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

Model Number	310C29
Medical Device Problem Code	Patient Device Interaction Problem (4001)
Health Effect - Clinical Codes	Atrial Fibrillation (1729); Atrial Flutter (1730); Tachycardia (2095); Heart Block (4444)
Date of Event	09/19/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that 7 days post implant of this 27mm aortic bioprosthetic valve and 29mm mitral bioprosthetic valve, a permanent pa cemaker was implanted.The reason for the permanent pacemaker was reported as complete heart block and atrial arrythmias (atrial tachycardia (at), atrial fibrillation (af) and atrial flutter (a-fl)).No additional adverse patient effects were reported.
Additional Manufacturer Narrative
Continuation of d10: product id 305c227 (j352993); product type: 0195-heart valves; implant date (b)(6) 2025; 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 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: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 24827795
• Report Number: 2025587-2026-00398
• Device Sequence Number: 21408865
• Product Code: DYE
• UDI-Device Identifier: 00643169594852
• UDI-Public: (01)00643169594852(17)300218
• Combination Product (Y/N): N
• Initial Reporter State: LA
• Initial Reporter Country: US
• PMA/510(K) Number: P990064
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• 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): 04/09/2026

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 Model Number: 310C29
• Device Catalogue Number: 310C29
• 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: 03/31/2026
• Initial Report FDA Received Date: 04/09/2026
• Date Device Manufactured: 02/19/2025
• 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
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Life Threatening; Hospitalization; Required Intervention
• Patient Age: 71 YR
• Patient Sex: Male