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	03/20/2026
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.
Event or Problem Description
It was reported that this device recorded a code 1003, which states that the voltage is too low for projected remaining capacity.It was reported that a request was made to have data from this device analyzed.Data analysis identified potential high impedance within the battery.Device replacement was recommended.This device was explanted and returned for analysis.No adverse patient effects were reported.

• 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: 24831781
• Report Number: 2124215-2026-19359
• Device Sequence Number: 13053500
• Product Code: LWP
• UDI-Device Identifier: 00802526558900
• UDI-Public: (01)00802526558900(17)190504
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: N970003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• 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
• Report Date (Section B): 08/17/2026

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: 05/04/2019
• Device Model Number: L100
• Device Catalogue Number: L100
• Device Lot Number: 717530
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 04/08/2026
• 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: 03/23/2026
• Supplement Date Received by Manufacturer: 08/06/2026
• Initial Report FDA Received Date: 04/09/2026
• Supplement Report FDA Received Date: 08/17/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/21/2017
• 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
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: 2124215-03/18/26-001-C
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 86 YR
• Patient Sex: Female