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

Model Number	305U221
Medical Device Problem Codes	Insufficient Device Problem Information (3190); Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Codes	Cardiomyopathy (1764); Insufficient Information (4580)
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
It was reported that an unknown duration post implant of this 21mm 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 received additional information that changed the event description and device relatedness of this previously reported event.There was no evidence to suggest the device caused or contributed to a serious injury.B5: updated h6: 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 reported the patient's hypertrophic cardiomyopathy had made it seem their transvalvular gradients were elevated.It was further reported that the aortic bioprosthetic valve is functioning well.No intervention or 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: 24455662
• Report Number: 2025587-2026-00217
• Device Sequence Number: 10051870
• Product Code: DYE
• UDI-Device Identifier: 00643169001848
• UDI-Public: (01)00643169001848(17)200413
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: P990064
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/22/2026

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 Expiration Date: 04/13/2020
• Device Model Number: 305U221
• Device Catalogue Number: 305U221
• 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: 02/19/2026
• Supplement Date Received by Manufacturer: 03/27/2026
• Initial Report FDA Received Date: 02/26/2026
• Supplement Report FDA Received Date: 04/22/2026
• Date Device Manufactured: 04/15/2015
• 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 Sex: Female