MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION RESONATE? EL ICD VR; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD)

Model Number	D432
Medical Device Problem Codes	Over-Sensing (1438); Inappropriate/Inadequate Shock/Stimulation (1574)
Health Effect - Clinical Code	Shock from Patient Lead(s) (3162)
Date of Event	03/14/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that this implantable cardioverter defibrillator (icd) exhibited inappropriate shocks due to intermittent t wave oversensing.The health care professional (hcp) called technical services (ts) for programming assistance.Ts provided programming optimization recommendations.At this time, no additional adverse patient effects were reported.This icd remains in service.
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 implantable cardioverter defibrillator (icd) exhibited inappropriate shocks due to intermittent t wave oversensing.The health care professional (hcp) called technical services (ts) for programming assistance.Ts provided programming optimization recommendations.At this time, no additional adverse patient effects were reported.This icd remains in service.Subsequent additional information was received reported that an explant procedure was performed.This icd was explanted successfully.No additional adverse patient effects were reported.This icd was retained by the hospital.
Event or Problem Description
It was reported that this implantable cardioverter defibrillator (icd) exhibited inappropriate shocks due to intermittent t wave oversensing.The health care professional (hcp) called technical services (ts) for programming assistance.Ts provided programming optimization recommendations.At this time, no additional adverse patient effects were reported.This icd remains in service.Subsequent additional information was received reported that an explant procedure was performed.This icd was explanted successfully.No additional adverse patient effects were reported.This icd was retained by the hospital.
Additional Manufacturer Narrative
The correction report is being submitted due to a change in the b2 outcomes attrib to adv event field.This product has not been returned to boston scientific, and as a result, laboratory analysis could not be conducted.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.Review of labeling determined that the complaint situation was listed in the manual.There was no indication in the complaint that the product was not used in accordance with labeling.The manual was unlikely to be the cause of the reported complaint; translation, wording, or graphics does not require further review.A risk review was completed and confirmed that the event of inappropriate shock was defined in the risk documentation.This event type has been accounted for during product risk analysis to support acceptable risk benefit for the product.Based on a thorough review of the reported complaint, boston scientific has assigned an investigation conclusion code of known inherent risk of device.If pertinent information is provided in the future, a supplemental report will be submitted.

• Brand Name: RESONATE? EL ICD VR
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD)
• 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: 24736576
• Report Number: 2124215-2026-17433
• Device Sequence Number: 18452249
• Product Code: LWS
• UDI-Device Identifier: 00802526588044
• UDI-Public: (01)00802526588044(17)221022
• Combination Product (Y/N): N
• Initial Reporter State: NY
• Initial Reporter Country: US
• PMA/510(K) Number: P960040
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• 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?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 10/22/2022
• Device Model Number: D432
• Device Catalogue Number: D432
• Device Lot Number: 275750
• 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: 03/16/2026
• Supplement Date Received by Manufacturer: 04/07/2026; 05/20/2026
• Initial Report FDA Received Date: 03/30/2026
• Supplement Report FDA Received Date: 04/13/2026; 05/28/2026
• Date Device Manufactured: 10/29/2020
• 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: Hospitalization; Other; Required Intervention
• Patient Age: 54 YR
• Patient Sex: Female