MAUDE Adverse Event Report: ABBOTT MEDICAL TACTICATH¿ CONTACT FORCE ABLATION CATHETER, SENSOR ENABLED¿ BID CURVE D-F; CATHETER, PERCUTANEOUS, CARDIAC ABLATION, FOR TREATMENT OF ATRIAL FIBRILLATION

Model Number	A-TCSE-DF
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Arrhythmia (1721)
Date of Event	12/17/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
During an atrial fibrillation ablation procedure, after confirming the pulmonary veins and posterior wall were blocked, an elevated st segment was observed when going back on 12 ecg screen on the ep recording system.This appeared when both the ablation catheter and the mapping catheter did not move.The arrhythmia lasted for less than 5 minutes and resolved progressively on its own without any intervention.The cause of the arrhythmia is unknown.There were no performance issues with any abbott device.
Additional Manufacturer Narrative
Additional information: d9, g3, h2, h3, h6, h11.The results of the investigation are inconclusive since the device was not returned for analysis; however, the log files from the tactisys quartz system were returned.The log file analysis concluded that the tacticath se catheter performed as intended.The optical fibers met specifications, the recorded temperatures indicated cooling during rf ablation, and contact force measurements were displayed throughout the duration of the log files.The batch record was reviewed to ensure that each manufacturing and inspection operation was performed.The cause of the reported event remains unknown.

• Brand Name: TACTICATH¿ CONTACT FORCE ABLATION CATHETER, SENSOR ENABLED¿ BID CURVE D-F
• Common Device Name: CATHETER, PERCUTANEOUS, CARDIAC ABLATION, FOR TREATMENT OF ATRIAL FIBRILLATION
• Manufacturer (Section D): ABBOTT MEDICAL; parque industrial, zona franca coyol s.a.; edificio #44b, calle 0, avenida 2, coyol; alajuela, costa rica 1897- 4050; CS 1897-4050
• Manufacturer (Section G): ABBOTT MEDICAL; parque industrial, zona franca coyol s.a.; edificio #44b, calle 0, avenida 2, coyol; alajuela, costa rica 1897- 4050; CS 1897-4050
• Manufacturer Contact: wendy mccarty ; 5050 nathan lane n; plymouth, MN 55442 ; 6517565400
• MDR Report Key: 24058800
• Report Number: 3008452825-2026-00019
• Device Sequence Number: 9465904
• Product Code: OAE
• UDI-Device Identifier: 05415067027641
• UDI-Public: (01)05415067027641(10)10875270(17)261031
• Combination Product (Y/N): N
• Initial Reporter Country: FR
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 03/17/2026

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: A-TCSE-DF
• Device Catalogue Number: A-TCSE-DF
• Device Lot Number: 10875270
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/17/2025
• Supplement Date Received by Manufacturer: 03/17/2026
• Initial Report FDA Received Date: 01/13/2026
• Supplement Report FDA Received Date: 03/17/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/21/2025
• 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
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Life Threatening
• Patient Sex: Unknown