MAUDE Adverse Event Report: MEDTRONIC HEART VALVES DIVISION MOSAIC AORTIC BIOPROSTHETIC HEART VALVE; HEART-VALVE, NON-ALLOGRAFT TISSUE

Model Number	305U225
Medical Device Problem Codes	Patient Device Interaction Problem (4001); Intravalvular regurgitation (4068)
Health Effect - Clinical Codes	Apnea (1720); Cardiac Arrest (1762); Dyspnea (1816); Thrombosis/Thrombus (4440); Aortic Valve Insufficiency/ Regurgitation (4450); Swelling/ Edema (4577)
Date of Event	11/05/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that 9 years and 10 months post implant of this 25mm aortic bioprosthetic valve, the patient is being evaluated for a transcatheter valve-in-valve replacement.The reason for evaluation was reported as heart failure (fluid retention), laboured breathing, sleep apnea (machine ineffective).It was further reported that the patient was previously hospitalized for five days after experiencing cardiac arrest and required cardiopulmonary resuscitation (cpr).Additionally, it was reported that the patient is currently waiting for the blood clot in the leg to dissolve and is receiving anti-coagulant medications.It was reported that a replacement is needed and to stop patient's anticoagulants to allow for planned surgical intervention.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
Updated initial reporter.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
B1, b5 and h6 codes were 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 received reported another reason for evaluation was moderate aortic central regurgitation.Subsequently on (b)(6) 2026, the patient successfully had a 26mm aortic transcatheter valve-in-valve replacement.No additional adverse patient effects were reported.

• Brand Name: MOSAIC AORTIC BIOPROSTHETIC HEART VALVE
• Common Device Name: HEART-VALVE, NON-ALLOGRAFT TISSUE
• 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: 24428561
• Report Number: 2025587-2026-00203
• Device Sequence Number: 21408363
• Product Code: DYE
• UDI-Device Identifier: 00643169001534
• UDI-Public: (01)00643169001534(17)200727
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: P990064
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• 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,Followup
• Report Date (Section B): 03/26/2026

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 Expiration Date: 07/27/2020
• Device Model Number: 305U225
• Device Catalogue Number: 305U225
• 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: 02/09/2026
• Supplement Date Received by Manufacturer: 03/18/2026; 03/18/2026
• Initial Report FDA Received Date: 02/24/2026
• Supplement Report FDA Received Date: 03/26/2026; 03/26/2026
• Date Device Manufactured: 07/29/2015
• 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
• Outcome Attributed to Adverse Event: Life Threatening; Required Intervention; Hospitalization
• Patient Age: 80 YR
• Patient Sex: Male