MAUDE Adverse Event Report: MICROVENTION, INC. FRED 27; FLOW DIVERTER

Model Number	FRED4518-PMA
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Muscle Weakness/Atrophy (1967); Speech Disorder (4415); Thrombosis/Thrombus (4440)
Date of Event	11/12/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
A search for non-conformances associated with the reported part/lot number combination did not reveal any production-related issues relevant to the complaint that occurred during manufacturing of the device.The device was implanted in the patient and not returned to the manufacturer for analysis.Additionally, procedural images were not provided; therefore, the reported event cannot be confirmed.The instructions for use identifies stent thrombosis, aphasia, and hemiplegia as a potential complication associated with use of the device.
Event or Problem Description
It was reported that after implantation of a fred stent to treat an aneurysm of the left superior hypophyseal artery, the patient demonstrated sudden onset of aphasia and severe right arm and leg weakness.A ct showed no hemorrhage and cta showed an acute left internal carotid artery occlusion.The patient was taken for an emergent mechanical thrombectomy, which was successful.The patient's symptoms resolved shortly thereafter and they were prescribed ticagrelor 90mg twice per day.The patient remains neurologically intact five months after the procedure.

• Brand Name: FRED 27
• Common Device Name: FLOW DIVERTER
• Manufacturer (Section D): MICROVENTION, INC.; 35 enterprise; aliso viejo CA 92656
• MDR Report Key: 11522427
• Report Number: 2032493-2021-00081
• Device Sequence Number: 4497710
• Product Code: OUT
• UDI-Device Identifier: 00842429106785
• UDI-Public: (01)00842429106785(11)200624(17)230531(10)200624596
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: P180027
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/18/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Expiration Date: 05/31/2023
• Device Model Number: FRED4518-PMA
• Device Lot Number: 200624596
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/17/2021
• Initial Report FDA Received Date: 03/19/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 43 YR