MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) FORTIFY DR, U1.6 DF1 US; Pulse generator, permanent, implantable

Model Number	CD2231-40
Medical Device Problem Codes	Environmental Compatibility Problem (2929); Inappropriate or Unexpected Reset (2959)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/12/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the patient's implantable cardioverter defibrillator (icd) inappropriately went into backup operation with high voltage therapies disabled due to the patient undergoing a magnetic resonance imaging (mri) procedure.The icd was not mri compatible and was not put into mri mode prior to procedure.Programming changes were made to reset the device.The patient was stable.

• Brand Name: FORTIFY DR, U1.6 DF1 US
• Common Device Name: Pulse generator, permanent, implantable
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 23917111
• Report Number: 2017865-2025-1008335
• Device Sequence Number: 9932687
• Product Code: NVZ
• UDI-Device Identifier: 05414734504379
• UDI-Public: (01)05414734504379(10)S000066279(17)200430
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P910023
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 12/29/2025

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: Health Professional
• Device Expiration Date: 04/30/2020
• Device Model Number: CD2231-40
• Device Catalogue Number: CD2231-40
• Device Lot Number: S000066279
• 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: 12/12/2025
• Initial Report FDA Received Date: 12/29/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/02/2018
• 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 Sex: Unknown