MAUDE Adverse Event Report: BIOSENSE WEBSTER INC PENTARAY NAV; CATHETER, INTRACARDIAC MAPPING, HIGH-DENSITY ARRAY

Catalog Number	D128210
Medical Device Problem Code	Obstruction of Flow (2423)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/02/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
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 paroxysmal atrial fibrillation procedure with a pentaray nav and an irrigation issue (device used in patient) was observed.Irrigation inadequate.During the procedure, there was an intermittent or low irrigation on the device but not complete occlusion.A second device was used to complete the procedure.There was no adverse event reported on the patient.Additional information was received on 09-feb-2026.The suspected device for the reported flow/irrigation issue was the catheter.The device was used in the patient.The smartablate system-pump china/ 4900403 was used.No error was noted from the irrigation pump.The issue was discovered by poor perfusion.The correct catheter settings were selected on the generator.No issues with flow rate change at the start of the ablation.The irrigation issue originally reported is non reportable; however, bwi became aware on 09-feb-2026 that the device was used in the patient and have reassessed the irrigation issue (device used in patient) as reportable.The awareness date for this record is 09-feb-2026.
Additional Manufacturer Narrative
It was reported that a patient underwent a paroxysmal atrial fibrillation procedure with a pentaray nav and an irrigation issue (device used in patient) was observed.The device evaluation details.The device was returned to johnson & johnson medtech (j&j medtech) for evaluation on 30-mar-2026.Following j&j medtech procedures, a visual inspection and irrigation test of the returned device were performed.Visual inspection revealed no damage or anomalies on the device.An irrigation test was performed, and the device was irrigating correctly, no obstructed holes were observed.No irrigation issues were observed.A manufacturing record evaluation was performed for the finished device batch number, and no internal actions were identified.The irrigation issue reported by the customer could not be replicated during the product investigation; other issues or circumstances may have occurred during the use of the device that may have affected its performance.The instructions for use (ifu) contain the following information: flush the catheter with heparinized saline prior to insertion into the body.Always follow standard practices of using a continuous drip of anticoagulant fluid under pressure through the proximal luer connector when the device is in the body.As part of johnson & johnson medtech's quality process, all devices are manufactured, inspected, and released to approved specifications.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's reference number: (b)(4).

• Brand Name: PENTARAY NAV
• Common Device Name: CATHETER, INTRACARDIAC MAPPING, HIGH-DENSITY ARRAY
• 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: henry boden ; 31 technology dr; irvine, CA 92618 ; 9497882078
• MDR Report Key: 24507009
• Report Number: 2029046-2026-00705
• Device Sequence Number: 9870476
• Product Code: MTD
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K123837
• 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,Followup
• Report Date (Section B): 04/21/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: D128210
• Device Lot Number: 31764615L
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/09/2026
• Supplement Date Received by Manufacturer: 03/30/2026
• Initial Report FDA Received Date: 03/04/2026
• Supplement Report FDA Received Date: 04/22/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/17/2025
• 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
• Patient Sex: Unknown