MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION DYNAGEN MINI ICD DR; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)

Model Number	D023
Medical Device Problem Codes	Over-Sensing (1438); Failure to Read Input Signal (1581)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/11/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that this implantable cardioverter defibrillator (icd) exhibited crosstalk oversensing of atrial signals on the right ventricular (rv) channel.Rv automatic gain control (agc) was programmed to 0.9 mv.Upon increasing rv sensitivity to 1 mv, electrograms (egms) were monitored for a few minutes and no crosstalk was observed.Technical services (ts) discussed troubleshooting options, and recommended defibrillation threshold (dft) testing.This icd remains in service.No adverse patient effects were reported.
Additional Manufacturer Narrative
The local area field representative was contacted for additional information regarding event cause and resolution.At this time, no further information is available.Should additional information become available this report will be updated.

• Brand Name: DYNAGEN MINI ICD DR
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)
• 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: 23012431
• Report Number: 2124215-2025-63519
• Device Sequence Number: 9665197
• Product Code: LWS
• UDI-Device Identifier: 00802526533921
• UDI-Public: (01)00802526533921(17)221125
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: P960040
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 09/09/2025

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: 11/25/2022
• Device Model Number: D023
• Device Catalogue Number: D023
• Device Lot Number: 254181
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/11/2025
• Initial Report FDA Received Date: 09/09/2025
• Date Device Manufactured: 01/04/2021
• 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: 70 YR
• Patient Sex: Male