MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION FLEXTEND; Implantable lead

Model Number	4087
Medical Device Problem Codes	Signal Artifact/Noise (1036); Low impedance (2285); Material Integrity Problem (2978)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/05/2025
Type of Reportable Event	Malfunction
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 right atrial (ra) lead exhibited low out-of-range right atrial lead impedances, with the first low impedance detected shortly after implantation.The current device also reported an out-of-range atrial pacing lead impedance.Findings were consistent with an atrial lead insulation breach associated with noise on the ra lead.The lead remains in service.No adverse patient effects were reported.

• Brand Name: FLEXTEND
• 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; PR 00646-2602
• Manufacturer Contact: mark mischke ; 4100 hamline avenue north; saint paul, MN 55112 ; +1(612)875-7234
• MDR Report Key: 25728117
• Report Number: 2124215-2026-36180
• Device Sequence Number: 18744926
• Product Code: DTB
• UDI-Device Identifier: 00802526397738
• UDI-Public: (01)00802526397738(17)151112
• Combination Product (Y/N): Y
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: P960006
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 09/09/2026

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: 11/12/2015
• Device Model Number: 4087
• Device Catalogue Number: 4087
• Device Lot Number: 307389
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/12/2026
• Supplement Date Received by Manufacturer: 09/07/2026
• Initial Report FDA Received Date: 07/06/2026
• Supplement Report FDA Received Date: 09/09/2026
• Date Device Manufactured: 11/12/2013
• 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: 71 YR
• Patient Sex: Male