MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ENDOTAK RELIANCE; IMPLANTABLE LEAD

Model Number	0276
Medical Device Problem Codes	Signal Artifact/Noise (1036); Failure to Capture (1081); High impedance (1291); Over-Sensing (1438); High Capture Threshold (3266)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/19/2024
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that this right ventricular (rv) lead exhibited loss of capture (loc) at max capture output.Additionally, the lead exhibited high within range pacing impedance.Technical services (ts) reviewed the reports and noted that the impedance started to slowly increase for approximately seven months.Ts provided a potential cause and advised they could continue to monitor the issue, but ultimately it was physician discretion.The lead remains in use.No adverse patient effects were reported.
Event or Problem Description
It was reported that this right ventricular (rv) lead exhibited loss of capture (loc) at max capture output.Additionally, the lead exhibited high within range pacing impedance.Technical services (ts) reviewed the reports and noted that the impedance started to slowly increase for approximately seven months.Ts provided a potential cause and advised they could continue to monitor the issue, but ultimately it was physician discretion.The lead remains in use.No adverse patient effects were reported.Additional information received indicates that this lead reached high out of range shock impedance.Additionally, the lead exhibited oversensing of noisy signals.Ts suggested following actions.The lead remains in use.No adverse patient effects were reported.

• Brand Name: ENDOTAK RELIANCE
• 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 55112-5798 ; 6515826168
• MDR Report Key: 19033538
• Report Number: 2124215-2024-20266
• Device Sequence Number: 20863232
• Product Code: NVY
• UDI-Device Identifier: 00802526531231
• UDI-Public: 00802526531231
• Combination Product (Y/N): Y
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: P910073/S077
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 02/13/2026

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: 04/21/2022
• Device Model Number: 0276
• Device Catalogue Number: 0276
• Device Lot Number: 424502
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 03/19/2024
• Supplement Date Received by Manufacturer: 02/12/2026
• Initial Report FDA Received Date: 04/03/2024
• Supplement Report FDA Received Date: 02/13/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 04/21/2020
• 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: 45 YR
• Patient Sex: Unknown