MAUDE Adverse Event Report: W. L. GORE & ASSOCIATES, INC. GORE® EXCLUDER® ILIAC BRANCH ENDOPROSTHESIS; SYSTEM, ENDOVASCULAR GRAFT, AORTIC ANEURYSM TREATMENT

Catalog Number	HGB161407A
Medical Device Problem Code	Obstruction of Flow (2423)
Health Effect - Clinical Codes	Obstruction/Occlusion (2422); Clinical Endoleak (4843)
Date of Event	10/21/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
W.L.Gore & associates, inc.(gore) is submitting this report to comply with 21 c.F.R.Part 803, the medical device reporting regulation.This report is based upon information obtained by gore, which the company may have not been able to fully investigate or verify prior to the date the report was required by the fda.Blank fields present on this report include required fields and fields determined to be not applicable.Blank required fields indicate that the information was not provided, was deemed unavailable or was not applicable.This report does not constitute an admission or a conclusion by fda, gore, or its associates that the device, gore or its associates caused or contributed to the event described in the report.In particular, this report does not constitute a legal admission by anyone that the product described in this report has any defects or has malfunctioned, as defined from a legal standpoint.These words are included in the report and are fixed items for selection created by the fda, to categorize the type of event solely for the purpose of reporting pursuant to part 803.This statement should be included with any information or report disclosed to the public under the freedom of information act.
Event or Problem Description
The following was reported to gore on december 22, 2025, from a tgr study notification: on (b)(6) 2025, the patient underwent endovascular treatment as a planned endovascular procedure for a common iliac artery aneurysm.The patient was treated with the gore® excluder® aaa endoprosthesis, and gore® excluder® iliac branch endoprosthesis.The gore® devices were successfully implanted.The patient was discharged on (b)(6) 2025.On (b)(6) 2025, the patient had a cta.Initial findings noted occlusion of the right internal iliac endoprosthesis, a type ii endoleak, and stent kinking.No reintervention has occurred.The physician confirmed that both internal iliac components on the right are occluded, and the occlusion was anatomy-related due to poor distal outflow of the internal iliac branches.The physician also stated that there was no kinking; however, mild narrowing of the bilateral external iliac artery stent components was observed.
Additional Manufacturer Narrative
Added g3/g4, h1/h2, h6.The following device (same device family) will also be included in this report: catalog #hgb161007a/ serial #(b)(6) udi # (b)(4).

• Brand Name: GORE® EXCLUDER® ILIAC BRANCH ENDOPROSTHESIS
• Common Device Name: SYSTEM, ENDOVASCULAR GRAFT, AORTIC ANEURYSM TREATMENT
• Manufacturer (Section D): W. L. GORE & ASSOCIATES, INC.; 1505 n. fourth street; flagstaff AZ 86004
• Manufacturer (Section G): MEDICAL SILICON VALLEY B/P; 2890 de la cruz blvd.; santa clara CA 95050
• Manufacturer Contact: monique nwanze ; 1505 n. fourth street; flagstaff, AZ 86004 ; 9285263030
• MDR Report Key: 24057716
• Report Number: 3013164176-2026-02870
• Device Sequence Number: 15958296
• Product Code: MIH
• UDI-Device Identifier: 00733132635337
• UDI-Public: (01)00733132635337(17)270410
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: P020004
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Study
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 02/27/2026

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?: No
• Operator of Device: Health Professional
• Device Catalogue Number: HGB161407A
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/22/2025
• Supplement Date Received by Manufacturer: 02/27/2026
• Initial Report FDA Received Date: 01/13/2026
• Supplement Report FDA Received Date: 02/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/11/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: MEDICATION: HYPERCHOLESTEROLEMIA, HYPERTENSION.
• Patient Age: 63 YR
• Patient Sex: Male
• Patient Race: White