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

Model Number	305C221
Medical Device Problem Code	Intravalvular regurgitation (4068)
Health Effect - Clinical Code	Aortic Valve Insufficiency/ Regurgitation (4450)
Date of Event	04/17/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
Medtronic received information that during the implant of this 21mm mosaic valve, it was explanted and replaced with a competitors valve.The reason for the replacement was reported that, during an ultrasound imaging to assess blood flow, valvular insufficiency and regurgitation were present. the surgery was completed successfully. no additional 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.
Additional Manufacturer Narrative
B5: updated.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
Additional information was received that the regurgitation was moderate and the surgeon suspected a possible leaflet malfunction.No additional adverse patient effects were reported.

• Brand Name: MOSAIC AORTIC BIOPROSTHETIC HEART VALVE
• 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: 24936336
• Report Number: 2025587-2026-00435
• Device Sequence Number: 10154082
• Product Code: DYE
• UDI-Device Identifier: 00763000049850
• UDI-Public: (01)00763000049850(17)281031
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P990064
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Device Explanted Year: 2026
• 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): 04/30/2026

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: 305C221
• Device Catalogue Number: 305C221
• 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: 04/17/2026
• Supplement Date Received by Manufacturer: 04/27/2026
• Initial Report FDA Received Date: 04/21/2026
• Supplement Report FDA Received Date: 04/30/2026
• Date Device Manufactured: 11/02/2023
• 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; Life Threatening
• Patient Sex: Unknown