MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ENDOTAK RELIANCE SG; Implantable Lead

Model Number	0292
Medical Device Problem Code	High impedance (1291)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that this right ventricular (rv) lead recorded high out of range shock impedance measurements.Current shock impedance measurements were reported in the 130-ohm range, while the alert threshold was programmed at 150 ohms.Technical services (ts) reviewed the data and historical device data review indicated that shock impedance measurements from approximately two years prior were between 85 and 90 ohms.Continued monitoring was recommended.No adverse patient effects were reported.This rv lead remains in service.

• Brand Name: ENDOTAK RELIANCE SG
• 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: 50725375
• Report Number: 2124215-2026-48651
• Device Sequence Number: 10575483
• Product Code: NVY
• UDI-Device Identifier: 00802526531248
• UDI-Public: (01)00802526531248(17)160428
• Combination Product (Y/N): Y
• Initial Reporter State: PA
• Initial Reporter Country: US
• PMA/510(K) Number: P910073
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/10/2026

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: 04/28/2016
• Device Model Number: 0292
• Device Catalogue Number: 0292
• Device Lot Number: 306988
• 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: 08/28/2026
• Initial Report FDA Received Date: 09/11/2026
• Date Device Manufactured: 04/28/2014
• 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: 77 YR
• Patient Sex: Female