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

Model Number	310C31
Medical Device Problem Codes	Calcified (1077); Incomplete Coaptation (2507); Material Split, Cut or Torn (4008); Device Stenosis (4066); Intravalvular regurgitation (4068)
Health Effect - Clinical Codes	Chest Pain (1776); Dyspnea (1816); Mitral Valve Stenosis (1965); Mitral Valve Insufficiency/ Regurgitation (4451)
Date of Event	11/07/2024
Type of Reportable Event	Serious Injury
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
It was reported that that 15 years and 7 months post implant of this 31mm mitral bioprosthetic valve, it was explanted and replaced with a 31mm mitral bioprosthetic valve of the same model.The reason for the replacement was reported as severe mitral stenosis and mild mitral regurgitation.It was further reported that there is restricted movement of 2 of the 3 leaflets.It was noted that the patient was symptomatic including experiencing shortness of breath (sob) on exertion and chest heaviness.A coronary artery bypass graft (cabg) procedure was also performed during the same procedure due to the patients right coronary artery and vein graft being occluded.The tricuspid valve was also repaired during the procedure.It was mentioned that it was observed that the explanted valve was heavily calcified and had a torn leaflet resulting in prolapse.No additional adverse patient effects were reported.

• Brand Name: MOSAIC MITRAL 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: 21471392
• Report Number: 2025587-2025-01483
• Device Sequence Number: 21010920
• Product Code: DYE
• UDI-Device Identifier: 00885074247878
• UDI-Public: 00885074247878
• Combination Product (Y/N): N
• Initial Reporter State: WA
• Initial Reporter Country: US
• PMA/510(K) Number: P990064
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2009
• Device Explanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 02/26/2025

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 Expiration Date: 06/25/2013
• Device Model Number: 310C31
• Device Catalogue Number: 310C31
• 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: 02/01/2025
• Initial Report FDA Received Date: 02/26/2025
• Date Device Manufactured: 08/07/2008
• 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: 76 YR
• Patient Sex: Male
• Patient Weight: 82 KG