MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION FARAWAVE; CARDIAC IRREVERSIBLE ELECTROPORATION SYSTEM CATHETER

Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Non specific EKG/ECG Changes (1817)
Date of Event	09/25/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
It was indicated that the device will not be returned for evaluation.If there is any further relevant information obtained, a supplemental medwatch will be filed.Detailed product information was not provided to bsc.We completed a good faith effort to obtain the information, but it was unable to be obtained.Because the product is unknown, we are unable to provide the unique identifier (udi) and other specific product information.
Event or Problem Description
It was reported that st segment elevation occurred.A pulse field ablation procedure for atrial fibrillation was performed using a 31mm farawave catheter.Following pulse field ablation of the left superior pulmonary vein st segment elevation was identified via several electrocardiogram channels.No interventions were provided and the st segment elevation resolved after approximately two (2) to three (3) minutes.Baseline rhythm was reestablished and the procedure was successfully completed.

• Brand Name: FARAWAVE
• Common Device Name: CARDIAC IRREVERSIBLE ELECTROPORATION SYSTEM CATHETER
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer Contact: mary crawford ; 4100 hamline avenue north; dc a330; saint paul, MN 55112 ; 6514400979
• MDR Report Key: 23291564
• Report Number: 2124215-2025-68894
• Device Sequence Number: 4890457
• Product Code: QZI
• UDI-Device Identifier: 00191506043155
• UDI-Public: (01)00191506043155
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 10/14/2025

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
• 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: 09/25/2025
• Initial Report FDA Received Date: 10/15/2025
• 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: Other
• Patient Sex: Unknown