda under 21 cfr part 803 and is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement contained herein is intended to be an admission that any cook device is defective or malfunctioned, that a death or serious injury occurred, nor that any cook device caused, contributed to, or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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