MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) GALLANT¿ DR; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)

Model Number	CDDRA500T
Medical Device Problem Code	Under-Sensing (1661)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the implantable cardioverter defibrillator (icd) exhibited under-sensing.No intervention was reported.The patient condition was unknown.
Event or Problem Description
New information received noted that programming changes were performed to resolve the issue.There were no patient consequences noted.

• Brand Name: GALLANT¿ DR
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)
• 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: 24569402
• Report Number: 2017865-2026-05058
• Device Sequence Number: 9507791
• Product Code: LWS
• UDI-Device Identifier: 05415067049476
• UDI-Public: (01)05415067049476(10)A000170110(17)270131
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: P910023
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: User Facility
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 03/24/2026

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: Health Professional
• Device Model Number: CDDRA500T
• Device Catalogue Number: CDDRA500T
• Device Lot Number: A000170110
• 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: 02/19/2026
• Supplement Date Received by Manufacturer: 03/19/2026
• Initial Report FDA Received Date: 03/11/2026
• Supplement Report FDA Received Date: 03/24/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 02/21/2025
• 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
• Concomitant Medical Products and Therapy/Usage Dates: LEFT VENTRICULAR ASSIST DEVICE (LVAD).; OPTISENSE.; RIATA.
• Patient Age: 62 YR
• Patient Sex: Male