MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION EASYTRAK 2 IS-1; DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER, WITH CRT-D

Model Number	4543
Medical Device Problem Codes	Material Integrity Problem (2978); Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/03/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that this left ventricular (lv) lead was surgically abandoned due to unknown product performance anomaly.Subsequently, it was replaced with a different model lead.No additional adverse patient effects were reported.
Event or Problem Description
It was reported that this left ventricular (lv) lead was surgically abandoned due to unknown product performance anomaly.Subsequently, it was replaced with a different model lead.No additional adverse patient effects were reported.Additional information indicated that this lv lead insulation was compromised, then it was replaced with a different model lead.No additional adverse patient effects were reported.
Additional Manufacturer Narrative
This left ventricular (lv) lead was surgically abandoned and will not return for analysis; therefore, a technical analysis could not be performed.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.A risk review was completed and confirmed that the event of damaged/defective 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.
Event or Problem Description
It was reported that this left ventricular (lv) lead was surgically abandoned due to unknown product performance anomaly.Subsequently, it was replaced with a different model lead.No additional adverse patient effects were reported.Additional information indicated that this lv lead insulation was compromised, then it was replaced with a different model lead.No additional adverse patient effects were reported.

• Brand Name: EASYTRAK 2 IS-1
• Common Device Name: DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER, WITH CRT-D
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; road 698, lot no. 12; dorado PR 00646 -260; * 00646-2602
• Manufacturer Contact: timothy degroot ; 4100 hamline avenue north; saint paul, MN 55112 ; 6515826168
• MDR Report Key: 23647204
• Report Number: 2124215-2025-86509
• Device Sequence Number: 9961774
• Product Code: NIK
• UDI-Device Identifier: 00802526579813
• UDI-Public: (01)00802526579813(17)170221
• Combination Product (Y/N): Y
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: P010012
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 03/26/2026

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: 02/21/2017
• Device Model Number: 4543
• Device Catalogue Number: 4543
• Device Lot Number: 192013
• 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: 11/03/2025
• Supplement Date Received by Manufacturer: 12/01/2025; 03/06/2026
• Initial Report FDA Received Date: 11/25/2025
• Supplement Report FDA Received Date: 12/22/2025; 03/30/2026
• Date Device Manufactured: 02/21/2015
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 85 YR
• Patient Sex: Male