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

Model Number	4479
Medical Device Problem Codes	Signal Artifact/Noise (1036); High impedance (1291)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/17/2019
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that this right atrial (ra) lead exhibited high out of range pace impedance measurements of greater than 3000 ohms and non-physiologic noise.Lead fracture was suspected; however, this was not confirmed.This lead remains in service.No adverse patient effects were reported.
Additional Manufacturer Narrative
A good faith effort was made to retrieve additional information regarding resolution.If information is provided in the future, a supplemental report will be issued.

• 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): 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: 22440537
• Report Number: 2124215-2025-45457
• Device Sequence Number: 17320541
• Product Code: DTB
• UDI-Device Identifier: 00802526061936
• UDI-Public: (01)00802526061936(17)050410
• Combination Product (Y/N): Y
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: P960004
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2003
• 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): 07/08/2025

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: 04/10/2005
• Device Model Number: 4479
• Device Catalogue Number: 4479
• 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: 07/01/2025
• Initial Report FDA Received Date: 07/08/2025
• Date Device Manufactured: 04/10/2003
• 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: 62 YR
• Patient Sex: Male