MAUDE Adverse Event Report: Biosense Webster Inc VARIPULSE¿ Bi-Directional Catheter; Percutaneous Cardiac Abl Cath for Treatmt of AFib w Irreversible Electroporation

Catalog Number	D141201
Medical Device Problem Code	Patient Device Interaction Problem (4001)
Health Effect - Clinical Code	Paralysis (1997)
Date of Event	08/26/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that a patient underwent a cardiac ablation and the patient experienced phrenic nerve palsy that required cpap therapy.During right superior pulmonary vein (rspv) ablation, phrenic nerve palsy occurred.Pulmonary vein isolation (pvi) was performed, and the procedure was completed.The patient left the catheterization room while receiving continuous positive airway pressure (cpap) therapy.An x-ray examination was scheduled for a later date.The physician considered that the issue was related to rpv ablation.This was a varipulse plus procedure.
Additional Manufacturer Narrative
An analysis of the product could not be performed since a physical sample was not received for evaluation.A manufacturing record evaluation was performed for the finished device number lot 31891225l and no internal actions related to the complaint were found during the review.As part of our company quality system process, all devices are manufactured, inspected, and distributed to approved specifications.This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by biosense webster, inc., or its employees that the report constitutes an admission that the product, biosense webster, inc., or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.Manufacturer's reference number: (b)(4).

• Brand Name: VARIPULSE¿ Bi-Directional Catheter
• Common Device Name: Percutaneous Cardiac Abl Cath for Treatmt of AFib w Irreversible Electroporation
• Manufacturer (Section D): Biosense Webster Inc; 31 technology drive, suite 200; irvine CA 92618
• Manufacturer (Section G): Biosense Webster Inc (Juarez); circuito interior norte; 1820parque industrial salvacar; juarez 32599 ; MX 32599
• Manufacturer Contact: katie seppa ; 31 technology dr; irvine, CA 92618 ; +1(513)337-8052
• MDR Report Key: 50889336
• Report Number: 3013300026-2026-03150
• Device Sequence Number: 18589801
• Product Code: QZI
• UDI-Device Identifier: 10846835025460
• UDI-Public: (01)10846835025460(17)270419(10)31891225L
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: P240006
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Type of Report: Initial
• Report Date (Section B): 09/24/2026

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 Catalogue Number: D141201
• Device Lot Number: 31891225L
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/26/2026
• Initial Report FDA Received Date: 09/24/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/20/2026
• 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
• Patient Age: 58 YR
• Patient Sex: Male
• Patient Weight: 224 LB