MAUDE Adverse Event Report: MEDTRONIC HEART VALVES DIVISION HANCOCK II; HEART-VALVE, NON-ALLOGRAFT TISSUE

Model Number	T505C25
Medical Device Problem Codes	Insufficient Device Problem Information (3190); Device Stenosis (4066)
Health Effect - Clinical Codes	Aortic Valve Stenosis (1717); Insufficient Information (4580)
Date of Event	05/22/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
Medtronic received information that an unknown duration post implant of this 25mm hancock aortic bioprosthetic valve, the patient is being evaluated for a transcatheter valve-in-valve replacement.The reason for evaluation was not reported.No intervention or adverse patient effects were reported.
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: HANCOCK II
• Common Device Name: HEART-VALVE, NON-ALLOGRAFT TISSUE
• Manufacturer (Section D): MEDTRONIC HEART VALVES DIVISION; 1851 e deere ave; santa ana CA 92705
• Manufacturer (Section G): MEDTRONIC HEART VALVES DIVISION; 1851 e deere ave; santa ana CA 92705
• Manufacturer Contact: alison sweeney ; parkmore business park west; galway ; EI ; 091708096
• MDR Report Key: 25315029
• Report Number: 2025587-2026-00574
• Device Sequence Number: 5294084
• Product Code: DYE
• Combination Product (Y/N): N
• Initial Reporter Country: CI
• PMA/510(K) Number: P980043
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 06/26/2026

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: T505C25
• Device Catalogue Number: T505C25
• 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: 05/22/2026
• Supplement Date Received by Manufacturer: 06/25/2026
• Initial Report FDA Received Date: 05/28/2026
• Supplement Report FDA Received Date: 06/27/2026
• 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: Required Intervention; Hospitalization
• Patient Age: 78 YR
• Patient Sex: Male
• Patient Weight: 80 KG