MAUDE Adverse Event Report: MEDTRONIC, INC. AFFERA; PERCUTANEOUS CARDIAC ABLATION CATHETER FOR TREATMENT OF ATRIAL FIBRILLATION WITH

Model Number	AFR-00001
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Arrhythmia (1721); Atrial Fibrillation (1729); Fatigue (1849); Palpitations (2467)
Date of Event	02/24/2026
Type of Reportable Event	Serious Injury
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.
Event or Problem Description
It was reported that approximately one week following an index ablation procedure, the patient presented to the emergency department with fatigue, palpitations, an irregular pulse of 122, and effort intolerance attributable to atrial fibrillation with rapid ventricular response.A 12-lead electrocardiogram confirmed atrial fibrillation with rapid ventricular response.The patient had a new hospitalization for this event and received an intravenous potassium channel blocker loading dose over 24 hours, followed by potassium channel blocker 200 mg twice daily for one week and then 200 mg once daily.Electrical cardioversion was performed successfully, and the patient was discharged from the hospital with the outcome reported as recovering/resolving.No further patient complications have been reported as a result of this event.

• Brand Name: AFFERA
• Common Device Name: PERCUTANEOUS CARDIAC ABLATION CATHETER FOR TREATMENT OF ATRIAL FIBRILLATION WITH
• Manufacturer (Section D): MEDTRONIC, INC.; 880 technology park drive; billerica MA 01821
• Manufacturer (Section G): MEDTRONIC, INC.; 880 technology park drive; billerica MA 01821
• Manufacturer Contact: alison sweeney ; parkmore business park west; galway ; EI ; 091708096
• MDR Report Key: 25334194
• Report Number: 3012520654-2026-00239
• Device Sequence Number: 13168996
• Product Code: QZI
• UDI-Device Identifier: 00763000973391
• UDI-Public: (01)00763000973391(17)261218(10)0232721609
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: P240013
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Study,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 05/29/2026

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: AFR-00001
• Device Catalogue Number: AFR-00001
• Device Lot Number: 0232721609
• 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: 05/01/2026
• Initial Report FDA Received Date: 05/29/2026
• Date Device Manufactured: 11/18/2025
• 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: Required Intervention; Hospitalization
• Patient Age: 80 YR
• Patient Sex: Female
• Patient Weight: 93 KG