MAUDE Adverse Event Report: Abbott Medical (CRM-Sylmar) 2525T MICRONY II, SR+, PKGD/STER; Pulse-Generator, Single Chamber, Sensor Driven, Implantable

Model Number	2525T
Medical Device Problem Codes	Premature Discharge of Battery (1057); Battery Problem (2885)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/15/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
During an in-clinic follow-up, an increase in battery impedance was observed on the device.Premature battery depletion was suspected but not confirmed.A revision procedure was performed.The device was explanted to resolve the event.The patient is stable with no consequences.Further information has been requested.

• Brand Name: 2525T MICRONY II, SR+, PKGD/STER
• Common Device Name: Pulse-Generator, Single Chamber, Sensor Driven, Implantable
• Manufacturer (Section D): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 50903232
• Report Number: 2017865-2026-20399
• Device Sequence Number: 16130487
• Product Code: LWO
• UDI-Device Identifier: 05414734006224
• UDI-Public: (01)05414734006224(10)4874589(17)161130
• 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: 2016
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/25/2026

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: 11/30/2016
• Device Model Number: 2525T
• Device Lot Number: 4874589
• 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: 09/15/2026
• Initial Report FDA Received Date: 09/25/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/04/2014
• 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