MAUDE Adverse Event Report: ABBOTT MEDICAL MASTERS SERIES HEART COATED AORTIC VALVED GRAFT; HEART-VALVE, MECHANICAL

Model Number	23CAVGJ-514 00
Medical Device Problem Code	Physical Resistance/Sticking (4012)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/03/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Investigation is not yet complete.A follow-up report will be submitted with all additional relevant information.
Event or Problem Description
It was reported that on (b)(6) 2025, a 23mm masters mechanical heart valve was selected for implant.During device preparation, the leaflets were not moving normally when tested with a valve sizer.During implant, valve insufficiency was observed; the valve was unable to open and close.The valve was removed and leaflet function was tested outside of the patient, but the issue persisted.A new 23mm masters mechanical heart valve was successfully implanted.The patient was reported to be in good condition.
Additional Manufacturer Narrative
An event of one valve leaflets not opening and closing after implantation was reported.The device was returned to abbott for investigation.No anomalies were found with the valve leaflets with both leaflets able to fully open and close without resistance.The valve was able to be rotated without difficulty.Hydrodynamic examination indicated the valve met functional specification.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed, including functional testing, and the product met all specifications.The exact cause of the reported event could not be conclusively determined.There is no indication of a product quality issue with respect to labeling design or manufacturing of the device.

• Brand Name: MASTERS SERIES HEART COATED AORTIC VALVED GRAFT
• Common Device Name: HEART-VALVE, MECHANICAL
• Manufacturer (Section D): ABBOTT MEDICAL; 5050 nathan lane n; plymouth MN 55442
• Manufacturer (Section G): ABBOTT MEDICAL REG# 2648612; lot 20 b st caguas; caguas 00725 ; * 00725
• Manufacturer Contact: karen krouse ; 5050 nathan lane n; plymouth, MN 55442 ; 6517565400
• MDR Report Key: 21635166
• Report Number: 2135147-2025-01403
• Device Sequence Number: 7547557
• Product Code: LWQ
• UDI-Device Identifier: 05415067044075
• UDI-Public: (01)05415067044075(17)270210
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P810002
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• 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): 04/22/2025

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 Model Number: 23CAVGJ-514 00
• Device Catalogue Number: 23CAVGJ-514 00
• Device Lot Number: 8336506
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/03/2025
• Supplement Date Received by Manufacturer: 04/17/2025
• Initial Report FDA Received Date: 03/18/2025
• Supplement Report FDA Received Date: 04/22/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/11/2022
• 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: Unknown