MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ENDOTAK RELIANCE G; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)

Model Number	0175
Medical Device Problem Codes	Failure to Capture (1081); Insufficient Device Problem Information (3190); High Capture Threshold (3266)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/18/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that this right ventricular (rv) lead was surgically abandoned and replaced due to a product performance issue.Other than the surgical procedure, no additional adverse patient effects were reported.
Additional Manufacturer Narrative
If additional pertinent information is provided in the future, a supplemental report will be issued.
Event or Problem Description
It was reported that this right ventricular (rv) lead was surgically abandoned and replaced due to a product performance issue.Other than the surgical procedure, no additional adverse patient effects were reported.Additional information was received that this rv lead was replaced due to exhibiting high captures thresholds and no capture at maximum output.Other than the surgical procedure, no additional adverse patient effects were reported.
Additional Manufacturer Narrative
If additional pertinent information is provided in the future, a supplemental report will be issued.

• Brand Name: ENDOTAK RELIANCE G
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)
• 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: 24045373
• Report Number: 2124215-2026-01930
• Device Sequence Number: 9058501
• Product Code: LWS
• UDI-Device Identifier: 00802526373732
• UDI-Public: (01)00802526373732(17)090904
• Combination Product (Y/N): Y
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: P910073
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2007
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 01/14/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 09/04/2009
• Device Model Number: 0175
• Device Catalogue Number: 0175
• 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: 12/18/2025
• Supplement Date Received by Manufacturer: 01/12/2026
• Initial Report FDA Received Date: 01/12/2026
• Supplement Report FDA Received Date: 01/14/2026
• Date Device Manufactured: 09/04/2007
• 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
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 75 YR
• Patient Sex: Male