MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION FINELINE II EZ STEROX; IMPLANTABLE LEAD

Model Number	4473
Medical Device Problem Codes	Difficult to Remove (1528); Defective Device (2588); Material Integrity Problem (2978)
Health Effect - Clinical Code	Foreign Body In Patient (2687)
Date of Event	08/21/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that this right atrial (ra) lead was attempted to be removed due to the extraction of the older non-boston scientific right ventricular (rv) lead.The ra lead was broken during extraction attempted and it was surgically abandoned.The non-bsc rv lead was abandoned as well.The physician then successfully implanted two new leads while using the current pacemaker.No additional adverse patient effects were reported.
Event or Problem Description
It was reported that this right atrial (ra) lead was attempted to be removed due to the extraction of the older non-boston scientific right ventricular (rv) lead.The ra lead was broken during extraction attempted and it was surgically abandoned.The non-bsc rv lead was abandoned as well.The physician then successfully implanted two new leads while using the current pacemaker.No additional adverse patient effects were reported.
Additional Manufacturer Narrative
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 difficult to remove 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.Review of labeling determined implant instructions were adequate.The manual was unlikely to be the cause of the reported complaint.The device was not returned for analysis; therefore, a technical analysis could not be performed.Based on a thorough review of the reported complaint, boston scientific has assigned an investigation conclusion code of known inherent risk of device.

• Brand Name: FINELINE II EZ STEROX
• Common Device Name: IMPLANTABLE LEAD
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• Manufacturer (Section G): CPI - DEL CARIBE; guidant puerto rico b. v.; #12, rd. #698; dorado PR 00646
• Manufacturer Contact: timothy degroot ; 4100 hamline avenue north; saint paul, MN 55112 ; 6515826168
• MDR Report Key: 23019942
• Report Number: 2124215-2025-63734
• Device Sequence Number: 9741255
• Product Code: DTB
• UDI-Device Identifier: 00802526265020
• UDI-Public: (01)00802526265020(17)040602
• Combination Product (Y/N): Y
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: P960004
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2002
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/16/2026

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: 06/02/2004
• Device Model Number: 4473
• Device Catalogue Number: 4473
• 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: 08/21/2025
• Supplement Date Received by Manufacturer: 04/15/2026
• Initial Report FDA Received Date: 09/10/2025
• Supplement Report FDA Received Date: 04/16/2026
• Date Device Manufactured: 06/02/2002
• 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: Required Intervention; Hospitalization
• Patient Age: 48 YR
• Patient Sex: Male