MAUDE Adverse Event Report: MICROVENTION, INC. STENT; INTRACRANIAL ANEURYSM FLOW DIVERTER

Model Number	FREDX3019-PMA
Medical Device Problem Code	Activation Problem (4042)
Health Effect - Clinical Codes	Transient Ischemic Attack (2109); Thrombosis/Thrombus (4440)
Date of Event	03/09/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
A search for non-conformances associated with this 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 was not available for analysis.Imaging was not provided as well.The event as described or the alleged product issue could not be confirmed.
Event or Problem Description
It was reported that a stent was difficult to detach.Eventually it did detach but the the proximal end did not fully open.The patient remained overnight due to the stent not completely opening.No thrombus was observed in the unopened portion and the patient was discharged.Later the patient experienced a tia.Angio revealed that the stent is completely occluded due to thrombus.

• Brand Name: STENT
• Common Device Name: INTRACRANIAL ANEURYSM FLOW DIVERTER
• Manufacturer (Section D): MICROVENTION, INC.; 35 enterprise; aliso viejo CA 92656
• Manufacturer Contact: terrence callahan ; 35 enterprise; aliso viejo, CA 92656 ; 7142478000
• MDR Report Key: 24767686
• Report Number: 2032493-2026-00214
• Device Sequence Number: 9298968
• Product Code: OUT
• UDI-Device Identifier: 00842429114261
• UDI-Public: 00842429114261
• Combination Product (Y/N): N
• Initial Reporter State: PA
• Initial Reporter Country: US
• PMA/510(K) Number: P180027
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 04/01/2026

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: FREDX3019-PMA
• Device Lot Number: 0000637989
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/09/2026
• Initial Report FDA Received Date: 04/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 06/28/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other; Hospitalization
• Patient Sex: Unknown