MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ESSENTIO? SR; pacemaker

Model Number	L100
Medical Device Problem Code	Premature Discharge of Battery (1057)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/06/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
This product investigation is still in progress.This report will be updated when product investigation is complete.If pertinent information is provided in the future, a supplemental report will be submitted.
Event or Problem Description
It was reported that this device recorded a code 1003, indicating the voltage is too low for the projected remaining capacity.Data analysis identified potential high impedance within the battery.A device replacement timeline was created.The device will remain implanted and the patient will be monitored at this time.No adverse patient effects were reported.This device remains in service.
Event or Problem Description
It was reported that this device recorded a code 1003, indicating the voltage is too low for the projected remaining capacity.Data analysis identified potential high impedance within the battery.A device replacement timeline was created.The device will remain implanted and the patient will be monitored at this time.No adverse patient effects were reported.This device remains in service additional information was received that this device was explanted and replaced.No additional adverse patient effects were reported.This device is no longer in service.
Additional Manufacturer Narrative
This product investigation is still in progress.This report will be updated when product investigation is complete.If pertinent information is provided in the future, a supplemental report will be submitted.

• Brand Name: ESSENTIO? SR
• Common Device Name: pacemaker
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• Manufacturer (Section G): Boston Scientific Corporation; cashel road; clonmel ; EI
• Manufacturer Contact: timothy degroot ; 4100 hamline avenue north; saint paul, MN 55112 ; +1(651)582-6168
• MDR Report Key: 24910227
• Report Number: 2124215-2026-20883
• Device Sequence Number: 15902681
• Product Code: LWP
• UDI-Device Identifier: 00802526558900
• UDI-Public: (01)00802526558900(17)171127
• Combination Product (Y/N): N
• Initial Reporter State: OK
• Initial Reporter Country: US
• PMA/510(K) Number: N970003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Device Explanted Year: 2026
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Remedial Action: Notification
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 08/07/2026

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: Lay User/Patient
• Device Expiration Date: 11/27/2017
• Device Model Number: L100
• Device Catalogue Number: L100
• Device Lot Number: 708904
• 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: 04/07/2026
• Supplement Date Received by Manufacturer: 05/15/2026; 07/30/2026
• Initial Report FDA Received Date: 04/17/2026
• Supplement Report FDA Received Date: 05/22/2026; 08/07/2026
• Date Device Manufactured: 01/08/2016
• 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; Hospitalization
• Patient Age: 56 YR
• Patient Sex: Female