MAUDE Adverse Event Report: ABBOTT 2525T MICRONY II, SR+, PKGD/STER; PULSE-GENERATOR, SINGLE CHAMBER, SENSOR DRIVEN, IMPLANTABLE

Model Number	2525T
Medical Device Problem Code	No Pacing (3268)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/17/2025
Type of Reportable Event	Malfunction
Event or Problem Description
During an initial implant procedure, the device was not pacing the patient.The device was explanted, and a new device was used to resolve the event.The patient was stable.
Additional Manufacturer Narrative
Reported event of no pacing was not confirmed.The device battery voltage was above elective replacement indicator (eri) level upon receipt.Analysis performed, including output verification and inspection of header and connectors indicated normal device characteristics without any anomalies that can contribute to reported pacing problem.Longevity assessment was performed, and device was in the normal range of operation with appropriate remaining longevity.

• Brand Name: 2525T MICRONY II, SR+, PKGD/STER
• Common Device Name: PULSE-GENERATOR, SINGLE CHAMBER, SENSOR DRIVEN, IMPLANTABLE
• Manufacturer (Section D): ABBOTT; 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): ABBOTT; 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 23693743
• Report Number: 2017865-2025-1006362
• Device Sequence Number: 10288240
• Product Code: LWO
• UDI-Device Identifier: 05414734006224
• UDI-Public: (01)05414734006224(10)P000205667(17)260731
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: P970013
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 02/23/2026

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 Expiration Date: 07/31/2026
• Device Model Number: 2525T
• Device Lot Number: P000205667
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• 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: 11/17/2025
• Supplement Date Received by Manufacturer: 02/20/2026
• Initial Report FDA Received Date: 12/02/2025
• Supplement Report FDA Received Date: 02/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/11/2024
• 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
• Patient Sex: Unknown