MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ACCOLADE? SR; Pacemaker

Model Number	L300
Medical Device Problem Codes	Signal Artifact/Noise (1036); Premature Discharge of Battery (1057); High impedance (1291); Over-Sensing (1438)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/20/2026
Type of Reportable Event	Malfunction
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.A request was made to have data from this device analyzed.Data analysis identified potential high impedance within the battery.Continued monitoring was recommended.The device still remains in service.No adverse patient effects were reported.
Additional Manufacturer Narrative
This product investigation is still in progress.This report will be updated when product investigation is complete.

• Brand Name: ACCOLADE? 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: mark mischke ; 4100 hamline avenue north; saint paul, MN 55112 ; +1(612)875-7234
• MDR Report Key: 25073473
• Report Number: 2124215-2026-24056
• Device Sequence Number: 10357763
• Product Code: LWP
• UDI-Device Identifier: 00802526559150
• UDI-Public: (01)00802526559150(17)200719
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: N970003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• 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): 09/08/2026

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: Lay User/Patient
• Device Expiration Date: 07/19/2020
• Device Model Number: L300
• Device Catalogue Number: L300
• Device Lot Number: 723118
• 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: 04/22/2026
• Supplement Date Received by Manufacturer: 06/09/2026; 09/08/2026
• Initial Report FDA Received Date: 05/04/2026
• Supplement Report FDA Received Date: 06/17/2026; 09/08/2026
• Date Device Manufactured: 08/17/2018
• 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
• Patient Age: 73 YR
• Patient Sex: Female