MAUDE Adverse Event Report: BIOSENSE WEBSTER INC QDOT MICRO¿ CATHETER; CATHETER, PERCUTANEOUS, CARDIAC ABLATION, FOR TREATMENT OF ATRIAL FIBRILLATION

Catalog Number	D139501
Medical Device Problem Code	Patient Device Interaction Problem (4001)
Health Effect - Clinical Code	Cardiac Tamponade (2226)
Date of Event	02/25/2025
Type of Reportable Event	Serious Injury
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 31469395l and no internal action related to the complaint was 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).
Event or Problem Description
It was reported that a patient underwent a cardiac ablation with a qdot micro¿ catheter and the patient experienced cardiac tamponade that required pericardiocentesis.After the procedure completion, the cardiac tamponade was found when the patient was in the hospital ward.Blood pressure decrease was confirmed in the hospital ward.Thoracic echography revealed pericardial effusion, and drainage was performed.After the drainage, the patient¿s conditions were stabilized.The patient was under observation.Patient fully recovered and required extended hospitalization for observation.The physician's opinion on the relationship between the event and the product was that the catheter might have been pressed strongly; however, the physician did not consider that the event occurred during the ablation.No abnormalities were observed prior to or during use of the product.No evidence of steam pop.No error messages observed on biosense webster equipment during the procedure.The procedural act (activated clotting time) was over 300.

• Brand Name: QDOT MICRO¿ CATHETER
• Common Device Name: CATHETER, PERCUTANEOUS, CARDIAC ABLATION, FOR TREATMENT OF ATRIAL FIBRILLATION
• 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: kate karberg ; 31 technology dr; irvine, CA 92618 ; 3035526892
• MDR Report Key: 21657887
• Report Number: 2029046-2025-00860
• Device Sequence Number: 15510290
• Product Code: OAE
• UDI-Device Identifier: 10846835016710
• UDI-Public: (01)10846835016710(11)241007(17)271006(10)31469395L
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: P210027
• 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: Other
• Type of Report: Initial
• Report Date (Section B): 03/20/2025

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
• Device Catalogue Number: D139501
• Device Lot Number: 31469395L
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/25/2025
• Initial Report FDA Received Date: 03/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/07/2024
• 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
• Concomitant Medical Products and Therapy/Usage Dates: NGEN GENERATOR PUMP; NGEN PUMP; RF NEEDLE (BSJ)
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization; Life Threatening
• Patient Sex: Female