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

Model Number	4457
Medical Device Problem Codes	Fracture (1260); Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/12/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that this right ventricular (rv) lead had an unknown issue.This lead remains in service.No adverse patient effects were reported.
Event or Problem Description
It was reported that this right ventricular (rv) lead had an unknown issue.This lead remains in service.No adverse patient effects were reported.Additional information received indicates that device had an atrial port plug & fractured lv terminal pin (lv lead programmed off).
Additional Manufacturer Narrative
Revision to the initial mdr in block b5 event description.This supplemental report was created to capture additional information.

• Brand Name: FINELINE II STEROX
• Common Device Name: IMPLANTABLE LEAD
• 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: 24312775
• Report Number: 2124215-2026-07631
• Device Sequence Number: 4875160
• Product Code: DTB
• UDI-Device Identifier: 00802526060915
• UDI-Public: (01)00802526060915(17)110813
• Combination Product (Y/N): Y
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: P960004
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2010
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 06/08/2026

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: 08/13/2011
• Device Model Number: 4457
• Device Catalogue Number: 4457
• Device Lot Number: 639097
• 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: 01/12/2026
• Supplement Date Received by Manufacturer: 02/02/2026; 05/19/2026
• Initial Report FDA Received Date: 02/11/2026
• Supplement Report FDA Received Date: 02/23/2026; 06/08/2026
• Date Device Manufactured: 08/13/2009
• 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: 81 YR
• Patient Sex: Male