MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION INOGEN? X4 CRT-D; CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR

Model Number	G146
Medical Device Problem Code	Interrogation Problem (4017)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/11/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that this cardiac resynchronization therapy defibrillator (crt-d) was not able to be interrogated with a consult unit.Subsequently this device was explanted and successfully replaced.No additional adverse patient effects were reported.

• Brand Name: INOGEN? X4 CRT-D
• Common Device Name: CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; cashel road; clonmel ; EI
• Manufacturer Contact: timothy degroot ; 4100 hamline avenue north; saint paul, MN 55112 ; 6515826168
• MDR Report Key: 24140801
• Report Number: 2124215-2026-03972
• Device Sequence Number: 21207837
• Product Code: NIK
• UDI-Device Identifier: 00802526534577
• UDI-Public: (01)00802526534577(17)170929
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: P010012
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2025
• 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): 01/21/2026

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: 09/29/2017
• Device Model Number: G146
• Device Catalogue Number: G146
• Device Lot Number: 371417
• 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: 12/11/2025
• Initial Report FDA Received Date: 01/21/2026
• Date Device Manufactured: 09/29/2015
• 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: Hospitalization; Required Intervention
• Patient Age: 78 YR
• Patient Sex: Male