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

Catalog Number	D128211
Medical Device Problem Code	Obstruction of Flow (2423)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that a patient underwent a paroxysmal atrial fibrillation (afib) ablation procedure with a pentaray nav which was not irrigating and used on patient.It was initially reported by the customer that during the operation, device was not irrigating.A second device was used to complete the operation.There was no adverse event reported on patient.The customer's reported occlusion issue is not considered to be mdr reportable since the potential risk that it could cause or contribute to a serious injury or death to the operator or patient is remote.On 4-mar-2026, additional information was received indicating the suspected issue was with the catheter.There was no error message from the irrigation pup as a pressurized bag was used.The pentaray nav was used on the patient and there were no flow rate issues at the start of irrigation.The correct catheter settings were selected on the generator.Based on the additional information received indicating the device with an irrigation issue was used on the patient, the event was assessed as an mdr reportable 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.E1: initial reporter phone: (b)(6).Manufacturer's ref.# (b)(4).
Additional Manufacturer Narrative
On 1-apr-2026, the bwi product analysis lab received the complaint device for evaluation.The product analysis has begun but is not completed at this time.When the investigational analysis has been completed, a supplemental 3500a report will be submitted.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's ref.# (b)(4).
Additional Manufacturer Narrative
It was reported that a patient underwent a paroxysmal atrial fibrillation (afib) ablation procedure with a pentaray nav which was not irrigating and used on patient.Device evaluation details: the device was returned to johnson & johnson medtech (j&j medtech) for evaluation.Visual inspection and irrigation test of the returned device were performed following j&j medtech procedures.Visual analysis revealed no damage or anomalies on the device.An irrigation test was performed, and the device was irrigated correctly.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 usage of the device that compromised its performance.The instructions for use contain the following recommendations: flush the catheter with heparinized saline prior to insertion into 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 ref.# pc-(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: 24646840
• Report Number: 2029046-2026-00924
• Device Sequence Number: 9919032
• 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,Followup

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: D128211
• Device Lot Number: 31795845L
• 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: 03/04/2026
• Supplement Date Received by Manufacturer: 04/01/2026; 04/07/2026
• Initial Report FDA Received Date: 03/20/2026
• Supplement Report FDA Received Date: 04/02/2026; 04/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/23/2025
• 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