MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) ZEPHYR XL DR; PULSE GENERATOR, PERMANENT, IMPLANTABLE

Model Number	5826
Medical Device Problem Codes	Failure to Interrogate (1332); Unexpected Mode Switch (4076)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/06/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient presented for a follow-up in clinic.Upon interrogation, it was noted that the pacemaker exhibited a backup vvi mode and unable to be interrogated.No intervention was performed.The patient was in stable condition.
Event or Problem Description
New information received indicates that the pacemaker was explanted and replaced.The patient was stable post-procedure.

• Brand Name: ZEPHYR XL DR
• Common Device Name: PULSE GENERATOR, PERMANENT, IMPLANTABLE
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 23306891
• Report Number: 2017865-2025-1002766
• Device Sequence Number: 5827142
• Product Code: NVZ
• UDI-Device Identifier: 05414734501620
• UDI-Public: (01)05414734501620(10)3371511(17)121031
• Combination Product (Y/N): N
• Initial Reporter Country: CA
• PMA/510(K) Number: P880086
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2011
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Nurse
• Type of Report: Initial,Followup
• Report Date (Section B): 10/29/2025

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?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 10/31/2012
• Device Model Number: 5826
• Device Lot Number: 3371511
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/06/2025
• Supplement Date Received by Manufacturer: 10/27/2025
• Initial Report FDA Received Date: 10/15/2025
• Supplement Report FDA Received Date: 10/29/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/07/2011
• 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 Sex: Unknown