MAUDE Adverse Event Report: ABBOTT MEDICAL MASTERS SERIES MECHANICAL HEART VALVE; HEART-VALVE, MECHANICAL

Model Number	27MJ-501
Medical Device Problem Code	Physical Resistance/Sticking (4012)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/15/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device is not returning for evaluation.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 27mm sjm masters series mechanical heart valve was chosen for a procedure.During procedure, it was noted that the valve leaflets do not open and close feasibly.During preparation, the leaflet function was tested using a valvular sizer.The valve was removed and a new 27mm sjm masters series mechanical heart valve was and completed the procedure intra-procedurally while the patient was still on bypass.The patient remained hemodynamically stable throughout the procedure.There was no clinically significant delay in procedure and no adverse patient effects.The patient was reported stable.
Event or Problem Description
N/a.
Additional Manufacturer Narrative
An event of leaflet incomplete coaptation was reported.The device was returned to abbott for investigation and found that both the leaflets were intact and mobile.The valve was able to be rotated freely.There were no visible evidence of surface damage or anomalies.Hydrodynamic testing upon return to abbott indicated the valve functioned normally.This test ensures proper leaflet coaptation and hemodynamic performance.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed, including functional testing at the time of manufacturing, and the product met all specifications.The cause of the reported incomplete coaptation 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 MECHANICAL HEART VALVE
• 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: 22749572
• Report Number: 2135147-2025-04398
• Device Sequence Number: 18528555
• Product Code: LWQ
• UDI-Device Identifier: 05415067045034
• UDI-Public: (01)05415067045034(17)280610
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P810002
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• 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): 09/15/2025

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: 27MJ-501
• Device Catalogue Number: 27MJ-501
• Device Lot Number: C00012932
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/15/2025
• Supplement Date Received by Manufacturer: 09/08/2025
• Initial Report FDA Received Date: 08/08/2025
• Supplement Report FDA Received Date: 09/15/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/12/2023
• 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