MAUDE Adverse Event Report: Abbott Medical (CRM-Sylmar) Fortify Assura DR ICD, US; Pulse Generator, Permanent, Implantable

Model Number	CD2357-40C
Medical Device Problem Codes	Incorrect Interpretation of Signal (1543); Inappropriate/Inadequate Shock/Stimulation (1574); Under-Sensing (1661)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/25/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the device delivered an inappropriate therapy due to incorrect interpretation of signal caused by intermittent atrial undersensing.No intervention was performed, and no patient symptoms were reported.

• Brand Name: Fortify Assura DR ICD, US
• Common Device Name: Pulse Generator, Permanent, Implantable
• Manufacturer (Section D): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 50790187
• Report Number: 2017865-2026-19643
• Device Sequence Number: 21186171
• Product Code: NVZ
• UDI-Device Identifier: 05414734508063
• UDI-Public: (01)05414734508063(10)A000121749(17)240229
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: P910023
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/16/2026

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: Health Professional
• Device Expiration Date: 02/29/2024
• Device Model Number: CD2357-40C
• Device Catalogue Number: CD2357-40C
• Device Lot Number: A000121749
• 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: 08/26/2026
• Initial Report FDA Received Date: 09/16/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 02/24/2022
• 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: Riata.; Tendril.
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Male