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

Catalog Number	PLL161407
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Paresis (1998)
Date of Event	02/20/2026
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 not have 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 field sales associate (fsa) reported the following to gore: on (b)(6) 2026, during a gore® excluder® thoracoabdominal branch endoprosthesis (tambe) procedure, the physician encountered difficulty accessing the right renal artery.Despite attempts, the artery could not be cannulated.As a result, the physician elected to plug the renal portal with an amplatzer 14 mm plug.The physician does not believe the event was related to the gore device(s).No renal complications were reported.The patient tolerated the procedure on (b)(6) 2026, the patient developed paraparesis.A rescue spinal drain was placed, after which the patient began slowly improving.
Additional Manufacturer Narrative
Added: g3/g4, h1/21, h6.

• Brand Name: GORE® EXCLUDER® AAA 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: 24598101
• Report Number: 3013164176-2026-02931
• Device Sequence Number: 21190739
• Product Code: MIH
• UDI-Device Identifier: 00733132618767
• UDI-Public: (01)00733132618767(17)280414
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: P020004
• 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: Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• 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?: No
• Operator of Device: Health Professional
• Device Catalogue Number: PLL161407
• 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: 02/20/2026
• Supplement Date Received by Manufacturer: 03/31/2026
• Initial Report FDA Received Date: 03/13/2026
• Supplement Report FDA Received Date: 04/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/16/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown