MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION LUX-DX? INSERTABLE CARDIAC MONITOR

Model Number	M301
Medical Device Problem Code	Nonstandard Device (1420)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/24/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
This icm was thoroughly inspected and analyzed upon receipt at our post market quality assurance laboratory.Neither visual examination nor x-ray examination of the device identified anomalies.The device case was removed to facilitate inspection and testing of the internal components.The battery was removed and replaced with an external power source.The current drain was measured and found to be normal.The battery was forwarded for detailed analysis.This analysis identified a latent current leakage path within the battery that resulted in the observed premature battery depletion.A review of the device history record (dhr) was performed.The review of the dhr identified that there were no process related non-conformances, scrap, or rework performed during the production that could explain the event.The reviews ensure each device meets specification prior to release for use.There is no indication the device manufacturing process contributed to the reported complaint.Based on a thorough review of the reported complaint, boston scientific has assigned an investigation conclusion code of "cause traced to device design g4: pma/510(k) # field on 3500a form contains an additional code - k210608; reported here as it exceeded character limit for designated field.
Event or Problem Description
It was reported that there were no field allegations made against the performance of this insertable cardiac monitor (icm) device.The device was explanted after being implanted and in-service for approximately 2 years and two months.The device was returned, and device analysis was completed.No adverse patient effects were reported.

• Brand Name: LUX-DX? INSERTABLE CARDIAC MONITOR
• Common Device Name: INSERTABLE CARDIAC MONITOR
• 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 ; 6515826168
• MDR Report Key: 25326511
• Report Number: 2124215-2026-28834
• Device Sequence Number: 9676114
• Product Code: MXD
• UDI-Device Identifier: 00802526607103
• UDI-Public: (01)00802526607103(17)240315
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: K193473
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: User Facility
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/28/2026

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?: No
• Operator of Device: Other
• Device Expiration Date: 03/15/2024
• Device Model Number: M301
• Device Catalogue Number: M301
• Device Lot Number: 162979
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/24/2025
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/08/2026
• Initial Report FDA Received Date: 05/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/05/2022
• 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 Age: 84 YR
• Patient Sex: Female