MAUDE Adverse Event Report: MEDTRONIC HEART VALVES DIVISION MOSAIC; REPLACEMENT HEART-VALVE

Model Number	305C21
Medical Device Problem Codes	Insufficient Device Problem Information (3190); Device Stenosis (4066)
Health Effect - Clinical Codes	Aortic Valve Stenosis (1717); Calcium Deposits/Calcification (1758)
Date of Event	04/27/2026
Type of Reportable Event	Malfunction
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.
Event or Problem Description
Medtronic received information that post implant of this aortic bioprosthetic valve, the patient is being evaluated for a transcatheter valve-in-valve replacement.The reason for evaluation was not reported.It was reported that calcium was seen under the non-coronary cusp (ncc) , the left ventricular outflow tract (lvot) and proximal right coronary artery.No intervention or adverse patient effects were reported.
Event or Problem Description
Additional information received reported the reason for evaluation was severe aortic stenosis (as).No intervention or adverse patient effects were reported.
Additional Manufacturer Narrative
Sections updated: b.5 e.1 e.2 e.3 h.6 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: MOSAIC
• Common Device Name: REPLACEMENT HEART-VALVE
• 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: 25044187
• Report Number: 2025587-2026-00483
• Device Sequence Number: 12395613
• Product Code: DYE
• Combination Product (Y/N): N
• Initial Reporter Country: CO
• PMA/510(K) Number: P990064
• 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): 05/12/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 305C21
• Device Catalogue Number: 305C21
• 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: 04/27/2026
• Supplement Date Received by Manufacturer: 05/08/2026
• Initial Report FDA Received Date: 04/30/2026
• Supplement Report FDA Received Date: 05/12/2026
• 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
• Patient Age: 79 YR
• Patient Sex: Female
• Patient Weight: 61 KG